| // |
| // 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. |
| // |
| |
| // queryutils.cpp: Utilities for querying values from GL objects |
| |
| #include "libANGLE/queryutils.h" |
| |
| #include "libANGLE/Buffer.h" |
| #include "libANGLE/Framebuffer.h" |
| #include "libANGLE/Program.h" |
| #include "libANGLE/Renderbuffer.h" |
| #include "libANGLE/Shader.h" |
| |
| namespace gl |
| { |
| void QueryFramebufferAttachmentParameteriv(const Framebuffer *framebuffer, |
| GLenum attachment, |
| GLenum pname, |
| GLint *params) |
| { |
| ASSERT(framebuffer); |
| |
| const FramebufferAttachment *attachmentObject = framebuffer->getAttachment(attachment); |
| if (attachmentObject == nullptr) |
| { |
| // ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE |
| // is NONE, then querying any other pname will generate INVALID_ENUM. |
| |
| // ES 3.0.2 spec pg 235 states that if the attachment type is none, |
| // GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an |
| // INVALID_OPERATION for all other pnames |
| |
| switch (pname) |
| { |
| case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: |
| *params = GL_NONE; |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: |
| *params = 0; |
| break; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| |
| return; |
| } |
| |
| switch (pname) |
| { |
| case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: |
| *params = attachmentObject->type(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: |
| *params = attachmentObject->id(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: |
| *params = attachmentObject->mipLevel(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: |
| *params = attachmentObject->cubeMapFace(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE: |
| *params = attachmentObject->getRedSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: |
| *params = attachmentObject->getGreenSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: |
| *params = attachmentObject->getBlueSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: |
| *params = attachmentObject->getAlphaSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: |
| *params = attachmentObject->getDepthSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: |
| *params = attachmentObject->getStencilSize(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: |
| *params = attachmentObject->getComponentType(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: |
| *params = attachmentObject->getColorEncoding(); |
| break; |
| |
| case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: |
| *params = attachmentObject->layer(); |
| break; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| void QueryBufferParameteriv(const Buffer *buffer, GLenum pname, GLint *params) |
| { |
| ASSERT(buffer != nullptr); |
| |
| switch (pname) |
| { |
| case GL_BUFFER_USAGE: |
| *params = static_cast<GLint>(buffer->getUsage()); |
| break; |
| case GL_BUFFER_SIZE: |
| *params = clampCast<GLint>(buffer->getSize()); |
| break; |
| case GL_BUFFER_ACCESS_FLAGS: |
| *params = buffer->getAccessFlags(); |
| break; |
| case GL_BUFFER_ACCESS_OES: |
| *params = buffer->getAccess(); |
| break; |
| case GL_BUFFER_MAPPED: |
| *params = static_cast<GLint>(buffer->isMapped()); |
| break; |
| case GL_BUFFER_MAP_OFFSET: |
| *params = clampCast<GLint>(buffer->getMapOffset()); |
| break; |
| case GL_BUFFER_MAP_LENGTH: |
| *params = clampCast<GLint>(buffer->getMapLength()); |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| void QueryProgramiv(const Program *program, GLenum pname, GLint *params) |
| { |
| ASSERT(program != nullptr); |
| |
| switch (pname) |
| { |
| case GL_DELETE_STATUS: |
| *params = program->isFlaggedForDeletion(); |
| return; |
| case GL_LINK_STATUS: |
| *params = program->isLinked(); |
| return; |
| case GL_VALIDATE_STATUS: |
| *params = program->isValidated(); |
| return; |
| case GL_INFO_LOG_LENGTH: |
| *params = program->getInfoLogLength(); |
| return; |
| case GL_ATTACHED_SHADERS: |
| *params = program->getAttachedShadersCount(); |
| return; |
| case GL_ACTIVE_ATTRIBUTES: |
| *params = program->getActiveAttributeCount(); |
| return; |
| case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH: |
| *params = program->getActiveAttributeMaxLength(); |
| return; |
| case GL_ACTIVE_UNIFORMS: |
| *params = program->getActiveUniformCount(); |
| return; |
| case GL_ACTIVE_UNIFORM_MAX_LENGTH: |
| *params = program->getActiveUniformMaxLength(); |
| return; |
| case GL_PROGRAM_BINARY_LENGTH_OES: |
| *params = program->getBinaryLength(); |
| return; |
| case GL_ACTIVE_UNIFORM_BLOCKS: |
| *params = program->getActiveUniformBlockCount(); |
| return; |
| case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH: |
| *params = program->getActiveUniformBlockMaxLength(); |
| break; |
| case GL_TRANSFORM_FEEDBACK_BUFFER_MODE: |
| *params = program->getTransformFeedbackBufferMode(); |
| break; |
| case GL_TRANSFORM_FEEDBACK_VARYINGS: |
| *params = program->getTransformFeedbackVaryingCount(); |
| break; |
| case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH: |
| *params = program->getTransformFeedbackVaryingMaxLength(); |
| break; |
| case GL_PROGRAM_BINARY_RETRIEVABLE_HINT: |
| *params = program->getBinaryRetrievableHint(); |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| void QueryRenderbufferiv(const Renderbuffer *renderbuffer, GLenum pname, GLint *params) |
| { |
| ASSERT(renderbuffer != nullptr); |
| |
| switch (pname) |
| { |
| case GL_RENDERBUFFER_WIDTH: |
| *params = renderbuffer->getWidth(); |
| break; |
| case GL_RENDERBUFFER_HEIGHT: |
| *params = renderbuffer->getHeight(); |
| break; |
| case GL_RENDERBUFFER_INTERNAL_FORMAT: |
| *params = renderbuffer->getFormat().info->internalFormat; |
| break; |
| case GL_RENDERBUFFER_RED_SIZE: |
| *params = renderbuffer->getRedSize(); |
| break; |
| case GL_RENDERBUFFER_GREEN_SIZE: |
| *params = renderbuffer->getGreenSize(); |
| break; |
| case GL_RENDERBUFFER_BLUE_SIZE: |
| *params = renderbuffer->getBlueSize(); |
| break; |
| case GL_RENDERBUFFER_ALPHA_SIZE: |
| *params = renderbuffer->getAlphaSize(); |
| break; |
| case GL_RENDERBUFFER_DEPTH_SIZE: |
| *params = renderbuffer->getDepthSize(); |
| break; |
| case GL_RENDERBUFFER_STENCIL_SIZE: |
| *params = renderbuffer->getStencilSize(); |
| break; |
| case GL_RENDERBUFFER_SAMPLES_ANGLE: |
| *params = renderbuffer->getSamples(); |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| void QueryShaderiv(const Shader *shader, GLenum pname, GLint *params) |
| { |
| ASSERT(shader != nullptr); |
| |
| switch (pname) |
| { |
| case GL_SHADER_TYPE: |
| *params = shader->getType(); |
| return; |
| case GL_DELETE_STATUS: |
| *params = shader->isFlaggedForDeletion(); |
| return; |
| case GL_COMPILE_STATUS: |
| *params = shader->isCompiled() ? GL_TRUE : GL_FALSE; |
| return; |
| case GL_INFO_LOG_LENGTH: |
| *params = shader->getInfoLogLength(); |
| return; |
| case GL_SHADER_SOURCE_LENGTH: |
| *params = shader->getSourceLength(); |
| return; |
| case GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE: |
| *params = shader->getTranslatedSourceWithDebugInfoLength(); |
| return; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| } |