| // |
| // Copyright (c) 2016 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. |
| // |
| |
| // validationEGL.cpp: Validation functions for generic EGL entry point parameters |
| |
| #include "libANGLE/validationEGL.h" |
| |
| #include "common/utilities.h" |
| #include "libANGLE/Config.h" |
| #include "libANGLE/Context.h" |
| #include "libANGLE/Device.h" |
| #include "libANGLE/Display.h" |
| #include "libANGLE/Image.h" |
| #include "libANGLE/Stream.h" |
| #include "libANGLE/Surface.h" |
| #include "libANGLE/Texture.h" |
| #include "libANGLE/formatutils.h" |
| |
| #include <EGL/eglext.h> |
| |
| namespace |
| { |
| size_t GetMaximumMipLevel(const gl::Context *context, GLenum target) |
| { |
| const gl::Caps &caps = context->getCaps(); |
| |
| size_t maxDimension = 0; |
| switch (target) |
| { |
| case GL_TEXTURE_2D: |
| maxDimension = caps.max2DTextureSize; |
| break; |
| case GL_TEXTURE_CUBE_MAP: |
| maxDimension = caps.maxCubeMapTextureSize; |
| break; |
| case GL_TEXTURE_3D: |
| maxDimension = caps.max3DTextureSize; |
| break; |
| case GL_TEXTURE_2D_ARRAY: |
| maxDimension = caps.max2DTextureSize; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| |
| return gl::log2(static_cast<int>(maxDimension)); |
| } |
| |
| bool TextureHasNonZeroMipLevelsSpecified(const gl::Context *context, const gl::Texture *texture) |
| { |
| size_t maxMip = GetMaximumMipLevel(context, texture->getTarget()); |
| for (size_t level = 1; level < maxMip; level++) |
| { |
| if (texture->getTarget() == GL_TEXTURE_CUBE_MAP) |
| { |
| for (GLenum face = gl::FirstCubeMapTextureTarget; face <= gl::LastCubeMapTextureTarget; |
| face++) |
| { |
| if (texture->getFormat(face, level).valid()) |
| { |
| return true; |
| } |
| } |
| } |
| else |
| { |
| if (texture->getFormat(texture->getTarget(), level).valid()) |
| { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| bool CubeTextureHasUnspecifiedLevel0Face(const gl::Texture *texture) |
| { |
| ASSERT(texture->getTarget() == GL_TEXTURE_CUBE_MAP); |
| for (GLenum face = gl::FirstCubeMapTextureTarget; face <= gl::LastCubeMapTextureTarget; face++) |
| { |
| if (!texture->getFormat(face, 0).valid()) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| egl::Error ValidateStreamAttribute(const EGLAttrib attribute, |
| const EGLAttrib value, |
| const egl::DisplayExtensions &extensions) |
| { |
| switch (attribute) |
| { |
| case EGL_STREAM_STATE_KHR: |
| case EGL_PRODUCER_FRAME_KHR: |
| case EGL_CONSUMER_FRAME_KHR: |
| return egl::Error(EGL_BAD_ACCESS, "Attempt to initialize readonly parameter"); |
| case EGL_CONSUMER_LATENCY_USEC_KHR: |
| // Technically not in spec but a latency < 0 makes no sense so we check it |
| if (value < 0) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "Latency must be positive"); |
| } |
| break; |
| case EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR: |
| if (!extensions.streamConsumerGLTexture) |
| { |
| return egl::Error(EGL_BAD_ATTRIBUTE, "Consumer GL extension not enabled"); |
| } |
| // Again not in spec but it should be positive anyways |
| if (value < 0) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "Timeout must be positive"); |
| } |
| break; |
| default: |
| return egl::Error(EGL_BAD_ATTRIBUTE, "Invalid stream attribute"); |
| } |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error ValidateCreateImageKHRMipLevelCommon(gl::Context *context, |
| const gl::Texture *texture, |
| EGLAttrib level) |
| { |
| // Note that the spec EGL_KHR_create_image spec does not explicitly specify an error |
| // when the level is outside the base/max level range, but it does mention that the |
| // level "must be a part of the complete texture object <buffer>". It can be argued |
| // that out-of-range levels are not a part of the complete texture. |
| const GLuint effectiveBaseLevel = texture->getTextureState().getEffectiveBaseLevel(); |
| if (level > 0 && |
| (!texture->isMipmapComplete() || static_cast<GLuint>(level) < effectiveBaseLevel || |
| static_cast<GLuint>(level) > texture->getTextureState().getMipmapMaxLevel())) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "texture must be complete if level is non-zero."); |
| } |
| |
| if (level == 0 && !texture->isMipmapComplete() && |
| TextureHasNonZeroMipLevelsSpecified(context, texture)) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, |
| "if level is zero and the texture is incomplete, it must have no mip " |
| "levels specified except zero."); |
| } |
| |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error ValidateConfigAttribute(const egl::Display *display, EGLAttrib attribute) |
| { |
| switch (attribute) |
| { |
| case EGL_BUFFER_SIZE: |
| case EGL_ALPHA_SIZE: |
| case EGL_BLUE_SIZE: |
| case EGL_GREEN_SIZE: |
| case EGL_RED_SIZE: |
| case EGL_DEPTH_SIZE: |
| case EGL_STENCIL_SIZE: |
| case EGL_CONFIG_CAVEAT: |
| case EGL_CONFIG_ID: |
| case EGL_LEVEL: |
| case EGL_NATIVE_RENDERABLE: |
| case EGL_NATIVE_VISUAL_ID: |
| case EGL_NATIVE_VISUAL_TYPE: |
| case EGL_SAMPLES: |
| case EGL_SAMPLE_BUFFERS: |
| case EGL_SURFACE_TYPE: |
| case EGL_TRANSPARENT_TYPE: |
| case EGL_TRANSPARENT_BLUE_VALUE: |
| case EGL_TRANSPARENT_GREEN_VALUE: |
| case EGL_TRANSPARENT_RED_VALUE: |
| case EGL_BIND_TO_TEXTURE_RGB: |
| case EGL_BIND_TO_TEXTURE_RGBA: |
| case EGL_MIN_SWAP_INTERVAL: |
| case EGL_MAX_SWAP_INTERVAL: |
| case EGL_LUMINANCE_SIZE: |
| case EGL_ALPHA_MASK_SIZE: |
| case EGL_COLOR_BUFFER_TYPE: |
| case EGL_RENDERABLE_TYPE: |
| case EGL_MATCH_NATIVE_PIXMAP: |
| case EGL_CONFORMANT: |
| case EGL_MAX_PBUFFER_WIDTH: |
| case EGL_MAX_PBUFFER_HEIGHT: |
| case EGL_MAX_PBUFFER_PIXELS: |
| break; |
| |
| case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE: |
| if (!display->getExtensions().surfaceOrientation) |
| { |
| return egl::Error(EGL_BAD_ATTRIBUTE, |
| "EGL_ANGLE_surface_orientation is not enabled."); |
| } |
| break; |
| |
| case EGL_COLOR_COMPONENT_TYPE_EXT: |
| if (!display->getExtensions().pixelFormatFloat) |
| { |
| return egl::Error(EGL_BAD_ATTRIBUTE, "EGL_EXT_pixel_format_float is not enabled."); |
| } |
| break; |
| |
| default: |
| return egl::Error(EGL_BAD_ATTRIBUTE, "Unknown attribute."); |
| } |
| |
| return egl::NoError(); |
| } |
| |
| egl::Error ValidateConfigAttributes(const egl::Display *display, |
| const egl::AttributeMap &attributes) |
| { |
| for (const auto &attrib : attributes) |
| { |
| ANGLE_TRY(ValidateConfigAttribute(display, attrib.first)); |
| } |
| |
| return egl::NoError(); |
| } |
| |
| } // namespace |
| |
| namespace egl |
| { |
| |
| Error ValidateDisplay(const Display *display) |
| { |
| if (display == EGL_NO_DISPLAY) |
| { |
| return Error(EGL_BAD_DISPLAY, "display is EGL_NO_DISPLAY."); |
| } |
| |
