/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _GL_CLIENT_STATE_H_ #define _GL_CLIENT_STATE_H_ #define GL_API #ifndef ANDROID #define GL_APIENTRY #define GL_APIENTRYP #endif #include "TextureSharedData.h" #include #include #include #include #include #include #include "ErrorLog.h" #include "codec_defs.h" #include #include #include // Tracking framebuffer objects: // which framebuffer is bound, // and which texture names // are currently bound to which attachment points. struct FboProps { GLuint name; bool previouslyBound; std::vector colorAttachmenti_textures; GLuint depthAttachment_texture; GLuint stencilAttachment_texture; GLuint depthstencilAttachment_texture; std::vector colorAttachmenti_hasTex; bool depthAttachment_hasTexObj; bool stencilAttachment_hasTexObj; bool depthstencilAttachment_hasTexObj; std::vector colorAttachmenti_rbos; GLuint depthAttachment_rbo; GLuint stencilAttachment_rbo; GLuint depthstencilAttachment_rbo; std::vector colorAttachmenti_hasRbo; bool depthAttachment_hasRbo; bool stencilAttachment_hasRbo; bool depthstencilAttachment_hasRbo; }; // Same for Rbo's struct RboProps { GLenum target; GLuint name; GLenum format; GLsizei multisamples; bool previouslyBound; }; // Enum for describing whether a framebuffer attachment // is a texture or renderbuffer. enum FboAttachmentType { FBO_ATTACHMENT_RENDERBUFFER = 0, FBO_ATTACHMENT_TEXTURE = 1, FBO_ATTACHMENT_NONE = 2 }; // Tracking FBO format struct FboFormatInfo { FboAttachmentType type; GLenum rb_format; GLsizei rb_multisamples; GLint tex_internalformat; GLenum tex_format; GLenum tex_type; GLsizei tex_multisamples; }; class GLClientState { public: typedef enum { VERTEX_LOCATION = 0, NORMAL_LOCATION = 1, COLOR_LOCATION = 2, POINTSIZE_LOCATION = 3, TEXCOORD0_LOCATION = 4, TEXCOORD1_LOCATION = 5, TEXCOORD2_LOCATION = 6, TEXCOORD3_LOCATION = 7, TEXCOORD4_LOCATION = 8, TEXCOORD5_LOCATION = 9, TEXCOORD6_LOCATION = 10, TEXCOORD7_LOCATION = 11, MATRIXINDEX_LOCATION = 12, WEIGHT_LOCATION = 13, LAST_LOCATION = 14 } StateLocation; typedef struct { GLint enabled; GLint size; GLenum type; GLsizei stride; void *data; GLuint reloffset; GLuint bufferObject; GLenum glConst; unsigned int elementSize; bool enableDirty; // true if any enable state has changed since last draw bool normalized; GLuint divisor; bool isInt; int bindingindex; } VertexAttribState; struct BufferBinding { GLintptr offset; GLintptr stride; GLintptr effectiveStride; GLsizeiptr size; GLuint buffer; GLuint divisor; }; typedef std::vector VertexAttribStateVector; typedef std::vector VertexAttribBindingVector; struct VAOState { VAOState(GLuint ibo, int nLoc, int nBindings) : element_array_buffer_binding(ibo), attribState(nLoc), bindingState(nBindings) { } VertexAttribStateVector attribState; VertexAttribBindingVector bindingState; GLuint element_array_buffer_binding; }; typedef std::map VAOStateMap; struct VAOStateRef { VAOStateRef() { } VAOStateRef( VAOStateMap::iterator iter) : it(iter) { } VertexAttribState& operator[](size_t k) { return it->second.attribState[k]; } BufferBinding& bufferBinding(size_t k) { return it->second.bindingState[k]; } VertexAttribBindingVector& bufferBindings() { return it->second.bindingState; } const VertexAttribBindingVector& bufferBindings_const() const { return it->second.bindingState; } GLuint vaoId() const { return it->first; } GLuint& iboId() { return it->second.element_array_buffer_binding; } VAOStateMap::iterator it; }; typedef struct { int unpack_alignment; int unpack_row_length; int unpack_image_height; int unpack_skip_pixels; int unpack_skip_rows; int unpack_skip_images; int pack_alignment; int pack_row_length; int pack_skip_pixels; int pack_skip_rows; } PixelStoreState; enum { MAX_TEXTURE_UNITS = 256, }; public: GLClientState(); GLClientState(int majorVersion, int minorVersion); ~GLClientState(); int nLocations() { return m_nLocations; } const