Cogs.Core
Public Member Functions | Public Attributes | Private Attributes | List of all members
Cogs::ContextGL20 Struct Reference
Inheritance diagram for Cogs::ContextGL20:
Cogs::ContextCommon Cogs::IContext

Public Member Functions

void initialize (CapabilitiesGL20 *capabilities, BuffersGL20 *buffers, TexturesGL20 *textures, EffectsGL20 *effects, RenderTargetsGL20 *renderTargets, GLSyncObjects *sync)
 
void releaseResources ()
 
EffectHandle getCurrentEffect () override
 
IEffectsgetEffects () override
 
InputAssemblerStateCommongetIAState () override
 
void signal (FenceHandle fenceHandle) override
 Insert a fence in the command stream that will signal when all commands before the fence are completed.
 
void beginRenderPass (const RenderPassInfo &info) override
 Begin a render pass.
 
void endRenderPass () override
 End a render pass.
 
void setRenderTarget (const RenderTargetHandle handle, const DepthStencilHandle depthStencilHandle) override
 Sets the current render target and an associated depth stencil target.
 
void setViewport (const float x, const float y, const float width, const float height) override
 Sets the current viewport to the given location and dimensions.
 
void setScissor (const int x, const int y, const int width, const int height) override
 Sets the current scissor rectangle.
 
void clearRenderTarget (const float *color) override
 Clear the currently set render target to the given value (4 component floating point RGBA).
 
void clearRenderTarget (const float **colors, const int count) override
 Clear the currently set render target, setting the individual render target views to the given values (4 component floating point RGBA).
 
void clearDepth (const float depth=1.0f) override
 Clear the currently set depth/stencil target to the given depth.
 
void setDepthStencilState (const DepthStencilStateHandle handle) override
 Set the current depth stencil state.
 
void setBlendState (const BlendStateHandle handle, const float *constant) override
 Set the current blend state.
 
void setRasterizerState (const RasterizerStateHandle handle) override
 Set the current rasterizer state.
 
void resolveResource (TextureHandle source, TextureHandle destination) override
 Resolves the given source resource target into the given destination texture.
 
void setEffect (EffectHandle effectHandle) override
 Set the current effect.
 
EffectHandle getEffect () const
 
void setTexture (const TextureBindingHandle textureBindingHandle, const TextureHandle textureHandle) override
 Sets the texture given to the binding given by textureBindingHandle.
 
void setTexture (const TextureBindingHandle textureBindingHandle, TextureViewHandle textureViewHandle) override
 
void setSamplerState (const SamplerStateBindingHandle samplerStateBindingHandle, const SamplerStateHandle samplerStateHandle) override
 Sets the sampler state binding given to the given sampler state.
 
void setInputLayout (const InputLayoutHandle inputLayoutHandle) override
 Sets the current input layout.
 
void setVertexBuffers (const VertexBufferHandle *vertexBufferHandles, const size_t count, const uint32_t *strides, const uint32_t *offsets) override
 Sets the current vertex buffers.
 
void setVertexBuffers (const VertexBufferHandle *vertexBufferHandles, const size_t count) override
 Overload provided to support transitioning.
 
void setIndexBuffer (IndexBufferHandle indexBufferHandle, uint32_t stride, uint32_t offset) override
 Sets the current index buffer.
 
void setConstantBuffer (const ConstantBufferBindingHandle bufferBinding, const BufferHandle bufferHandle, const uint32_t offset, const uint32_t size) override
 Sets a constant buffer to the given constant buffer binding.
 
void setBuffer (const BufferBindingHandle bufferBindingHandle, BufferHandle bufferHandle) override
 Sets a buffer to bind to the given binding.
 
void setBufferCounter (BufferHandle bufferHandle, uint32_t value) override
 Set the associated counter of a buffer.
 
void setBufferCounter (BufferHandle bufferHandle, BufferHandle sourceBufferHandle) override
 Set the associated counter of a buffer.
 
void getBufferCounter (BufferHandle bufferHandle, BufferHandle destinationBufferHandle) override
 Get the associated counter of a buffer.
 
uint32_t getBufferCounter (BufferHandle bufferHandle) override
 Get the associated counter of a buffer.
 
void draw (PrimitiveType::EPrimitiveType primitiveType, const size_t startVertex, const size_t numPrimitives) override
 Draws non-indexed, non-instanced primitives.
 
void drawIndexed (PrimitiveType::EPrimitiveType primitiveType, const size_t startIndex, const size_t numIndexes, const size_t startVertex=0) override
 Draws indexed, non-instanced primitives.
 
