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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/validationES3.cpp')
-rw-r--r--src/3rdparty/angle/src/libGLESv2/validationES3.cpp1286
1 files changed, 0 insertions, 1286 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/validationES3.cpp b/src/3rdparty/angle/src/libGLESv2/validationES3.cpp
deleted file mode 100644
index 2d3a039e13..0000000000
--- a/src/3rdparty/angle/src/libGLESv2/validationES3.cpp
+++ /dev/null
@@ -1,1286 +0,0 @@
-//
-// Copyright (c) 2013-2014 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.
-//
-
-// validationES3.cpp: Validation functions for OpenGL ES 3.0 entry point parameters
-
-#include "libGLESv2/validationES3.h"
-#include "libGLESv2/validationES.h"
-#include "libGLESv2/Context.h"
-#include "libGLESv2/Texture.h"
-#include "libGLESv2/Framebuffer.h"
-#include "libGLESv2/Renderbuffer.h"
-#include "libGLESv2/formatutils.h"
-#include "libGLESv2/main.h"
-#include "libGLESv2/FramebufferAttachment.h"
-
-#include "common/mathutil.h"
-
-namespace gl
-{
-
-struct ES3FormatCombination
-{
- GLenum internalFormat;
- GLenum format;
- GLenum type;
-};
-
-bool operator<(const ES3FormatCombination& a, const ES3FormatCombination& b)
-{
- return memcmp(&a, &b, sizeof(ES3FormatCombination)) < 0;
-}
-
-typedef std::set<ES3FormatCombination> ES3FormatCombinationSet;
-
-static inline void InsertES3FormatCombo(ES3FormatCombinationSet *set, GLenum internalFormat, GLenum format, GLenum type)
-{
- ES3FormatCombination info;
- info.internalFormat = internalFormat;
- info.format = format;
- info.type = type;
- set->insert(info);
-}
-
-ES3FormatCombinationSet BuildES3FormatSet()
-{
- ES3FormatCombinationSet set;
-
- // Format combinations from ES 3.0.1 spec, table 3.2
-
- // | Internal format | Format | Type |
- // | | | |
- InsertES3FormatCombo(&set, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 );
- InsertES3FormatCombo(&set, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV );
- InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV );
- InsertES3FormatCombo(&set, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 );
- InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_RGBA32F, GL_RGBA, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RGBA16F, GL_RGBA, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT );
- InsertES3FormatCombo(&set, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT );
- InsertES3FormatCombo(&set, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT );
- InsertES3FormatCombo(&set, GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV );
- InsertES3FormatCombo(&set, GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGB8_SNORM, GL_RGB, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 );
- InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV );
- InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV );
- InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_RGB32F, GL_RGB, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RGB16F, GL_RGB, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RGB9_E5, GL_RGB, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGB8I, GL_RGB_INTEGER, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT );
- InsertES3FormatCombo(&set, GL_RGB16I, GL_RGB_INTEGER, GL_SHORT );
- InsertES3FormatCombo(&set, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_RGB32I, GL_RGB_INTEGER, GL_INT );
- InsertES3FormatCombo(&set, GL_RG8, GL_RG, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RG8_SNORM, GL_RG, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_RG32F, GL_RG, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RG16F, GL_RG, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RG8I, GL_RG_INTEGER, GL_BYTE );
- InsertES3FormatCombo(&set, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT );
- InsertES3FormatCombo(&set, GL_RG16I, GL_RG_INTEGER, GL_SHORT );
- InsertES3FormatCombo(&set, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_RG32I, GL_RG_INTEGER, GL_INT );
- InsertES3FormatCombo(&set, GL_R8, GL_RED, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_R8_SNORM, GL_RED, GL_BYTE );
- InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_R32F, GL_RED, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_R16F, GL_RED, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_R8I, GL_RED_INTEGER, GL_BYTE );
- InsertES3FormatCombo(&set, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT );
- InsertES3FormatCombo(&set, GL_R16I, GL_RED_INTEGER, GL_SHORT );
- InsertES3FormatCombo(&set, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_R32I, GL_RED_INTEGER, GL_INT );
-
- // Unsized formats
- InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 );
- InsertES3FormatCombo(&set, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 );
- InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 );
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_SRGB_ALPHA_EXT, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_SRGB_EXT, GL_SRGB_EXT, GL_UNSIGNED_BYTE );
-
- // Depth stencil formats
- InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT );
- InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
- InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8 );
- InsertES3FormatCombo(&set, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
-
- // From GL_EXT_sRGB