PixelStoreState *pixelStoreState() { return &m_pixelStore; } int setPixelStore(GLenum param, GLint value); GLuint currentVertexArrayObject() const { return m_currVaoState.vaoId(); } const VertexAttribBindingVector& currentVertexBufferBindings() const { return m_currVaoState.bufferBindings_const(); } GLuint currentArrayVbo() { return m_arrayBuffer; } GLuint currentIndexVbo() { return m_currVaoState.iboId(); } void enable(int location, int state); // Vertex array objects and vertex attributes void addVertexArrayObjects(GLsizei n, GLuint* arrays); void removeVertexArrayObjects(GLsizei n, const GLuint* arrays); void addVertexArrayObject(GLuint name); void removeVertexArrayObject(GLuint name); void setVertexArrayObject(GLuint vao); bool isVertexArrayObject(GLuint vao) const; void setVertexAttribState(int location, int size, GLenum type, GLboolean normalized, GLsizei stride, const void *data, bool isInt = false); void setVertexBindingDivisor(int bindingindex, GLuint divisor); const BufferBinding& getCurrAttributeBindingInfo(int attribindex); void setVertexAttribBinding(int attribindex, int bindingindex); void setVertexAttribFormat(int location, int size, GLenum type, GLboolean normalized, GLuint reloffset, bool isInt = false); const VertexAttribState& getState(int location); const VertexAttribState& getStateAndEnableDirty(int location, bool *enableChanged); int getLocation(GLenum loc); void setActiveTexture(int texUnit) {m_activeTexture = texUnit; }; int getActiveTexture() const { return m_activeTexture; } void setMaxVertexAttribs(int val) { m_maxVertexAttribs = val; m_maxVertexAttribsDirty = false; } void addBuffer(GLuint id); void removeBuffer(GLuint id); bool bufferIdExists(GLuint id) const; void unBindBuffer(GLuint id); int bindBuffer(GLenum target, GLuint id); void bindIndexedBuffer(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size, GLintptr stride, GLintptr effectiveStride); int getMaxIndexedBufferBindings(GLenum target) const; int getBuffer(GLenum target); size_t pixelDataSize(GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, int pack) const; size_t pboNeededDataSize(GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, int pack) const; size_t clearBufferNumElts(GLenum buffer) const; void setCurrentProgram(GLint program) { m_currentProgram = program; } void setCurrentShaderProgram(GLint program) { m_currentShaderProgram = program; } GLint currentProgram() const { return m_currentProgram; } GLint currentShaderProgram() const { return m_currentShaderProgram; } struct UniformBlockInfoKey { GLuint program; GLuint uniformBlockIndex; }; struct UniformBlockInfoKeyCompare { bool operator() (const UniformBlockInfoKey& a, const UniformBlockInfoKey& b) const { if (a.program != b.program) return a.program < b.program; if (a.uniformBlockIndex != b.uniformBlockIndex) return a.uniformBlockIndex < b.uniformBlockIndex; return false; } }; struct UniformBlockUniformInfo { size_t numActiveUniforms; }; typedef std::map UniformBlockInfoMap; UniformBlockInfoMap m_uniformBlockInfoMap; void setNumActiveUniformsInUniformBlock(GLuint program, GLuint uniformBlockIndex, GLint numActiveUniforms); size_t numActiveUniformsInUniformBlock(GLuint program, GLuint uniformBlockIndex) const; typedef std::map ProgramPipelineMap; typedef ProgramPipelineMap::iterator ProgramPipelineIterator; void associateProgramWithPipeline(GLuint program, GLuint pipeline); ProgramPipelineIterator programPipelineBegin(); ProgramPipelineIterator programPipelineEnd(); /* OES_EGL_image_external * * These functions manipulate GL state which interacts with the * OES_EGL_image_external extension, to support client-side emulation on * top of host implementations that don't have it. * * Most of these calls should only be used with TEXTURE_2D or * TEXTURE_EXTERNAL_OES texture targets; TEXTURE_CUBE_MAP or other extension * targets should bypass this. An exception