| if (!Display::isValidDisplay(display)) |
| { |
| return Error(EGL_BAD_DISPLAY, "display is not a valid display."); |
| } |
| |
| if (!display->isInitialized()) |
| { |
| return Error(EGL_NOT_INITIALIZED, "display is not initialized."); |
| } |
| |
| if (display->isDeviceLost()) |
| { |
| return Error(EGL_CONTEXT_LOST, "display had a context loss"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateSurface(const Display *display, const Surface *surface) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| if (!display->isValidSurface(surface)) |
| { |
| return Error(EGL_BAD_SURFACE); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateConfig(const Display *display, const Config *config) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| if (!display->isValidConfig(config)) |
| { |
| return Error(EGL_BAD_CONFIG); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateContext(const Display *display, const gl::Context *context) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| if (!display->isValidContext(context)) |
| { |
| return Error(EGL_BAD_CONTEXT); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateImage(const Display *display, const Image *image) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| if (!display->isValidImage(image)) |
| { |
| return Error(EGL_BAD_PARAMETER, "image is not valid."); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStream(const Display *display, const Stream *stream) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.stream) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream extension not active"); |
| } |
| |
| if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream)) |
| { |
| return Error(EGL_BAD_STREAM_KHR, "Invalid stream"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateContext(Display *display, Config *configuration, gl::Context *shareContext, |
| const AttributeMap& attributes) |
| { |
| ANGLE_TRY(ValidateConfig(display, configuration)); |
| |
| // Get the requested client version (default is 1) and check it is 2 or 3. |
| EGLAttrib clientMajorVersion = 1; |
| EGLAttrib clientMinorVersion = 0; |
| EGLAttrib contextFlags = 0; |
| bool resetNotification = false; |
| for (AttributeMap::const_iterator attributeIter = attributes.begin(); attributeIter != attributes.end(); attributeIter++) |
| { |
| EGLAttrib attribute = attributeIter->first; |
| EGLAttrib value = attributeIter->second; |
| |
| switch (attribute) |
| { |
| case EGL_CONTEXT_CLIENT_VERSION: |
| clientMajorVersion = value; |
| break; |
| |
| case EGL_CONTEXT_MINOR_VERSION: |
| clientMinorVersion = value; |
| break; |
| |
| case EGL_CONTEXT_FLAGS_KHR: |
| contextFlags = value; |
| break; |
| |
| case EGL_CONTEXT_OPENGL_DEBUG: |
| break; |
| |
| case EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR: |
| // Only valid for OpenGL (non-ES) contexts |
| return Error(EGL_BAD_ATTRIBUTE); |
| |
| case EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT: |
| if (!display->getExtensions().createContextRobustness) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR: |
| static_assert(EGL_LOSE_CONTEXT_ON_RESET_EXT == EGL_LOSE_CONTEXT_ON_RESET_KHR, "EGL extension enums not equal."); |
| static_assert(EGL_NO_RESET_NOTIFICATION_EXT == EGL_NO_RESET_NOTIFICATION_KHR, "EGL extension enums not equal."); |
| // same as EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT, fall through |
| case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT: |
| if (!display->getExtensions().createContextRobustness) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| if (value == EGL_LOSE_CONTEXT_ON_RESET_EXT) |
| { |
| resetNotification = true; |
| } |
| else if (value != EGL_NO_RESET_NOTIFICATION_EXT) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_CONTEXT_OPENGL_NO_ERROR_KHR: |
| if (!display->getExtensions().createContextNoError) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid Context attribute."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Attribute must be EGL_TRUE or EGL_FALSE."); |
| } |
| break; |
| |
| case EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE: |
| if (!display->getExtensions().createContextWebGLCompatibility) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Attribute EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE requires " |
| "EGL_ANGLE_create_context_webgl_compatibility."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error( |
| EGL_BAD_ATTRIBUTE, |
| "EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE must be EGL_TRUE or EGL_FALSE."); |
| } |
| break; |
| |
| case EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM: |
| if (!display->getExtensions().createContextBindGeneratesResource) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Attribute EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM requires " |
| "EGL_CHROMIUM_create_context_bind_generates_resource."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM must be EGL_TRUE or " |
| "EGL_FALSE."); |
| } |
| break; |
| |
| case EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE: |
| if (!display->getExtensions().displayTextureShareGroup) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Attribute EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE requires " |
| "EGL_ANGLE_display_texture_share_group."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error( |
| EGL_BAD_ATTRIBUTE, |
| "EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE must be EGL_TRUE or EGL_FALSE."); |
| } |
| if (shareContext && |
| (shareContext->usingDisplayTextureShareGroup() != (value == EGL_TRUE))) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "All contexts within a share group must be created with the same " |
| "value of EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE."); |
| } |
| break; |
| |
| case EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE: |
| if (!display->getExtensions().createContextClientArrays) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Attribute EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE requires " |
| "EGL_ANGLE_create_context_client_arrays."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE must be EGL_TRUE or " |
| "EGL_FALSE."); |
| } |
| break; |
| |
| case EGL_CONTEXT_ROBUST_RESOURCE_INITIALIZATION_ANGLE: |
| if (!display->getExtensions().createContextRobustResourceInitialization) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Attribute EGL_CONTEXT_ROBUST_RESOURCE_INITIALIZATION_ANGLE " |
| "requires EGL_ANGLE_create_context_robust_resource_initialization."); |
| } |
| if (value != EGL_TRUE && value != EGL_FALSE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "EGL_CONTEXT_ROBUST_RESOURCE_INITIALIZATION_ANGLE must be " |
