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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/validationES3.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/validationES3.cpp | 3702 |
1 files changed, 0 insertions, 3702 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/validationES3.cpp b/src/3rdparty/angle/src/libANGLE/validationES3.cpp deleted file mode 100644 index 1aadfc876e..0000000000 --- a/src/3rdparty/angle/src/libANGLE/validationES3.cpp +++ /dev/null @@ -1,3702 +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 "libANGLE/validationES3.h" - -#include "anglebase/numerics/safe_conversions.h" -#include "common/mathutil.h" -#include "common/utilities.h" -#include "libANGLE/Context.h" -#include "libANGLE/ErrorStrings.h" -#include "libANGLE/Framebuffer.h" -#include "libANGLE/FramebufferAttachment.h" -#include "libANGLE/Renderbuffer.h" -#include "libANGLE/Texture.h" -#include "libANGLE/formatutils.h" -#include "libANGLE/validationES.h" - -using namespace angle; - -namespace gl -{ - -namespace -{ -bool ValidateFramebufferTextureMultiviewBaseANGLE(Context *context, - GLenum target, - GLenum attachment, - GLuint texture, - GLint level, - GLsizei numViews) -{ - if (!context->getExtensions().multiview) - { - context->handleError(InvalidOperation() << "ANGLE_multiview is not available."); - return false; - } - - if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level)) - { - return false; - } - - if (texture != 0 && numViews < 1) - { - context->handleError(InvalidValue() << "numViews cannot be less than 1."); - return false; - } - - const Extensions &extensions = context->getExtensions(); - if (static_cast<GLuint>(numViews) > extensions.maxViews) - { - context->handleError(InvalidValue() - << "numViews cannot be greater than GL_MAX_VIEWS_ANGLE."); - return false; - } - - return true; -} - -bool ValidateFramebufferTextureMultiviewLevelAndFormat(Context *context, - Texture *texture, - GLint level) -{ - GLenum texTarget = texture->getTarget(); - if (!ValidMipLevel(context, texTarget, level)) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), InvalidMipLevel); - return false; - } - - const auto &format = texture->getFormat(texTarget, level); - if (format.info->compressed) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), CompressedTexturesNotAttachable); - return false; - } - return true; -} - -bool ValidateUniformES3(Context *context, GLenum uniformType, GLint location, GLint count) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateUniform(context, uniformType, location, count); -} - -bool ValidateUniformMatrixES3(Context *context, - GLenum valueType, - GLint location, - GLsizei count, - GLboolean transpose) -{ - // Check for ES3 uniform entry points - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateUniformMatrix(context, valueType, location, count, transpose); -} - -bool ValidateGenOrDeleteES3(Context *context, GLint n) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - return ValidateGenOrDelete(context, n); -} - -bool ValidateGenOrDeleteCountES3(Context *context, GLint count) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - if (count < 0) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), NegativeCount); - return false; - } - return true; -} - -} // anonymous namespace - -static bool ValidateTexImageFormatCombination(gl::Context *context, - GLenum target, - GLenum internalFormat, - GLenum format, - GLenum type) -{ - - // The type and format are valid if any supported internal format has that type and format - if (!ValidES3Format(format)) - { - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidFormat); - return false; - } - - if (!ValidES3Type(type)) - { - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidType); - return false; - } - - // For historical reasons, glTexImage2D and glTexImage3D pass in their internal format as a - // GLint instead of a GLenum. Therefor an invalid internal format gives a GL_INVALID_VALUE - // error instead of a GL_INVALID_ENUM error. As this validation function is only called in - // the validation codepaths for glTexImage2D/3D, we record a GL_INVALID_VALUE error. - if (!ValidES3InternalFormat(internalFormat)) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), InvalidInternalFormat); - return false; - } - - // From the ES 3.0 spec section 3.8.3: - // Textures with a base internal format of DEPTH_COMPONENT or DEPTH_STENCIL are supported by - // texture image specification commands only if target is TEXTURE_2D, TEXTURE_2D_ARRAY, or - // TEXTURE_CUBE_MAP.Using these formats in conjunction with any other target will result in an - // INVALID_OPERATION error. - if (target == GL_TEXTURE_3D && (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)) - { - context->handleError(InvalidOperation() << "Format cannot be GL_DEPTH_COMPONENT or " - "GL_DEPTH_STENCIL if target is " - "GL_TEXTURE_3D"); - return false; - } - - // Check if this is a valid format combination to load texture data - if (!ValidES3FormatCombination(format, type, internalFormat)) - { - context->handleError(InvalidOperation() - << "Invalid combination of format, type and internalFormat."); - return false; - } - - const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat, type); - if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) - { - context->handleError(InvalidOperation() << "Unsupported internal format."); - return false; - } - - return true; -} - -bool ValidateES3TexImageParametersBase(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, - GLsizei imageSize, - const void *pixels) -{ - // Validate image size - if (!ValidImageSizeParameters(context, target, level, width, height, depth, isSubImage)) - { - context->handleError(InvalidValue()); - return false; - } - - // Verify zero border - if (border != 0) - { - context->handleError(InvalidValue()); - 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->handleError(InvalidValue()); - return false; - } - - const gl::Caps &caps = context->getCaps(); - - switch (target) - { - case GL_TEXTURE_2D: - if (static_cast<GLuint>(width) > (caps.max2DTextureSize >> level) || - static_cast<GLuint>(height) > (caps.max2DTextureSize >> level)) - { - context->handleError(InvalidValue()); - return false; - } - break; - - case GL_TEXTURE_RECTANGLE_ANGLE: - ASSERT(level == 0); - if (static_cast<GLuint>(width) > caps.maxRectangleTextureSize || - static_cast<GLuint>(height) > caps.maxRectangleTextureSize) - { - context->handleError(InvalidValue()); - return false; - } - if (isCompressed) - { - context->handleError(InvalidEnum() - << "Rectangle texture cannot have a compressed format."); - return false; - } - 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->handleError(InvalidValue()); - return false; - } - - if (static_cast<GLuint>(width) > (caps.maxCubeMapTextureSize >> level)) - { - context->handleError(InvalidValue()); - return false; - } - 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->handleError(InvalidValue()); - return false; - } - 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) - { - context->handleError(InvalidValue()); - return false; - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - gl::Texture *texture = - context->getTargetTexture(IsCubeMapTextureTarget(target) ? GL_TEXTURE_CUBE_MAP : target); - if (!texture) - { - context->handleError(InvalidOperation()); - return false; - } - - if (texture->getImmutableFormat() && !isSubImage) - { - context->handleError(InvalidOperation()); - return false; - } - - // Validate texture formats - GLenum actualInternalFormat = - isSubImage ? texture->getFormat(target, level).info->internalFormat : internalformat; - if (isSubImage && actualInternalFormat == GL_NONE) - { - context->handleError(InvalidOperation() << "Texture level does not exist."); - return false; - } - - const gl::InternalFormat &actualFormatInfo = isSubImage - ? *texture->getFormat(target, level).info - : GetInternalFormatInfo(internalformat, type); - if (isCompressed) - { - if (!actualFormatInfo.compressed) - { - context->handleError( - InvalidEnum() << "internalformat is not a supported compressed internal format."); - return false; - } - - if (isSubImage) - { - if (!ValidCompressedSubImageSize( - context, actualFormatInfo.internalFormat, xoffset, yoffset, width, height, - texture->getWidth(target, level), texture->getHeight(target, level))) - { - context->handleError(InvalidOperation() << "Invalid compressed format dimension."); - return false; - } - - if (format != actualInternalFormat) - { - context->handleError(InvalidOperation() - << "Format must match the internal format of the texture."); - return false; - } - - if (actualInternalFormat == GL_ETC1_RGB8_OES) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), InvalidInternalFormat); - return false; - } - } - else - { - if (!ValidCompressedImageSize(context, actualInternalFormat, level, width, height)) - { - context->handleError(InvalidOperation() << "Invalid compressed format dimension."); - return false; - } - } - - if (!actualFormatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) - { - context->handleError(InvalidEnum()); - return false; - } - - if (target == GL_TEXTURE_3D) - { - context->handleError(InvalidOperation()); - return false; - } - } - else - { - if (!ValidateTexImageFormatCombination(context, target, actualInternalFormat, format, type)) - { - return false; - } - } - - // Validate sub image parameters - if (isSubImage) - { - if (isCompressed != actualFormatInfo.compressed) - { - context->handleError(InvalidOperation()); - return false; - } - - if (xoffset < 0 || yoffset < 0 || zoffset < 0) - { - context->handleError(InvalidValue()); - 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->handleError(InvalidValue()); - return