is bindTexture(), which should * see all glBindTexture() calls for any target. */ // glActiveTexture(GL_TEXTURE0 + i) // Sets the active texture unit. Up to MAX_TEXTURE_UNITS are supported. GLenum setActiveTextureUnit(GLenum texture); GLenum getActiveTextureUnit() const; // glEnable(GL_TEXTURE_(2D|EXTERNAL_OES)) void enableTextureTarget(GLenum target); // glDisable(GL_TEXTURE_(2D|EXTERNAL_OES)) void disableTextureTarget(GLenum target); // Implements the target priority logic: // * Return GL_TEXTURE_EXTERNAL_OES if enabled, else // * Return GL_TEXTURE_2D if enabled, else // * Return the allDisabled value. // For some cases passing GL_TEXTURE_2D for allDisabled makes callee code // simpler; for other cases passing a recognizable enum like GL_ZERO or // GL_INVALID_ENUM is appropriate. GLenum getPriorityEnabledTarget(GLenum allDisabled) const; // glBindTexture(GL_TEXTURE_*, ...) // Set the target binding of the active texture unit to texture. Returns // GL_NO_ERROR on success or GL_INVALID_OPERATION if the texture has // previously been bound to a different target. If firstUse is not NULL, // it is set to indicate whether this is the first use of the texture. // For accurate error detection, bindTexture should be called for *all* // targets, not just 2D and EXTERNAL_OES. GLenum bindTexture(GLenum target, GLuint texture, GLboolean* firstUse); void setBoundEGLImage(GLenum target, GLeglImageOES image); // Return the texture currently bound to GL_TEXTURE_(2D|EXTERNAL_OES). GLuint getBoundTexture(GLenum target) const; // Other publicly-visible texture queries GLenum queryTexLastBoundTarget(GLuint name) const; GLenum queryTexFormat(GLuint name) const; GLint queryTexInternalFormat(GLuint name) const; GLsizei queryTexWidth(GLsizei level, GLuint name) const; GLsizei queryTexHeight(GLsizei level, GLuint name) const; GLsizei queryTexDepth(GLsizei level, GLuint name) const; bool queryTexEGLImageBacked(GLuint name) const; // For AMD GPUs, it is easy for the emulator to segfault // (esp. in dEQP) when a cube map is defined using glCopyTexImage2D // and uses GL_LUMINANCE as internal format. // In particular, the segfault happens when negative components of // cube maps are defined before positive ones, // This procedure checks internal state to see if we have defined // the positive component of a cube map already. If not, it returns // which positive component needs to be defined first. // If there is no need for the extra definition, 0 is returned. GLenum copyTexImageLuminanceCubeMapAMDWorkaround(GLenum target, GLint level, GLenum internalformat); // Tracks the format of the currently bound texture. // This is to pass dEQP tests for fbo completeness. void setBoundTextureInternalFormat(GLenum target, GLint format); void setBoundTextureFormat(GLenum target, GLenum format); void setBoundTextureType(GLenum target, GLenum type); void setBoundTextureDims(GLenum target, GLsizei level, GLsizei width, GLsizei height, GLsizei depth); void setBoundTextureSamples(GLenum target, GLsizei samples); // glTexStorage2D disallows any change in texture format after it is set for a particular texture. void setBoundTextureImmutableFormat(GLenum target); bool isBoundTextureImmutableFormat(GLenum target) const; // glDeleteTextures(...) // Remove references to the to-be-deleted textures. void deleteTextures(GLsizei n, const GLuint* textures); // Render buffer objects void addRenderbuffers(GLsizei n, GLuint* renderbuffers); void removeRenderbuffers(GLsizei n, const GLuint* renderbuffers); bool usedRenderbufferName(GLuint name) const; void bindRenderbuffer(GLenum target, GLuint name); GLuint boundRenderbuffer() const; void setBoundRenderbufferFormat(GLenum format); void setBoundRenderbufferSamples(GLsizei samples); // Frame buffer objects void addFramebuffers(GLsizei n, GLuint* framebuffers); void removeFramebuffers(GLsizei n, const