| "either EGL_TRUE or EGL_FALSE."); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Unknown attribute."); |
| } |
| } |
| |
| switch (clientMajorVersion) |
| { |
| case 2: |
| if (clientMinorVersion != 0) |
| { |
| return Error(EGL_BAD_CONFIG); |
| } |
| break; |
| case 3: |
| if (clientMinorVersion != 0 && clientMinorVersion != 1) |
| { |
| return Error(EGL_BAD_CONFIG); |
| } |
| if (!(configuration->renderableType & EGL_OPENGL_ES3_BIT_KHR)) |
| { |
| return Error(EGL_BAD_CONFIG); |
| } |
| if (display->getMaxSupportedESVersion() < |
| gl::Version(static_cast<GLuint>(clientMajorVersion), |
| static_cast<GLuint>(clientMinorVersion))) |
| { |
| return Error(EGL_BAD_CONFIG, "Requested GLES version is not supported."); |
| } |
| break; |
| default: |
| return Error(EGL_BAD_CONFIG); |
| break; |
| } |
| |
| // Note: EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR does not apply to ES |
| const EGLint validContextFlags = (EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR | |
| EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR); |
| if ((contextFlags & ~validContextFlags) != 0) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| |
| if (shareContext) |
| { |
| // Shared context is invalid or is owned by another display |
| if (!display->isValidContext(shareContext)) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| if (shareContext->isResetNotificationEnabled() != resetNotification) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| if (shareContext->getClientMajorVersion() != clientMajorVersion || |
| shareContext->getClientMinorVersion() != clientMinorVersion) |
| { |
| return Error(EGL_BAD_CONTEXT); |
| } |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateWindowSurface(Display *display, Config *config, EGLNativeWindowType window, |
| const AttributeMap& attributes) |
| { |
| ANGLE_TRY(ValidateConfig(display, config)); |
| |
| if (!display->isValidNativeWindow(window)) |
| { |
| return Error(EGL_BAD_NATIVE_WINDOW); |
| } |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| |
| for (AttributeMap::const_iterator attributeIter = attributes.begin(); attributeIter != attributes.end(); attributeIter++) |
| { |
| EGLAttrib attribute = attributeIter->first; |
| EGLAttrib value = attributeIter->second; |
| |
| switch (attribute) |
| { |
| case EGL_RENDER_BUFFER: |
| switch (value) |
| { |
| case EGL_BACK_BUFFER: |
| break; |
| case EGL_SINGLE_BUFFER: |
| return Error(EGL_BAD_MATCH); // Rendering directly to front buffer not supported |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_POST_SUB_BUFFER_SUPPORTED_NV: |
| if (!displayExtensions.postSubBuffer) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE: |
| if (!displayExtensions.flexibleSurfaceCompatibility) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_WIDTH: |
| case EGL_HEIGHT: |
| if (!displayExtensions.windowFixedSize) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| if (value < 0) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| break; |
| |
| case EGL_FIXED_SIZE_ANGLE: |
| if (!displayExtensions.windowFixedSize) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_SURFACE_ORIENTATION_ANGLE: |
| if (!displayExtensions.surfaceOrientation) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "EGL_ANGLE_surface_orientation is not enabled."); |
| } |
| break; |
| |
| case EGL_VG_COLORSPACE: |
| return Error(EGL_BAD_MATCH); |
| |
| case EGL_VG_ALPHA_FORMAT: |
| return Error(EGL_BAD_MATCH); |
| |
| case EGL_DIRECT_COMPOSITION_ANGLE: |
| if (!displayExtensions.directComposition) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| } |
| |
| if (Display::hasExistingWindowSurface(window)) |
| { |
| return Error(EGL_BAD_ALLOC); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreatePbufferSurface(Display *display, Config *config, const AttributeMap& attributes) |
| { |
| ANGLE_TRY(ValidateConfig(display, config)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| |
| for (AttributeMap::const_iterator attributeIter = attributes.begin(); attributeIter != attributes.end(); attributeIter++) |
| { |
| EGLAttrib attribute = attributeIter->first; |
| EGLAttrib value = attributeIter->second; |
| |
| switch (attribute) |
| { |
| case EGL_WIDTH: |
| case EGL_HEIGHT: |
| if (value < 0) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| break; |
| |
| case EGL_LARGEST_PBUFFER: |
| break; |
| |
| case EGL_TEXTURE_FORMAT: |
| switch (value) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_RGB: |
| case EGL_TEXTURE_RGBA: |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_TEXTURE_TARGET: |
| switch (value) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_2D: |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_MIPMAP_TEXTURE: |
| break; |
| |
| case EGL_VG_COLORSPACE: |
| break; |
| |
| case EGL_VG_ALPHA_FORMAT: |
| break; |
| |
| case EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE: |
| if (!displayExtensions.flexibleSurfaceCompatibility) |
| { |
| return Error( |
| EGL_BAD_ATTRIBUTE, |
| "EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE cannot be used without " |
| "EGL_ANGLE_flexible_surface_compatibility support."); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| } |
| |
| if (!(config->surfaceType & EGL_PBUFFER_BIT)) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| const Caps &caps = display->getCaps(); |
| |
| EGLAttrib textureFormat = attributes.get(EGL_TEXTURE_FORMAT, EGL_NO_TEXTURE); |
| EGLAttrib textureTarget = attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE); |
| |
| if ((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) || |
| (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE)) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| if ((textureFormat == EGL_TEXTURE_RGB && config->bindToTextureRGB != EGL_TRUE) || |
| (textureFormat == EGL_TEXTURE_RGBA && config->bindToTextureRGBA != EGL_TRUE)) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| |
| EGLint width = static_cast<EGLint>(attributes.get(EGL_WIDTH, 0)); |
| EGLint height = static_cast<EGLint>(attributes.get(EGL_HEIGHT, 0)); |
| if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT && (!gl::isPow2(width) || !gl::isPow2(height))) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreatePbufferFromClientBuffer(Display *display, EGLenum buftype, EGLClientBuffer buffer, |
| Config *config, const AttributeMap& attributes) |
| { |
| ANGLE_TRY(ValidateConfig(display, config)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| |
| switch (buftype) |
| { |
| case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE: |
| if (!displayExtensions.d3dShareHandleClientBuffer) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| if (buffer == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| break; |