false; - } - - if (static_cast<size_t>(xoffset + width) > texture->getWidth(target, level) || - static_cast<size_t>(yoffset + height) > texture->getHeight(target, level) || - static_cast<size_t>(zoffset + depth) > texture->getDepth(target, level)) - { - context->handleError(InvalidValue()); - return false; - } - - if (width > 0 && height > 0 && depth > 0 && pixels == nullptr && - context->getGLState().getTargetBuffer(gl::BufferBinding::PixelUnpack) == nullptr) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), PixelDataNull); - return false; - } - } - - GLenum sizeCheckFormat = isSubImage ? format : internalformat; - if (!ValidImageDataSize(context, target, width, height, depth, sizeCheckFormat, type, pixels, - imageSize)) - { - return false; - } - - // Check for pixel unpack buffer related API errors - gl::Buffer *pixelUnpackBuffer = - context->getGLState().getTargetBuffer(BufferBinding::PixelUnpack); - if (pixelUnpackBuffer != nullptr) - { - // ...data is not evenly divisible into the number of bytes needed to store in memory a - // datum - // indicated by type. - if (!isCompressed) - { - size_t offset = reinterpret_cast<size_t>(pixels); - size_t dataBytesPerPixel = static_cast<size_t>(gl::GetTypeInfo(type).bytes); - - if ((offset % dataBytesPerPixel) != 0) - { - context->handleError(InvalidOperation() - << "Reads would overflow the pixel unpack buffer."); - return false; - } - } - - // ...the buffer object's data store is currently mapped. - if (pixelUnpackBuffer->isMapped()) - { - context->handleError(InvalidOperation() << "Pixel unpack buffer is mapped."); - return false; - } - } - - return true; -} - -bool ValidateES3TexImage2DParameters(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, - GLsizei imageSize, - const void *pixels) -{ - if (!ValidTexture2DDestinationTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed, - isSubImage, xoffset, yoffset, zoffset, width, height, - depth, border, format, type, imageSize, pixels); -} - -bool ValidateES3TexImage3DParameters(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, - GLsizei bufSize, - const void *pixels) -{ - if (!ValidTexture3DDestinationTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3TexImageParametersBase(context, target, level, internalformat, isCompressed, - isSubImage, xoffset, yoffset, zoffset, width, height, - depth, border, format, type, bufSize, pixels); -} - -struct EffectiveInternalFormatInfo -{ - GLenum effectiveFormat; - GLenum destFormat; - GLuint minRedBits; - GLuint maxRedBits; - GLuint minGreenBits; - GLuint maxGreenBits; - GLuint minBlueBits; - GLuint maxBlueBits; - GLuint minAlphaBits; - GLuint maxAlphaBits; -}; - -static bool QueryEffectiveFormatList(const InternalFormat &srcFormat, - GLenum targetFormat, - const EffectiveInternalFormatInfo *list, - size_t size, - GLenum *outEffectiveFormat) -{ - for (size_t curFormat = 0; curFormat < size; ++curFormat) - { - const EffectiveInternalFormatInfo &formatInfo = list[curFormat]; - if ((formatInfo.destFormat == targetFormat) && - (formatInfo.minRedBits <= srcFormat.redBits && - formatInfo.maxRedBits >= srcFormat.redBits) && - (formatInfo.minGreenBits <= srcFormat.greenBits && - formatInfo.maxGreenBits >= srcFormat.greenBits) && - (formatInfo.minBlueBits <= srcFormat.blueBits && - formatInfo.maxBlueBits >= srcFormat.blueBits) && - (formatInfo.minAlphaBits <= srcFormat.alphaBits && - formatInfo.maxAlphaBits >= srcFormat.alphaBits)) - { - *outEffectiveFormat = formatInfo.effectiveFormat; - return true; - } - } - - *outEffectiveFormat = GL_NONE; - return false; -} - -bool GetSizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, - GLenum *outEffectiveFormat) -{ - // 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 | - // clang-format off - constexpr EffectiveInternalFormatInfo list[] = { - { GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8 }, - { GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0 }, - { GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0 }, - { GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0 }, - { GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0 }, - { GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4 }, - { GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1 }, - { GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8 }, - { GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2 }, - }; - // clang-format on - - return QueryEffectiveFormatList(srcFormat, GL_NONE, list, ArraySize(list), outEffectiveFormat); -} - -bool GetUnsizedEffectiveInternalFormatInfo(const InternalFormat &srcFormat, - const InternalFormat &destFormat, - GLenum *outEffectiveFormat) -{ - constexpr GLuint umax = UINT_MAX; - - // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: - // Effective internal format coresponding to destination internal format andlinear source buffer - // component sizes. - // | Source channel min/max sizes | - // Effective Internal Format | Dest Format | R | G | B | A | - // clang-format off - constexpr EffectiveInternalFormatInfo list[] = { - { GL_ALPHA8_EXT, GL_ALPHA, 0, umax, 0, umax, 0, umax, 1, 8 }, - { GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, umax, 0, umax, 0, umax }, - { GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, umax, 0, umax, 1, 8 }, - { GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, umax }, - { GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, umax }, - { GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4 }, - { GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1 }, - { GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8 }, - }; - // clang-format on - - return QueryEffectiveFormatList(srcFormat, destFormat.format, list, ArraySize(list), - outEffectiveFormat); -} - -static bool GetEffectiveInternalFormat(const InternalFormat &srcFormat, - const InternalFormat &destFormat, - GLenum *outEffectiveFormat) -{ - if (destFormat.sized) - { - return GetSizedEffectiveInternalFormatInfo(srcFormat, outEffectiveFormat); - } - else - { - return GetUnsizedEffectiveInternalFormatInfo(srcFormat, destFormat, outEffectiveFormat); - } -} - -static bool EqualOrFirstZero(GLuint first, GLuint second) -{ - return first == 0 || first == second; -} - -static bool IsValidES3CopyTexImageCombination(const InternalFormat &textureFormatInfo, - const InternalFormat &framebufferFormatInfo, - GLuint readBufferHandle) -{ - if (!ValidES3CopyConversion(textureFormatInfo.format, framebufferFormatInfo.format)) - { - return false; - } - - // 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 ((textureFormatInfo.colorEncoding == GL_SRGB) != - (framebufferFormatInfo.colorEncoding == GL_SRGB)) - { - return false; - } - - if (((textureFormatInfo.componentType == GL_INT) != - (framebufferFormatInfo.componentType == GL_INT)) || - ((textureFormatInfo.componentType == GL_UNSIGNED_INT) != - (framebufferFormatInfo.componentType == GL_UNSIGNED_INT))) - { - return false; - } - - if ((textureFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || - textureFormatInfo.componentType == GL_SIGNED_NORMALIZED || - textureFormatInfo.componentType == GL_FLOAT) && - !(framebufferFormatInfo.componentType == GL_UNSIGNED_NORMALIZED || - framebufferFormatInfo.componentType == GL_SIGNED_NORMALIZED || - framebufferFormatInfo.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 = nullptr; - if (readBufferHandle != 0) - { - // Not the default framebuffer, therefore the read buffer must be a user-created texture or - // renderbuffer - if (framebufferFormatInfo.sized) - { - sourceEffectiveFormat = &framebufferFormatInfo; - } - 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. - sourceEffectiveFormat = - &GetSizedInternalFormatInfo(framebufferFormatInfo.sizedInternalFormat); - } - } - 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 (framebufferFormatInfo.colorEncoding == GL_LINEAR) - { - GLenum effectiveFormat; - if (GetEffectiveInternalFormat(framebufferFormatInfo, textureFormatInfo, - &effectiveFormat)) - { - sourceEffectiveFormat = &GetSizedInternalFormatInfo(effectiveFormat); - } - else - { - return false; - } - } - else if (framebufferFormatInfo.colorEncoding == GL_SRGB) - { - // SRGB buffers can only be copied to sized format destinations according to table 3.18 - if (textureFormatInfo.sized && - (framebufferFormatInfo.redBits >= 1 && framebufferFormatInfo.redBits <= 8) && - (framebufferFormatInfo.greenBits >= 1 && framebufferFormatInfo.greenBits <= 8) && - (framebufferFormatInfo.blueBits >= 1 && framebufferFormatInfo.blueBits <= 8) && - (framebufferFormatInfo.alphaBits >= 1 && framebufferFormatInfo.alphaBits <= 8)) - { - sourceEffectiveFormat = &GetSizedInternalFormatInfo(GL_SRGB8_ALPHA8); - } - else - { - return false; - } - } - else - { - UNREACHABLE(); - return false; - } - } - - if (textureFormatInfo.sized) - { - // 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 the - // destination format exists. - if (!EqualOrFirstZero(textureFormatInfo.redBits, sourceEffectiveFormat->redBits) || - !EqualOrFirstZero(textureFormatInfo.greenBits, sourceEffectiveFormat->greenBits) || - !EqualOrFirstZero(textureFormatInfo.blueBits, sourceEffectiveFormat->blueBits) || - !EqualOrFirstZero(textureFormatInfo.alphaBits, sourceEffectiveFormat->alphaBits)) - { - return false; - } - } - - return true; // A conversion function exists, and no rule in the specification has precluded - // conversion between these formats. -} - -bool ValidateES3CopyTexImageParametersBase(ValidationContext *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) -{ - Format textureFormat = Format::Invalid(); - if (!ValidateCopyTexImageParametersBase(context, target, level, internalformat, isSubImage, - xoffset, yoffset, zoffset, x, y, width, height, border, - &textureFormat)) - { - return