diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/entry_points_gles_2_0.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/entry_points_gles_2_0.cpp | 4318 |
1 files changed, 4318 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/entry_points_gles_2_0.cpp b/src/3rdparty/angle/src/libGLESv2/entry_points_gles_2_0.cpp new file mode 100644 index 0000000000..6d3089ba4f --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/entry_points_gles_2_0.cpp @@ -0,0 +1,4318 @@ +// +// Copyright(c) 2014 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// entry_points_gles_2_0.cpp : Implements the GLES 2.0 entry points. + +#include "libGLESv2/entry_points_gles_2_0.h" +#include "libGLESv2/global_state.h" + +#include "libANGLE/formatutils.h" +#include "libANGLE/Buffer.h" +#include "libANGLE/Compiler.h" +#include "libANGLE/Context.h" +#include "libANGLE/Error.h" +#include "libANGLE/Framebuffer.h" +#include "libANGLE/Renderbuffer.h" +#include "libANGLE/Shader.h" +#include "libANGLE/Program.h" +#include "libANGLE/Texture.h" +#include "libANGLE/VertexArray.h" +#include "libANGLE/VertexAttribute.h" +#include "libANGLE/FramebufferAttachment.h" + +#include "libANGLE/validationES.h" +#include "libANGLE/validationES2.h" +#include "libANGLE/validationES3.h" +#include "libANGLE/queryconversions.h" + +#include "common/debug.h" +#include "common/utilities.h" +#include "common/version.h" + +namespace gl +{ + +void GL_APIENTRY ActiveTexture(GLenum texture) +{ + EVENT("(GLenum texture = 0x%X)", texture); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + context->getCaps().maxCombinedTextureImageUnits - 1) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->getState().setActiveSampler(texture - GL_TEXTURE0); + } +} + +void GL_APIENTRY AttachShader(GLuint program, GLuint shader) +{ + EVENT("(GLuint program = %d, GLuint shader = %d)", program, shader); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + Shader *shaderObject = context->getShader(shader); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (!programObject->attachShader(shaderObject)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } +} + +void GL_APIENTRY BindAttribLocation(GLuint program, GLuint index, const GLchar* name) +{ + EVENT("(GLuint program = %d, GLuint index = %d, const GLchar* name = 0x%0.8p)", program, index, name); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (strncmp(name, "gl_", 3) == 0) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + programObject->bindAttributeLocation(index, name); + } +} + +void GL_APIENTRY BindBuffer(GLenum target, GLuint buffer) +{ + EVENT("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidBufferTarget(context, target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (target) + { + case GL_ARRAY_BUFFER: + context->bindArrayBuffer(buffer); + return; + case GL_ELEMENT_ARRAY_BUFFER: + context->bindElementArrayBuffer(buffer); + return; + case GL_COPY_READ_BUFFER: + context->bindCopyReadBuffer(buffer); + return; + case GL_COPY_WRITE_BUFFER: + context->bindCopyWriteBuffer(buffer); + return; + case GL_PIXEL_PACK_BUFFER: + context->bindPixelPackBuffer(buffer); + return; + case GL_PIXEL_UNPACK_BUFFER: + context->bindPixelUnpackBuffer(buffer); + return; + case GL_UNIFORM_BUFFER: + context->bindGenericUniformBuffer(buffer); + return; + case GL_TRANSFORM_FEEDBACK_BUFFER: + context->bindGenericTransformFeedbackBuffer(buffer); + return; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY BindFramebuffer(GLenum target, GLuint framebuffer) +{ + EVENT("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidFramebufferTarget(target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (target == GL_READ_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) + { + context->bindReadFramebuffer(framebuffer); + } + + if (target == GL_DRAW_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) + { + context->bindDrawFramebuffer(framebuffer); + } + } +} + +void GL_APIENTRY BindRenderbuffer(GLenum target, GLuint renderbuffer) +{ + EVENT("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (target != GL_RENDERBUFFER) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->bindRenderbuffer(renderbuffer); + } +} + +void GL_APIENTRY BindTexture(GLenum target, GLuint texture) +{ + EVENT("(GLenum target = 0x%X, GLuint texture = %d)", target, texture); + + Context *context = GetValidGlobalContext(); + if (context) + { + Texture *textureObject = context->getTexture(texture); + + if (textureObject && textureObject->getTarget() != target && texture != 0) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + switch (target) + { + case GL_TEXTURE_2D: + case GL_TEXTURE_CUBE_MAP: + break; + + case GL_TEXTURE_3D: + case GL_TEXTURE_2D_ARRAY: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->bindTexture(target, texture); + } +} + +void GL_APIENTRY BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + EVENT("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", + red, green, blue, alpha); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setBlendColor(clamp01(red), clamp01(green), clamp01(blue), clamp01(alpha)); + } +} + +void GL_APIENTRY BlendEquation(GLenum mode) +{ + BlendEquationSeparate(mode, mode); +} + +void GL_APIENTRY BlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) +{ + EVENT("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (modeRGB) + { + case GL_FUNC_ADD: + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + case GL_MIN: + case GL_MAX: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (modeAlpha) + { + case GL_FUNC_ADD: + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + case GL_MIN: + case GL_MAX: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->getState().setBlendEquation(modeRGB, modeAlpha); + } +} + +void GL_APIENTRY BlendFunc(GLenum sfactor, GLenum dfactor) +{ + BlendFuncSeparate(sfactor, dfactor, sfactor, dfactor); +} + +void GL_APIENTRY BlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) +{ + EVENT("(GLenum srcRGB = 0x%X, GLenum dstRGB = 0x%X, GLenum srcAlpha = 0x%X, GLenum dstAlpha = 0x%X)", + srcRGB, dstRGB, srcAlpha, dstAlpha); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (srcRGB) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + case GL_SRC_ALPHA_SATURATE: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (dstRGB) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + + case GL_SRC_ALPHA_SATURATE: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (srcAlpha) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + case GL_SRC_ALPHA_SATURATE: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (dstAlpha) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + + case GL_SRC_ALPHA_SATURATE: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + bool constantColorUsed = (srcRGB == GL_CONSTANT_COLOR || srcRGB == GL_ONE_MINUS_CONSTANT_COLOR || + dstRGB == GL_CONSTANT_COLOR || dstRGB == GL_ONE_MINUS_CONSTANT_COLOR); + + bool constantAlphaUsed = (srcRGB == GL_CONSTANT_ALPHA || srcRGB == GL_ONE_MINUS_CONSTANT_ALPHA || + dstRGB == GL_CONSTANT_ALPHA || dstRGB == GL_ONE_MINUS_CONSTANT_ALPHA); + + if (constantColorUsed && constantAlphaUsed) + { + ERR("Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR invalid under WebGL"); + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + context->getState().setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha); + } +} + +void GL_APIENTRY BufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) +{ + EVENT("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p, GLenum usage = %d)", + target, size, data, usage); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (size < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + switch (usage) + { + case GL_STREAM_DRAW: + case GL_STATIC_DRAW: + case GL_DYNAMIC_DRAW: + break; + + case GL_STREAM_READ: + case GL_STREAM_COPY: + case GL_STATIC_READ: + case GL_STATIC_COPY: + case GL_DYNAMIC_READ: + case GL_DYNAMIC_COPY: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (!ValidBufferTarget(context, target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + Buffer *buffer = context->getState().getTargetBuffer(target); + + if (!buffer) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + Error error = buffer->bufferData(data, size, usage); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data) +{ + EVENT("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p)", + target, offset, size, data); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (size < 0 || offset < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (data == NULL) + { + return; + } + + if (!ValidBufferTarget(context, target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + Buffer *buffer = context->getState().getTargetBuffer(target); + + if (!buffer) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + if (buffer->isMapped()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + // Check for possible overflow of size + offset + if (!rx::IsUnsignedAdditionSafe<size_t>(size, offset)) + { + context->recordError(Error(GL_OUT_OF_MEMORY)); + return; + } + + if (size + offset > buffer->getSize()) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Error error = buffer->bufferSubData(data, size, offset); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +GLenum GL_APIENTRY CheckFramebufferStatus(GLenum target) +{ + EVENT("(GLenum target = 0x%X)", target); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidFramebufferTarget(target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return 0; + } + + Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); + ASSERT(framebuffer); + + return framebuffer->checkStatus(context->getData()); + } + + return 0; +} + +void GL_APIENTRY Clear(GLbitfield mask) +{ + EVENT("(GLbitfield mask = 0x%X)", mask); + + Context *context = GetValidGlobalContext(); + if (context) + { + Framebuffer *framebufferObject = context->getState().getDrawFramebuffer(); + ASSERT(framebufferObject); + + if (framebufferObject->checkStatus(context->getData()) != GL_FRAMEBUFFER_COMPLETE) + { + context->recordError(Error(GL_INVALID_FRAMEBUFFER_OPERATION)); + return; + } + + if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Error error = framebufferObject->clear(context->getData(), mask); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY ClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + EVENT("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", + red, green, blue, alpha); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setColorClearValue(red, green, blue, alpha); + } +} + +void GL_APIENTRY ClearDepthf(GLclampf depth) +{ + EVENT("(GLclampf depth = %f)", depth); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setDepthClearValue(depth); + } +} + +void GL_APIENTRY ClearStencil(GLint s) +{ + EVENT("(GLint s = %d)", s); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setStencilClearValue(s); + } +} + +void GL_APIENTRY ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) +{ + EVENT("(GLboolean red = %d, GLboolean green = %u, GLboolean blue = %u, GLboolean alpha = %u)", + red, green, blue, alpha); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE); + } +} + +void GL_APIENTRY CompileShader(GLuint shader) +{ + EVENT("(GLuint shader = %d)", shader); + + Context *context = GetValidGlobalContext(); + if (context) + { + Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + shaderObject->compile(context->getCompiler()); + } +} + +void GL_APIENTRY CompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, + GLint border, GLsizei imageSize, const GLvoid* data) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, " + "GLsizei height = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", + target, level, internalformat, width, height, border, imageSize, data); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2TexImageParameters(context, target, level, internalformat, true, false, + 0, 0, width, height, border, GL_NONE, GL_NONE, data)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3TexImageParameters(context, target, level, internalformat, true, false, + 0, 0, 0, width, height, 1, border, GL_NONE, GL_NONE, data)) + { + return; + } + + const InternalFormat &formatInfo = GetInternalFormatInfo(internalformat); + if (imageSize < 0 || static_cast<GLuint>(imageSize) != formatInfo.computeBlockSize(GL_UNSIGNED_BYTE, width, height)) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Extents size(width, height, 1); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->setCompressedImage(target, level, internalformat, size, context->getState().getUnpackState(), + reinterpret_cast<const uint8_t *>(data)); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, const GLvoid* data) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, " + "GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", + target, level, xoffset, yoffset, width, height, format, imageSize, data); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2TexImageParameters(context, target, level, GL_NONE, true, true, + xoffset, yoffset, width, height, 0, GL_NONE, GL_NONE, data)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3TexImageParameters(context, target, level, GL_NONE, true, true, + xoffset, yoffset, 0, width, height, 1, 0, GL_NONE, GL_NONE, data)) + { + return; + } + + const InternalFormat &formatInfo = GetInternalFormatInfo(format); + if (imageSize < 0 || static_cast<GLuint>(imageSize) != formatInfo.computeBlockSize(GL_UNSIGNED_BYTE, width, height)) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + + Box area(xoffset, yoffset, 0, width, height, 1); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->setCompressedSubImage(target, level, area, format, context->getState().getUnpackState(), + reinterpret_cast<const uint8_t *>(data)); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, " + "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, GLint border = %d)", + target, level, internalformat, x, y, width, height, border); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2CopyTexImageParameters(context, target, level, internalformat, false, + 0, 0, x, y, width, height, border)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3CopyTexImageParameters(context, target, level, internalformat, false, + 0, 0, 0, x, y, width, height, border)) + { + return; + } + + Rectangle sourceArea(x, y, width, height); + + const Framebuffer *framebuffer = context->getState().getReadFramebuffer(); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->copyImage(target, level, sourceArea, internalformat, framebuffer); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", + target, level, xoffset, yoffset, x, y, width, height); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2CopyTexImageParameters(context, target, level, GL_NONE, true, + xoffset, yoffset, x, y, width, height, 0)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3CopyTexImageParameters(context, target, level, GL_NONE, true, + xoffset, yoffset, 0, x, y, width, height, 0)) + { + return; + } + + Offset destOffset(xoffset, yoffset, 0); + Rectangle sourceArea(x, y, width, height); + + const Framebuffer *framebuffer = context->getState().getReadFramebuffer(); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->copySubImage(target, level, destOffset, sourceArea, framebuffer); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +GLuint GL_APIENTRY CreateProgram(void) +{ + EVENT("()"); + + Context *context = GetValidGlobalContext(); + if (context) + { + return context->createProgram(); + } + + return 0; +} + +GLuint GL_APIENTRY CreateShader(GLenum type) +{ + EVENT("(GLenum type = 0x%X)", type); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (type) + { + case GL_FRAGMENT_SHADER: + case GL_VERTEX_SHADER: + return context->createShader(type); + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return 0; + } + } + + return 0; +} + +void GL_APIENTRY CullFace(GLenum mode) +{ + EVENT("(GLenum mode = 0x%X)", mode); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (mode) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->getState().setCullMode(mode); + } +} + +void GL_APIENTRY DeleteBuffers(GLsizei n, const GLuint* buffers) +{ + EVENT("(GLsizei n = %d, const GLuint* buffers = 0x%0.8p)", n, buffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + context->deleteBuffer(buffers[i]); + } + } +} + +void GL_APIENTRY DeleteFramebuffers(GLsizei n, const GLuint* framebuffers) +{ + EVENT("(GLsizei n = %d, const GLuint* framebuffers = 0x%0.8p)", n, framebuffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + if (framebuffers[i] != 0) + { + context->deleteFramebuffer(framebuffers[i]); + } + } + } +} + +void GL_APIENTRY DeleteProgram(GLuint program) +{ + EVENT("(GLuint program = %d)", program); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (program == 0) + { + return; + } + + if (!context->getProgram(program)) + { + if(context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + context->deleteProgram(program); + } +} + +void GL_APIENTRY DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers) +{ + EVENT("(GLsizei n = %d, const GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + context->deleteRenderbuffer(renderbuffers[i]); + } + } +} + +void GL_APIENTRY DeleteShader(GLuint shader) +{ + EVENT("(GLuint shader = %d)", shader); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (shader == 0) + { + return; + } + + if (!context->getShader(shader)) + { + if(context->getProgram(shader)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + context->deleteShader(shader); + } +} + +void GL_APIENTRY DeleteTextures(GLsizei n, const GLuint* textures) +{ + EVENT("(GLsizei n = %d, const GLuint* textures = 0x%0.8p)", n, textures); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + if (textures[i] != 0) + { + context->deleteTexture(textures[i]); + } + } + } +} + +void GL_APIENTRY DepthFunc(GLenum func) +{ + EVENT("(GLenum func = 0x%X)", func); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (func) + { + case GL_NEVER: + case GL_ALWAYS: + case GL_LESS: + case GL_LEQUAL: + case GL_EQUAL: + case GL_GREATER: + case GL_GEQUAL: + case GL_NOTEQUAL: + context->getState().setDepthFunc(func); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY DepthMask(GLboolean flag) +{ + EVENT("(GLboolean flag = %u)", flag); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setDepthMask(flag != GL_FALSE); + } +} + +void GL_APIENTRY DepthRangef(GLclampf zNear, GLclampf zFar) +{ + EVENT("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setDepthRange(zNear, zFar); + } +} + +void GL_APIENTRY DetachShader(GLuint program, GLuint shader) +{ + EVENT("(GLuint program = %d, GLuint shader = %d)", program, shader); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + Shader *shaderObject = context->getShader(shader); + + if (!programObject) + { + Shader *shaderByProgramHandle; + shaderByProgramHandle = context->getShader(program); + if (!shaderByProgramHandle) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + else + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } + + if (!shaderObject) + { + Program *programByShaderHandle = context->getProgram(shader); + if (!programByShaderHandle) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + else + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } + + if (!programObject->detachShader(shaderObject)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } +} + +void GL_APIENTRY Disable(GLenum cap) +{ + EVENT("(GLenum cap = 0x%X)", cap); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidCap(context, cap)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->getState().setEnableFeature(cap, false); + } +} + +void