| |
| case EGL_D3D_TEXTURE_ANGLE: |
| if (!displayExtensions.d3dTextureClientBuffer) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| if (buffer == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_PARAMETER); |
| } |
| |
| for (AttributeMap::const_iterator attributeIter = attributes.begin(); attributeIter != attributes.end(); attributeIter++) |
| { |
| EGLAttrib attribute = attributeIter->first; |
| EGLAttrib value = attributeIter->second; |
| |
| switch (attribute) |
| { |
| case EGL_WIDTH: |
| case EGL_HEIGHT: |
| if (!displayExtensions.d3dShareHandleClientBuffer) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| if (value < 0) |
| { |
| return Error(EGL_BAD_PARAMETER); |
| } |
| break; |
| |
| case EGL_TEXTURE_FORMAT: |
| switch (value) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_RGB: |
| case EGL_TEXTURE_RGBA: |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_TEXTURE_TARGET: |
| switch (value) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_2D: |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| break; |
| |
| case EGL_MIPMAP_TEXTURE: |
| break; |
| |
| case EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE: |
| if (!displayExtensions.flexibleSurfaceCompatibility) |
| { |
| return Error( |
| EGL_BAD_ATTRIBUTE, |
| "EGL_FLEXIBLE_SURFACE_COMPATIBILITY_SUPPORTED_ANGLE cannot be used without " |
| "EGL_ANGLE_flexible_surface_compatibility support."); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| } |
| |
| if (!(config->surfaceType & EGL_PBUFFER_BIT)) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| EGLAttrib textureFormat = attributes.get(EGL_TEXTURE_FORMAT, EGL_NO_TEXTURE); |
| EGLAttrib textureTarget = attributes.get(EGL_TEXTURE_TARGET, EGL_NO_TEXTURE); |
| if ((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) || |
| (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE)) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| |
| if ((textureFormat == EGL_TEXTURE_RGB && config->bindToTextureRGB != EGL_TRUE) || |
| (textureFormat == EGL_TEXTURE_RGBA && config->bindToTextureRGBA != EGL_TRUE)) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| |
| if (buftype == EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE) |
| { |
| EGLint width = static_cast<EGLint>(attributes.get(EGL_WIDTH, 0)); |
| EGLint height = static_cast<EGLint>(attributes.get(EGL_HEIGHT, 0)); |
| |
| if (width == 0 || height == 0) |
| { |
| return Error(EGL_BAD_ATTRIBUTE); |
| } |
| |
| const Caps &caps = display->getCaps(); |
| if (textureFormat != EGL_NO_TEXTURE && !caps.textureNPOT && (!gl::isPow2(width) || !gl::isPow2(height))) |
| { |
| return Error(EGL_BAD_MATCH); |
| } |
| } |
| |
| ANGLE_TRY(display->validateClientBuffer(config, buftype, buffer, attributes)); |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateMakeCurrent(Display *display, EGLSurface draw, EGLSurface read, gl::Context *context) |
| { |
| if (context == EGL_NO_CONTEXT && (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE)) |
| { |
| return Error(EGL_BAD_MATCH, "If ctx is EGL_NO_CONTEXT, surfaces must be EGL_NO_SURFACE"); |
| } |
| |
| // If ctx is EGL_NO_CONTEXT and either draw or read are not EGL_NO_SURFACE, an EGL_BAD_MATCH |
| // error is generated. EGL_KHR_surfaceless_context allows both surfaces to be EGL_NO_SURFACE. |
| if (context != EGL_NO_CONTEXT && (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE)) |
| { |
| if (display->getExtensions().surfacelessContext) |
| { |
| if ((draw == EGL_NO_SURFACE) != (read == EGL_NO_SURFACE)) |
| { |
| return Error(EGL_BAD_MATCH, |
| "If ctx is not EGL_NOT_CONTEXT, draw or read must both be " |
| "EGL_NO_SURFACE, or both not"); |
| } |
| } |
| else |
| { |
| return Error(EGL_BAD_MATCH, |
| "If ctx is not EGL_NO_CONTEXT, surfaces must not be EGL_NO_SURFACE"); |
| } |
| } |
| |
| // If either of draw or read is a valid surface and the other is EGL_NO_SURFACE, an |
| // EGL_BAD_MATCH error is generated. |
| if ((read == EGL_NO_SURFACE) != (draw == EGL_NO_SURFACE)) |
| { |
| return Error(EGL_BAD_MATCH, |
| "read and draw must both be valid surfaces, or both be EGL_NO_SURFACE"); |
| } |
| |
| if (display == EGL_NO_DISPLAY || !Display::isValidDisplay(display)) |
| { |
| return Error(EGL_BAD_DISPLAY, "'dpy' not a valid EGLDisplay handle"); |
| } |
| |
| // EGL 1.5 spec: dpy can be uninitialized if all other parameters are null |
| if (!display->isInitialized() && |
| (context != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE)) |
| { |
| return Error(EGL_NOT_INITIALIZED, "'dpy' not initialized"); |
| } |
| |
| if (context != EGL_NO_CONTEXT) |
| { |
| ANGLE_TRY(ValidateContext(display, context)); |
| } |
| |
| if (display->isInitialized() && display->testDeviceLost()) |
| { |
| return Error(EGL_CONTEXT_LOST); |
| } |
| |
| Surface *drawSurface = static_cast<Surface *>(draw); |
| if (draw != EGL_NO_SURFACE) |
| { |
| ANGLE_TRY(ValidateSurface(display, drawSurface)); |
| } |
| |
| Surface *readSurface = static_cast<Surface *>(read); |
| if (read != EGL_NO_SURFACE) |
| { |
| ANGLE_TRY(ValidateSurface(display, readSurface)); |
| } |
| |
| if (readSurface) |
| { |
| ANGLE_TRY(ValidateCompatibleConfigs(display, readSurface->getConfig(), readSurface, |
| context->getConfig(), readSurface->getType())); |
| } |
| |
| if (draw != read) |
| { |
| UNIMPLEMENTED(); // FIXME |
| |
| if (drawSurface) |
| { |
| ANGLE_TRY(ValidateCompatibleConfigs(display, drawSurface->getConfig(), drawSurface, |
| context->getConfig(), drawSurface->getType())); |
| } |
| } |
| return egl::NoError(); |
| } |
| |
| Error ValidateCompatibleConfigs(const Display *display, |
| const Config *config1, |
| const Surface *surface, |
| const Config *config2, |
| EGLint surfaceType) |
| { |
| |
| if (!surface->flexibleSurfaceCompatibilityRequested()) |
| { |
| // Config compatibility is defined in section 2.2 of the EGL 1.5 spec |
| |
| bool colorBufferCompat = config1->colorBufferType == config2->colorBufferType; |
| if (!colorBufferCompat) |
| { |
| return Error(EGL_BAD_MATCH, "Color buffer types are not compatible."); |
| } |
| |
| bool colorCompat = |
| config1->redSize == config2->redSize && config1->greenSize == config2->greenSize && |
| config1->blueSize == config2->blueSize && config1->alphaSize == config2->alphaSize && |
| config1->luminanceSize == config2->luminanceSize; |
| if (!colorCompat) |
| { |
| return Error(EGL_BAD_MATCH, "Color buffer sizes are not compatible."); |
| } |
| |
| bool componentTypeCompat = config1->colorComponentType == config2->colorComponentType; |
| if (!componentTypeCompat) |
| { |
| return Error(EGL_BAD_MATCH, "Color buffer component types are not compatible."); |
| } |
| |
| bool dsCompat = config1->depthSize == config2->depthSize && |