false; - } - ASSERT(textureFormat.valid() || !isSubImage); - - const auto &state = context->getGLState(); - gl::Framebuffer *framebuffer = state.getReadFramebuffer(); - GLuint readFramebufferID = framebuffer->id(); - - if (framebuffer->checkStatus(context) != GL_FRAMEBUFFER_COMPLETE) - { - context->handleError(InvalidFramebufferOperation()); - return false; - } - - if (readFramebufferID != 0 && framebuffer->getSamples(context) != 0) - { - context->handleError(InvalidOperation()); - return false; - } - - const FramebufferAttachment *source = framebuffer->getReadColorbuffer(); - - if (isSubImage) - { - if (!IsValidES3CopyTexImageCombination(*textureFormat.info, *source->getFormat().info, - readFramebufferID)) - { - context->handleError(InvalidOperation()); - return false; - } - } - else - { - // Use format/type from the source FBO. (Might not be perfect for all cases?) - const InternalFormat &framebufferFormat = *source->getFormat().info; - const InternalFormat ©Format = GetInternalFormatInfo(internalformat, GL_UNSIGNED_BYTE); - if (!IsValidES3CopyTexImageCombination(copyFormat, framebufferFormat, readFramebufferID)) - { - context->handleError(InvalidOperation()); - 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 ValidateES3CopyTexImage2DParameters(ValidationContext *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) -{ - if (!ValidTexture2DDestinationTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3CopyTexImageParametersBase(context, target, level, internalformat, isSubImage, - xoffset, yoffset, zoffset, x, y, width, height, - border); -} - -bool ValidateES3CopyTexImage3DParameters(ValidationContext *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) -{ - if (!ValidTexture3DDestinationTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3CopyTexImageParametersBase(context, target, level, internalformat, isSubImage, - xoffset, yoffset, zoffset, x, y, width, height, - border); -} - -bool ValidateES3TexStorageParametersBase(Context *context, - GLenum target, - GLsizei levels, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth) -{ - if (width < 1 || height < 1 || depth < 1 || levels < 1) - { - context->handleError(InvalidValue()); - return false; - } - - GLsizei maxDim = std::max(width, height); - if (target != GL_TEXTURE_2D_ARRAY) - { - maxDim = std::max(maxDim, depth); - } - - if (levels > gl::log2(maxDim) + 1) - { - context->handleError(InvalidOperation()); - return false; - } - - const gl::Caps &caps = context->getCaps(); - - switch (target) - { - case GL_TEXTURE_2D: - { - if (static_cast<GLuint>(width) > caps.max2DTextureSize || - static_cast<GLuint>(height) > caps.max2DTextureSize) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - case GL_TEXTURE_RECTANGLE_ANGLE: - { - if (static_cast<GLuint>(width) > caps.maxRectangleTextureSize || - static_cast<GLuint>(height) > caps.maxRectangleTextureSize || levels != 1) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - case GL_TEXTURE_CUBE_MAP: - { - if (width != height) - { - context->handleError(InvalidValue()); - return false; - } - - if (static_cast<GLuint>(width) > caps.maxCubeMapTextureSize) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - case GL_TEXTURE_3D: - { - if (static_cast<GLuint>(width) > caps.max3DTextureSize || - static_cast<GLuint>(height) > caps.max3DTextureSize || - static_cast<GLuint>(depth) > caps.max3DTextureSize) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - case GL_TEXTURE_2D_ARRAY: - { - if (static_cast<GLuint>(width) > caps.max2DTextureSize || - static_cast<GLuint>(height) > caps.max2DTextureSize || - static_cast<GLuint>(depth) > caps.maxArrayTextureLayers) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - default: - UNREACHABLE(); - return false; - } - - gl::Texture *texture = context->getTargetTexture(target); - if (!texture || texture->id() == 0) - { - context->handleError(InvalidOperation()); - return false; - } - - if (texture->getImmutableFormat()) - { - context->handleError(InvalidOperation()); - return false; - } - - const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(internalformat); - if (!formatInfo.textureSupport(context->getClientVersion(), context->getExtensions())) - { - context->handleError(InvalidEnum()); - return false; - } - - if (!formatInfo.sized) - { - context->handleError(InvalidEnum()); - return false; - } - - if (formatInfo.compressed && target == GL_TEXTURE_RECTANGLE_ANGLE) - { - context->handleError(InvalidEnum() << "Rectangle texture cannot have a compressed format."); - return false; - } - - return true; -} - -bool ValidateES3TexStorage2DParameters(Context *context, - GLenum target, - GLsizei levels, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth) -{ - if (!ValidTexture2DTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3TexStorageParametersBase(context, target, levels, internalformat, width, - height, depth); -} - -bool ValidateES3TexStorage3DParameters(Context *context, - GLenum target, - GLsizei levels, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth) -{ - if (!ValidTexture3DTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - return ValidateES3TexStorageParametersBase(context, target, levels, internalformat, width, - height, depth); -} - -bool ValidateBeginQuery(gl::Context *context, GLenum target, GLuint id) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateBeginQueryBase(context, target, id); -} - -bool ValidateEndQuery(gl::Context *context, GLenum target) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateEndQueryBase(context, target); -} - -bool ValidateGetQueryiv(Context *context, GLenum target, GLenum pname, GLint *params) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateGetQueryivBase(context, target, pname, nullptr); -} - -bool ValidateGetQueryObjectuiv(Context *context, GLuint id, GLenum pname, GLuint *params) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateGetQueryObjectValueBase(context, id, pname, nullptr); -} - -bool ValidateFramebufferTextureLayer(Context *context, - GLenum target, - GLenum attachment, - GLuint texture, - GLint level, - GLint layer) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateFramebufferTextureBase(context, target, attachment, texture, level)) - { - return false; - } - - const gl::Caps &caps = context->getCaps(); - if (texture != 0) - { - if (layer < 0) - { - context->handleError(InvalidValue()); - return false; - } - - gl::Texture *tex = context->getTexture(texture); - ASSERT(tex); - - switch (tex->getTarget()) - { - case GL_TEXTURE_2D_ARRAY: - { - if (level > gl::log2(caps.max2DTextureSize)) - { - context->handleError(InvalidValue()); - return false; - } - - if (static_cast<GLuint>(layer) >= caps.maxArrayTextureLayers) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - case GL_TEXTURE_3D: - { - if (level > gl::log2(caps.max3DTextureSize)) - { - context->handleError(InvalidValue()); - return false; - } - - if (static_cast<GLuint>(layer) >= caps.max3DTextureSize) - { - context->handleError(InvalidValue()); - return false; - } - } - break; - - default: - context->handleError(InvalidOperation()); - return false; - } - - const auto &format = tex->getFormat(tex->getTarget(), level); - if (format.info->compressed) - { - context->handleError(InvalidOperation()); - return false; - } - } - - return true; -} - -bool ValidateInvalidateFramebuffer(Context *context, - GLenum target, - GLsizei numAttachments, - const GLenum *attachments) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - bool defaultFramebuffer = false; - - switch (target) - { - case GL_DRAW_FRAMEBUFFER: - case GL_FRAMEBUFFER: - defaultFramebuffer = context->getGLState().getDrawFramebuffer()->id() == 0; - break; - case GL_READ_FRAMEBUFFER: - defaultFramebuffer = context->getGLState().getReadFramebuffer()->id() == 0; - break; - default: - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidFramebufferTarget); - return false; - } - - return ValidateDiscardFramebufferBase(context, target, numAttachments, attachments, - defaultFramebuffer); -} - -bool ValidateInvalidateSubFramebuffer(Context *context, - GLenum target, - GLsizei numAttachments, - const GLenum *attachments, - GLint x, - GLint y, - GLsizei width, - GLsizei height) -{ - return ValidateInvalidateFramebuffer(context, target, numAttachments, attachments); -} - -bool ValidateClearBuffer(ValidationContext *context) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (context->getGLState().getDrawFramebuffer()->checkStatus(context) != GL_FRAMEBUFFER_COMPLETE) - { - context->handleError(InvalidFramebufferOperation()); - return false; - } - - return true; -} - -bool ValidateDrawRangeElements(Context *context, - GLenum mode, - GLuint start, - GLuint end, - GLsizei count, - GLenum type, - const void *indices) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (end < start) - { - context->handleError(InvalidValue() << "end < start"); - return false; - } - - if (!ValidateDrawElementsCommon(context, mode, count, type, indices, 0)) - { - return false; - } - - // Use the parameter buffer to retrieve and cache the index range. - const auto ¶ms = context->getParams<HasIndexRange>(); - const auto &indexRangeOpt = params.getIndexRange(); - if (!indexRangeOpt.valid()) - { - // Unexpected error. - return false; - } - - if (indexRangeOpt.value().end > end || indexRangeOpt.value().start < start) - { - // GL spec says that behavior in this case is undefined - generating an error is fine. - context->handleError(InvalidOperation() << "Indices are out of the start, end range."); - return false; - } - return true; -} - -bool ValidateGetUniformuiv(Context *context, GLuint program, GLint location, GLuint *params) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateGetUniformBase(context, program, location); -} - -bool