- InsertES3FormatCombo(&set, GL_SRGB8_ALPHA8_EXT, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_SRGB8, GL_SRGB_EXT, GL_UNSIGNED_BYTE );
-
- // From GL_OES_texture_float
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_FLOAT );
-
- // From GL_OES_texture_half_float
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE, GL_LUMINANCE, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_ALPHA, GL_ALPHA, GL_HALF_FLOAT_OES );
-
- // From GL_EXT_texture_format_BGRA8888
- InsertES3FormatCombo(&set, GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
-
- // From GL_EXT_texture_storage
- // | Internal format | Format | Type |
- // | | | |
- InsertES3FormatCombo(&set, GL_ALPHA8_EXT, GL_ALPHA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_LUMINANCE8_EXT, GL_LUMINANCE, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_ALPHA32F_EXT, GL_ALPHA, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE32F_EXT, GL_LUMINANCE, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE_ALPHA, GL_FLOAT );
- InsertES3FormatCombo(&set, GL_ALPHA16F_EXT, GL_ALPHA, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_ALPHA16F_EXT, GL_ALPHA, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_LUMINANCE16F_EXT, GL_LUMINANCE, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE16F_EXT, GL_LUMINANCE, GL_HALF_FLOAT_OES );
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT );
- InsertES3FormatCombo(&set, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES );
-
- // From GL_EXT_texture_storage and GL_EXT_texture_format_BGRA8888
- InsertES3FormatCombo(&set, GL_BGRA8_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT);
- InsertES3FormatCombo(&set, GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
- InsertES3FormatCombo(&set, GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT);
- InsertES3FormatCombo(&set, GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE );
-
- // From GL_ANGLE_depth_texture
- InsertES3FormatCombo(&set, GL_DEPTH_COMPONENT32_OES, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT_24_8_OES );
-
- // Compressed formats
- // From ES 3.0.1 spec, table 3.16
- // | Internal format | Format | Type |
- // | | | |
- InsertES3FormatCombo(&set, GL_COMPRESSED_R11_EAC, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_R11_EAC, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_SIGNED_R11_EAC, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_RG11_EAC, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_SIGNED_RG11_EAC, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGB8_ETC2, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_SRGB8_ETC2, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE);
-
-
- // From GL_EXT_texture_compression_dxt1
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE);
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE);
-
- // From GL_ANGLE_texture_compression_dxt3
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE);
-
- // From GL_ANGLE_texture_compression_dxt5
- InsertES3FormatCombo(&set, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE);
-
- return set;
-}
-
-static bool ValidateTexImageFormatCombination(gl::Context *context, GLenum internalFormat, GLenum format, GLenum type)
-{
- // Note: dEQP 2013.4 expects an INVALID_VALUE error for TexImage3D with an invalid
- // internal format. (dEQP-GLES3.functional.negative_api.texture.teximage3d)
- const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat);
- if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- // The type and format are valid if any supported internal format has that type and format
- bool formatSupported = false;
- bool typeSupported = false;
-
- static const ES3FormatCombinationSet es3FormatSet = BuildES3FormatSet();
- for (ES3FormatCombinationSet::const_iterator i = es3FormatSet.begin(); i != es3FormatSet.end(); i++)
- {
- if (i->format == format || i->type == type)
- {
- const gl::InternalFormat &info = gl::GetInternalFormatInfo(i->internalFormat);
- bool supported = info.textureSupport(context->getClientVersion(), context->getExtensions());
- if (supported && i->type == type)
- {
- typeSupported = true;
- }
- if (supported && i->format == format)
- {
- formatSupported = true;
- }
-
- // Early-out if both type and format are supported now
- if (typeSupported && formatSupported)
- {
- break;
- }
- }
- }
-
- if (!typeSupported || !formatSupported)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- // Check if this is a valid format combination to load texture data
- ES3FormatCombination searchFormat;
- searchFormat.internalFormat = internalFormat;
- searchFormat.format = format;
- searchFormat.type = type;
-
- if (es3FormatSet.find(searchFormat) == es3FormatSet.end())
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- return true;
-}
-
-bool ValidateES3TexImageParameters(Context *context, GLenum target, GLint level, GLenum internalformat, bool isCompressed, bool isSubImage,
- GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum format, GLenum type, const GLvoid *pixels)
-{
- if (!ValidTexture2DDestinationTarget(context, target))
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- // Validate image size
- if (!ValidImageSize(context, target, level, width, height, depth))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- // Verify zero border
- if (border != 0)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (xoffset < 0 || yoffset < 0 || zoffset < 0 ||