| config1->stencilSize == config2->stencilSize; |
| if (!dsCompat) |
| { |
| return Error(EGL_BAD_MATCH, "Depth-stencil buffer types are not compatible."); |
| } |
| } |
| |
| bool surfaceTypeCompat = (config1->surfaceType & config2->surfaceType & surfaceType) != 0; |
| if (!surfaceTypeCompat) |
| { |
| return Error(EGL_BAD_MATCH, "Surface types are not compatible."); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateImageKHR(const Display *display, |
| gl::Context *context, |
| EGLenum target, |
| EGLClientBuffer buffer, |
| const AttributeMap &attributes) |
| { |
| ANGLE_TRY(ValidateContext(display, context)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| |
| if (!displayExtensions.imageBase && !displayExtensions.image) |
| { |
| // It is out of spec what happens when calling an extension function when the extension is |
| // not available. |
| // EGL_BAD_DISPLAY seems like a reasonable error. |
| return Error(EGL_BAD_DISPLAY, "EGL_KHR_image not supported."); |
| } |
| |
| // TODO(geofflang): Complete validation from EGL_KHR_image_base: |
| // If the resource specified by <dpy>, <ctx>, <target>, <buffer> and <attrib_list> is itself an |
| // EGLImage sibling, the error EGL_BAD_ACCESS is generated. |
| |
| for (AttributeMap::const_iterator attributeIter = attributes.begin(); |
| attributeIter != attributes.end(); attributeIter++) |
| { |
| EGLAttrib attribute = attributeIter->first; |
| EGLAttrib value = attributeIter->second; |
| |
| switch (attribute) |
| { |
| case EGL_IMAGE_PRESERVED_KHR: |
| switch (value) |
| { |
| case EGL_TRUE: |
| case EGL_FALSE: |
| break; |
| |
| default: |
| return Error(EGL_BAD_PARAMETER, |
| "EGL_IMAGE_PRESERVED_KHR must be EGL_TRUE or EGL_FALSE."); |
| } |
| break; |
| |
| case EGL_GL_TEXTURE_LEVEL_KHR: |
| if (!displayExtensions.glTexture2DImage && |
| !displayExtensions.glTextureCubemapImage && !displayExtensions.glTexture3DImage) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "EGL_GL_TEXTURE_LEVEL_KHR cannot be used without " |
| "KHR_gl_texture_*_image support."); |
| } |
| |
| if (value < 0) |
| { |
| return Error(EGL_BAD_PARAMETER, "EGL_GL_TEXTURE_LEVEL_KHR cannot be negative."); |
| } |
| break; |
| |
| case EGL_GL_TEXTURE_ZOFFSET_KHR: |
| if (!displayExtensions.glTexture3DImage) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "EGL_GL_TEXTURE_ZOFFSET_KHR cannot be used without " |
| "KHR_gl_texture_3D_image support."); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_PARAMETER, "invalid attribute: 0x%X", attribute); |
| } |
| } |
| |
| switch (target) |
| { |
| case EGL_GL_TEXTURE_2D_KHR: |
| { |
| if (!displayExtensions.glTexture2DImage) |
| { |
| return Error(EGL_BAD_PARAMETER, "KHR_gl_texture_2D_image not supported."); |
| } |
| |
| if (buffer == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "buffer cannot reference a 2D texture with the name 0."); |
| } |
| |
| const gl::Texture *texture = |
| context->getTexture(egl_gl::EGLClientBufferToGLObjectHandle(buffer)); |
| if (texture == nullptr || texture->getTarget() != GL_TEXTURE_2D) |
| { |
| return Error(EGL_BAD_PARAMETER, "target is not a 2D texture."); |
| } |
| |
| if (texture->getBoundSurface() != nullptr) |
| { |
| return Error(EGL_BAD_ACCESS, "texture has a surface bound to it."); |
| } |
| |
| EGLAttrib level = attributes.get(EGL_GL_TEXTURE_LEVEL_KHR, 0); |
| if (texture->getWidth(GL_TEXTURE_2D, static_cast<size_t>(level)) == 0 || |
| texture->getHeight(GL_TEXTURE_2D, static_cast<size_t>(level)) == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "target 2D texture does not have a valid size at specified level."); |
| } |
| |
| ANGLE_TRY(ValidateCreateImageKHRMipLevelCommon(context, texture, level)); |
| } |
| break; |
| |
| case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: |
| case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: |
| case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: |
| case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: |
| case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: |
| case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: |
| { |
| if (!displayExtensions.glTextureCubemapImage) |
| { |
| return Error(EGL_BAD_PARAMETER, "KHR_gl_texture_cubemap_image not supported."); |
| } |
| |
| if (buffer == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "buffer cannot reference a cubemap texture with the name 0."); |
| } |
| |
| const gl::Texture *texture = |
| context->getTexture(egl_gl::EGLClientBufferToGLObjectHandle(buffer)); |
| if (texture == nullptr || texture->getTarget() != GL_TEXTURE_CUBE_MAP) |
| { |
| return Error(EGL_BAD_PARAMETER, "target is not a cubemap texture."); |
| } |
| |
| if (texture->getBoundSurface() != nullptr) |
| { |
| return Error(EGL_BAD_ACCESS, "texture has a surface bound to it."); |
| } |
| |
| EGLAttrib level = attributes.get(EGL_GL_TEXTURE_LEVEL_KHR, 0); |
| GLenum cubeMapFace = egl_gl::EGLCubeMapTargetToGLCubeMapTarget(target); |
| if (texture->getWidth(cubeMapFace, static_cast<size_t>(level)) == 0 || |
| texture->getHeight(cubeMapFace, static_cast<size_t>(level)) == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "target cubemap texture does not have a valid size at specified level " |
| "and face."); |
| } |
| |
| ANGLE_TRY(ValidateCreateImageKHRMipLevelCommon(context, texture, level)); |
| |
| if (level == 0 && !texture->isMipmapComplete() && |
| CubeTextureHasUnspecifiedLevel0Face(texture)) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "if level is zero and the texture is incomplete, it must have all of " |
| "its faces specified at level zero."); |
| } |
| } |
| break; |
| |
| case EGL_GL_TEXTURE_3D_KHR: |
| { |
| if (!displayExtensions.glTexture3DImage) |
| { |
| return Error(EGL_BAD_PARAMETER, "KHR_gl_texture_3D_image not supported."); |
| } |
| |
| if (buffer == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "buffer cannot reference a 3D texture with the name 0."); |
| } |
| |
| const gl::Texture *texture = |
| context->getTexture(egl_gl::EGLClientBufferToGLObjectHandle(buffer)); |
| if (texture == nullptr || texture->getTarget() != GL_TEXTURE_3D) |
| { |
| return Error(EGL_BAD_PARAMETER, "target is not a 3D texture."); |
| } |
| |
| if (texture->getBoundSurface() != nullptr) |
| { |
| return Error(EGL_BAD_ACCESS, "texture has a surface bound to it."); |
| } |
| |
| EGLAttrib level = attributes.get(EGL_GL_TEXTURE_LEVEL_KHR, 0); |
| EGLAttrib zOffset = attributes.get(EGL_GL_TEXTURE_ZOFFSET_KHR, 0); |
| if (texture->getWidth(GL_TEXTURE_3D, static_cast<size_t>(level)) == 0 || |
| texture->getHeight(GL_TEXTURE_3D, static_cast<size_t>(level)) == 0 || |