GLuint* framebuffers); bool usedFramebufferName(GLuint name) const; void bindFramebuffer(GLenum target, GLuint name); void setCheckFramebufferStatus(GLenum target, GLenum status); GLenum getCheckFramebufferStatus(GLenum target) const; GLuint boundFramebuffer(GLenum target) const; // Texture object -> FBO void attachTextureObject(GLenum target, GLenum attachment, GLuint texture); GLuint getFboAttachmentTextureId(GLenum target, GLenum attachment) const; // RBO -> FBO void detachRbo(GLuint renderbuffer); void detachRboFromFbo(GLenum target, GLenum attachment, GLuint renderbuffer); void attachRbo(GLenum target, GLenum attachment, GLuint renderbuffer); GLuint getFboAttachmentRboId(GLenum target, GLenum attachment) const; // FBO attachments in general bool attachmentHasObject(GLenum target, GLenum attachment) const; GLuint objectOfAttachment(GLenum target, GLenum attachment) const; // Transform feedback state void setTransformFeedbackActiveUnpaused(bool activeUnpaused); bool getTransformFeedbackActiveUnpaused() const; void setTextureData(SharedTextureDataMap* sharedTexData); // set eglsurface property on default framebuffer // if coming from eglMakeCurrent void fromMakeCurrent(); // set indexed buffer state. // We need to query the underlying OpenGL to get // accurate values for indexed buffers // and # render targets. void initFromCaps( int max_transform_feedback_separate_attribs, int max_uniform_buffer_bindings, int max_atomic_counter_buffer_bindings, int max_shader_storage_buffer_bindings, int max_vertex_attrib_bindings, int max_color_attachments, int max_draw_buffers); bool needsInitFromCaps() const; // Queries the format backing the current framebuffer. // Type differs depending on whether the attachment // is a texture or renderbuffer. void getBoundFramebufferFormat( GLenum target, GLenum attachment, FboFormatInfo* res_info) const; FboAttachmentType getBoundFramebufferAttachmentType( GLenum target, GLenum attachment) const; int getMaxColorAttachments() const; int getMaxDrawBuffers() const; private: void init(); bool m_initialized; PixelStoreState m_pixelStore; std::set mBufferIds; // GL_ARRAY_BUFFER_BINDING is separate from VAO state GLuint m_arrayBuffer; VAOStateMap m_vaoMap; VAOStateRef m_currVaoState; // Other buffer id's, other targets GLuint m_copyReadBuffer; GLuint m_copyWriteBuffer; GLuint m_pixelPackBuffer; GLuint m_pixelUnpackBuffer; GLuint m_transformFeedbackBuffer; GLuint m_uniformBuffer; GLuint m_atomicCounterBuffer; GLuint m_dispatchIndirectBuffer; GLuint m_drawIndirectBuffer; GLuint m_shaderStorageBuffer; bool m_transformFeedbackActiveUnpaused; int m_max_transform_feedback_separate_attribs; int m_max_uniform_buffer_bindings; int m_max_atomic_counter_buffer_bindings; int m_max_shader_storage_buffer_bindings; int m_max_vertex_attrib_bindings; std::vector m_indexedTransformFeedbackBuffers; std::vector m_indexedUniformBuffers; std::vector m_indexedAtomicCounterBuffers; std::vector m_indexedShaderStorageBuffers; int m_glesMajorVersion; int m_glesMinorVersion; int m_maxVertexAttribs; bool m_maxVertexAttribsDirty; int m_nLocations; int m_activeTexture; GLint m_currentProgram; GLint m_currentShaderProgram; ProgramPipelineMap m_programPipelines; enum TextureTarget { TEXTURE_2D = 0, TEXTURE_EXTERNAL = 1, TEXTURE_CUBE_MAP = 2, TEXTURE_2D_ARRAY = 3, TEXTURE_3D = 4, TEXTURE_2D_MULTISAMPLE = 5, TEXTURE_TARGET_COUNT }; struct TextureUnit { unsigned int enables; GLuint texture[TEXTURE_TARGET_COUNT]; }; struct TextureState { TextureUnit unit[MAX_TEXTURE_UNITS]; TextureUnit* activeUnit; // Initialized from shared group. SharedTextureDataMap* textureRecs; }; TextureState m_tex; // State tracking of cube map definitions. // Currently used only for driver workarounds // when using GL_LUMINANCE and defining cube maps with // glCopyTexImage2D. struct CubeMapDef { GLuint id; GLenum target; GLint level; GLenum internalformat; }; struct