- std::numeric_limits<GLsizei>::max() - xoffset < width ||
- std::numeric_limits<GLsizei>::max() - yoffset < height ||
- std::numeric_limits<GLsizei>::max() - zoffset < depth)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- const gl::Caps &caps = context->getCaps();
-
- gl::Texture *texture = NULL;
- bool textureCompressed = false;
- GLenum textureInternalFormat = GL_NONE;
- GLint textureLevelWidth = 0;
- GLint textureLevelHeight = 0;
- GLint textureLevelDepth = 0;
- switch (target)
- {
- case GL_TEXTURE_2D:
- {
- if (static_cast<GLuint>(width) > (caps.max2DTextureSize >> level) ||
- static_cast<GLuint>(height) > (caps.max2DTextureSize >> level))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::Texture2D *texture2d = context->getTexture2D();
- if (texture2d)
- {
- textureCompressed = texture2d->isCompressed(level);
- textureInternalFormat = texture2d->getInternalFormat(level);
- textureLevelWidth = texture2d->getWidth(level);
- textureLevelHeight = texture2d->getHeight(level);
- textureLevelDepth = 1;
- texture = texture2d;
- }
- }
- break;
-
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- {
- if (!isSubImage && width != height)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (static_cast<GLuint>(width) > (caps.maxCubeMapTextureSize >> level))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::TextureCubeMap *textureCube = context->getTextureCubeMap();
- if (textureCube)
- {
- textureCompressed = textureCube->isCompressed(target, level);
- textureInternalFormat = textureCube->getInternalFormat(target, level);
- textureLevelWidth = textureCube->getWidth(target, level);
- textureLevelHeight = textureCube->getHeight(target, level);
- textureLevelDepth = 1;
- texture = textureCube;
- }
- }
- break;
-
- case GL_TEXTURE_3D:
- {
- if (static_cast<GLuint>(width) > (caps.max3DTextureSize >> level) ||
- static_cast<GLuint>(height) > (caps.max3DTextureSize >> level) ||
- static_cast<GLuint>(depth) > (caps.max3DTextureSize >> level))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::Texture3D *texture3d = context->getTexture3D();
- if (texture3d)
- {
- textureCompressed = texture3d->isCompressed(level);
- textureInternalFormat = texture3d->getInternalFormat(level);
- textureLevelWidth = texture3d->getWidth(level);
- textureLevelHeight = texture3d->getHeight(level);
- textureLevelDepth = texture3d->getDepth(level);
- texture = texture3d;
- }
- }
- break;
-
- case GL_TEXTURE_2D_ARRAY:
- {
- if (static_cast<GLuint>(width) > (caps.max2DTextureSize >> level) ||
- static_cast<GLuint>(height) > (caps.max2DTextureSize >> level) ||
- static_cast<GLuint>(depth) > (caps.maxArrayTextureLayers >> level))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::Texture2DArray *texture2darray = context->getTexture2DArray();
- if (texture2darray)
- {
- textureCompressed = texture2darray->isCompressed(level);
- textureInternalFormat = texture2darray->getInternalFormat(level);
- textureLevelWidth = texture2darray->getWidth(level);
- textureLevelHeight = texture2darray->getHeight(level);
- textureLevelDepth = texture2darray->getLayers(level);
- texture = texture2darray;
- }
- }
- break;
-
- default:
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- if (!texture)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (texture->isImmutable() && !isSubImage)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- // Validate texture formats
- GLenum actualInternalFormat = isSubImage ? textureInternalFormat : internalformat;
- const gl::InternalFormat &actualFormatInfo = gl::GetInternalFormatInfo(actualInternalFormat);
- if (isCompressed)
- {
- if (!ValidCompressedImageSize(context, actualInternalFormat, width, height))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (!actualFormatInfo.compressed)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- if (target == GL_TEXTURE_3D)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
- else
- {
- if (!ValidateTexImageFormatCombination(context, actualInternalFormat, format, type))
- {
- return false;
- }
-
- if (target == GL_TEXTURE_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- // Validate sub image parameters
- if (isSubImage)
- {
- if (isCompressed != textureCompressed)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (isCompressed)
- {
- if ((width % 4 != 0 && width != textureLevelWidth) ||
- (height % 4 != 0 && height != textureLevelHeight))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- if (width == 0 || height == 0 || depth == 0)
- {
- return false;
- }
-
- if (xoffset < 0 || yoffset < 0 || zoffset < 0)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (std::numeric_limits<GLsizei>::max() - xoffset < width ||
- std::numeric_limits<GLsizei>::max() - yoffset < height ||
- std::numeric_limits<GLsizei>::max() - zoffset < depth)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (xoffset + width > textureLevelWidth ||
- yoffset + height > textureLevelHeight ||
- zoffset + depth > textureLevelDepth)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
-
- // Check for pixel unpack buffer related API errors
- gl::Buffer *pixelUnpackBuffer = context->getState().getTargetBuffer(GL_PIXEL_UNPACK_BUFFER);
- if (pixelUnpackBuffer != NULL)
- {
- // ...the data would be unpacked from the buffer object such that the memory reads required
- // would exceed the data store size.