| texture->getDepth(GL_TEXTURE_3D, static_cast<size_t>(level)) == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "target 3D texture does not have a valid size at specified level."); |
| } |
| |
| if (static_cast<size_t>(zOffset) >= |
| texture->getDepth(GL_TEXTURE_3D, static_cast<size_t>(level))) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "target 3D texture does not have enough layers for the specified Z " |
| "offset at the specified level."); |
| } |
| |
| ANGLE_TRY(ValidateCreateImageKHRMipLevelCommon(context, texture, level)); |
| } |
| break; |
| |
| case EGL_GL_RENDERBUFFER_KHR: |
| { |
| if (!displayExtensions.glRenderbufferImage) |
| { |
| return Error(EGL_BAD_PARAMETER, "KHR_gl_renderbuffer_image not supported."); |
| } |
| |
| if (attributes.contains(EGL_GL_TEXTURE_LEVEL_KHR)) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "EGL_GL_TEXTURE_LEVEL_KHR cannot be used in conjunction with a " |
| "renderbuffer target."); |
| } |
| |
| if (buffer == 0) |
| { |
| return Error(EGL_BAD_PARAMETER, |
| "buffer cannot reference a renderbuffer with the name 0."); |
| } |
| |
| const gl::Renderbuffer *renderbuffer = |
| context->getRenderbuffer(egl_gl::EGLClientBufferToGLObjectHandle(buffer)); |
| if (renderbuffer == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER, "target is not a renderbuffer."); |
| } |
| |
| if (renderbuffer->getSamples() > 0) |
| { |
| return Error(EGL_BAD_PARAMETER, "target renderbuffer cannot be multisampled."); |
| } |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_PARAMETER, "invalid target: 0x%X", target); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateDestroyImageKHR(const Display *display, const Image *image) |
| { |
| ANGLE_TRY(ValidateImage(display, image)); |
| |
| if (!display->getExtensions().imageBase && !display->getExtensions().image) |
| { |
| // It is out of spec what happens when calling an extension function when the extension is |
| // not available. |
| // EGL_BAD_DISPLAY seems like a reasonable error. |
| return Error(EGL_BAD_DISPLAY); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateDeviceANGLE(EGLint device_type, |
| void *native_device, |
| const EGLAttrib *attrib_list) |
| { |
| const ClientExtensions &clientExtensions = Display::getClientExtensions(); |
| if (!clientExtensions.deviceCreation) |
| { |
| return Error(EGL_BAD_ACCESS, "Device creation extension not active"); |
| } |
| |
| if (attrib_list != nullptr && attrib_list[0] != EGL_NONE) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attrib_list parameter"); |
| } |
| |
| switch (device_type) |
| { |
| case EGL_D3D11_DEVICE_ANGLE: |
| if (!clientExtensions.deviceCreationD3D11) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "D3D11 device creation extension not active"); |
| } |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid device_type parameter"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateReleaseDeviceANGLE(Device *device) |
| { |
| const ClientExtensions &clientExtensions = Display::getClientExtensions(); |
| if (!clientExtensions.deviceCreation) |
| { |
| return Error(EGL_BAD_ACCESS, "Device creation extension not active"); |
| } |
| |
| if (device == EGL_NO_DEVICE_EXT || !Device::IsValidDevice(device)) |
| { |
| return Error(EGL_BAD_DEVICE_EXT, "Invalid device parameter"); |
| } |
| |
| Display *owningDisplay = device->getOwningDisplay(); |
| if (owningDisplay != nullptr) |
| { |
| return Error(EGL_BAD_DEVICE_EXT, "Device must have been created using eglCreateDevice"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateStreamKHR(const Display *display, const AttributeMap &attributes) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.stream) |
| { |
| return Error(EGL_BAD_ALLOC, "Stream extension not active"); |
| } |
| |
| for (const auto &attributeIter : attributes) |
| { |
| EGLAttrib attribute = attributeIter.first; |
| EGLAttrib value = attributeIter.second; |
| |
| ANGLE_TRY(ValidateStreamAttribute(attribute, value, displayExtensions)); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateDestroyStreamKHR(const Display *display, const Stream *stream) |
| { |
| ANGLE_TRY(ValidateStream(display, stream)); |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamAttribKHR(const Display *display, |
| const Stream *stream, |
| EGLint attribute, |
| EGLint value) |
| { |
| ANGLE_TRY(ValidateStream(display, stream)); |
| |
| if (stream->getState() == EGL_STREAM_STATE_DISCONNECTED_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Bad stream state"); |
| } |
| |
| return ValidateStreamAttribute(attribute, value, display->getExtensions()); |
| } |
| |
| Error ValidateQueryStreamKHR(const Display *display, |
| const Stream *stream, |
| EGLenum attribute, |
| EGLint *value) |
| { |
| ANGLE_TRY(ValidateStream(display, stream)); |
| |
| switch (attribute) |
| { |
| case EGL_STREAM_STATE_KHR: |
| case EGL_CONSUMER_LATENCY_USEC_KHR: |
| break; |
| case EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR: |
| if (!display->getExtensions().streamConsumerGLTexture) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Consumer GLTexture extension not active"); |
| } |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateQueryStreamu64KHR(const Display *display, |
| const Stream *stream, |
| EGLenum attribute, |
| EGLuint64KHR *value) |
| { |
| ANGLE_TRY(ValidateStream(display, stream)); |
| |
| switch (attribute) |
| { |
| case EGL_CONSUMER_FRAME_KHR: |
| case EGL_PRODUCER_FRAME_KHR: |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamConsumerGLTextureExternalKHR(const Display *display, |
| gl::Context *context, |
| const Stream *stream) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| ANGLE_TRY(ValidateContext(display, context)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamConsumerGLTexture) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream consumer extension not active"); |
| } |
| |
| if (!context->getExtensions().eglStreamConsumerExternal) |
| { |
| return Error(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled"); |
| } |
| |
| if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream)) |
| { |
| return Error(EGL_BAD_STREAM_KHR, "Invalid stream"); |
| } |
| |
| if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Invalid stream state"); |
| } |
| |
| // Lookup the texture and ensure it is correct |
| gl::Texture *texture = context->getGLState().getTargetTexture(GL_TEXTURE_EXTERNAL_OES); |
| if (texture == nullptr || texture->getId() == 0) |
| { |
| return Error(EGL_BAD_ACCESS, "No external texture bound"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamConsumerAcquireKHR(const Display *display, |
| gl::Context *context, |
| const Stream *stream) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamConsumerGLTexture) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream consumer extension not active"); |