ValidateReadBuffer(Context *context, GLenum src) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - const Framebuffer *readFBO = context->getGLState().getReadFramebuffer(); - - if (readFBO == nullptr) - { - context->handleError(InvalidOperation() << "No active read framebuffer."); - return false; - } - - if (src == GL_NONE) - { - return true; - } - - if (src != GL_BACK && (src < GL_COLOR_ATTACHMENT0 || src > GL_COLOR_ATTACHMENT31)) - { - context->handleError(InvalidEnum() << "Unknown enum for 'src' in ReadBuffer"); - return false; - } - - if (readFBO->id() == 0) - { - if (src != GL_BACK) - { - context->handleError( - InvalidOperation() - << "'src' must be GL_NONE or GL_BACK when reading from the default framebuffer."); - return false; - } - } - else - { - GLuint drawBuffer = static_cast<GLuint>(src - GL_COLOR_ATTACHMENT0); - - if (drawBuffer >= context->getCaps().maxDrawBuffers) - { - context->handleError(InvalidOperation() << "'src' is greater than MAX_DRAW_BUFFERS."); - return false; - } - } - - return true; -} - -bool ValidateCompressedTexImage3D(Context *context, - GLenum target, - GLint level, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth, - GLint border, - GLsizei imageSize, - const void *data) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidTextureTarget(context, target)) - { - context->handleError(InvalidEnum()); - return false; - } - - // Validate image size - if (!ValidImageSizeParameters(context, target, level, width, height, depth, false)) - { - context->handleError(InvalidValue()); - return false; - } - - const InternalFormat &formatInfo = GetSizedInternalFormatInfo(internalformat); - if (!formatInfo.compressed) - { - context->handleError(InvalidEnum() << "Not a valid compressed texture format"); - return false; - } - - auto blockSizeOrErr = formatInfo.computeCompressedImageSize(gl::Extents(width, height, depth)); - if (blockSizeOrErr.isError()) - { - context->handleError(InvalidValue()); - return false; - } - if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSizeOrErr.getResult()) - { - context->handleError(InvalidValue()); - return false; - } - - // 3D texture target validation - if (target != GL_TEXTURE_3D && target != GL_TEXTURE_2D_ARRAY) - { - context->handleError(InvalidEnum() << "Must specify a valid 3D texture destination target"); - return false; - } - - // validateES3TexImageFormat sets the error code if there is an error - if (!ValidateES3TexImage3DParameters(context, target, level, internalformat, true, false, 0, 0, - 0, width, height, depth, border, GL_NONE, GL_NONE, -1, - data)) - { - return false; - } - - return true; -} - -bool ValidateCompressedTexImage3DRobustANGLE(Context *context, - GLenum target, - GLint level, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth, - GLint border, - GLsizei imageSize, - GLsizei dataSize, - const void *data) -{ - if (!ValidateRobustCompressedTexImageBase(context, imageSize, dataSize)) - { - return false; - } - - return ValidateCompressedTexImage3D(context, target, level, internalformat, width, height, - depth, border, imageSize, data); -} - -bool ValidateBindVertexArray(Context *context, GLuint array) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateBindVertexArrayBase(context, array); -} - -bool ValidateIsVertexArray(Context *context, GLuint array) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return true; -} - -static bool ValidateBindBufferCommon(Context *context, - BufferBinding target, - GLuint index, - GLuint buffer, - GLintptr offset, - GLsizeiptr size) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (buffer != 0 && offset < 0) - { - context->handleError(InvalidValue() << "buffer is non-zero and offset is negative."); - return false; - } - - if (!context->getGLState().isBindGeneratesResourceEnabled() && - !context->isBufferGenerated(buffer)) - { - context->handleError(InvalidOperation() << "Buffer was not generated."); - return false; - } - - const Caps &caps = context->getCaps(); - switch (target) - { - case BufferBinding::TransformFeedback: - { - if (index >= caps.maxTransformFeedbackSeparateAttributes) - { - context->handleError(InvalidValue() << "index is greater than or equal to the " - "number of TRANSFORM_FEEDBACK_BUFFER " - "indexed binding points."); - return false; - } - if (buffer != 0 && ((offset % 4) != 0 || (size % 4) != 0)) - { - context->handleError(InvalidValue() << "offset and size must be multiple of 4."); - return false; - } - - TransformFeedback *curTransformFeedback = - context->getGLState().getCurrentTransformFeedback(); - if (curTransformFeedback && curTransformFeedback->isActive()) - { - context->handleError(InvalidOperation() - << "target is TRANSFORM_FEEDBACK_BUFFER and transform " - "feedback is currently active."); - return false; - } - break; - } - case BufferBinding::Uniform: - { - if (index >= caps.maxUniformBufferBindings) - { - context->handleError(InvalidValue() << "index is greater than or equal to the " - "number of UNIFORM_BUFFER indexed " - "binding points."); - return false; - } - - if (buffer != 0 && (offset % caps.uniformBufferOffsetAlignment) != 0) - { - context->handleError( - InvalidValue() - << "offset must be multiple of value of UNIFORM_BUFFER_OFFSET_ALIGNMENT."); - return false; - } - break; - } - case BufferBinding::AtomicCounter: - { - if (context->getClientVersion() < ES_3_1) - { - context->handleError(InvalidEnum() - << "ATOMIC_COUNTER_BUFFER is not supported before GLES 3.1"); - return false; - } - if (index >= caps.maxAtomicCounterBufferBindings) - { - context->handleError(InvalidValue() << "index is greater than or equal to the " - "number of ATOMIC_COUNTER_BUFFER " - "indexed binding points."); - return false; - } - if (buffer != 0 && (offset % 4) != 0) - { - context->handleError(InvalidValue() << "offset must be a multiple of 4."); - return false; - } - break; - } - case BufferBinding::ShaderStorage: - { - if (context->getClientVersion() < ES_3_1) - { - context->handleError(InvalidEnum() - << "SHADER_STORAGE_BUFFER is not supported in GLES3."); - return false; - } - if (index >= caps.maxShaderStorageBufferBindings) - { - context->handleError(InvalidValue() << "index is greater than or equal to the " - "number of SHADER_STORAGE_BUFFER " - "indexed binding points."); - return false; - } - if (buffer != 0 && (offset % caps.shaderStorageBufferOffsetAlignment) != 0) - { - context->handleError(InvalidValue() << "offset must be multiple of value of " - "SHADER_STORAGE_BUFFER_OFFSET_" - "ALIGNMENT."); - return false; - } - break; - } - default: - context->handleError(InvalidEnum() << "the target is not supported."); - return false; - } - - return true; -} - -bool ValidateBindBufferBase(Context *context, BufferBinding target, GLuint index, GLuint buffer) -{ - return ValidateBindBufferCommon(context, target, index, buffer, 0, 0); -} - -bool ValidateBindBufferRange(Context *context, - BufferBinding target, - GLuint index, - GLuint buffer, - GLintptr offset, - GLsizeiptr size) -{ - if (buffer != 0 && size <= 0) - { - context->handleError(InvalidValue() - << "buffer is non-zero and size is less than or equal to zero."); - return false; - } - return ValidateBindBufferCommon(context, target, index, buffer, offset, size); -} - -bool ValidateProgramBinary(Context *context, - GLuint program, - GLenum binaryFormat, - const void *binary, - GLint length) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateProgramBinaryBase(context, program, binaryFormat, binary, length); -} - -bool ValidateGetProgramBinary(Context *context, - GLuint program, - GLsizei bufSize, - GLsizei *length, - GLenum *binaryFormat, - void *binary) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateGetProgramBinaryBase(context, program, bufSize, length, binaryFormat, binary); -} - -bool ValidateProgramParameteri(Context *context, GLuint program, GLenum pname, GLint value) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (GetValidProgram(context, program) == nullptr) - { - return false; - } - - switch (pname) - { - case GL_PROGRAM_BINARY_RETRIEVABLE_HINT: - if (value != GL_FALSE && value != GL_TRUE) - { - context->handleError(InvalidValue() - << "Invalid value, expected GL_FALSE or GL_TRUE: " << value); - return false; - } - break; - - case GL_PROGRAM_SEPARABLE: - if (context->getClientVersion() < ES_3_1) - { - context->handleError(InvalidEnum() - << "PROGRAM_SEPARABLE is not supported before GLES 3.1"); - return false; - } - - if (value != GL_FALSE && value != GL_TRUE) - { - context->handleError(InvalidValue() - << "Invalid value, expected GL_FALSE or GL_TRUE: " << value); - return false; - } - break; - - default: - context->handleError(InvalidEnum() - << "Invalid pname: 0x" << std::hex << std::uppercase << pname); - return false; - } - - return true; -} - -bool ValidateBlitFramebuffer(Context *context, - GLint srcX0, - GLint srcY0, - GLint srcX1, - GLint srcY1, - GLint dstX0, - GLint dstY0, - GLint dstX1, - GLint dstY1, - GLbitfield mask, - GLenum filter) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateBlitFramebufferParameters(context, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, - dstX1, dstY1, mask, filter); -} - -bool ValidateClearBufferiv(ValidationContext *context, - GLenum buffer, - GLint drawbuffer, - const GLint *value) -{ - switch (buffer) - { - case GL_COLOR: - if (drawbuffer < 0 || - static_cast<GLuint>(drawbuffer) >= context->getCaps().maxDrawBuffers) - { - context->handleError(InvalidValue()); - return false; - } - if (context->getExtensions().webglCompatibility) - { - constexpr GLenum validComponentTypes[] = {GL_INT}; - if (!ValidateWebGLFramebufferAttachmentClearType( - context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) - { - return