GL_APIENTRY DisableVertexAttribArray(GLuint index) +{ + EVENT("(GLuint index = %d)", index); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setEnableVertexAttribArray(index, false); + } +} + +void GL_APIENTRY DrawArrays(GLenum mode, GLint first, GLsizei count) +{ + EVENT("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateDrawArrays(context, mode, first, count, 0)) + { + return; + } + + Error error = context->drawArrays(mode, first, count, 0); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices) +{ + EVENT("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = 0x%0.8p)", + mode, count, type, indices); + + Context *context = GetValidGlobalContext(); + if (context) + { + rx::RangeUI indexRange; + if (!ValidateDrawElements(context, mode, count, type, indices, 0, &indexRange)) + { + return; + } + + Error error = context->drawElements(mode, count, type, indices, 0, indexRange); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY Enable(GLenum cap) +{ + EVENT("(GLenum cap = 0x%X)", cap); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidCap(context, cap)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + context->getState().setEnableFeature(cap, true); + } +} + +void GL_APIENTRY EnableVertexAttribArray(GLuint index) +{ + EVENT("(GLuint index = %d)", index); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setEnableVertexAttribArray(index, true); + } +} + +void GL_APIENTRY Finish(void) +{ + EVENT("()"); + + Context *context = GetValidGlobalContext(); + if (context) + { + Error error = context->finish(); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY Flush(void) +{ + EVENT("()"); + + Context *context = GetValidGlobalContext(); + if (context) + { + Error error = context->flush(); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) +{ + EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum renderbuffertarget = 0x%X, " + "GLuint renderbuffer = %d)", target, attachment, renderbuffertarget, renderbuffer); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidFramebufferTarget(target) || (renderbuffertarget != GL_RENDERBUFFER && renderbuffer != 0)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (!ValidateFramebufferRenderbufferParameters(context, target, attachment, renderbuffertarget, renderbuffer)) + { + return; + } + + Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); + ASSERT(framebuffer); + + if (renderbuffer != 0) + { + Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer); + framebuffer->setRenderbufferAttachment(attachment, renderbufferObject); + } + else + { + framebuffer->setNULLAttachment(attachment); + } + } +} + +void GL_APIENTRY FramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) +{ + EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, " + "GLuint texture = %d, GLint level = %d)", target, attachment, textarget, texture, level); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateFramebufferTexture2D(context, target, attachment, textarget, texture, level)) + { + return; + } + + Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); + ASSERT(framebuffer); + + if (texture != 0) + { + Texture *textureObj = context->getTexture(texture); + + ImageIndex index = ImageIndex::MakeInvalid(); + + if (textarget == GL_TEXTURE_2D) + { + index = ImageIndex::Make2D(level); + } + else + { + ASSERT(IsCubeMapTextureTarget(textarget)); + index = ImageIndex::MakeCube(textarget, level); + } + + framebuffer->setTextureAttachment(attachment, textureObj, index); + } + else + { + framebuffer->setNULLAttachment(attachment); + } + } +} + +void GL_APIENTRY FrontFace(GLenum mode) +{ + EVENT("(GLenum mode = 0x%X)", mode); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (mode) + { + case GL_CW: + case GL_CCW: + context->getState().setFrontFace(mode); + break; + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GenBuffers(GLsizei n, GLuint* buffers) +{ + EVENT("(GLsizei n = %d, GLuint* buffers = 0x%0.8p)", n, buffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + buffers[i] = context->createBuffer(); + } + } +} + +void GL_APIENTRY GenerateMipmap(GLenum target) +{ + EVENT("(GLenum target = 0x%X)", target); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidTextureTarget(context, target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + Texture *texture = context->getTargetTexture(target); + + if (texture == NULL) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + GLenum baseTarget = (target == GL_TEXTURE_CUBE_MAP) ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : target; + GLenum internalFormat = texture->getInternalFormat(baseTarget, 0); + const TextureCaps &formatCaps = context->getTextureCaps().get(internalFormat); + const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat); + + // GenerateMipmap should not generate an INVALID_OPERATION for textures created with + // unsized formats or that are color renderable and filterable. Since we do not track if + // the texture was created with sized or unsized format (only sized formats are stored), + // it is not possible to make sure the the LUMA formats can generate mipmaps (they should + // be able to) because they aren't color renderable. Simply do a special case for LUMA + // textures since they're the only texture format that can be created with unsized formats + // that is not color renderable. New unsized formats are unlikely to be added, since ES2 + // was the last version to use add them. + bool isLUMA = internalFormat == GL_LUMINANCE8_EXT || + internalFormat == GL_LUMINANCE8_ALPHA8_EXT || + internalFormat == GL_ALPHA8_EXT; + + if (formatInfo.depthBits > 0 || formatInfo.stencilBits > 0 || !formatCaps.filterable || + (!formatCaps.renderable && !isLUMA) || formatInfo.compressed) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + // GL_EXT_sRGB does not support mipmap generation on sRGB textures + if (context->getClientVersion() == 2 && formatInfo.colorEncoding == GL_SRGB) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + // Non-power of 2 ES2 check + if (!context->getExtensions().textureNPOT && (!isPow2(texture->getWidth(baseTarget, 0)) || !isPow2(texture->getHeight(baseTarget, 0)))) + { + ASSERT(context->getClientVersion() <= 2 && (target == GL_TEXTURE_2D || target == GL_TEXTURE_CUBE_MAP)); + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + // Cube completeness check + if (target == GL_TEXTURE_CUBE_MAP && !texture->isCubeComplete()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + Error error = texture->generateMipmaps(); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY GenFramebuffers(GLsizei n, GLuint* framebuffers) +{ + EVENT("(GLsizei n = %d, GLuint* framebuffers = 0x%0.8p)", n, framebuffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + framebuffers[i] = context->createFramebuffer(); + } + } +} + +void GL_APIENTRY GenRenderbuffers(GLsizei n, GLuint* renderbuffers) +{ + EVENT("(GLsizei n = %d, GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + renderbuffers[i] = context->createRenderbuffer(); + } + } +} + +void GL_APIENTRY GenTextures(GLsizei n, GLuint* textures) +{ + EVENT("(GLsizei n = %d, GLuint* textures = 0x%0.8p)", n, textures); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (n < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + for (int i = 0; i < n; i++) + { + textures[i] = context->createTexture(); + } + } +} + +void GL_APIENTRY GetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) +{ + EVENT("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, GLsizei *length = 0x%0.8p, " + "GLint *size = 0x%0.8p, GLenum *type = %0.8p, GLchar *name = %0.8p)", + program, index, bufsize, length, size, type, name); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (bufsize < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (index >= (GLuint)programObject->getActiveAttributeCount()) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + programObject->getActiveAttribute(index, bufsize, length, size, type, name); + } +} + +void GL_APIENTRY GetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name) +{ + EVENT("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, " + "GLsizei* length = 0x%0.8p, GLint* size = 0x%0.8p, GLenum* type = 0x%0.8p, GLchar* name = 0x%0.8p)", + program, index, bufsize, length, size, type, name); + + + Context *context = GetValidGlobalContext(); + if (context) + { + if (bufsize < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (index >= (GLuint)programObject->getActiveUniformCount()) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + programObject->getActiveUniform(index, bufsize, length, size, type, name); + } +} + +void GL_APIENTRY GetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) +{ + EVENT("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = 0x%0.8p, GLuint* shaders = 0x%0.8p)", + program, maxcount, count, shaders); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (maxcount < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + return programObject->getAttachedShaders(maxcount, count, shaders); + } +} + +GLint GL_APIENTRY GetAttribLocation(GLuint program, const GLchar* name) +{ + EVENT("(GLuint program = %d, const GLchar* name = %s)", program, name); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return -1; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return -1; + } + } + + if (!programObject->isLinked()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return -1; + } + + return programObject->getAttributeLocation(name); + } + + return -1; +} + +void GL_APIENTRY GetBooleanv(GLenum pname, GLboolean* params) +{ + EVENT("(GLenum pname = 0x%X, GLboolean* params = 0x%0.8p)", pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + GLenum nativeType; + unsigned int numParams = 0; + if (!ValidateStateQuery(context, pname, &nativeType, &numParams)) + { + return; + } + + if (nativeType == GL_BOOL) + { + context->getBooleanv(pname, params); + } + else + { + CastStateValues(context, nativeType, pname, numParams, params); + } + } +} + +void GL_APIENTRY GetBufferParameteriv(GLenum target, GLenum pname, GLint* params) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidBufferTarget(context, target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (!ValidBufferParameter(context, pname)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + Buffer *buffer = context->getState().getTargetBuffer(target); + + if (!buffer) + { + // A null buffer means that "0" is bound to the requested buffer target + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + switch (pname) + { + case GL_BUFFER_USAGE: + *params = static_cast<GLint>(buffer->getUsage()); + break; + case GL_BUFFER_SIZE: + *params = clampCast<GLint>(buffer->getSize()); + break; + case GL_BUFFER_ACCESS_FLAGS: + *params = buffer->getAccessFlags(); + break; + case GL_BUFFER_MAPPED: + *params = static_cast<GLint>(buffer->isMapped()); + break; + case GL_BUFFER_MAP_OFFSET: + *params = clampCast<GLint>(buffer->getMapOffset()); + break; + case GL_BUFFER_MAP_LENGTH: + *params = clampCast<GLint>(buffer->getMapLength()); + break; + default: UNREACHABLE(); break; + } + } +} + +GLenum GL_APIENTRY GetError(void) +{ + EVENT("()"); + + Context *context = GetGlobalContext(); + + if (context) + { + return context->getError(); + } + + return GL_NO_ERROR; +} + +void GL_APIENTRY GetFloatv(GLenum pname, GLfloat* params) +{ + EVENT("(GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + GLenum nativeType; + unsigned int numParams = 0; + if (!ValidateStateQuery(context, pname, &nativeType, &numParams)) + { + return; + } + + if (nativeType == GL_FLOAT) + { + context->getFloatv(pname, params); + } + else + { + CastStateValues(context, nativeType, pname, numParams, params); + } + } +} + +void GL_APIENTRY GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params) +{ + EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", + target, attachment, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidFramebufferTarget(target)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + int clientVersion = context->getClientVersion(); + + switch (pname) + { + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: + break; + + case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: + if (clientVersion < 3 && !context->getExtensions().sRGB) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: + case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: + if (clientVersion < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + // Determine if the attachment is a valid enum + switch (attachment) + { + case GL_BACK: + case GL_FRONT: + case GL_DEPTH: + case GL_STENCIL: + case GL_DEPTH_STENCIL_ATTACHMENT: + if (clientVersion < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + case GL_DEPTH_ATTACHMENT: + case GL_STENCIL_ATTACHMENT: + break; + + default: + if (attachment < GL_COLOR_ATTACHMENT0_EXT || + (attachment - GL_COLOR_ATTACHMENT0_EXT) >= context->getCaps().maxColorAttachments) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + } + + Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target); + ASSERT(framebuffer); + + if (framebuffer->id() == 0) + { + if (clientVersion < 3) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + switch (attachment) + { + case GL_BACK: + case GL_DEPTH: + case GL_STENCIL: + break; + + default: + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } + else + { + if (attachment >= GL_COLOR_ATTACHMENT0_EXT && attachment <= GL_COLOR_ATTACHMENT15_EXT) + { + // Valid attachment query + } + else + { + switch (attachment) + { + case GL_DEPTH_ATTACHMENT: + case GL_STENCIL_ATTACHMENT: + break; + + case GL_DEPTH_STENCIL_ATTACHMENT: + if (framebuffer->hasValidDepthStencil()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } + } + + const FramebufferAttachment *attachmentObject = framebuffer->getAttachment(attachment); + if (attachmentObject) + { + ASSERT(attachmentObject->type() == GL_RENDERBUFFER || + attachmentObject->type() == GL_TEXTURE || + attachmentObject->type() == GL_FRAMEBUFFER_DEFAULT); + + switch (pname) + { + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: + *params = attachmentObject->type(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: + if (attachmentObject->type() != GL_RENDERBUFFER && attachmentObject->type() != GL_TEXTURE) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = attachmentObject->id(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: + if (attachmentObject->type() != GL_TEXTURE) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = attachmentObject->mipLevel(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: + if (attachmentObject->type() != GL_TEXTURE) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = attachmentObject->cubeMapFace(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE: + *params = attachmentObject->getRedSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: + *params = attachmentObject->getGreenSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: + *params = attachmentObject->getBlueSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: + *params = attachmentObject->getAlphaSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: + *params = attachmentObject->getDepthSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: + *params = attachmentObject->getStencilSize(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: + if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + *params = attachmentObject->getComponentType(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: + *params = attachmentObject->getColorEncoding(); + break; + + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: + if (attachmentObject->type() != GL_TEXTURE) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = attachmentObject->layer(); + break; + + default: + UNREACHABLE(); + break; + } + } + else + { + // ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE + // is NONE, then querying any other pname will generate INVALID_ENUM. + + // ES 3.0.2 spec pg 235 states that if the attachment type is none, + // GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an + // INVALID_OPERATION for all other pnames + + switch (pname) + { + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: + *params = GL_NONE; + break; + + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: + if (clientVersion < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = 0; + break; + + default: + if (clientVersion < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + else + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + } + } + } +} + +void GL_APIENTRY GetIntegerv(GLenum pname, GLint* params) +{ + EVENT("(GLenum pname = 0x%X, GLint* params = 0x%0.8p)", pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + GLenum nativeType; + unsigned int numParams = 0; + + if (!ValidateStateQuery(context, pname, &nativeType, &numParams)) + { + return; + } + + if (nativeType == GL_INT) + { + context->getIntegerv(pname, params); + } + else + { + CastStateValues(context, nativeType, pname, numParams, params); + } + } +} + +void GL_APIENTRY GetProgramiv(GLuint program, GLenum pname, GLint* params) +{ + EVENT("(GLuint program = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", program, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + + if (!programObject) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (context->getClientVersion() < 3) + { + switch (pname) + { + case GL_ACTIVE_UNIFORM_BLOCKS: + case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH: + case GL_TRANSFORM_FEEDBACK_BUFFER_MODE: + case GL_TRANSFORM_FEEDBACK_VARYINGS: + case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } + + switch (pname) + { + case GL_DELETE_STATUS: + *params = programObject->isFlaggedForDeletion(); + return; + case GL_LINK_STATUS: + *params = programObject->isLinked(); + return; + case GL_VALIDATE_STATUS: + *params = programObject->isValidated(); + return; + case GL_INFO_LOG_LENGTH: + *params = programObject->getInfoLogLength(); + return; + case GL_ATTACHED_SHADERS: + *params = programObject->getAttachedShadersCount(); + return; + case GL_ACTIVE_ATTRIBUTES: + *params = programObject->getActiveAttributeCount(); + return; + case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH: + *params = programObject->getActiveAttributeMaxLength(); + return; + case GL_ACTIVE_UNIFORMS: + *params = programObject->getActiveUniformCount(); + return; + case GL_ACTIVE_UNIFORM_MAX_LENGTH: + *params = programObject->getActiveUniformMaxLength(); + return; + case GL_PROGRAM_BINARY_LENGTH_OES: + *params = programObject->getBinaryLength(); + return; + case GL_ACTIVE_UNIFORM_BLOCKS: + *params = programObject->getActiveUniformBlockCount(); + return; + case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH: + *params = programObject->getActiveUniformBlockMaxLength(); + break; + case GL_TRANSFORM_FEEDBACK_BUFFER_MODE: + *params = programObject->getTransformFeedbackBufferMode(); + break; + case GL_TRANSFORM_FEEDBACK_VARYINGS: + *params = programObject->getTransformFeedbackVaryingCount(); + break; + case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH: + *params = programObject->getTransformFeedbackVaryingMaxLength(); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + EVENT("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", + program, bufsize, length, infolog); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (bufsize < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + programObject->getInfoLog(bufsize, length, infolog); + } +} + +void GL_APIENTRY GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (target != GL_RENDERBUFFER) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (context->getState().getRenderbufferId() == 0) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + Renderbuffer *renderbuffer = context->getRenderbuffer(context->getState().getRenderbufferId()); + + switch (pname) + { + case GL_RENDERBUFFER_WIDTH: *params = renderbuffer->getWidth(); break; + case GL_RENDERBUFFER_HEIGHT: *params = renderbuffer->getHeight(); break; + case GL_RENDERBUFFER_INTERNAL_FORMAT: *params = renderbuffer->getInternalFormat(); break; + case GL_RENDERBUFFER_RED_SIZE: *params = renderbuffer->getRedSize(); break; + case GL_RENDERBUFFER_GREEN_SIZE: *params = renderbuffer->getGreenSize(); break; + case GL_RENDERBUFFER_BLUE_SIZE: *params = renderbuffer->getBlueSize(); break; + case GL_RENDERBUFFER_ALPHA_SIZE: *params = renderbuffer->getAlphaSize(); break; + case GL_RENDERBUFFER_DEPTH_SIZE: *params = renderbuffer->getDepthSize(); break; + case GL_RENDERBUFFER_STENCIL_SIZE: *params = renderbuffer->getStencilSize(); break; + + case GL_RENDERBUFFER_SAMPLES_ANGLE: + if (!context->getExtensions().framebufferMultisample) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = renderbuffer->getSamples(); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GetShaderiv(GLuint shader, GLenum pname, GLint* params) +{ + EVENT("(GLuint shader = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", shader, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + switch (pname) + { + case GL_SHADER_TYPE: + *params = shaderObject->getType(); + return; + case GL_DELETE_STATUS: + *params = shaderObject->isFlaggedForDeletion(); + return; + case GL_COMPILE_STATUS: + *params = shaderObject->isCompiled() ? GL_TRUE : GL_FALSE; + return; + case GL_INFO_LOG_LENGTH: + *params = shaderObject->getInfoLogLength(); + return; + case GL_SHADER_SOURCE_LENGTH: + *params = shaderObject->getSourceLength(); + return; + case GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE: + *params = shaderObject->getTranslatedSourceLength(); + return; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + EVENT("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", + shader, bufsize, length, infolog); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (bufsize < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + shaderObject->getInfoLog(bufsize, length, infolog); + } +} + +void GL_APIENTRY GetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) +{ + EVENT("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = 0x%0.8p, GLint* precision = 0x%0.8p)", + shadertype, precisiontype, range, precision); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (shadertype) + { + case GL_VERTEX_SHADER: + switch (precisiontype) + { + case GL_LOW_FLOAT: + context->getCaps().vertexLowpFloat.get(range, precision); + break; + case GL_MEDIUM_FLOAT: + context->getCaps().vertexMediumpFloat.get(range, precision); + break; + case GL_HIGH_FLOAT: + context->getCaps().vertexHighpFloat.get(range, precision); + break; + + case GL_LOW_INT: + context->getCaps().vertexLowpInt.get(range, precision); + break; + case GL_MEDIUM_INT: + context->getCaps().vertexMediumpInt.get(range, precision); + break; + case GL_HIGH_INT: + context->getCaps().vertexHighpInt.get(range, precision); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + case GL_FRAGMENT_SHADER: + switch (precisiontype) + { + case GL_LOW_FLOAT: + context->getCaps().fragmentLowpFloat.get(range, precision); + break; + case GL_MEDIUM_FLOAT: + context->getCaps().fragmentMediumpFloat.get(range, precision); + break; + case GL_HIGH_FLOAT: + context->getCaps().fragmentHighpFloat.get(range, precision); + break; + + case GL_LOW_INT: + context->getCaps().fragmentLowpInt.get(range, precision); + break; + case GL_MEDIUM_INT: + context->getCaps().fragmentMediumpInt.get(range, precision); + break; + case GL_HIGH_INT: + context->getCaps().fragmentHighpInt.get(range, precision); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + } +} + +void GL_APIENTRY GetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source) +{ + EVENT("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* source = 0x%0.8p)", + shader, bufsize, length, source); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (bufsize < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + shaderObject->getSource(bufsize, length, source); + } +} + +const GLubyte *GL_APIENTRY GetString(GLenum name) +{ + EVENT("(GLenum name = 0x%X)", name); + + Context *context = GetValidGlobalContext(); + + switch (name) + { + case GL_VENDOR: + return (GLubyte*)"Google Inc."; + + case GL_RENDERER: + return (GLubyte*)((context != NULL) ? context->getRendererString().c_str() : "ANGLE"); + + case GL_VERSION: + if (context->getClientVersion() == 2) + { + return (GLubyte*)"OpenGL ES 2.0 (ANGLE " ANGLE_VERSION_STRING ")"; + } + else + { + return (GLubyte*)"OpenGL ES 3.0 (ANGLE " ANGLE_VERSION_STRING ")"; + } + + case GL_SHADING_LANGUAGE_VERSION: + if (context->getClientVersion() == 2) + { + return (GLubyte*)"OpenGL ES GLSL ES 1.00 (ANGLE " ANGLE_VERSION_STRING ")"; + } + else + { + return (GLubyte*)"OpenGL ES GLSL ES 3.00 (ANGLE " ANGLE_VERSION_STRING ")"; + } + + case GL_EXTENSIONS: + return (GLubyte*)((context != NULL) ? context->getExtensionString().c_str() : ""); + + default: + if (context) + { + context->recordError(Error(GL_INVALID_ENUM)); + } + return NULL; + } +} + +void GL_APIENTRY GetTexParameterfv(GLenum target, GLenum pname, GLfloat* params) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", target, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + Texture *texture = context->getTargetTexture(target); + + if (!texture) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (pname) + { + case GL_TEXTURE_MAG_FILTER: + *params = (GLfloat)texture->getSamplerState().magFilter; + break; + case GL_TEXTURE_MIN_FILTER: + *params = (GLfloat)texture->getSamplerState().minFilter; + break; + case GL_TEXTURE_WRAP_S: + *params = (GLfloat)texture->getSamplerState().wrapS; + break; + case GL_TEXTURE_WRAP_T: + *params = (GLfloat)texture->getSamplerState().wrapT; + break; + case GL_TEXTURE_WRAP_R: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().wrapR; + break; + case GL_TEXTURE_IMMUTABLE_FORMAT: + // Exposed to ES2.0 through EXT_texture_storage, no client version validation. + *params = (GLfloat)(texture->isImmutable() ? GL_TRUE : GL_FALSE); + break; + case GL_TEXTURE_IMMUTABLE_LEVELS: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->immutableLevelCount(); + break; + case GL_TEXTURE_USAGE_ANGLE: + *params = (GLfloat)texture->getUsage(); + break; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: + if (!context->getExtensions().textureFilterAnisotropic) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().maxAnisotropy; + break; + case GL_TEXTURE_SWIZZLE_R: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().swizzleRed; + break; + case GL_TEXTURE_SWIZZLE_G: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().swizzleGreen; + break; + case GL_TEXTURE_SWIZZLE_B: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().swizzleBlue; + break; + case GL_TEXTURE_SWIZZLE_A: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().swizzleAlpha; + break; + case GL_TEXTURE_BASE_LEVEL: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().baseLevel; + break; + case GL_TEXTURE_MAX_LEVEL: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLfloat)texture->getSamplerState().maxLevel; + break; + case GL_TEXTURE_MIN_LOD: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().minLod; + break; + case GL_TEXTURE_MAX_LOD: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().maxLod; + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GetTexParameteriv(GLenum target, GLenum pname, GLint* params) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + Texture *texture = context->getTargetTexture(target); + + if (!texture) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (pname) + { + case GL_TEXTURE_MAG_FILTER: + *params = texture->getSamplerState().magFilter; + break; + case GL_TEXTURE_MIN_FILTER: + *params = texture->getSamplerState().minFilter; + break; + case GL_TEXTURE_WRAP_S: + *params = texture->getSamplerState().wrapS; + break; + case GL_TEXTURE_WRAP_T: + *params = texture->getSamplerState().wrapT; + break; + case GL_TEXTURE_WRAP_R: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().wrapR; + break; + case GL_TEXTURE_IMMUTABLE_FORMAT: + // Exposed to ES2.0 through EXT_texture_storage, no client version validation. + *params = texture->isImmutable() ? GL_TRUE : GL_FALSE; + break; + case GL_TEXTURE_IMMUTABLE_LEVELS: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = static_cast<GLint>(texture->immutableLevelCount()); + break; + case GL_TEXTURE_USAGE_ANGLE: + *params = texture->getUsage(); + break; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: + if (!context->getExtensions().textureFilterAnisotropic) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLint)texture->getSamplerState().maxAnisotropy; + break; + case GL_TEXTURE_SWIZZLE_R: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().swizzleRed; + break; + case GL_TEXTURE_SWIZZLE_G: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().swizzleGreen; + break; + case GL_TEXTURE_SWIZZLE_B: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().swizzleBlue; + break; + case GL_TEXTURE_SWIZZLE_A: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().swizzleAlpha; + break; + case GL_TEXTURE_BASE_LEVEL: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().baseLevel; + break; + case GL_TEXTURE_MAX_LEVEL: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = texture->getSamplerState().maxLevel; + break; + case GL_TEXTURE_MIN_LOD: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLint)texture->getSamplerState().minLod; + break; + case