| } |
| |
| if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream)) |
| { |
| return Error(EGL_BAD_STREAM_KHR, "Invalid stream"); |
| } |
| |
| if (!context) |
| { |
| return Error(EGL_BAD_ACCESS, "No GL context current to calling thread."); |
| } |
| |
| ANGLE_TRY(ValidateContext(display, context)); |
| |
| if (!stream->isConsumerBoundToContext(context)) |
| { |
| return Error(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer"); |
| } |
| |
| if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB && |
| stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV) |
| { |
| return Error(EGL_BAD_ACCESS, "Invalid stream consumer type"); |
| } |
| |
| // Note: technically EGL_STREAM_STATE_EMPTY_KHR is a valid state when the timeout is non-zero. |
| // However, the timeout is effectively ignored since it has no useful functionality with the |
| // current producers that are implemented, so we don't allow that state |
| if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR && |
| stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Invalid stream state"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamConsumerReleaseKHR(const Display *display, |
| gl::Context *context, |
| const Stream *stream) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamConsumerGLTexture) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream consumer extension not active"); |
| } |
| |
| if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream)) |
| { |
| return Error(EGL_BAD_STREAM_KHR, "Invalid stream"); |
| } |
| |
| if (!context) |
| { |
| return Error(EGL_BAD_ACCESS, "No GL context current to calling thread."); |
| } |
| |
| ANGLE_TRY(ValidateContext(display, context)); |
| |
| if (!stream->isConsumerBoundToContext(context)) |
| { |
| return Error(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer"); |
| } |
| |
| if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB && |
| stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV) |
| { |
| return Error(EGL_BAD_ACCESS, "Invalid stream consumer type"); |
| } |
| |
| if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR && |
| stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Invalid stream state"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamConsumerGLTextureExternalAttribsNV(const Display *display, |
| gl::Context *context, |
| const Stream *stream, |
| const AttributeMap &attribs) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamConsumerGLTexture) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream consumer extension not active"); |
| } |
| |
| // Although technically not a requirement in spec, the context needs to be checked for support |
| // for external textures or future logic will cause assertations. This extension is also |
| // effectively useless without external textures. |
| if (!context->getExtensions().eglStreamConsumerExternal) |
| { |
| return Error(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled"); |
| } |
| |
| if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream)) |
| { |
| return Error(EGL_BAD_STREAM_KHR, "Invalid stream"); |
| } |
| |
| if (!context) |
| { |
| return Error(EGL_BAD_ACCESS, "No GL context current to calling thread."); |
| } |
| |
| ANGLE_TRY(ValidateContext(display, context)); |
| |
| if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Invalid stream state"); |
| } |
| |
| const gl::Caps &glCaps = context->getCaps(); |
| |
| EGLAttrib colorBufferType = EGL_RGB_BUFFER; |
| EGLAttrib planeCount = -1; |
| EGLAttrib plane[3]; |
| for (int i = 0; i < 3; i++) |
| { |
| plane[i] = -1; |
| } |
| for (const auto &attributeIter : attribs) |
| { |
| EGLAttrib attribute = attributeIter.first; |
| EGLAttrib value = attributeIter.second; |
| |
| switch (attribute) |
| { |
| case EGL_COLOR_BUFFER_TYPE: |
| if (value != EGL_RGB_BUFFER && value != EGL_YUV_BUFFER_EXT) |
| { |
| return Error(EGL_BAD_PARAMETER, "Invalid color buffer type"); |
| } |
| colorBufferType = value; |
| break; |
| case EGL_YUV_NUMBER_OF_PLANES_EXT: |
| // planeCount = -1 is a tag for the default plane count so the value must be checked |
| // to be positive here to ensure future logic doesn't break on invalid negative |
| // inputs |
| if (value < 0) |
| { |
| return Error(EGL_BAD_MATCH, "Invalid plane count"); |
| } |
| planeCount = value; |
| break; |
| default: |
| if (attribute >= EGL_YUV_PLANE0_TEXTURE_UNIT_NV && |
| attribute <= EGL_YUV_PLANE2_TEXTURE_UNIT_NV) |
| { |
| if ((value < 0 || |
| value >= static_cast<EGLAttrib>(glCaps.maxCombinedTextureImageUnits)) && |
| value != EGL_NONE) |
| { |
| return Error(EGL_BAD_ACCESS, "Invalid texture unit"); |
| } |
| plane[attribute - EGL_YUV_PLANE0_TEXTURE_UNIT_NV] = value; |
| } |
| else |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute"); |
| } |
| } |
| } |
| |
| if (colorBufferType == EGL_RGB_BUFFER) |
| { |
| if (planeCount > 0) |
| { |
| return Error(EGL_BAD_MATCH, "Plane count must be 0 for RGB buffer"); |
| } |
| for (int i = 0; i < 3; i++) |
| { |
| if (plane[i] != -1) |
| { |
| return Error(EGL_BAD_MATCH, "Planes cannot be specified"); |
| } |
| } |
| |
| // Lookup the texture and ensure it is correct |
| gl::Texture *texture = context->getGLState().getTargetTexture(GL_TEXTURE_EXTERNAL_OES); |
| if (texture == nullptr || texture->getId() == 0) |
| { |
| return Error(EGL_BAD_ACCESS, "No external texture bound"); |
| } |
| } |
| else |
| { |
| if (planeCount == -1) |
| { |
| planeCount = 2; |
| } |
| if (planeCount < 1 || planeCount > 3) |
| { |
| return Error(EGL_BAD_MATCH, "Invalid YUV plane count"); |
| } |
| for (EGLAttrib i = planeCount; i < 3; i++) |
| { |
| if (plane[i] != -1) |
| { |
| return Error(EGL_BAD_MATCH, "Invalid plane specified"); |
| } |
| } |
| |
| // Set to ensure no texture is referenced more than once |
| std::set<gl::Texture *> textureSet; |
| for (EGLAttrib i = 0; i < planeCount; i++) |
| { |
| if (plane[i] == -1) |
| { |
| return Error(EGL_BAD_MATCH, "Not all planes specified"); |
| } |
| if (plane[i] != EGL_NONE) |
| { |
| gl::Texture *texture = context->getGLState().getSamplerTexture( |
| static_cast<unsigned int>(plane[i]), GL_TEXTURE_EXTERNAL_OES); |
| if (texture == nullptr || texture->getId() == 0) |
| { |
| return Error( |
| EGL_BAD_ACCESS, |
| "No external texture bound at one or more specified texture units"); |
| } |
| if (textureSet.find(texture) != textureSet.end()) |
| { |
| return Error(EGL_BAD_ACCESS, "Multiple planes bound to same texture object"); |
| } |
| textureSet.insert(texture); |
| } |
| } |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateCreateStreamProducerD3DTextureNV12ANGLE(const Display *display, |