false; - } - } - break; - - case GL_STENCIL: - if (drawbuffer != 0) - { - context->handleError(InvalidValue()); - return false; - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - return ValidateClearBuffer(context); -} - -bool ValidateClearBufferuiv(ValidationContext *context, - GLenum buffer, - GLint drawbuffer, - const GLuint *value) -{ - switch (buffer) - { - case GL_COLOR: - if (drawbuffer < 0 || - static_cast<GLuint>(drawbuffer) >= context->getCaps().maxDrawBuffers) - { - context->handleError(InvalidValue()); - return false; - } - if (context->getExtensions().webglCompatibility) - { - constexpr GLenum validComponentTypes[] = {GL_UNSIGNED_INT}; - if (!ValidateWebGLFramebufferAttachmentClearType( - context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) - { - return false; - } - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - return ValidateClearBuffer(context); -} - -bool ValidateClearBufferfv(ValidationContext *context, - GLenum buffer, - GLint drawbuffer, - const GLfloat *value) -{ - switch (buffer) - { - case GL_COLOR: - if (drawbuffer < 0 || - static_cast<GLuint>(drawbuffer) >= context->getCaps().maxDrawBuffers) - { - context->handleError(InvalidValue()); - return false; - } - if (context->getExtensions().webglCompatibility) - { - constexpr GLenum validComponentTypes[] = {GL_FLOAT, GL_UNSIGNED_NORMALIZED, - GL_SIGNED_NORMALIZED}; - if (!ValidateWebGLFramebufferAttachmentClearType( - context, drawbuffer, validComponentTypes, ArraySize(validComponentTypes))) - { - return false; - } - } - break; - - case GL_DEPTH: - if (drawbuffer != 0) - { - context->handleError(InvalidValue()); - return false; - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - return ValidateClearBuffer(context); -} - -bool ValidateClearBufferfi(ValidationContext *context, - GLenum buffer, - GLint drawbuffer, - GLfloat depth, - GLint stencil) -{ - switch (buffer) - { - case GL_DEPTH_STENCIL: - if (drawbuffer != 0) - { - context->handleError(InvalidValue()); - return false; - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - return ValidateClearBuffer(context); -} - -bool ValidateDrawBuffers(ValidationContext *context, GLsizei n, const GLenum *bufs) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateDrawBuffersBase(context, n, bufs); -} - -bool ValidateCopyTexSubImage3D(Context *context, - GLenum target, - GLint level, - GLint xoffset, - GLint yoffset, - GLint zoffset, - GLint x, - GLint y, - GLsizei width, - GLsizei height) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateES3CopyTexImage3DParameters(context, target, level, GL_NONE, true, xoffset, - yoffset, zoffset, x, y, width, height, 0); -} - -bool ValidateTexImage3D(Context *context, - GLenum target, - GLint level, - GLint internalformat, - GLsizei width, - GLsizei height, - GLsizei depth, - GLint border, - GLenum format, - GLenum type, - const void *pixels) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0, - 0, 0, width, height, depth, border, format, type, -1, - pixels); -} - -bool ValidateTexImage3DRobustANGLE(Context *context, - GLenum target, - GLint level, - GLint internalformat, - GLsizei width, - GLsizei height, - GLsizei depth, - GLint border, - GLenum format, - GLenum type, - GLsizei bufSize, - const void *pixels) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateRobustEntryPoint(context, bufSize)) - { - return false; - } - - return ValidateES3TexImage3DParameters(context, target, level, internalformat, false, false, 0, - 0, 0, width, height, depth, border, format, type, - bufSize, pixels); -} - -bool ValidateTexSubImage3D(Context *context, - GLenum target, - GLint level, - GLint xoffset, - GLint yoffset, - GLint zoffset, - GLsizei width, - GLsizei height, - GLsizei depth, - GLenum format, - GLenum type, - const void *pixels) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset, - yoffset, zoffset, width, height, depth, 0, format, type, - -1, pixels); -} - -bool ValidateTexSubImage3DRobustANGLE(Context *context, - GLenum target, - GLint level, - GLint xoffset, - GLint yoffset, - GLint zoffset, - GLsizei width, - GLsizei height, - GLsizei depth, - GLenum format, - GLenum type, - GLsizei bufSize, - const void *pixels) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateRobustEntryPoint(context, bufSize)) - { - return false; - } - - return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, false, true, xoffset, - yoffset, zoffset, width, height, depth, 0, format, type, - bufSize, pixels); -} - -bool ValidateCompressedTexSubImage3D(Context *context, - GLenum target, - GLint level, - GLint xoffset, - GLint yoffset, - GLint zoffset, - GLsizei width, - GLsizei height, - GLsizei depth, - GLenum format, - GLsizei imageSize, - const void *data) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - const InternalFormat &formatInfo = GetSizedInternalFormatInfo(format); - if (!formatInfo.compressed) - { - context->handleError(InvalidEnum() << "Not a valid compressed texture format"); - return false; - } - - auto blockSizeOrErr = formatInfo.computeCompressedImageSize(gl::Extents(width, height, depth)); - if (blockSizeOrErr.isError()) - { - context->handleError(blockSizeOrErr.getError()); - return false; - } - if (imageSize < 0 || static_cast<GLuint>(imageSize) != blockSizeOrErr.getResult()) - { - context->handleError(InvalidValue()); - return false; - } - - if (!data) - { - context->handleError(InvalidValue()); - return false; - } - - return ValidateES3TexImage3DParameters(context, target, level, GL_NONE, true, true, xoffset, - yoffset, zoffset, width, height, depth, 0, format, - GL_NONE, -1, data); -} -bool ValidateCompressedTexSubImage3DRobustANGLE(Context *context, - GLenum target, - GLint level, - GLint xoffset, - GLint yoffset, - GLint zoffset, - GLsizei width, - GLsizei height, - GLsizei depth, - GLenum format, - GLsizei imageSize, - GLsizei dataSize, - const void *data) -{ - if (!ValidateRobustCompressedTexImageBase(context, imageSize, dataSize)) - { - return false; - } - - return ValidateCompressedTexSubImage3D(context, target, level, xoffset, yoffset, zoffset, width, - height, depth, format, imageSize, data); -} - -bool ValidateGenQueries(Context *context, GLint n, GLuint *) -{ - return ValidateGenOrDeleteES3(context, n); -} - -bool ValidateDeleteQueries(Context *context, GLint n, const GLuint *) -{ - return ValidateGenOrDeleteES3(context, n); -} - -bool ValidateGenSamplers(Context *context, GLint count, GLuint *) -{ - return ValidateGenOrDeleteCountES3(context, count); -} - -bool ValidateDeleteSamplers(Context *context, GLint count, const GLuint *) -{ - return ValidateGenOrDeleteCountES3(context, count); -} - -bool ValidateGenTransformFeedbacks(Context *context, GLint n, GLuint *) -{ - return ValidateGenOrDeleteES3(context, n); -} - -bool ValidateDeleteTransformFeedbacks(Context *context, GLint n, const GLuint *ids) -{ - if (!ValidateGenOrDeleteES3(context, n)) - { - return false; - } - for (GLint i = 0; i < n; ++i) - { - auto *transformFeedback = context->getTransformFeedback(ids[i]); - if (transformFeedback != nullptr && transformFeedback->isActive()) - { - // ES 3.0.4 section 2.15.1 page 86 - context->handleError(InvalidOperation() - << "Attempt to delete active transform feedback."); - return false; - } - } - return true; -} - -bool ValidateGenVertexArrays(Context *context, GLint n, GLuint *) -{ - return ValidateGenOrDeleteES3(context, n); -} - -bool ValidateDeleteVertexArrays(Context *context, GLint n, const GLuint *) -{ - return ValidateGenOrDeleteES3(context, n); -} - -bool ValidateBeginTransformFeedback(Context *context, GLenum primitiveMode) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - switch (primitiveMode) - { - case GL_TRIANGLES: - case GL_LINES: - case GL_POINTS: - break; - - default: - context->handleError(InvalidEnum() << "Invalid primitive mode."); - return false; - } - - TransformFeedback *transformFeedback = context->getGLState().getCurrentTransformFeedback(); - ASSERT(transformFeedback != nullptr); - - if (transformFeedback->isActive()) - { - context->handleError(InvalidOperation() << "Transform feedback is already active."); - return false; - } - - for (size_t i = 0; i < transformFeedback->getIndexedBufferCount(); i++) - { - const auto &buffer = transformFeedback->getIndexedBuffer(i); - if (buffer.get() && buffer->isMapped()) - { - context->handleError(InvalidOperation() << "Transform feedback has a mapped buffer."); - return false; - } - } - - Program *program = context->getGLState().getProgram(); - - if (!program) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ProgramNotBound); - return false; - } - - if (program->getTransformFeedbackVaryingCount() == 0) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), NoTransformFeedbackOutputVariables); - return false; - } - - return true; -} - -bool ValidateGetBufferPointerv(Context *context, BufferBinding target, GLenum pname, void **params) -{ - return ValidateGetBufferPointervBase(context, target, pname, nullptr, params); -} - -bool ValidateGetBufferPointervRobustANGLE(Context *context, - BufferBinding target, - GLenum pname, - GLsizei bufSize, - GLsizei *length, - void **params) -{ - if (!ValidateRobustEntryPoint(context, bufSize)) - { - return false; - } - - if (!ValidateGetBufferPointervBase(context, target, pname, length, params)) - { - return false; - } - - if (!ValidateRobustBufferSize(context, bufSize, *length)) - { - return false; - } - - return true; -} - -bool ValidateUnmapBuffer(Context *context, BufferBinding target) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateUnmapBufferBase(context, target); -} - -bool ValidateMapBufferRange(Context *context, - BufferBinding target, - GLintptr offset, - GLsizeiptr length, - GLbitfield access) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateMapBufferRangeBase(context, target, offset, length, access); -} - -bool ValidateFlushMappedBufferRange(Context *context, - BufferBinding target, - GLintptr offset, - GLsizeiptr length) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateFlushMappedBufferRangeBase(context, target, offset, length); -} - -bool ValidateIndexedStateQuery(ValidationContext *context, - GLenum pname, - GLuint index, - GLsizei *length) -{ - if (length) - { - *length = 0; - } - - GLenum nativeType; - unsigned int numParams; - if (!context->getIndexedQueryParameterInfo(pname, &nativeType, &numParams)) - { - context->handleError(InvalidEnum()); - return false; - } - - const Caps &caps = context->getCaps(); - switch (pname) - { - case GL_TRANSFORM_FEEDBACK_BUFFER_START: - case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE: - case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: - if (index >= caps.maxTransformFeedbackSeparateAttributes) - { - context->handleError(InvalidValue()); - return false; - } - break; - - case GL_UNIFORM_BUFFER_START: - case GL_UNIFORM_BUFFER_SIZE: - case GL_UNIFORM_BUFFER_BINDING: - if (index >= caps.maxUniformBufferBindings) - { - context->handleError(InvalidValue()); - return false; - } - break; - - case GL_MAX_COMPUTE_WORK_GROUP_SIZE: - case GL_MAX_COMPUTE_WORK_GROUP_COUNT: - if (index >= 3u) - { - context->handleError(InvalidValue()); - return false; - } - break; - - case GL_ATOMIC_COUNTER_BUFFER_START: - case GL_ATOMIC_COUNTER_BUFFER_SIZE: - case GL_ATOMIC_COUNTER_BUFFER_BINDING: - if (context->getClientVersion() < ES_3_1) - { - context->handleError( - InvalidEnum() - << "Atomic Counter buffers are not supported in this version of GL"); - return false; - } - if (index >= caps.maxAtomicCounterBufferBindings) - { - context->handleError( - InvalidValue() - << "index is outside the valid range for GL_ATOMIC_COUNTER_BUFFER_BINDING"); - return false; - } - break; - - case GL_SHADER_STORAGE_BUFFER_START: - case GL_SHADER_STORAGE_BUFFER_SIZE: - case GL_SHADER_STORAGE_BUFFER_BINDING: - if (context->getClientVersion() < ES_3_1) - { - context->handleError( - InvalidEnum() - << "Shader storage buffers are not supported in this version of GL"); - return false; - } - if (index >= caps.maxShaderStorageBufferBindings) - { - context->handleError( - InvalidValue() - << "index is outside the valid range for GL_SHADER_STORAGE_BUFFER_BINDING"); - return false; - } - break; - - case GL_VERTEX_BINDING_BUFFER: - case GL_VERTEX_BINDING_DIVISOR: - case GL_VERTEX_BINDING_OFFSET: - case GL_VERTEX_BINDING_STRIDE: - if (context->getClientVersion() < ES_3_1) - { - context->handleError( - InvalidEnum() - << "Vertex Attrib Bindings are not supported in this version of GL"); - return false; - } - if (index >= caps.maxVertexAttribBindings) - { - context->handleError( - InvalidValue() - << "bindingindex must be smaller than MAX_VERTEX_ATTRIB_BINDINGS."); - return false; - } - break; - case GL_SAMPLE_MASK_VALUE: - if (context->getClientVersion() < ES_3_1) - { - ANGLE_VALIDATION_ERR(context, InvalidEnum(), EnumRequiresGLES31); - return false; - } - if (index >= caps.maxSampleMaskWords) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), InvalidSampleMaskNumber); - return false; - } - break; - default: - context->handleError(InvalidEnum()); - return false; - } - - if (length) - { - *length = 1; - } - - return true; -} - -bool ValidateGetIntegeri_v(ValidationContext *context, GLenum target, GLuint index, GLint *data) -{ - if (context->getClientVersion() < ES_3_0) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - return ValidateIndexedStateQuery(context, target, index, nullptr); -} - -bool ValidateGetIntegeri_vRobustANGLE(ValidationContext *context, - GLenum target, - GLuint index, - GLsizei bufSize, - GLsizei *length, - GLint *data) -{ - if (context->getClientVersion() < ES_3_0) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateRobustEntryPoint(context, bufSize)) - { - return false; - } - - if (!ValidateIndexedStateQuery(context, target, index, length)) - { - return false; - } - - if (!ValidateRobustBufferSize(context, bufSize, *length)) - { - return false; - } - - return true; -} - -bool ValidateGetInteger64i_v(ValidationContext *context, GLenum target, GLuint index, GLint64 *data) -{ - if (context->getClientVersion() < ES_3_0) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - return ValidateIndexedStateQuery(context, target, index, nullptr); -} - -bool ValidateGetInteger64i_vRobustANGLE(ValidationContext *context, - GLenum target, - GLuint index, - GLsizei bufSize, - GLsizei *length, - GLint64 *data) -{ - if (context->getClientVersion() < ES_3_0) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateRobustEntryPoint(context, bufSize)) - { - return false; - } - - if (!ValidateIndexedStateQuery(context, target, index, length)) - { - return false; - } - - if (!ValidateRobustBufferSize(context, bufSize, *length)) - { - return false; - } - - return true; -} - -bool ValidateCopyBufferSubData(ValidationContext *context, - BufferBinding readTarget, - BufferBinding writeTarget, - GLintptr readOffset, - GLintptr writeOffset, - GLsizeiptr size) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidBufferType(context, readTarget) || !ValidBufferType(context, writeTarget)) - { - context->handleError(InvalidEnum() << "Invalid buffer target"); - return false; - } - - Buffer *readBuffer = context->getGLState().getTargetBuffer(readTarget); - Buffer *writeBuffer = context->getGLState().getTargetBuffer(writeTarget); - - if (!readBuffer || !writeBuffer) - { - context->handleError(InvalidOperation() << "No buffer bound to target"); - return false; - } - - // Verify that readBuffer and writeBuffer are not currently mapped - if (readBuffer->isMapped() || writeBuffer->isMapped()) - { - context->handleError(InvalidOperation() - << "Cannot call CopyBufferSubData on a mapped buffer"); - return false; - } - - CheckedNumeric<GLintptr> checkedReadOffset(readOffset); - CheckedNumeric<GLintptr> checkedWriteOffset(writeOffset); - CheckedNumeric<GLintptr> checkedSize(size); - - auto checkedReadSum = checkedReadOffset + checkedSize; - auto checkedWriteSum = checkedWriteOffset + checkedSize; - - if (!checkedReadSum.IsValid() || !checkedWriteSum.IsValid() || - !IsValueInRangeForNumericType<GLintptr>(readBuffer->getSize()) || - !IsValueInRangeForNumericType<GLintptr>(writeBuffer->getSize())) - { - context->handleError(InvalidValue() << "Integer overflow when validating copy offsets."); - return false; - } - - if (readOffset < 0 || writeOffset < 0 || size < 0) - { - context->handleError(InvalidValue() - << "readOffset, writeOffset and size must all be non-negative"); - return false; - } - - if (checkedReadSum.ValueOrDie() > readBuffer->getSize() || - checkedWriteSum.ValueOrDie() > writeBuffer->getSize()) - { - context->handleError(InvalidValue() << "Buffer offset overflow in CopyBufferSubData"); - return false; - } - - if (readBuffer == writeBuffer) - { - auto checkedOffsetDiff = (checkedReadOffset - checkedWriteOffset).Abs(); - if (!checkedOffsetDiff.IsValid()) - { - // This shold not be possible. - UNREACHABLE(); - context->handleError(InvalidValue() - << "Integer overflow when validating same buffer copy."); - return false; - } - - if (checkedOffsetDiff.ValueOrDie() < size) - { - context->handleError(InvalidValue()); - return false; - } - } - - return true; -} - -bool ValidateGetStringi(Context *context, GLenum name, GLuint index) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - switch (name) - { - case GL_EXTENSIONS: - if (index >= context->getExtensionStringCount()) - { - context->handleError(InvalidValue() - << "index must be less than the number of extension strings."); - return false; - } - break; - - case GL_REQUESTABLE_EXTENSIONS_ANGLE: - if (!context->getExtensions().requestExtension) - { - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidName); - return false; - } - if (index >= context->getRequestableExtensionStringCount()) - { - context->handleError( - InvalidValue() - << "index must be less than the number of requestable extension strings."); - return false; - } - break; - - default: - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidName); - return false; - } - - return true; -} - -bool ValidateRenderbufferStorageMultisample(ValidationContext *context, - GLenum target, - GLsizei samples, - GLenum internalformat, - GLsizei width, - GLsizei height) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateRenderbufferStorageParametersBase(context, target, samples, internalformat, width, - height)) - { - return false; - } - - // The ES3 spec(section 4.4.2) states that the internal format must be sized and not an integer - // format if samples is greater than zero. - const gl::InternalFormat &formatInfo = gl::GetSizedInternalFormatInfo(internalformat); - if ((formatInfo.componentType == GL_UNSIGNED_INT || formatInfo.componentType == GL_INT) && - samples > 0) - { - context->handleError(InvalidOperation()); - return false; - } - - // The behavior is different than the ANGLE version, which would generate a GL_OUT_OF_MEMORY. - const TextureCaps &formatCaps = context->getTextureCaps().get(internalformat); - if (static_cast<GLuint>(samples) > formatCaps.getMaxSamples()) - { - context->handleError( - InvalidOperation() - << "Samples must not be greater than maximum supported value for the format."); - return false; - } - - return true; -} - -bool ValidateVertexAttribIPointer(ValidationContext *context, - GLuint index, - GLint size, - GLenum type, - GLsizei stride, - const void *pointer) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateVertexFormatBase(context, index, size, type, true)) - { - return false; - } - - if (stride < 0) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), NegativeStride); - return false; - } - - const Caps &caps = context->getCaps(); - if (context->getClientVersion() >= ES_3_1) - { - if (stride > caps.maxVertexAttribStride) - { - context->handleError(InvalidValue() - << "stride cannot be greater than MAX_VERTEX_ATTRIB_STRIDE."); - return false; - } - - // [OpenGL ES 3.1] Section 10.3.1 page 245: - // glVertexAttribBinding is part of the equivalent code of VertexAttribIPointer, so its - // validation should be inherited. - if (index >= caps.maxVertexAttribBindings) - { - context->handleError(InvalidValue() - << "index must be smaller than MAX_VERTEX_ATTRIB_BINDINGS."); - return false; - } - } - - // [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->getGLState().getVertexArrayId() != 0 && - context->getGLState().getTargetBuffer(BufferBinding::Array) == 0 && pointer != nullptr) - { - context - ->handleError(InvalidOperation() - << "Client data cannot be used with a non-default vertex array object."); - return false; - } - - if (context->getExtensions().webglCompatibility) - { - if (!ValidateWebGLVertexAttribPointer(context, type, false, stride, pointer, true)) - { - return false; - } - } - - return true; -} - -bool ValidateGetSynciv(Context *context, - GLsync sync, - GLenum pname, - GLsizei bufSize, - GLsizei *length, - GLint *values) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (bufSize < 0) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), NegativeBufferSize); - return false; - } - - Sync *syncObject = context->getSync(sync); - if (!syncObject) - { - context->handleError(InvalidValue() << "Invalid sync object."); - return false; - } - - switch (pname) - { - case GL_OBJECT_TYPE: - case GL_SYNC_CONDITION: - case GL_SYNC_FLAGS: - case GL_SYNC_STATUS: - break; - - default: - ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidPname); - return false; - } - - return true; -} - -bool ValidateDrawElementsInstanced(ValidationContext *context, - GLenum mode, - GLsizei count, - GLenum type, - const void *indices, - GLsizei instanceCount) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateDrawElementsInstancedCommon(context, mode, count, type, indices, instanceCount); -} - -bool ValidateFramebufferTextureMultiviewLayeredANGLE(Context *context, - GLenum target, - GLenum attachment, - GLuint texture, - GLint level, - GLint baseViewIndex, - GLsizei numViews) -{ - - if (!ValidateFramebufferTextureMultiviewBaseANGLE(context, target, attachment, texture, level, - numViews)) - { - return false; - } - - if (texture != 0) - { - if (baseViewIndex < 0) - { - context->handleError(InvalidValue() << "baseViewIndex cannot be less than 0."); - return false; - } - - Texture *tex = context->getTexture(texture); - ASSERT(tex); - - switch (tex->getTarget()) - { - case GL_TEXTURE_2D_ARRAY: - { - const Caps &caps = context->getCaps(); - if (static_cast<GLuint>(baseViewIndex + numViews) > caps.maxArrayTextureLayers) - { - context->handleError(InvalidValue() << "baseViewIndex+numViews cannot be " - "greater than " - "GL_MAX_ARRAY_TEXTURE_LAYERS."); - return false; - } - } - break; - default: - context->handleError(InvalidOperation() - << "Texture's target must be GL_TEXTURE_2D_ARRAY."); - return false; - } - - if (!ValidateFramebufferTextureMultiviewLevelAndFormat(context, tex, level)) - { - return false; - } - } - - return true; -} - -bool ValidateFramebufferTextureMultiviewSideBySideANGLE(Context *context, - GLenum target, - GLenum attachment, - GLuint texture, - GLint level, - GLsizei numViews, - const GLint *viewportOffsets) -{ - if (!ValidateFramebufferTextureMultiviewBaseANGLE(context, target, attachment, texture, level, - numViews)) - { - return false; - } - - if (texture != 0) - { - const GLsizei numViewportOffsetValues = numViews * 2; - for (GLsizei i = 0; i < numViewportOffsetValues; ++i) - { - if (viewportOffsets[i] < 0) - { - context->handleError(InvalidValue() - << "viewportOffsets cannot contain negative values."); - return false; - } - } - - Texture *tex = context->getTexture(texture); - ASSERT(tex); - - switch (tex->getTarget()) - { - case GL_TEXTURE_2D: - break; - default: - context->handleError(InvalidOperation() - << "Texture's target must be GL_TEXTURE_2D."); - return false; - } - - if (!ValidateFramebufferTextureMultiviewLevelAndFormat(context, tex, level)) - { - return false; - } - } - - return true; -} - -bool ValidateUniform1ui(Context *context, GLint location, GLuint v0) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT, location, 1); -} - -bool ValidateUniform2ui(Context *context, GLint location, GLuint v0, GLuint v1) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC2, location, 1); -} - -bool ValidateUniform3ui(Context *context, GLint location, GLuint v0, GLuint v1, GLuint v2) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC3, location, 1); -} - -bool ValidateUniform4ui(Context *context, - GLint location, - GLuint v0, - GLuint v1, - GLuint v2, - GLuint v3) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC4, location, 1); -} - -bool ValidateUniform1uiv(Context *context, GLint location, GLsizei count, const GLuint *value) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT, location, count); -} - -bool ValidateUniform2uiv(Context *context, GLint location, GLsizei count, const GLuint *value) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC2, location, count); -} - -bool ValidateUniform3uiv(Context *context, GLint location, GLsizei count, const GLuint *value) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC3, location, count); -} - -bool ValidateUniform4uiv(Context *context, GLint location, GLsizei count, const GLuint *value) -{ - return ValidateUniformES3(context, GL_UNSIGNED_INT_VEC4, location, count); -} - -bool ValidateIsQuery(Context *context, GLuint id) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return true; -} - -bool ValidateUniformMatrix2x3fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT2x3, location, count, transpose); -} - -bool ValidateUniformMatrix3x2fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT3x2, location, count, transpose); -} - -bool ValidateUniformMatrix2x4fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT2x4, location, count, transpose); -} - -bool ValidateUniformMatrix4x2fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT4x2, location, count, transpose); -} - -bool ValidateUniformMatrix3x4fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT3x4, location, count, transpose); -} - -bool ValidateUniformMatrix4x3fv(Context *context, - GLint location, - GLsizei count, - GLboolean transpose, - const GLfloat *value) -{ - return ValidateUniformMatrixES3(context, GL_FLOAT_MAT4x3, location, count, transpose); -} - -bool ValidateEndTransformFeedback(Context *context) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - TransformFeedback *transformFeedback = context->getGLState().getCurrentTransformFeedback(); - ASSERT(transformFeedback != nullptr); - - if (!transformFeedback->isActive()) - { - context->handleError(InvalidOperation()); - return false; - } - - return true; -} - -bool ValidateTransformFeedbackVaryings(Context *context, - GLuint program, - GLsizei count, - const GLchar *const *varyings, - GLenum bufferMode) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (count < 0) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), NegativeCount); - return false; - } - - switch (bufferMode) - { - case GL_INTERLEAVED_ATTRIBS: - break; - case GL_SEPARATE_ATTRIBS: - { - const Caps &caps = context->getCaps(); - if (static_cast<GLuint>(count) > caps.maxTransformFeedbackSeparateAttributes) - { - context->handleError(InvalidValue()); - return false; - } - break; - } - default: - context->handleError(InvalidEnum()); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - return true; -} - -bool ValidateGetTransformFeedbackVarying(Context *context, - GLuint program, - GLuint index, - GLsizei bufSize, - GLsizei *length, - GLsizei *size, - GLenum *type, - GLchar *name) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (bufSize < 0) - { - ANGLE_VALIDATION_ERR(context, InvalidValue(), NegativeBufferSize); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - if (index >= static_cast<GLuint>(programObject->getTransformFeedbackVaryingCount())) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateBindTransformFeedback(Context *context, GLenum target, GLuint id) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - switch (target) - { - case GL_TRANSFORM_FEEDBACK: - { - // Cannot bind a transform feedback object if the current one is started and not - // paused (3.0.2 pg 85 section 2.14.1) - TransformFeedback *curTransformFeedback = - context->getGLState().getCurrentTransformFeedback(); - if (curTransformFeedback && curTransformFeedback->isActive() && - !curTransformFeedback->isPaused()) - { - context->handleError(InvalidOperation()); - return false; - } - - // Cannot bind a transform feedback object that does not exist (3.0.2 pg 85 section - // 2.14.1) - if (!context->isTransformFeedbackGenerated(id)) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), TransformFeedbackDoesNotExist); - return false; - } - } - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - return true; -} - -bool ValidateIsTransformFeedback(Context *context, GLuint id) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return true; -} - -bool ValidatePauseTransformFeedback(Context *context) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - TransformFeedback *transformFeedback = context->getGLState().getCurrentTransformFeedback(); - ASSERT(transformFeedback != nullptr); - - // Current transform feedback must be active and not paused in order to pause (3.0.2 pg 86) - if (!transformFeedback->isActive() || transformFeedback->isPaused()) - { - context->handleError(InvalidOperation()); - return false; - } - - return true; -} - -bool ValidateResumeTransformFeedback(Context *context) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - TransformFeedback *transformFeedback = context->getGLState().getCurrentTransformFeedback(); - ASSERT(transformFeedback != nullptr); - - // Current transform feedback must be active and paused in order to resume (3.0.2 pg 86) - if (!transformFeedback->isActive() || !transformFeedback->isPaused()) - { - context->handleError(InvalidOperation()); - return false; - } - - return true; -} - -bool ValidateVertexAttribI4i(Context *context, GLuint index, GLint x, GLint y, GLint z, GLint w) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateVertexAttribIndex(context, index); -} - -bool ValidateVertexAttribI4ui(Context *context, - GLuint index, - GLuint x, - GLuint y, - GLuint z, - GLuint w) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateVertexAttribIndex(context, index); -} - -bool ValidateVertexAttribI4iv(Context *context, GLuint index, const GLint *v) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateVertexAttribIndex(context, index); -} - -bool ValidateVertexAttribI4uiv(Context *context, GLuint index, const GLuint *v) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateVertexAttribIndex(context, index); -} - -bool ValidateGetFragDataLocation(Context *context, GLuint program, const GLchar *name) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - if (!programObject->isLinked()) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ProgramNotLinked); - return false; - } - - return true; -} - -bool ValidateGetUniformIndices(Context *context, - GLuint program, - GLsizei uniformCount, - const GLchar *const *uniformNames, - GLuint *uniformIndices) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (uniformCount < 0) - { - context->handleError(InvalidValue()); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - return true; -} - -bool ValidateGetActiveUniformsiv(Context *context, - GLuint program, - GLsizei uniformCount, - const GLuint *uniformIndices, - GLenum pname, - GLint *params) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (uniformCount < 0) - { - context->handleError(InvalidValue()); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - switch (pname) - { - case GL_UNIFORM_TYPE: - case GL_UNIFORM_SIZE: - case GL_UNIFORM_NAME_LENGTH: - case GL_UNIFORM_BLOCK_INDEX: - case GL_UNIFORM_OFFSET: - case GL_UNIFORM_ARRAY_STRIDE: - case GL_UNIFORM_MATRIX_STRIDE: - case GL_UNIFORM_IS_ROW_MAJOR: - break; - - default: - context->handleError(InvalidEnum()); - return false; - } - - if (uniformCount > programObject->getActiveUniformCount()) - { - context->handleError(InvalidValue()); - return false; - } - - for (int uniformId = 0; uniformId < uniformCount; uniformId++) - { - const GLuint index = uniformIndices[uniformId]; - - if (index >= static_cast<GLuint>(programObject->getActiveUniformCount())) - { - context->handleError(InvalidValue()); - return false; - } - } - - return true; -} - -bool ValidateGetUniformBlockIndex(Context *context, GLuint program, const GLchar *uniformBlockName) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - return true; -} - -bool ValidateGetActiveUniformBlockiv(Context *context, - GLuint program, - GLuint uniformBlockIndex, - GLenum pname, - GLint *params) -{ - return ValidateGetActiveUniformBlockivBase(context, program, uniformBlockIndex, pname, nullptr); -} - -bool ValidateGetActiveUniformBlockName(Context *context, - GLuint program, - GLuint uniformBlockIndex, - GLsizei bufSize, - GLsizei *length, - GLchar *uniformBlockName) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - if (uniformBlockIndex >= programObject->getActiveUniformBlockCount()) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateUniformBlockBinding(Context *context, - GLuint program, - GLuint uniformBlockIndex, - GLuint uniformBlockBinding) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (uniformBlockBinding >= context->getCaps().maxUniformBufferBindings) - { - context->handleError(InvalidValue()); - return false; - } - - Program *programObject = GetValidProgram(context, program); - if (!programObject) - { - return false; - } - - // if never linked, there won't be any uniform blocks - if (uniformBlockIndex >= programObject->getActiveUniformBlockCount()) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateDrawArraysInstanced(Context *context, - GLenum mode, - GLint first, - GLsizei count, - GLsizei primcount) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateDrawArraysInstancedBase(context, mode, first, count, primcount); -} - -bool ValidateFenceSync(Context *context, GLenum condition, GLbitfield flags) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE) - { - context->handleError(InvalidEnum()); - return false; - } - - if (flags != 0) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateIsSync(Context *context, GLsync sync) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return true; -} - -bool ValidateDeleteSync(Context *context, GLsync sync) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (sync != static_cast<GLsync>(0) && !context->getSync(sync)) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateClientWaitSync(Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if ((flags & ~(GL_SYNC_FLUSH_COMMANDS_BIT)) != 0) - { - context->handleError(InvalidValue()); - return false; - } - - Sync *clientWaitSync = context->getSync(sync); - if (!clientWaitSync) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateWaitSync(Context *context, GLsync sync, GLbitfield flags, GLuint64 timeout) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (flags != 0) - { - context->handleError(InvalidValue()); - return false; - } - - if (timeout != GL_TIMEOUT_IGNORED) - { - context->handleError(InvalidValue()); - return false; - } - - Sync *waitSync = context->getSync(sync); - if (!waitSync) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateGetInteger64v(Context *context, GLenum pname, GLint64 *params) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - GLenum nativeType = GL_NONE; - unsigned int numParams = 0; - if (!ValidateStateQuery(context, pname, &nativeType, &numParams)) - { - return false; - } - - return true; -} - -bool ValidateIsSampler(Context *context, GLuint sampler) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return true; -} - -bool ValidateBindSampler(Context *context, GLuint unit, GLuint sampler) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (sampler != 0 && !context->isSampler(sampler)) - { - context->handleError(InvalidOperation()); - return false; - } - - if (unit >= context->getCaps().maxCombinedTextureImageUnits) - { - context->handleError(InvalidValue()); - return false; - } - - return true; -} - -bool ValidateVertexAttribDivisor(Context *context, GLuint index, GLuint divisor) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - return ValidateVertexAttribIndex(context, index); -} - -bool ValidateTexStorage2D(Context *context, - GLenum target, - GLsizei levels, - GLenum internalformat, - GLsizei width, - GLsizei height) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateES3TexStorage2DParameters(context, target, levels, internalformat, width, height, - 1)) - { - return false; - } - - return true; -} - -bool ValidateTexStorage3D(Context *context, - GLenum target, - GLsizei levels, - GLenum internalformat, - GLsizei width, - GLsizei height, - GLsizei depth) -{ - if (context->getClientMajorVersion() < 3) - { - ANGLE_VALIDATION_ERR(context, InvalidOperation(), ES3Required); - return false; - } - - if (!ValidateES3TexStorage3DParameters(context, target, levels, internalformat, width, height, - depth)) - { - return false; - } - - return true; -} - -bool ValidateGetBufferParameteri64v(ValidationContext *context, - BufferBinding target, - GLenum pname, - GLint64 *params) -{ - return ValidateGetBufferParameterBase(context, target, pname, false, nullptr); -} - -bool ValidateGetSamplerParameterfv(Context *context, GLuint sampler, GLenum pname, GLfloat *params) -{ - return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); -} - -bool ValidateGetSamplerParameteriv(Context *context, GLuint sampler, GLenum pname, GLint *params) -{ - return ValidateGetSamplerParameterBase(context, sampler, pname, nullptr); -} - -bool ValidateSamplerParameterf(Context *context, GLuint sampler, GLenum pname, GLfloat param) -{ - return ValidateSamplerParameterBase(context, sampler, pname, -1, ¶m); -} - -bool ValidateSamplerParameterfv(Context *context, - GLuint sampler, - GLenum pname, - const GLfloat *params) -{ - return ValidateSamplerParameterBase(context, sampler, pname, -1, params); -} - -bool ValidateSamplerParameteri(Context *context, GLuint sampler, GLenum pname, GLint param) -{ - return ValidateSamplerParameterBase(context, sampler, pname, -1, ¶m); -} - -bool ValidateSamplerParameteriv(Context *context, GLuint sampler, GLenum pname, const GLint *params) -{ - return ValidateSamplerParameterBase(context, sampler, pname, -1, params); -} - -bool ValidateGetVertexAttribIiv(Context *context, GLuint index, GLenum pname, GLint *params) -{ - return ValidateGetVertexAttribBase(context, index, pname, nullptr, false, true); -} - -bool ValidateGetVertexAttribIuiv(Context *context, GLuint index, GLenum pname, GLuint *params) -{ - return ValidateGetVertexAttribBase(context, index, pname, nullptr, false, true); -} - -bool ValidateGetInternalformativ(Context *context, - GLenum target, - GLenum internalformat, - GLenum pname, - GLsizei bufSize, - GLint *params) -{ - return ValidateGetInternalFormativBase(context, target, internalformat, pname, bufSize, - nullptr); -} - -} // namespace gl |