- size_t widthSize = static_cast<size_t>(width);
- size_t heightSize = static_cast<size_t>(height);
- size_t depthSize = static_cast<size_t>(depth);
- GLenum sizedFormat = GetSizedInternalFormat(actualInternalFormat, type);
-
- size_t pixelBytes = static_cast<size_t>(gl::GetInternalFormatInfo(sizedFormat).pixelBytes);
-
- if (!rx::IsUnsignedMultiplicationSafe(widthSize, heightSize) ||
- !rx::IsUnsignedMultiplicationSafe(widthSize * heightSize, depthSize) ||
- !rx::IsUnsignedMultiplicationSafe(widthSize * heightSize * depthSize, pixelBytes))
- {
- // Overflow past the end of the buffer
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(sizedFormat);
- size_t copyBytes = formatInfo.computeBlockSize(type, width, height);
- size_t offset = reinterpret_cast<size_t>(pixels);
-
- if (!rx::IsUnsignedAdditionSafe(offset, copyBytes) ||
- ((offset + copyBytes) > static_cast<size_t>(pixelUnpackBuffer->getSize())))
- {
- // Overflow past the end of the buffer
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- // ...data is not evenly divisible into the number of bytes needed to store in memory a datum
- // indicated by type.
- if (!isCompressed)
- {
- size_t dataBytesPerPixel = static_cast<size_t>(gl::GetTypeInfo(type).bytes);
-
- if ((offset % dataBytesPerPixel) != 0)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- // ...the buffer object's data store is currently mapped.
- if (pixelUnpackBuffer->isMapped())
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- return true;
-}
-
-struct EffectiveInternalFormatInfo
-{
- GLenum mEffectiveFormat;
- GLenum mDestFormat;
- GLuint mMinRedBits;
- GLuint mMaxRedBits;
- GLuint mMinGreenBits;
- GLuint mMaxGreenBits;
- GLuint mMinBlueBits;
- GLuint mMaxBlueBits;
- GLuint mMinAlphaBits;
- GLuint mMaxAlphaBits;
-
- EffectiveInternalFormatInfo(GLenum effectiveFormat, GLenum destFormat, GLuint minRedBits, GLuint maxRedBits,
- GLuint minGreenBits, GLuint maxGreenBits, GLuint minBlueBits, GLuint maxBlueBits,
- GLuint minAlphaBits, GLuint maxAlphaBits)
- : mEffectiveFormat(effectiveFormat), mDestFormat(destFormat), mMinRedBits(minRedBits),
- mMaxRedBits(maxRedBits), mMinGreenBits(minGreenBits), mMaxGreenBits(maxGreenBits),
- mMinBlueBits(minBlueBits), mMaxBlueBits(maxBlueBits), mMinAlphaBits(minAlphaBits),
- mMaxAlphaBits(maxAlphaBits) {};
-};
-
-typedef std::vector<EffectiveInternalFormatInfo> EffectiveInternalFormatList;
-
-static EffectiveInternalFormatList BuildSizedEffectiveInternalFormatList()
-{
- EffectiveInternalFormatList list;
-
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
- // linear source buffer component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | N/A | R | G | B | A |
- list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2));
-
- return list;
-}
-
-static EffectiveInternalFormatList BuildUnsizedEffectiveInternalFormatList()
-{
- EffectiveInternalFormatList list;
-
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
- // linear source buffer component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | Dest Format | R | G | B | A |
- list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_ALPHA, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8));
-
- return list;
-}
-
-static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat, const InternalFormat &destFormat,
- GLenum *outEffectiveFormat)
-{
- const EffectiveInternalFormatList *list = NULL;
- GLenum targetFormat = GL_NONE;
-
- if (destFormat.pixelBytes > 0)
- {
- static const EffectiveInternalFormatList sizedList = BuildSizedEffectiveInternalFormatList();
- list = &sizedList;
- }
- else
- {
- static const EffectiveInternalFormatList unsizedList = BuildUnsizedEffectiveInternalFormatList();