| const Stream *stream, |
| const AttributeMap &attribs) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamProducerD3DTextureNV12) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream producer extension not active"); |
| } |
| |
| ANGLE_TRY(ValidateStream(display, stream)); |
| |
| if (!attribs.isEmpty()) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute"); |
| } |
| |
| if (stream->getState() != EGL_STREAM_STATE_CONNECTING_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Stream not in connecting state"); |
| } |
| |
| if (stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV || |
| stream->getPlaneCount() != 2) |
| { |
| return Error(EGL_BAD_MATCH, "Incompatible stream consumer type"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateStreamPostD3DTextureNV12ANGLE(const Display *display, |
| const Stream *stream, |
| void *texture, |
| const AttributeMap &attribs) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.streamProducerD3DTextureNV12) |
| { |
| return Error(EGL_BAD_ACCESS, "Stream producer extension not active"); |
| } |
| |
| ANGLE_TRY(ValidateStream(display, stream)); |
| |
| for (auto &attributeIter : attribs) |
| { |
| EGLAttrib attribute = attributeIter.first; |
| EGLAttrib value = attributeIter.second; |
| |
| switch (attribute) |
| { |
| case EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE: |
| if (value < 0) |
| { |
| return Error(EGL_BAD_PARAMETER, "Invalid subresource index"); |
| } |
| break; |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute"); |
| } |
| } |
| |
| if (stream->getState() != EGL_STREAM_STATE_EMPTY_KHR && |
| stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR && |
| stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR) |
| { |
| return Error(EGL_BAD_STATE_KHR, "Stream not fully configured"); |
| } |
| |
| if (stream->getProducerType() != Stream::ProducerType::D3D11TextureNV12) |
| { |
| return Error(EGL_BAD_MATCH, "Incompatible stream producer"); |
| } |
| |
| if (texture == nullptr) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "Texture is null"); |
| } |
| |
| return stream->validateD3D11NV12Texture(texture); |
| } |
| |
| Error ValidateGetSyncValuesCHROMIUM(const Display *display, |
| const Surface *surface, |
| const EGLuint64KHR *ust, |
| const EGLuint64KHR *msc, |
| const EGLuint64KHR *sbc) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| const DisplayExtensions &displayExtensions = display->getExtensions(); |
| if (!displayExtensions.getSyncValues) |
| { |
| return Error(EGL_BAD_ACCESS, "getSyncValues extension not active"); |
| } |
| |
| if (display->isDeviceLost()) |
| { |
| return Error(EGL_CONTEXT_LOST, "Context is lost."); |
| } |
| |
| if (surface == EGL_NO_SURFACE) |
| { |
| return Error(EGL_BAD_SURFACE, "getSyncValues surface cannot be EGL_NO_SURFACE"); |
| } |
| |
| if (!surface->directComposition()) |
| { |
| return Error(EGL_BAD_SURFACE, |
| "getSyncValues surface requires Direct Composition to be enabled"); |
| } |
| |
| if (ust == nullptr) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "ust is null"); |
| } |
| |
| if (msc == nullptr) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "msc is null"); |
| } |
| |
| if (sbc == nullptr) |
| { |
| return egl::Error(EGL_BAD_PARAMETER, "sbc is null"); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateSwapBuffersWithDamageEXT(const Display *display, |
| const Surface *surface, |
| EGLint *rects, |
| EGLint n_rects) |
| { |
| Error error = ValidateSurface(display, surface); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| if (!display->getExtensions().swapBuffersWithDamage) |
| { |
| // It is out of spec what happens when calling an extension function when the extension is |
| // not available. EGL_BAD_DISPLAY seems like a reasonable error. |
| return Error(EGL_BAD_DISPLAY, "EGL_EXT_swap_buffers_with_damage is not available."); |
| } |
| |
| if (surface == EGL_NO_SURFACE) |
| { |
| return Error(EGL_BAD_SURFACE, "Swap surface cannot be EGL_NO_SURFACE."); |
| } |
| |
| if (n_rects < 0) |
| { |
| return Error(EGL_BAD_PARAMETER, "n_rects cannot be negative."); |
| } |
| |
| if (n_rects > 0 && rects == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER, "n_rects cannot be greater than zero when rects is NULL."); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| Error ValidateGetConfigAttrib(const Display *display, const Config *config, EGLint attribute) |
| { |
| ANGLE_TRY(ValidateConfig(display, config)); |
| ANGLE_TRY(ValidateConfigAttribute(display, static_cast<EGLAttrib>(attribute))); |
| return NoError(); |
| } |
| |
| Error ValidateChooseConfig(const Display *display, |
| const AttributeMap &attribs, |
| EGLint configSize, |
| EGLint *numConfig) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| ANGLE_TRY(ValidateConfigAttributes(display, attribs)); |
| |
| if (numConfig == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER, "num_config cannot be null."); |
| } |
| |
| return NoError(); |
| } |
| |
| Error ValidateGetConfigs(const Display *display, EGLint configSize, EGLint *numConfig) |
| { |
| ANGLE_TRY(ValidateDisplay(display)); |
| |
| if (numConfig == nullptr) |
| { |
| return Error(EGL_BAD_PARAMETER, "num_config cannot be null."); |
| } |
| |
| return NoError(); |
| } |
| |
| Error ValidatePlatformType(const ClientExtensions &clientExtensions, EGLint platformType) |
| { |
| switch (platformType) |
| { |
| case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE: |
| break; |
| |
| case EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE: |
| case EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE: |
| if (!clientExtensions.platformANGLED3D) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Direct3D platform is unsupported."); |
| } |
| break; |
| |
| case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE: |
| case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE: |
| if (!clientExtensions.platformANGLEOpenGL) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "OpenGL platform is unsupported."); |
| } |
| break; |
| |
| case EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE: |
| if (!clientExtensions.platformANGLENULL) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, |
| "Display type " |
| "EGL_PLATFORM_ANGLE_TYPE_NULL_ANGLE " |
| "requires EGL_ANGLE_platform_angle_null."); |
| } |
| break; |
| |
| case EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE: |
| if (!clientExtensions.platformANGLEVulkan) |
| { |
| return Error(EGL_BAD_ATTRIBUTE, "Vulkan platform is unsupported."); |
| } |
| break; |
| |
| default: |
| return Error(EGL_BAD_ATTRIBUTE, "Unknown platform type."); |
| } |
| |
| return Error(EGL_SUCCESS); |
| } |
| |
| } // namespace egl |
