// // 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, 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(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(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(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(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(buffer->getUsage()); break; case GL_BUFFER_SIZE: *params = clampCast(buffer->getSize()); break; case GL_BUFFER_ACCESS_FLAGS: *params = buffer->getAccessFlags(); break; case GL_BUFFER_MAPPED: *params = static_cast(buffer->isMapped()); break; case GL_BUFFER_MAP_OFFSET: *params = clampCast(buffer->getMapOffset()); break; case GL_BUFFER_MAP_LENGTH: *params = clampCast(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(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(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(currentValue); } } else { const VertexAttribute &attribState = context->getState().getVertexArray()->getVertexAttribute(index); *params = QuerySingleVertexAttributeParameter(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(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 &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(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(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(param); break; case GL_TEXTURE_WRAP_T: texture->getSamplerState().wrapT = uiround(param); break; case GL_TEXTURE_WRAP_R: texture->getSamplerState().wrapR = uiround(param); break; case GL_TEXTURE_MIN_FILTER: texture->getSamplerState().minFilter = uiround(param); break; case GL_TEXTURE_MAG_FILTER: texture->getSamplerState().magFilter = uiround(param); break; case GL_TEXTURE_USAGE_ANGLE: texture->setUsage(uiround(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(param); break; case GL_TEXTURE_COMPARE_FUNC: texture->getSamplerState().compareFunc = uiround(param); break; case GL_TEXTURE_SWIZZLE_R: texture->getSamplerState().swizzleRed = uiround(param); break; case GL_TEXTURE_SWIZZLE_G: texture->getSamplerState().swizzleGreen = uiround(param); break; case GL_TEXTURE_SWIZZLE_B: texture->getSamplerState().swizzleBlue = uiround(param); break; case GL_TEXTURE_SWIZZLE_A: texture->getSamplerState().swizzleAlpha = uiround(param); break; case GL_TEXTURE_BASE_LEVEL: texture->getSamplerState().baseLevel = iround(param); break; case GL_TEXTURE_MAX_LEVEL: texture->getSamplerState().maxLevel = iround(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(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); } } }