- list = &unsizedList;
- targetFormat = destFormat.format;
- }
-
- for (size_t curFormat = 0; curFormat < list->size(); ++curFormat)
- {
- const EffectiveInternalFormatInfo& formatInfo = list->at(curFormat);
- if ((formatInfo.mDestFormat == targetFormat) &&
- (formatInfo.mMinRedBits <= srcFormat.redBits && formatInfo.mMaxRedBits >= srcFormat.redBits) &&
- (formatInfo.mMinGreenBits <= srcFormat.greenBits && formatInfo.mMaxGreenBits >= srcFormat.greenBits) &&
- (formatInfo.mMinBlueBits <= srcFormat.blueBits && formatInfo.mMaxBlueBits >= srcFormat.blueBits) &&
- (formatInfo.mMinAlphaBits <= srcFormat.alphaBits && formatInfo.mMaxAlphaBits >= srcFormat.alphaBits))
- {
- *outEffectiveFormat = formatInfo.mEffectiveFormat;
- return true;
- }
- }
-
- return false;
-}
-
-struct CopyConversion
-{
- GLenum mTextureFormat;
- GLenum mFramebufferFormat;
-
- CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
- : mTextureFormat(textureFormat), mFramebufferFormat(framebufferFormat) { }
-
- bool operator<(const CopyConversion& other) const
- {
- return memcmp(this, &other, sizeof(CopyConversion)) < 0;
- }
-};
-
-typedef std::set<CopyConversion> CopyConversionSet;
-
-static CopyConversionSet BuildValidES3CopyTexImageCombinations()
-{
- CopyConversionSet set;
-
- // From ES 3.0.1 spec, table 3.15
- set.insert(CopyConversion(GL_ALPHA, GL_RGBA));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RED));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RG));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RGB));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RGBA));
- set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_RGBA));
- set.insert(CopyConversion(GL_RED, GL_RED));
- set.insert(CopyConversion(GL_RED, GL_RG));
- set.insert(CopyConversion(GL_RED, GL_RGB));
- set.insert(CopyConversion(GL_RED, GL_RGBA));
- set.insert(CopyConversion(GL_RG, GL_RG));
- set.insert(CopyConversion(GL_RG, GL_RGB));
- set.insert(CopyConversion(GL_RG, GL_RGBA));
- set.insert(CopyConversion(GL_RGB, GL_RGB));
- set.insert(CopyConversion(GL_RGB, GL_RGBA));
- set.insert(CopyConversion(GL_RGBA, GL_RGBA));
-
- // Necessary for ANGLE back-buffers
- set.insert(CopyConversion(GL_ALPHA, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_LUMINANCE, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RED, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RG, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RGB, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RGBA, GL_BGRA_EXT));
-
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RED_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RG_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RG_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RGBA_INTEGER, GL_RGBA_INTEGER));
-
- return set;
-}
-
-static bool IsValidES3CopyTexImageCombination(GLenum textureInternalFormat, GLenum frameBufferInternalFormat, GLuint readBufferHandle)
-{
- const InternalFormat &textureInternalFormatInfo = GetInternalFormatInfo(textureInternalFormat);
- const InternalFormat &framebufferInternalFormatInfo = GetInternalFormatInfo(frameBufferInternalFormat);
-
- static const CopyConversionSet conversionSet = BuildValidES3CopyTexImageCombinations();
- if (conversionSet.find(CopyConversion(textureInternalFormatInfo.format, framebufferInternalFormatInfo.format)) != conversionSet.end())
- {
- // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats
- // must both be signed, unsigned, or fixed point and both source and destinations
- // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed
- // conversion between fixed and floating point.