void drawInstanced (PrimitiveType::EPrimitiveType primitiveType, const size_t startVertex, const size_t numVertexes, const size_t startInstance, const size_t numInstances) override
 Draws non-indexed, instanced primitives.
 
void drawInstancedIndexed (PrimitiveType::EPrimitiveType primitiveType, const size_t startInstance, const size_t numInstances, const size_t startIndex, const size_t numIndexes) override
 Draws indexed, instanced primitives.
 
void dispatchCompute (const unsigned int threadGroupsX, const unsigned int threadGroupsY, const unsigned int threadGroupsZ) override
 Dispatch computing work on the graphics device using the desired thread group count.
 
void readDepthBuffer (BufferHandle bufferHandle, int x, int y, int width, int height, Framebuffer::EFrameBuffer framebuffer) override
 Reads data from the current depth target into the given bufferHandle.
 
void readColorBuffer (BufferHandle bufferHandle, int x, int y, int width, int height, Framebuffer::EFrameBuffer framebuffer) override
 Reads data from the current render target into the given bufferHandle.
 
void * map (BufferHandle bufferHandle, MapMode::EMapMode mapMode, uint32_t *stride) override
 Maps the given buffer so it can be accessed.
 
void unmap (BufferHandle bufferHandle) override
 Unmaps the given buffer, applying any synchronization necessary to reflect changes in the mapped memory.
 
void * map (TextureHandle, MapMode::EMapMode, uint32_t *, uint32_t *) override
 Create host mapping of a staging texture.
 
void unmap (TextureHandle) override
 Release a host mapping of a staging texture.
 
void updateSubTexture (TextureHandle textureHandle, const size_t level, const void *data) override
 Update the data of a level in the given texture.
 
void updateSubBuffer (BufferHandle bufferHandle, const size_t offset, const size_t size, const void *data) override
 Update a region of data in a buffer.
 
void copyResource (BufferHandle destinationHandle, BufferHandle sourceHandle) override
 
void copyResource (TextureHandle destinationHandle, TextureHandle sourceHandle) override
 
void copySubResource (BufferHandle destinationHandle, size_t destinationOffset, BufferHandle sourceHandle, size_t sourceOffset, size_t size)
 
void copyTexture (TextureHandle dstHandle, unsigned dstSub, unsigned dstX, unsigned dstY, unsigned dstZ, TextureHandle sourceHandle, unsigned srcSub) override
 
void clearResource (BufferHandle destinationHandle, uint32_t *Values) override
 
void clearResource (BufferHandle destinationHandle, float *Values) override
 
void preDraw ()
 
void postDraw ()
 
void syncCounterToEffect (const AtomicCounterMapGL20 mapping)
 
void syncCounterFromEffect (const AtomicCounterMapGL20 mapping)
 
void setDefaults ()
 
void reset () override
 Resets all state changes made to the GPU since the last call to beginFrame.
 
void setupVertexAttributes ()
 
void clearInputState ()
 
void pushCommandGroupAnnotation (const StringView &name) override
 Begin to tag a sequence of commands as a group in graphics debugger.
 
void popCommandGroupAnnotation () override
 End to tag a sequence of commands as a group in graphics debugger.
 
void setAnnotationMarker (const StringView &name) override
 Add a tag in the sequence of commands in graphics debugger.
 
- Public Member Functions inherited from Cogs::ContextCommon
virtual InputAssemblerStateCommongetIAState ()=0
 
virtual EffectHandle getCurrentEffect ()=0
 
virtual IEffectsgetEffects ()=0
 
const Cogs::FrameStatisticsgetLastFrameStatistics () override
 
const Cogs::UploadStatisticsgetLastUploadStatistics () override
 
void frameStatisticsConfigure (bool enable) override
 
void setMatrixVariable (const StringView &name, const float *value) override
 Sets the matrix variable with the given name in the current effect to value.
 
void setScalarVariable (const StringView &name, const float value) override
 Sets the scalar floating point variable with the given name to the given value.
 
void setScalarVariable (const StringView &name, int value) override
 Sets the scalar integer variable with the given name to the given value.
 
void setVector2Variable (const StringView &name, const float *value) override
 Sets the vector variable with the given name to the given two-component value.
 
void setVector3Variable (const StringView &name, const float *value) override
 Sets the vector variable with the given name to the given three-component value.
 
void setVector4Variable (const StringView &name, const float *value) override
 Sets the vector variable with the given name to the given four-component value.
 
void setVariable (const StringView &name, const uint8_t *data, size_t size)
 
void setVariable (const EffectVariableHandle index, const uint8_t *data, size_t size) override
 Sets the variable with the given name and size.
 
