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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/Framebuffer.h')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/Framebuffer.h | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/Framebuffer.h b/src/3rdparty/angle/src/libANGLE/Framebuffer.h deleted file mode 100644 index 70223f0bc7..0000000000 --- a/src/3rdparty/angle/src/libANGLE/Framebuffer.h +++ /dev/null @@ -1,389 +0,0 @@ -// -// Copyright (c) 2002-2013 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. -// - -// Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer -// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105. - -#ifndef LIBANGLE_FRAMEBUFFER_H_ -#define LIBANGLE_FRAMEBUFFER_H_ - -#include <vector> - -#include "common/Optional.h" -#include "common/angleutils.h" -#include "libANGLE/Constants.h" -#include "libANGLE/Debug.h" -#include "libANGLE/Error.h" -#include "libANGLE/FramebufferAttachment.h" -#include "libANGLE/RefCountObject.h" -#include "libANGLE/signal_utils.h" - -namespace rx -{ -class GLImplFactory; -class FramebufferImpl; -class RenderbufferImpl; -class SurfaceImpl; -} - -namespace egl -{ -class Display; -class Surface; -} - -namespace gl -{ -class Context; -class ContextState; -class Framebuffer; -class Renderbuffer; -class State; -class Texture; -class TextureCapsMap; -class ValidationContext; -struct Caps; -struct Extensions; -struct ImageIndex; -struct Rectangle; - -class FramebufferState final : angle::NonCopyable -{ - public: - FramebufferState(); - explicit FramebufferState(const Caps &caps); - ~FramebufferState(); - - const std::string &getLabel(); - size_t getReadIndex() const; - - const FramebufferAttachment *getAttachment(GLenum attachment) const; - const FramebufferAttachment *getReadAttachment() const; - const FramebufferAttachment *getFirstNonNullAttachment() const; - const FramebufferAttachment *getFirstColorAttachment() const; - const FramebufferAttachment *getDepthOrStencilAttachment() const; - const FramebufferAttachment *getStencilOrDepthStencilAttachment() const; - const FramebufferAttachment *getColorAttachment(size_t colorAttachment) const; - const FramebufferAttachment *getDepthAttachment() const; - const FramebufferAttachment *getStencilAttachment() const; - const FramebufferAttachment *getDepthStencilAttachment() const; - - const std::vector<GLenum> &getDrawBufferStates() const { return mDrawBufferStates; } - DrawBufferMask getEnabledDrawBuffers() const { return mEnabledDrawBuffers; } - GLenum getReadBufferState() const { return mReadBufferState; } - const std::vector<FramebufferAttachment> &getColorAttachments() const - { - return mColorAttachments; - } - - bool attachmentsHaveSameDimensions() const; - bool colorAttachmentsAreUniqueImages() const; - Box getDimensions() const; - - const FramebufferAttachment *getDrawBuffer(size_t drawBufferIdx) const; - size_t getDrawBufferCount() const; - - GLint getDefaultWidth() const { return mDefaultWidth; }; - GLint getDefaultHeight() const { return mDefaultHeight; }; - GLint getDefaultSamples() const { return mDefaultSamples; }; - bool getDefaultFixedSampleLocations() const { return mDefaultFixedSampleLocations; }; - - bool hasDepth() const; - bool hasStencil() const; - - GLenum getMultiviewLayout() const; - GLsizei getNumViews() const; - const std::vector<Offset> *getViewportOffsets() const; - GLint getBaseViewIndex() const; - - private: - friend class Framebuffer; - - std::string mLabel; - - std::vector<FramebufferAttachment> mColorAttachments; - FramebufferAttachment mDepthAttachment; - FramebufferAttachment mStencilAttachment; - - std::vector<GLenum> mDrawBufferStates; - GLenum mReadBufferState; - DrawBufferMask mEnabledDrawBuffers; - - GLint mDefaultWidth; - GLint mDefaultHeight; - GLint mDefaultSamples; - bool mDefaultFixedSampleLocations; - - // It's necessary to store all this extra state so we can restore attachments - // when DEPTH_STENCIL/DEPTH/STENCIL is unbound in WebGL 1. - FramebufferAttachment mWebGLDepthStencilAttachment; - FramebufferAttachment mWebGLDepthAttachment; - FramebufferAttachment mWebGLStencilAttachment; - bool mWebGLDepthStencilConsistent; - - // Tracks if we need to initialize the resources for each attachment. - angle::BitSet<IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS + 2> mResourceNeedsInit; -}; - -class Framebuffer final : public