-
- if ((textureInternalFormatInfo.colorEncoding == GL_SRGB) != (framebufferInternalFormatInfo.colorEncoding == GL_SRGB))
- {
- return false;
- }
-
- if (((textureInternalFormatInfo.componentType == GL_INT) != (framebufferInternalFormatInfo.componentType == GL_INT )) ||
- ((textureInternalFormatInfo.componentType == GL_UNSIGNED_INT) != (framebufferInternalFormatInfo.componentType == GL_UNSIGNED_INT)))
- {
- return false;
- }
-
- if ((textureInternalFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
- textureInternalFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
- textureInternalFormatInfo.componentType == GL_FLOAT) &&
- !(framebufferInternalFormatInfo.componentType == GL_UNSIGNED_NORMALIZED ||
- framebufferInternalFormatInfo.componentType == GL_SIGNED_NORMALIZED ||
- framebufferInternalFormatInfo.componentType == GL_FLOAT))
- {
- return false;
- }
-
- // GLES specification 3.0.3, sec 3.8.5, pg 139-140:
- // The effective internal format of the source buffer is determined with the following rules applied in order:
- // * If the source buffer is a texture or renderbuffer that was created with a sized internal format then the
- // effective internal format is the source buffer's sized internal format.
- // * If the source buffer is a texture that was created with an unsized base internal format, then the
- // effective internal format is the source image array's effective internal format, as specified by table
- // 3.12, which is determined from the <format> and <type> that were used when the source image array was
- // specified by TexImage*.
- // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18 where
- // Destination Internal Format matches internalformat and where the [source channel sizes] are consistent
- // with the values of the source buffer's [channel sizes]. Table 3.17 is used if the
- // FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the FRAMEBUFFER_ATTACHMENT_ENCODING
- // is SRGB.
- const InternalFormat *sourceEffectiveFormat = NULL;
- if (readBufferHandle != 0)
- {
- // Not the default framebuffer, therefore the read buffer must be a user-created texture or renderbuffer
- if (framebufferInternalFormatInfo.pixelBytes > 0)
- {
- sourceEffectiveFormat = &framebufferInternalFormatInfo;
- }
- else
- {
- // Renderbuffers cannot be created with an unsized internal format, so this must be an unsized-format
- // texture. We can use the same table we use when creating textures to get its effective sized format.
- const FormatType &typeInfo = GetFormatTypeInfo(framebufferInternalFormatInfo.format, framebufferInternalFormatInfo.type);
- sourceEffectiveFormat = &GetInternalFormatInfo(typeInfo.internalFormat);
- }
- }
- else
- {
- // The effective internal format must be derived from the source framebuffer's channel sizes.
- // This is done in GetEffectiveInternalFormat for linear buffers (table 3.17)
- if (framebufferInternalFormatInfo.colorEncoding == GL_LINEAR)
- {
- GLenum effectiveFormat;
- if (GetEffectiveInternalFormat(framebufferInternalFormatInfo, textureInternalFormatInfo, &effectiveFormat))
- {
- sourceEffectiveFormat = &GetInternalFormatInfo(effectiveFormat);
- }
- else
- {
- return false;
- }
- }
- else if (framebufferInternalFormatInfo.colorEncoding == GL_SRGB)
- {
- // SRGB buffers can only be copied to sized format destinations according to table 3.18
- if ((textureInternalFormatInfo.pixelBytes > 0) &&
- (framebufferInternalFormatInfo.redBits >= 1 && framebufferInternalFormatInfo.redBits <= 8) &&
- (framebufferInternalFormatInfo.greenBits >= 1 && framebufferInternalFormatInfo.greenBits <= 8) &&
- (framebufferInternalFormatInfo.blueBits >= 1 && framebufferInternalFormatInfo.blueBits <= 8) &&
- (framebufferInternalFormatInfo.alphaBits >= 1 && framebufferInternalFormatInfo.alphaBits <= 8))
- {
- sourceEffectiveFormat = &GetInternalFormatInfo(GL_SRGB8_ALPHA8);
- }
- else
- {
- return false;
- }
- }
- else
- {
- UNREACHABLE();
- return false;
- }
- }
-
- if (textureInternalFormatInfo.pixelBytes > 0)
- {
- // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is sized,
- // component sizes of the source and destination formats must exactly match
- if (textureInternalFormatInfo.redBits != sourceEffectiveFormat->redBits ||
- textureInternalFormatInfo.greenBits != sourceEffectiveFormat->greenBits ||
- textureInternalFormatInfo.blueBits != sourceEffectiveFormat->blueBits ||
- textureInternalFormatInfo.alphaBits != sourceEffectiveFormat->alphaBits)
- {
- return false;
- }
- }
-
-
- return true; // A conversion function exists, and no rule in the specification has precluded conversion
- // between these formats.