void setMatrixVariable (const EffectVariableHandle variableHandle, const float *value) override
 Sets the given matrix variable to value.
 
void setMatrixVariable (const EffectVariableHandle variableHandle, const float *value, size_t count) override
 Sets the given matrix variable to value.
 
void setScalarVariable (const EffectVariableHandle variableHandle, const float value) override
 Sets the given scalar floating point variable to the given value.
 
void setScalarVariable (const EffectVariableHandle variableHandle, const float *value, size_t count) override
 Sets the given scalar integer point variable to the given value.
 
void setScalarVariable (const EffectVariableHandle variableHandle, int value) override
 Sets the given scalar integer point variable to the given value.
 
void setScalarVariable (const EffectVariableHandle variableHandle, const int *value, size_t count) override
 Sets the given scalar integer point variable to the given value.
 
void setVector2Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1) override
 Sets the given vector variable to the given two-component value.
 
void setVector3Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1) override
 Sets the given vector variable to the given three-component value.
 
void setVector4Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1) override
 Sets the given vector variable to the given four-component value.
 
void setVector4Variable (const EffectVariableHandle variableHandle, const int *value, size_t count=1) override
 Sets the given vector variable to the given four-component value.
 
void setConstantBuffer (const StringView &name, const BufferHandle bufferHandle, const uint32_t offset, const uint32_t size) final
 Sets a constant buffer to be bound to the given name and slot.
 
void setBuffer (const StringView &name, BufferHandle bufferHandle) final
 Sets the given buffer to the buffer binding slot with the given name.
 
void setTexture (const StringView &name, unsigned int unit, TextureHandle textureHandle) final
 Sets the texture slot given by unit with the given name to contain the given texture.
 
void setTexture (const StringView &name, TextureViewHandle textureViewHandle) final
 
void setSamplerState (const StringView &name, unsigned int unit, SamplerStateHandle handle) final
 Sets the sampler slot given by unit with the given name to contain the given sampler state.
 
void setVertexArrayObject (VertexArrayObjectHandle vertexArrayObject) override
 
virtual void signal (FenceHandle) override
 Insert a fence in the command stream that will signal when all commands before the fence are completed.
 
void updateBuffer (BufferHandle bufferHandle, const void *data, size_t size) override
 Replace contents of buffer with new data.
 
void frameStatisticsBeginFrame ()
 
virtual void setConstantBuffer (const StringView &name, const BufferHandle bufferHandle, const uint32_t offset=0, const uint32_t size=~0u)=0
 Sets a constant buffer to be bound to the given name and slot.
 
virtual void setConstantBuffer (const ConstantBufferBindingHandle bufferBindingHandle, const BufferHandle bufferHandle, const uint32_t offset=0, const uint32_t size=~0u)=0
 Sets a constant buffer to the given constant buffer binding.
 
virtual void setBuffer (const StringView &name, BufferHandle bufferHandle)=0
 Sets the given buffer to the buffer binding slot with the given name.
 
virtual void setBuffer (const BufferBindingHandle bufferBindingHandle, BufferHandle bufferHandle)=0
 Sets a buffer to bind to the given binding.
 
virtual void setTexture (const StringView &name, unsigned int unit, TextureHandle textureHandle)=0
 Sets the texture slot given by unit with the given name to contain the given texture.
 
virtual void setTexture (const TextureBindingHandle textureBindingHandle, const TextureHandle textureHandle)=0
 Sets the texture given to the binding given by textureBindingHandle.
 
virtual void setTexture (const StringView &name, TextureViewHandle textureViewHandle)=0
 
virtual void setTexture (const TextureBindingHandle textureBindingHandle, TextureViewHandle textureViewHandle)=0
 
virtual void setSamplerState (const StringView &name, unsigned int unit, SamplerStateHandle samplerStateHandle)=0
 Sets the sampler slot given by unit with the given name to contain the given sampler state.
 
virtual void setSamplerState (const SamplerStateBindingHandle samplerStateBindingHandle, const SamplerStateHandle samplerStateHandle)=0
 Sets the sampler state binding given to the given sampler state.
 