GL_TEXTURE_MAX_LOD: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + *params = (GLint)texture->getSamplerState().maxLod; + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY GetUniformfv(GLuint program, GLint location, GLfloat* params) +{ + EVENT("(GLuint program = %d, GLint location = %d, GLfloat* params = 0x%0.8p)", program, location, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateGetUniformfv(context, program, location, params)) + { + return; + } + + Program *programObject = context->getProgram(program); + ASSERT(programObject); + + programObject->getUniformfv(location, params); + } +} + +void GL_APIENTRY GetUniformiv(GLuint program, GLint location, GLint* params) +{ + EVENT("(GLuint program = %d, GLint location = %d, GLint* params = 0x%0.8p)", program, location, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateGetUniformiv(context, program, location, params)) + { + return; + } + + Program *programObject = context->getProgram(program); + ASSERT(programObject); + + programObject->getUniformiv(location, params); + } +} + +GLint GL_APIENTRY GetUniformLocation(GLuint program, const GLchar* name) +{ + EVENT("(GLuint program = %d, const GLchar* name = 0x%0.8p)", program, name); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (strstr(name, "gl_") == name) + { + return -1; + } + + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return -1; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return -1; + } + } + + if (!programObject->isLinked()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return -1; + } + + return programObject->getUniformLocation(name); + } + + return -1; +} + +void GL_APIENTRY GetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params) +{ + EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", index, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (!ValidateGetVertexAttribParameters(context, pname)) + { + return; + } + + if (pname == GL_CURRENT_VERTEX_ATTRIB) + { + const VertexAttribCurrentValueData ¤tValueData = context->getState().getVertexAttribCurrentValue(index); + for (int i = 0; i < 4; ++i) + { + params[i] = currentValueData.FloatValues[i]; + } + } + else + { + const VertexAttribute &attribState = context->getState().getVertexArray()->getVertexAttribute(index); + *params = QuerySingleVertexAttributeParameter<GLfloat>(attribState, pname); + } + } +} + +void GL_APIENTRY GetVertexAttribiv(GLuint index, GLenum pname, GLint* params) +{ + EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", index, pname, params); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (!ValidateGetVertexAttribParameters(context, pname)) + { + return; + } + + if (pname == GL_CURRENT_VERTEX_ATTRIB) + { + const VertexAttribCurrentValueData ¤tValueData = context->getState().getVertexAttribCurrentValue(index); + for (int i = 0; i < 4; ++i) + { + float currentValue = currentValueData.FloatValues[i]; + params[i] = iround<GLint>(currentValue); + } + } + else + { + const VertexAttribute &attribState = context->getState().getVertexArray()->getVertexAttribute(index); + *params = QuerySingleVertexAttributeParameter<GLint>(attribState, pname); + } + } +} + +void GL_APIENTRY GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer) +{ + EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = 0x%0.8p)", index, pname, pointer); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + *pointer = const_cast<GLvoid*>(context->getState().getVertexAttribPointer(index)); + } +} + +void GL_APIENTRY Hint(GLenum target, GLenum mode) +{ + EVENT("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (mode) + { + case GL_FASTEST: + case GL_NICEST: + case GL_DONT_CARE: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (target) + { + case GL_GENERATE_MIPMAP_HINT: + context->getState().setGenerateMipmapHint(mode); + break; + + case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES: + context->getState().setFragmentShaderDerivativeHint(mode); + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +GLboolean GL_APIENTRY IsBuffer(GLuint buffer) +{ + EVENT("(GLuint buffer = %d)", buffer); + + Context *context = GetValidGlobalContext(); + if (context && buffer) + { + Buffer *bufferObject = context->getBuffer(buffer); + + if (bufferObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +GLboolean GL_APIENTRY IsEnabled(GLenum cap) +{ + EVENT("(GLenum cap = 0x%X)", cap); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidCap(context, cap)) + { + context->recordError(Error(GL_INVALID_ENUM)); + return GL_FALSE; + } + + return context->getState().getEnableFeature(cap); + } + + return false; +} + +GLboolean GL_APIENTRY IsFramebuffer(GLuint framebuffer) +{ + EVENT("(GLuint framebuffer = %d)", framebuffer); + + Context *context = GetValidGlobalContext(); + if (context && framebuffer) + { + Framebuffer *framebufferObject = context->getFramebuffer(framebuffer); + + if (framebufferObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +GLboolean GL_APIENTRY IsProgram(GLuint program) +{ + EVENT("(GLuint program = %d)", program); + + Context *context = GetValidGlobalContext(); + if (context && program) + { + Program *programObject = context->getProgram(program); + + if (programObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +GLboolean GL_APIENTRY IsRenderbuffer(GLuint renderbuffer) +{ + EVENT("(GLuint renderbuffer = %d)", renderbuffer); + + Context *context = GetValidGlobalContext(); + if (context && renderbuffer) + { + Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer); + + if (renderbufferObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +GLboolean GL_APIENTRY IsShader(GLuint shader) +{ + EVENT("(GLuint shader = %d)", shader); + + Context *context = GetValidGlobalContext(); + if (context && shader) + { + Shader *shaderObject = context->getShader(shader); + + if (shaderObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +GLboolean GL_APIENTRY IsTexture(GLuint texture) +{ + EVENT("(GLuint texture = %d)", texture); + + Context *context = GetValidGlobalContext(); + if (context && texture) + { + Texture *textureObject = context->getTexture(texture); + + if (textureObject) + { + return GL_TRUE; + } + } + + return GL_FALSE; +} + +void GL_APIENTRY LineWidth(GLfloat width) +{ + EVENT("(GLfloat width = %f)", width); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (width <= 0.0f) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setLineWidth(width); + } +} + +void GL_APIENTRY LinkProgram(GLuint program) +{ + EVENT("(GLuint program = %d)", program); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + Error error = programObject->link(context->getData()); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY PixelStorei(GLenum pname, GLint param) +{ + EVENT("(GLenum pname = 0x%X, GLint param = %d)", pname, param); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3) + { + switch (pname) + { + case GL_UNPACK_IMAGE_HEIGHT: + case GL_UNPACK_SKIP_IMAGES: + case GL_UNPACK_ROW_LENGTH: + case GL_UNPACK_SKIP_ROWS: + case GL_UNPACK_SKIP_PIXELS: + case GL_PACK_ROW_LENGTH: + case GL_PACK_SKIP_ROWS: + case GL_PACK_SKIP_PIXELS: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } + + if (param < 0) + { + context->recordError(Error(GL_INVALID_VALUE, "Cannot use negative values in PixelStorei")); + return; + } + + State &state = context->getState(); + + switch (pname) + { + case GL_UNPACK_ALIGNMENT: + if (param != 1 && param != 2 && param != 4 && param != 8) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + state.setUnpackAlignment(param); + break; + + case GL_PACK_ALIGNMENT: + if (param != 1 && param != 2 && param != 4 && param != 8) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + state.setPackAlignment(param); + break; + + case GL_PACK_REVERSE_ROW_ORDER_ANGLE: + state.setPackReverseRowOrder(param != 0); + break; + + case GL_UNPACK_ROW_LENGTH: + ASSERT(context->getClientVersion() >= 3); + state.setUnpackRowLength(param); + break; + + case GL_UNPACK_IMAGE_HEIGHT: + ASSERT(context->getClientVersion() >= 3); + state.getUnpackState().imageHeight = param; + break; + + case GL_UNPACK_SKIP_IMAGES: + ASSERT(context->getClientVersion() >= 3); + state.getUnpackState().skipImages = param; + break; + + case GL_UNPACK_SKIP_ROWS: + ASSERT(context->getClientVersion() >= 3); + state.getUnpackState().skipRows = param; + break; + + case GL_UNPACK_SKIP_PIXELS: + ASSERT(context->getClientVersion() >= 3); + state.getUnpackState().skipPixels = param; + break; + + case GL_PACK_ROW_LENGTH: + ASSERT(context->getClientVersion() >= 3); + state.getPackState().rowLength = param; + break; + + case GL_PACK_SKIP_ROWS: + ASSERT(context->getClientVersion() >= 3); + state.getPackState().skipRows = param; + break; + + case GL_PACK_SKIP_PIXELS: + ASSERT(context->getClientVersion() >= 3); + state.getPackState().skipPixels = param; + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + } +} + +void GL_APIENTRY PolygonOffset(GLfloat factor, GLfloat units) +{ + EVENT("(GLfloat factor = %f, GLfloat units = %f)", factor, units); + + Context *context = GetValidGlobalContext(); + if (context) + { + context->getState().setPolygonOffsetParams(factor, units); + } +} + +void GL_APIENTRY ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, GLvoid* pixels) +{ + EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, " + "GLenum format = 0x%X, GLenum type = 0x%X, GLvoid* pixels = 0x%0.8p)", + x, y, width, height, format, type, pixels); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (width < 0 || height < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (!ValidateReadPixelsParameters(context, x, y, width, height, + format, type, NULL, pixels)) + { + return; + } + + Framebuffer *framebufferObject = context->getState().getReadFramebuffer(); + ASSERT(framebufferObject); + + Rectangle area(x, y, width, height); + Error