- }
-
- return false;
-}
-
-bool ValidateES3CopyTexImageParameters(Context *context, GLenum target, GLint level, GLenum internalformat,
- bool isSubImage, GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height, GLint border)
-{
- GLenum textureInternalFormat;
- if (!ValidateCopyTexImageParametersBase(context, target, level, internalformat, isSubImage,
- xoffset, yoffset, zoffset, x, y, width, height,
- border, &textureInternalFormat))
- {
- return false;
- }
-
- gl::Framebuffer *framebuffer = context->getState().getReadFramebuffer();
-
- if (framebuffer->completeness(context->getData()) != GL_FRAMEBUFFER_COMPLETE)
- {
- context->recordError(Error(GL_INVALID_FRAMEBUFFER_OPERATION));
- return false;
- }
-
- if (context->getState().getReadFramebuffer()->id() != 0 &&
- framebuffer->getSamples(context->getData()) != 0)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- gl::FramebufferAttachment *source = framebuffer->getReadColorbuffer();
- GLenum colorbufferInternalFormat = source->getInternalFormat();
-
- if (isSubImage)
- {
- if (!IsValidES3CopyTexImageCombination(textureInternalFormat, colorbufferInternalFormat,
- context->getState().getReadFramebuffer()->id()))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
- else
- {
- if (!gl::IsValidES3CopyTexImageCombination(internalformat, colorbufferInternalFormat,
- context->getState().getReadFramebuffer()->id()))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- // If width or height is zero, it is a no-op. Return false without setting an error.
- return (width > 0 && height > 0);
-}
-
-bool ValidateES3TexStorageParameters(Context *context, GLenum target, GLsizei levels, GLenum internalformat,
- GLsizei width, GLsizei height, GLsizei depth)
-{
- if (width < 1 || height < 1 || depth < 1 || levels < 1)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (levels > gl::log2(std::max(std::max(width, height), depth)) + 1)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- const gl::Caps &caps = context->getCaps();
-
- gl::Texture *texture = NULL;
- switch (target)
- {
- case GL_TEXTURE_2D:
- {
- texture = context->getTexture2D();
-
- if (static_cast<GLuint>(width) > caps.max2DTextureSize ||
- static_cast<GLuint>(height) > caps.max2DTextureSize)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
- break;
-
- case GL_TEXTURE_CUBE_MAP:
- {
- texture = context->getTextureCubeMap();
-
- if (width != height)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (static_cast<GLuint>(width) > caps.maxCubeMapTextureSize)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
- break;
-
- case GL_TEXTURE_3D:
- {
- texture = context->getTexture3D();
-
- if (static_cast<GLuint>(width) > caps.max3DTextureSize ||
- static_cast<GLuint>(height) > caps.max3DTextureSize ||
- static_cast<GLuint>(depth) > caps.max3DTextureSize)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
- break;
-
- case GL_TEXTURE_2D_ARRAY:
- {
- texture = context->getTexture2DArray();
-
- if (static_cast<GLuint>(width) > caps.max2DTextureSize ||
- static_cast<GLuint>(height) > caps.max2DTextureSize ||
- static_cast<GLuint>(depth) > caps.maxArrayTextureLayers)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
- }
- break;
-
- default:
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- if (!texture || texture->id() == 0)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (texture->isImmutable())
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalformat);
- if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions()))
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- if (formatInfo.pixelBytes == 0)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- return true;
-}
-
-bool ValidateFramebufferTextureLayer(Context *context, GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLint layer)
-{
- if (context->getClientVersion() < 3)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- if (layer < 0)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level))
- {
- return false;
- }
-
- const gl::Caps &caps = context->getCaps();
- if (texture != 0)
- {
- gl::Texture *tex = context->getTexture(texture);
- ASSERT(tex);
-
- switch (tex->getTarget())
- {
- case GL_TEXTURE_2D_ARRAY:
- {
- if (level > gl::log2(caps.max2DTextureSize))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (static_cast<GLuint>(layer) >= caps.maxArrayTextureLayers)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::Texture2DArray *texArray = static_cast<gl::Texture2DArray *>(tex);
- if (texArray->isCompressed(level))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
- break;
-
- case GL_TEXTURE_3D:
- {
- if (level > gl::log2(caps.max3DTextureSize))
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- if (static_cast<GLuint>(layer) >= caps.max3DTextureSize)
- {
- context->recordError(Error(GL_INVALID_VALUE));
- return false;
- }
-
- gl::Texture3D *tex3d = static_cast<gl::Texture3D *>(tex);
- if (tex3d->isCompressed(level))
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
- break;
-
- default:
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
-
- return true;
-}
-
-bool ValidES3ReadFormatType(Context *context, GLenum internalFormat, GLenum format, GLenum type)
-{
- const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(internalFormat);
-
- switch (format)
- {
- case GL_RGBA:
- switch (type)
- {
- case GL_UNSIGNED_BYTE:
- break;
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- if (internalFormat != GL_RGB10_A2)
- {
- return false;
- }
- break;
- case GL_FLOAT:
- if (internalFormatInfo.componentType != GL_FLOAT)
- {
- return false;
- }
- break;
- default:
- return false;
- }
- break;
- case GL_RGBA_INTEGER:
- switch (type)
- {
- case GL_INT:
- if (internalFormatInfo.componentType != GL_INT)
- {
- return false;
- }
- break;
- case GL_UNSIGNED_INT:
- if (internalFormatInfo.componentType != GL_UNSIGNED_INT)
- {
- return false;
- }
- break;
- default:
- return false;
- }
- break;
- case GL_BGRA_EXT:
- switch (type)
- {
- case GL_UNSIGNED_BYTE:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
- break;
- default:
- return false;
- }
- break;
- case GL_RG_EXT:
- case GL_RED_EXT:
- if (!context->getExtensions().textureRG)
- {
- return false;
- }
- switch (type)
- {
- case GL_UNSIGNED_BYTE:
- break;
- default:
- return false;
- }
- break;
- default:
- return false;
- }
- return true;
-}
-
-bool ValidateInvalidateFramebufferParameters(Context *context, GLenum target, GLsizei numAttachments,
- const GLenum* attachments)
-{
- bool defaultFramebuffer = false;
-
- switch (target)
- {
- case GL_DRAW_FRAMEBUFFER:
- case GL_FRAMEBUFFER:
- defaultFramebuffer = context->getState().getDrawFramebuffer()->id() == 0;
- break;
- case GL_READ_FRAMEBUFFER:
- defaultFramebuffer = context->getState().getReadFramebuffer()->id() == 0;
- break;
- default:
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- for (int i = 0; i < numAttachments; ++i)
- {
- if (attachments[i] >= GL_COLOR_ATTACHMENT0 && attachments[i] <= GL_COLOR_ATTACHMENT15)
- {
- if (defaultFramebuffer)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
-
- if (attachments[i] >= GL_COLOR_ATTACHMENT0 + context->getCaps().maxColorAttachments)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
- }
- else
- {
- switch (attachments[i])
- {
- case GL_DEPTH_ATTACHMENT:
- case GL_STENCIL_ATTACHMENT:
- case GL_DEPTH_STENCIL_ATTACHMENT:
- if (defaultFramebuffer)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
- break;
- case GL_COLOR:
- case GL_DEPTH:
- case GL_STENCIL:
- if (!defaultFramebuffer)
- {
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
- break;
- default:
- context->recordError(Error(GL_INVALID_ENUM));
- return false;
- }
- }
- }
-
- return true;
-}
-
-bool ValidateClearBuffer(Context *context)
-{
- if (context->getClientVersion() < 3)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- const gl::Framebuffer *fbo = context->getState().getDrawFramebuffer();
- if (!fbo || fbo->completeness(context->getData()) != GL_FRAMEBUFFER_COMPLETE)
- {
- context->recordError(Error(GL_INVALID_FRAMEBUFFER_OPERATION));
- return false;
- }
-
- return true;
-}
-
-bool ValidateGetUniformuiv(Context *context, GLuint program, GLint location, GLuint* params)
-{
- if (context->getClientVersion() < 3)
- {
- context->recordError(Error(GL_INVALID_OPERATION));
- return false;
- }
-
- return ValidateGetUniformBase(context, program, location);
-}
-
-}