LabeledObject, public OnAttachmentDirtyReceiver -{ - public: - // Constructor to build application-defined framebuffers - Framebuffer(const Caps &caps, rx::GLImplFactory *factory, GLuint id); - // Constructor to build default framebuffers for a surface - Framebuffer(const egl::Display *display, egl::Surface *surface); - // Constructor to build a fake default framebuffer when surfaceless - Framebuffer(rx::GLImplFactory *factory); - - ~Framebuffer() override; - void onDestroy(const Context *context); - void destroyDefault(const egl::Display *display); - - void setLabel(const std::string &label) override; - const std::string &getLabel() const override; - - rx::FramebufferImpl *getImplementation() const { return mImpl; } - - GLuint id() const { return mId; } - - void setAttachment(const Context *context, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource); - void setAttachmentMultiviewLayered(const Context *context, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource, - GLsizei numViews, - GLint baseViewIndex); - void setAttachmentMultiviewSideBySide(const Context *context, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource, - GLsizei numViews, - const GLint *viewportOffsets); - void resetAttachment(const Context *context, GLenum binding); - - bool detachTexture(const Context *context, GLuint texture); - bool detachRenderbuffer(const Context *context, GLuint renderbuffer); - - const FramebufferAttachment *getColorbuffer(size_t colorAttachment) const; - const FramebufferAttachment *getDepthbuffer() const; - const FramebufferAttachment *getStencilbuffer() const; - const FramebufferAttachment *getDepthStencilBuffer() const; - const FramebufferAttachment *getDepthOrStencilbuffer() const; - const FramebufferAttachment *getStencilOrDepthStencilAttachment() const; - const FramebufferAttachment *getReadColorbuffer() const; - GLenum getReadColorbufferType() const; - const FramebufferAttachment *getFirstColorbuffer() const; - const FramebufferAttachment *getFirstNonNullAttachment() const; - - const FramebufferAttachment *getAttachment(GLenum attachment) const; - GLenum getMultiviewLayout() const; - GLsizei getNumViews() const; - GLint getBaseViewIndex() const; - const std::vector<Offset> *getViewportOffsets() const; - - size_t getDrawbufferStateCount() const; - GLenum getDrawBufferState(size_t drawBuffer) const; - const std::vector<GLenum> &getDrawBufferStates() const; - void setDrawBuffers(size_t count, const GLenum *buffers); - const FramebufferAttachment *getDrawBuffer(size_t drawBuffer) const; - GLenum getDrawbufferWriteType(size_t drawBuffer) const; - bool hasEnabledDrawBuffer() const; - - GLenum getReadBufferState() const; - void setReadBuffer(GLenum buffer); - - size_t getNumColorBuffers() const; - bool hasDepth() const; - bool hasStencil() const; - - bool usingExtendedDrawBuffers() const; - - // This method calls checkStatus. - int getSamples(const Context *context); - - Error getSamplePosition(size_t index, GLfloat *xy) const; - - GLint getDefaultWidth() const; - GLint getDefaultHeight() const; - GLint getDefaultSamples() const; - bool getDefaultFixedSampleLocations() const; - void setDefaultWidth(GLint defaultWidth); - void setDefaultHeight(GLint defaultHeight); - void setDefaultSamples(GLint defaultSamples); - void setDefaultFixedSampleLocations(bool defaultFixedSampleLocations); - - void invalidateCompletenessCache(); - - GLenum checkStatus(const Context *context); - - // TODO(jmadill): Remove this kludge. - GLenum checkStatus(const ValidationContext *context); - int getSamples(const ValidationContext *context); - - // For when we don't want to check completeness in getSamples(). - int getCachedSamples(const Context *context); - - // Helper for checkStatus == GL_FRAMEBUFFER_COMPLETE. - bool complete(const Context *context); - bool cachedComplete() const; - - bool hasValidDepthStencil() const; - - Error discard(const Context *context, size_t count, const GLenum *attachments); - Error invalidate(const Context *context, size_t count, const GLenum *attachments); - Error invalidateSub(const Context *context, - size_t count, - const GLenum *attachments, - const gl::Rectangle &area); - - Error clear(const gl::Context *context, GLbitfield mask); - Error clearBufferfv(const gl::Context *context, - GLenum buffer, - GLint drawbuffer, - const GLfloat *values); - Error