CubeMapDefCompare { bool operator() (const CubeMapDef& a, const CubeMapDef& b) const { if (a.id != b.id) return a.id < b.id; if (a.target != b.target) return a.target < b.target; if (a.level != b.level) return a.level < b.level; if (a.internalformat != b.internalformat) return a.internalformat < b.internalformat; return false; } }; std::set m_cubeMapDefs; void writeCopyTexImageState(GLenum target, GLint level, GLenum internalformat); GLenum copyTexImageNeededTarget(GLenum target, GLint level, GLenum internalformat); int m_max_color_attachments; int m_max_draw_buffers; struct RboState { GLuint boundRenderbuffer; size_t boundRenderbufferIndex; std::vector rboData; }; RboState mRboState; void addFreshRenderbuffer(GLuint name); void setBoundRenderbufferIndex(); size_t getRboIndex(GLuint name) const; RboProps& boundRboProps(); const RboProps& boundRboProps_const() const; struct FboState { GLuint boundDrawFramebuffer; GLuint boundReadFramebuffer; size_t boundFramebufferIndex; std::map fboData; GLenum drawFboCheckStatus; GLenum readFboCheckStatus; }; FboState mFboState; void addFreshFramebuffer(GLuint name); FboProps& boundFboProps(GLenum target); const FboProps& boundFboProps_const(GLenum target) const; // Querying framebuffer format GLenum queryRboFormat(GLuint name) const; GLsizei queryRboSamples(GLuint name) const; GLenum queryTexType(GLuint name) const; GLsizei queryTexSamples(GLuint name) const; static int compareTexId(const void* pid, const void* prec); TextureRec* addTextureRec(GLuint id, GLenum target); TextureRec* getTextureRec(GLuint id) const; public: void getClientStatePointer(GLenum pname, GLvoid** params); template int getVertexAttribParameter(GLuint index, GLenum param, T *ptr) { bool handled = true; const VertexAttribState& vertexAttrib = getState(index); const BufferBinding& vertexAttribBufferBinding = m_currVaoState.bufferBindings_const()[vertexAttrib.bindingindex]; switch(param) { #define GL_VERTEX_ATTRIB_BINDING 0x82D4 case GL_VERTEX_ATTRIB_BINDING: *ptr = (T)vertexAttrib.bindingindex; break; #define GL_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D5 case GL_VERTEX_ATTRIB_RELATIVE_OFFSET: *ptr = (T)vertexAttrib.reloffset; break; case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: *ptr = (T)(vertexAttribBufferBinding.buffer); break; case GL_VERTEX_ATTRIB_ARRAY_ENABLED: *ptr = (T)(vertexAttrib.enabled); break; #define GL_VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD case GL_VERTEX_ATTRIB_ARRAY_INTEGER: *ptr = (T)(vertexAttrib.isInt); break; case GL_VERTEX_ATTRIB_ARRAY_SIZE: *ptr = (T)(vertexAttrib.size); break; case GL_VERTEX_ATTRIB_ARRAY_STRIDE: *ptr = (T)(vertexAttribBufferBinding.stride); break; case GL_VERTEX_ATTRIB_ARRAY_TYPE: *ptr = (T)(vertexAttrib.type); break; case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: *ptr = (T)(vertexAttrib.normalized); break; case GL_CURRENT_VERTEX_ATTRIB: handled = false; break; default: handled = false; ERR("unknown vertex-attrib parameter param %d\n", param); } return handled; } template bool getClientStateParameter(GLenum param, T* out) { bool isClientStateParam = false; switch (param) { case GL_CLIENT_ACTIVE_TEXTURE: { GLint tex = getActiveTexture() + GL_TEXTURE0; *out = tex; isClientStateParam = true; break; } case GL_VERTEX_ARRAY_SIZE: { const GLClientState::VertexAttribState& state = getState(GLClientState::VERTEX_LOCATION); *out = state.size; isClientStateParam = true; break; } case GL_VERTEX_ARRAY_TYPE: { const GLClientState::VertexAttribState& state = getState(GLClientState::VERTEX_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_VERTEX_ARRAY_STRIDE: { const GLClientState::VertexAttribState& state = getState(GLClientState::VERTEX_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_COLOR_ARRAY_SIZE: { const GLClientState::VertexAttribState& state = getState(GLClientState::COLOR_LOCATION); *out = state.size; isClientStateParam = true; break; } case GL_COLOR_ARRAY_TYPE: { const GLClientState::VertexAttribState& state = getState(GLClientState::COLOR_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_COLOR_ARRAY_STRIDE: { const GLClientState::VertexAttribState& state = getState(GLClientState::COLOR_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_NORMAL_ARRAY_TYPE: { const GLClientState::VertexAttribState& state = getState(GLClientState::NORMAL_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_NORMAL_ARRAY_STRIDE: { const GLClientState::VertexAttribState& state = getState(GLClientState::NORMAL_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_TEXTURE_COORD_ARRAY_SIZE: { const GLClientState::VertexAttribState& state = getState(getActiveTexture() + GLClientState::TEXCOORD0_LOCATION); *out = state.size; isClientStateParam = true; break; } case GL_TEXTURE_COORD_ARRAY_TYPE: { const GLClientState::VertexAttribState& state = getState(getActiveTexture() + GLClientState::TEXCOORD0_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_TEXTURE_COORD_ARRAY_STRIDE: { const GLClientState::VertexAttribState& state = getState(getActiveTexture() + GLClientState::TEXCOORD0_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_POINT_SIZE_ARRAY_TYPE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::POINTSIZE_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_POINT_SIZE_ARRAY_STRIDE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::POINTSIZE_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_MATRIX_INDEX_ARRAY_SIZE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::MATRIXINDEX_LOCATION); *out = state.size; isClientStateParam = true; break; } case GL_MATRIX_INDEX_ARRAY_TYPE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::MATRIXINDEX_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_MATRIX_INDEX_ARRAY_STRIDE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::MATRIXINDEX_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_WEIGHT_ARRAY_SIZE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::WEIGHT_LOCATION); *out = state.size; isClientStateParam = true; break; } case GL_WEIGHT_ARRAY_TYPE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::WEIGHT_LOCATION); *out = state.type; isClientStateParam = true; break; } case GL_WEIGHT_ARRAY_STRIDE_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::WEIGHT_LOCATION); *out = state.stride; isClientStateParam = true; break; } case GL_VERTEX_ARRAY_BUFFER_BINDING: { const GLClientState::VertexAttribState& state = getState(GLClientState::VERTEX_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_NORMAL_ARRAY_BUFFER_BINDING: { const GLClientState::VertexAttribState& state = getState(GLClientState::NORMAL_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_COLOR_ARRAY_BUFFER_BINDING: { const GLClientState::VertexAttribState& state = getState(GLClientState::COLOR_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING: { const GLClientState::VertexAttribState& state = getState(getActiveTexture()+GLClientState::TEXCOORD0_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::POINTSIZE_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::MATRIXINDEX_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_WEIGHT_ARRAY_BUFFER_BINDING_OES: { const GLClientState::VertexAttribState& state = getState(GLClientState::WEIGHT_LOCATION); *out = state.bufferObject; isClientStateParam = true; break; } case GL_ARRAY_BUFFER_BINDING: { int buffer = getBuffer(GL_ARRAY_BUFFER); *out = buffer; isClientStateParam = true; break; } case GL_ELEMENT_ARRAY_BUFFER_BINDING: { int buffer = getBuffer(GL_ELEMENT_ARRAY_BUFFER); *out = buffer; isClientStateParam = true; break; } case GL_MAX_VERTEX_ATTRIBS: { if (m_maxVertexAttribsDirty) { isClientStateParam = false; } else { *out = m_maxVertexAttribs; isClientStateParam = true; } break; } } return isClientStateParam; } }; #endif