error = framebufferObject->readPixels(context->getState(), area, format, type, pixels); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY ReleaseShaderCompiler(void) +{ + EVENT("()"); + + Context *context = GetValidGlobalContext(); + + if (context) + { + Compiler *compiler = context->getCompiler(); + Error error = compiler->release(); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY RenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height) +{ + EVENT("(GLenum target = 0x%X, GLenum internalformat = 0x%X, GLsizei width = %d, GLsizei height = %d)", + target, internalformat, width, height); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateRenderbufferStorageParametersANGLE(context, target, 0, internalformat, + width, height)) + { + return; + } + + Renderbuffer *renderbuffer = context->getState().getCurrentRenderbuffer(); + Error error = renderbuffer->setStorage(internalformat, width, height); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY SampleCoverage(GLclampf value, GLboolean invert) +{ + EVENT("(GLclampf value = %f, GLboolean invert = %u)", value, invert); + + Context* context = GetValidGlobalContext(); + + if (context) + { + context->getState().setSampleCoverageParams(clamp01(value), invert == GL_TRUE); + } +} + +void GL_APIENTRY Scissor(GLint x, GLint y, GLsizei width, GLsizei height) +{ + EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); + + Context* context = GetValidGlobalContext(); + if (context) + { + if (width < 0 || height < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setScissorParams(x, y, width, height); + } +} + +void GL_APIENTRY ShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length) +{ + EVENT("(GLsizei n = %d, const GLuint* shaders = 0x%0.8p, GLenum binaryformat = 0x%X, " + "const GLvoid* binary = 0x%0.8p, GLsizei length = %d)", + n, shaders, binaryformat, binary, length); + + Context* context = GetValidGlobalContext(); + if (context) + { + const std::vector<GLenum> &shaderBinaryFormats = context->getCaps().shaderBinaryFormats; + if (std::find(shaderBinaryFormats.begin(), shaderBinaryFormats.end(), binaryformat) == shaderBinaryFormats.end()) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + // No binary shader formats are supported. + UNIMPLEMENTED(); + } +} + +void GL_APIENTRY ShaderSource(GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length) +{ + EVENT("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = 0x%0.8p, const GLint* length = 0x%0.8p)", + shader, count, string, length); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (count < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + shaderObject->setSource(count, string, length); + } +} + +void GL_APIENTRY StencilFunc(GLenum func, GLint ref, GLuint mask) +{ + StencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask); +} + +void GL_APIENTRY StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) +{ + EVENT("(GLenum face = 0x%X, GLenum func = 0x%X, GLint ref = %d, GLuint mask = %d)", face, func, ref, mask); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (func) + { + case GL_NEVER: + case GL_ALWAYS: + case GL_LESS: + case GL_LEQUAL: + case GL_EQUAL: + case GL_GEQUAL: + case GL_GREATER: + case GL_NOTEQUAL: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilParams(func, ref, mask); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilBackParams(func, ref, mask); + } + } +} + +void GL_APIENTRY StencilMask(GLuint mask) +{ + StencilMaskSeparate(GL_FRONT_AND_BACK, mask); +} + +void GL_APIENTRY StencilMaskSeparate(GLenum face, GLuint mask) +{ + EVENT("(GLenum face = 0x%X, GLuint mask = %d)", face, mask); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilWritemask(mask); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilBackWritemask(mask); + } + } +} + +void GL_APIENTRY StencilOp(GLenum fail, GLenum zfail, GLenum zpass) +{ + StencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass); +} + +void GL_APIENTRY StencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass) +{ + EVENT("(GLenum face = 0x%X, GLenum fail = 0x%X, GLenum zfail = 0x%X, GLenum zpas = 0x%Xs)", + face, fail, zfail, zpass); + + Context *context = GetValidGlobalContext(); + if (context) + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (fail) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (zfail) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (zpass) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilOperations(fail, zfail, zpass); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->getState().setStencilBackOperations(fail, zfail, zpass); + } + } +} + +void GL_APIENTRY TexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, + GLint border, GLenum format, GLenum type, const GLvoid* pixels) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLint internalformat = %d, GLsizei width = %d, GLsizei height = %d, " + "GLint border = %d, GLenum format = 0x%X, GLenum type = 0x%X, const GLvoid* pixels = 0x%0.8p)", + target, level, internalformat, width, height, border, format, type, pixels); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2TexImageParameters(context, target, level, internalformat, false, false, + 0, 0, width, height, border, format, type, pixels)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3TexImageParameters(context, target, level, internalformat, false, false, + 0, 0, 0, width, height, 1, border, format, type, pixels)) + { + return; + } + + Extents size(width, height, 1); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->setImage(target, level, internalformat, size, format, type, context->getState().getUnpackState(), + reinterpret_cast<const uint8_t *>(pixels)); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY TexParameterf(GLenum target, GLenum pname, GLfloat param) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %f)", target, pname, param); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateTexParamParameters(context, pname, static_cast<GLint>(param))) + { + return; + } + + Texture *texture = context->getTargetTexture(target); + + if (!texture) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (pname) + { + case GL_TEXTURE_WRAP_S: texture->getSamplerState().wrapS = uiround<GLenum>(param); break; + case GL_TEXTURE_WRAP_T: texture->getSamplerState().wrapT = uiround<GLenum>(param); break; + case GL_TEXTURE_WRAP_R: texture->getSamplerState().wrapR = uiround<GLenum>(param); break; + case GL_TEXTURE_MIN_FILTER: texture->getSamplerState().minFilter = uiround<GLenum>(param); break; + case GL_TEXTURE_MAG_FILTER: texture->getSamplerState().magFilter = uiround<GLenum>(param); break; + case GL_TEXTURE_USAGE_ANGLE: texture->setUsage(uiround<GLenum>(param)); break; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: texture->getSamplerState().maxAnisotropy = std::min(param, context->getExtensions().maxTextureAnisotropy); break; + case GL_TEXTURE_COMPARE_MODE: texture->getSamplerState().compareMode = uiround<GLenum>(param); break; + case GL_TEXTURE_COMPARE_FUNC: texture->getSamplerState().compareFunc = uiround<GLenum>(param); break; + case GL_TEXTURE_SWIZZLE_R: texture->getSamplerState().swizzleRed = uiround<GLenum>(param); break; + case GL_TEXTURE_SWIZZLE_G: texture->getSamplerState().swizzleGreen = uiround<GLenum>(param); break; + case GL_TEXTURE_SWIZZLE_B: texture->getSamplerState().swizzleBlue = uiround<GLenum>(param); break; + case GL_TEXTURE_SWIZZLE_A: texture->getSamplerState().swizzleAlpha = uiround<GLenum>(param); break; + case GL_TEXTURE_BASE_LEVEL: texture->getSamplerState().baseLevel = iround<GLint>(param); break; + case GL_TEXTURE_MAX_LEVEL: texture->getSamplerState().maxLevel = iround<GLint>(param); break; + case GL_TEXTURE_MIN_LOD: texture->getSamplerState().minLod = param; break; + case GL_TEXTURE_MAX_LOD: texture->getSamplerState().maxLod = param; break; + default: UNREACHABLE(); break; + } + } +} + +void GL_APIENTRY TexParameterfv(GLenum target, GLenum pname, const GLfloat* params) +{ + TexParameterf(target, pname, (GLfloat)*params); +} + +void GL_APIENTRY TexParameteri(GLenum target, GLenum pname, GLint param) +{ + EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateTexParamParameters(context, pname, param)) + { + return; + } + + Texture *texture = context->getTargetTexture(target); + + if (!texture) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + switch (pname) + { + case GL_TEXTURE_WRAP_S: texture->getSamplerState().wrapS = (GLenum)param; break; + case GL_TEXTURE_WRAP_T: texture->getSamplerState().wrapT = (GLenum)param; break; + case GL_TEXTURE_WRAP_R: texture->getSamplerState().wrapR = (GLenum)param; break; + case GL_TEXTURE_MIN_FILTER: texture->getSamplerState().minFilter = (GLenum)param; break; + case GL_TEXTURE_MAG_FILTER: texture->getSamplerState().magFilter = (GLenum)param; break; + case GL_TEXTURE_USAGE_ANGLE: texture->setUsage((GLenum)param); break; + case GL_TEXTURE_MAX_ANISOTROPY_EXT: texture->getSamplerState().maxAnisotropy = std::min((float)param, context->getExtensions().maxTextureAnisotropy); break; + case GL_TEXTURE_COMPARE_MODE: texture->getSamplerState().compareMode = (GLenum)param; break; + case GL_TEXTURE_COMPARE_FUNC: texture->getSamplerState().compareFunc = (GLenum)param; break; + case GL_TEXTURE_SWIZZLE_R: texture->getSamplerState().swizzleRed = (GLenum)param; break; + case GL_TEXTURE_SWIZZLE_G: texture->getSamplerState().swizzleGreen = (GLenum)param; break; + case GL_TEXTURE_SWIZZLE_B: texture->getSamplerState().swizzleBlue = (GLenum)param; break; + case GL_TEXTURE_SWIZZLE_A: texture->getSamplerState().swizzleAlpha = (GLenum)param; break; + case GL_TEXTURE_BASE_LEVEL: texture->getSamplerState().baseLevel = param; break; + case GL_TEXTURE_MAX_LEVEL: texture->getSamplerState().maxLevel = param; break; + case GL_TEXTURE_MIN_LOD: texture->getSamplerState().minLod = (GLfloat)param; break; + case GL_TEXTURE_MAX_LOD: texture->getSamplerState().maxLod = (GLfloat)param; break; + default: UNREACHABLE(); break; + } + } +} + +void GL_APIENTRY TexParameteriv(GLenum target, GLenum pname, const GLint* params) +{ + TexParameteri(target, pname, *params); +} + +void GL_APIENTRY TexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLenum type, const GLvoid* pixels) +{ + EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, GLenum type = 0x%X, " + "const GLvoid* pixels = 0x%0.8p)", + target, level, xoffset, yoffset, width, height, format, type, pixels); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (context->getClientVersion() < 3 && + !ValidateES2TexImageParameters(context, target, level, GL_NONE, false, true, + xoffset, yoffset, width, height, 0, format, type, pixels)) + { + return; + } + + if (context->getClientVersion() >= 3 && + !ValidateES3TexImageParameters(context, target, level, GL_NONE, false, true, + xoffset, yoffset, 0, width, height, 1, 0, format, type, pixels)) + { + return; + } + + // Zero sized uploads are valid but no-ops + if (width == 0 || height == 0) + { + return; + } + + Box area(xoffset, yoffset, 0, width, height, 1); + Texture *texture = context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); + Error error = texture->setSubImage(target, level, area, format, type, context->getState().getUnpackState(), + reinterpret_cast<const uint8_t *>(pixels)); + if (error.isError()) + { + context->recordError(error); + return; + } + } +} + +void GL_APIENTRY Uniform1f(GLint location, GLfloat x) +{ + Uniform1fv(location, 1, &x); +} + +void GL_APIENTRY Uniform1fv(GLint location, GLsizei count, const GLfloat* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_FLOAT, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform1fv(location, count, v); + } +} + +void GL_APIENTRY Uniform1i(GLint location, GLint x) +{ + Uniform1iv(location, 1, &x); +} + +void GL_APIENTRY Uniform1iv(GLint location, GLsizei count, const GLint* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_INT, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform1iv(location, count, v); + } +} + +void GL_APIENTRY Uniform2f(GLint location, GLfloat x, GLfloat y) +{ + GLfloat xy[2] = {x, y}; + + Uniform2fv(location, 1, xy); +} + +void GL_APIENTRY Uniform2fv(GLint location, GLsizei count, const GLfloat* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_FLOAT_VEC2, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform2fv(location, count, v); + } +} + +void GL_APIENTRY Uniform2i(GLint location, GLint x, GLint y) +{ + GLint xy[2] = {x, y}; + + Uniform2iv(location, 1, xy); +} + +void GL_APIENTRY Uniform2iv(GLint location, GLsizei count, const GLint* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_INT_VEC2, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform2iv(location, count, v); + } +} + +void GL_APIENTRY Uniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z) +{ + GLfloat xyz[3] = {x, y, z}; + + Uniform3fv(location, 1, xyz); +} + +void GL_APIENTRY Uniform3fv(GLint location, GLsizei count, const GLfloat* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_FLOAT_VEC3, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform3fv(location, count, v); + } +} + +void GL_APIENTRY Uniform3i(GLint location, GLint x, GLint y, GLint z) +{ + GLint xyz[3] = {x, y, z}; + + Uniform3iv(location, 1, xyz); +} + +void GL_APIENTRY Uniform3iv(GLint location, GLsizei count, const GLint* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_INT_VEC3, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform3iv(location, count, v); + } +} + +void GL_APIENTRY Uniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GLfloat xyzw[4] = {x, y, z, w}; + + Uniform4fv(location, 1, xyzw); +} + +void GL_APIENTRY Uniform4fv(GLint location, GLsizei count, const GLfloat* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_FLOAT_VEC4, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform4fv(location, count, v); + } +} + +void GL_APIENTRY Uniform4i(GLint location, GLint x, GLint y, GLint z, GLint w) +{ + GLint xyzw[4] = {x, y, z, w}; + + Uniform4iv(location, 1, xyzw); +} + +void GL_APIENTRY Uniform4iv(GLint location, GLsizei count, const GLint* v) +{ + EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniform(context, GL_INT_VEC4, location, count)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniform4iv(location, count, v); + } +} + +void GL_APIENTRY UniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %u, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniformMatrix(context, GL_FLOAT_MAT2, location, count, transpose)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniformMatrix2fv(location, count, transpose, value); + } +} + +void GL_APIENTRY UniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %u, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniformMatrix(context, GL_FLOAT_MAT3, location, count, transpose)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniformMatrix3fv(location, count, transpose, value); + } +} + +void GL_APIENTRY UniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %u, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (!ValidateUniformMatrix(context, GL_FLOAT_MAT4, location, count, transpose)) + { + return; + } + + Program *program = context->getState().getProgram(); + program->setUniformMatrix4fv(location, count, transpose, value); + } +} + +void GL_APIENTRY UseProgram(GLuint program) +{ + EVENT("(GLuint program = %d)", program); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + + if (!programObject && program != 0) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + if (program != 0 && !programObject->isLinked()) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + context->useProgram(program); + } +} + +void GL_APIENTRY ValidateProgram(GLuint program) +{ + EVENT("(GLuint program = %d)", program); + + Context *context = GetValidGlobalContext(); + if (context) + { + Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + else + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + } + + programObject->validate(context->getCaps()); + } +} + +void GL_APIENTRY VertexAttrib1f(GLuint index, GLfloat x) +{ + EVENT("(GLuint index = %d, GLfloat x = %f)", index, x); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { x, 0, 0, 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib1fv(GLuint index, const GLfloat* values) +{ + EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { values[0], 0, 0, 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib2f(GLuint index, GLfloat x, GLfloat y) +{ + EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { x, y, 0, 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib2fv(GLuint index, const GLfloat* values) +{ + EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { values[0], values[1], 0, 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z) +{ + EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f)", index, x, y, z); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { x, y, z, 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib3fv(GLuint index, const GLfloat* values) +{ + EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { values[0], values[1], values[2], 1 }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f, GLfloat w = %f)", index, x, y, z, w); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + GLfloat vals[4] = { x, y, z, w }; + context->getState().setVertexAttribf(index, vals); + } +} + +void GL_APIENTRY VertexAttrib4fv(GLuint index, const GLfloat* values) +{ + EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setVertexAttribf(index, values); + } +} + +void GL_APIENTRY VertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr) +{ + EVENT("(GLuint index = %d, GLint size = %d, GLenum type = 0x%X, " + "GLboolean normalized = %u, GLsizei stride = %d, const GLvoid* ptr = 0x%0.8p)", + index, size, type, normalized, stride, ptr); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (index >= MAX_VERTEX_ATTRIBS) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if (size < 1 || size > 4) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + switch (type) + { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_FIXED: + case GL_FLOAT: + break; + + case GL_HALF_FLOAT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_INT_2_10_10_10_REV: + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (context->getClientVersion() < 3) + { + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + break; + + default: + context->recordError(Error(GL_INVALID_ENUM)); + return; + } + + if (stride < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + if ((type == GL_INT_2_10_10_10_REV || type == GL_UNSIGNED_INT_2_10_10_10_REV) && size != 4) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + // [OpenGL ES 3.0.2] Section 2.8 page 24: + // An INVALID_OPERATION error is generated when a non-zero vertex array object + // is bound, zero is bound to the ARRAY_BUFFER buffer object binding point, + // and the pointer argument is not NULL. + if (context->getState().getVertexArray()->id() != 0 && context->getState().getArrayBufferId() == 0 && ptr != NULL) + { + context->recordError(Error(GL_INVALID_OPERATION)); + return; + } + + context->getState().setVertexAttribState(index, context->getState().getTargetBuffer(GL_ARRAY_BUFFER), size, type, + normalized == GL_TRUE, false, stride, ptr); + } +} + +void GL_APIENTRY Viewport(GLint x, GLint y, GLsizei width, GLsizei height) +{ + EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); + + Context *context = GetValidGlobalContext(); + if (context) + { + if (width < 0 || height < 0) + { + context->recordError(Error(GL_INVALID_VALUE)); + return; + } + + context->getState().setViewportParams(x, y, width, height); + } +} + +} |