clearBufferuiv(const gl::Context *context, - GLenum buffer, - GLint drawbuffer, - const GLuint *values); - Error clearBufferiv(const gl::Context *context, - GLenum buffer, - GLint drawbuffer, - const GLint *values); - Error clearBufferfi(const gl::Context *context, - GLenum buffer, - GLint drawbuffer, - GLfloat depth, - GLint stencil); - - GLenum getImplementationColorReadFormat(const Context *context) const; - GLenum getImplementationColorReadType(const Context *context) const; - Error readPixels(const gl::Context *context, - const gl::Rectangle &area, - GLenum format, - GLenum type, - void *pixels); - - Error blit(const gl::Context *context, - const Rectangle &sourceArea, - const Rectangle &destArea, - GLbitfield mask, - GLenum filter); - - enum DirtyBitType : size_t - { - DIRTY_BIT_COLOR_ATTACHMENT_0, - DIRTY_BIT_COLOR_ATTACHMENT_MAX = - DIRTY_BIT_COLOR_ATTACHMENT_0 + gl::IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS, - DIRTY_BIT_DEPTH_ATTACHMENT = DIRTY_BIT_COLOR_ATTACHMENT_MAX, - DIRTY_BIT_STENCIL_ATTACHMENT, - DIRTY_BIT_DRAW_BUFFERS, - DIRTY_BIT_READ_BUFFER, - DIRTY_BIT_DEFAULT_WIDTH, - DIRTY_BIT_DEFAULT_HEIGHT, - DIRTY_BIT_DEFAULT_SAMPLES, - DIRTY_BIT_DEFAULT_FIXED_SAMPLE_LOCATIONS, - DIRTY_BIT_UNKNOWN, - DIRTY_BIT_MAX = DIRTY_BIT_UNKNOWN - }; - - typedef angle::BitSet<DIRTY_BIT_MAX> DirtyBits; - bool hasAnyDirtyBit() const { return mDirtyBits.any(); } - - void syncState(const Context *context); - - // OnAttachmentChangedReceiver implementation - void signal(size_t dirtyBit, InitState state) override; - - bool formsRenderingFeedbackLoopWith(const State &state) const; - bool formsCopyingFeedbackLoopWith(GLuint copyTextureID, - GLint copyTextureLevel, - GLint copyTextureLayer) const; - - Error ensureDrawAttachmentsInitialized(const Context *context); - Error ensureReadAttachmentInitialized(const Context *context, GLbitfield blitMask); - Box getDimensions() const; - - bool hasTextureAttachment(const Texture *texture) const; - - private: - bool detachResourceById(const Context *context, GLenum resourceType, GLuint resourceId); - bool detachMatchingAttachment(const Context *context, - FramebufferAttachment *attachment, - GLenum matchType, - GLuint matchId, - size_t dirtyBit); - GLenum checkStatusImpl(const Context *context); - void setAttachment(const Context *context, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource, - GLsizei numViews, - GLuint baseViewIndex, - GLenum multiviewLayout, - const GLint *viewportOffsets); - void commitWebGL1DepthStencilIfConsistent(const Context *context, - GLsizei numViews, - GLuint baseViewIndex, - GLenum multiviewLayout, - const GLint *viewportOffsets); - void setAttachmentImpl(const Context *context, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource, - GLsizei numViews, - GLuint baseViewIndex, - GLenum multiviewLayout, - const GLint *viewportOffsets); - void updateAttachment(const Context *context, - FramebufferAttachment *attachment, - size_t dirtyBit, - OnAttachmentDirtyBinding *onDirtyBinding, - GLenum type, - GLenum binding, - const ImageIndex &textureIndex, - FramebufferAttachmentObject *resource, - GLsizei numViews, - GLuint baseViewIndex, - GLenum multiviewLayout, - const GLint *viewportOffsets); - - void markDrawAttachmentsInitialized(bool color, bool depth, bool stencil); - void markBufferInitialized(GLenum bufferType, GLint bufferIndex); - Error ensureBufferInitialized(const Context *context, GLenum bufferType, GLint bufferIndex); - - // Checks that we have a partially masked clear: - // * some color channels are masked out - // * some stencil values are masked out - // * scissor test partially overlaps the framebuffer - bool partialClearNeedsInit(const Context *context, bool color, bool depth, bool stencil); - bool partialBufferClearNeedsInit(const Context *context, GLenum bufferType); - - FramebufferState mState; - rx::FramebufferImpl *mImpl; - GLuint mId; - - Optional<GLenum> mCachedStatus; - std::vector<OnAttachmentDirtyBinding> mDirtyColorAttachmentBindings; - OnAttachmentDirtyBinding mDirtyDepthAttachmentBinding; - OnAttachmentDirtyBinding mDirtyStencilAttachmentBinding; - - DirtyBits mDirtyBits; - - // A cache of attached textures for quick validation of feedback loops. - mutable Optional<std::set<const FramebufferAttachmentObject *>> mAttachedTextures; -}; - -} // namespace gl - -#endif // LIBANGLE_FRAMEBUFFER_H_ |