- Public Member Functions inherited from Cogs::IContext
virtual const Cogs::FrameStatisticsgetLastFrameStatistics ()=0
 
virtual const Cogs::UploadStatisticsgetLastUploadStatistics ()=0
 
virtual void frameStatisticsConfigure (bool enable)=0
 
virtual void clearCachedState ()
 Prepare context for external manipulation of graphics device.
 
virtual void pushCommandGroupAnnotation (const StringView &name)
 Begin to tag a sequence of commands as a group in graphics debugger.
 
virtual void popCommandGroupAnnotation ()
 End to tag a sequence of commands as a group in graphics debugger.
 
virtual void setAnnotationMarker (const StringView &name)
 Add a tag in the sequence of commands in graphics debugger.
 
virtual void beginRenderPass (const RenderPassInfo &info)=0
 Begin a render pass.
 
virtual void endRenderPass ()=0
 End a render pass.
 
virtual void setRenderTarget (const RenderTargetHandle handle, const DepthStencilHandle depthStencilHandle)=0
 Sets the current render target and an associated depth stencil target.
 
virtual void setViewport (const float x, const float y, const float width, const float height)=0
 Sets the current viewport to the given location and dimensions.
 
virtual void setScissor (const int x, const int y, const int width, const int height)=0
 Sets the current scissor rectangle.
 
virtual void clearRenderTarget (const float *value)=0
 Clear the currently set render target to the given value (4 component floating point RGBA).
 
virtual void clearRenderTarget (const float **values, const int numvalues)=0
 Clear the currently set render target, setting the individual render target views to the given values (4 component floating point RGBA).
 
virtual void clearDepth (const float depth=1.0f)=0
 Clear the currently set depth/stencil target to the given depth.
 
virtual void setDepthStencilState (const DepthStencilStateHandle handle)=0
 Set the current depth stencil state.
 
virtual void setBlendState (const BlendStateHandle handle, const float *constant=nullptr)=0
 Set the current blend state.
 
virtual void setRasterizerState (const RasterizerStateHandle handle)=0
 Set the current rasterizer state.
 
virtual void setEffect (EffectHandle handle)=0
 Set the current effect.
 
virtual void setMatrixVariable (const StringView &name, const float *value)=0
 Sets the matrix variable with the given name in the current effect to value.
 
virtual void setScalarVariable (const StringView &name, const float value)=0
 Sets the scalar floating point variable with the given name to the given value.
 
virtual void setScalarVariable (const StringView &name, int value)=0
 Sets the scalar integer variable with the given name to the given value.
 
virtual void setVector2Variable (const StringView &name, const float *value)=0
 Sets the vector variable with the given name to the given two-component value.
 
virtual void setVector3Variable (const StringView &name, const float *value)=0
 Sets the vector variable with the given name to the given three-component value.
 
virtual void setVector4Variable (const StringView &name, const float *value)=0
 Sets the vector variable with the given name to the given four-component value.
 
virtual void setVariable (const EffectVariableHandle index, const uint8_t *data, size_t size)=0
 Sets the variable with the given name and size.
 
virtual void setMatrixVariable (const EffectVariableHandle variableHandle, const float *value)=0
 Sets the given matrix variable to value.
 
virtual void setMatrixVariable (const EffectVariableHandle variableHandle, const float *value, size_t count)=0
 Sets the given matrix variable to value.
 
virtual void setScalarVariable (const EffectVariableHandle variableHandle, const float value)=0
 Sets the given scalar floating point variable to the given value.
 
virtual void setScalarVariable (const EffectVariableHandle variableHandle, const float *value, size_t count)=0
 Sets the given scalar integer point variable to the given value.
 
virtual void setScalarVariable (const EffectVariableHandle variableHandle, int value)=0
 Sets the given scalar integer point variable to the given value.
 
virtual void setScalarVariable (const EffectVariableHandle variableHandle, const int *value, size_t count)=0
 Sets the given scalar integer point variable to the given value.
 
virtual void setVector2Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1)=0
 Sets the given vector variable to the given two-component value.
 
virtual void setVector3Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1)=0
 Sets the given vector variable to the given three-component value.
 
virtual void setVector4Variable (const EffectVariableHandle variableHandle, const float *value, size_t count=1)=0
 Sets the given vector variable to the given four-component value.
 
virtual void setVector4Variable (const EffectVariableHandle variableHandle, const int *value, size_t count=1)=0
 Sets the given vector variable to the given four-component value.
 
virtual void setTexture (const StringView &name, unsigned int unit, TextureHandle textureHandle)=0
 Sets the texture slot given by unit with the given name to contain the given texture.
 
virtual void setTexture (const TextureBindingHandle textureBindingHandle, const TextureHandle textureHandle)=0
 Sets the texture given to the binding given by textureBindingHandle.
 
virtual void setTexture (const StringView &name, TextureViewHandle textureViewHandle)=0
 
virtual void setTexture (const TextureBindingHandle textureBindingHandle, TextureViewHandle textureViewHandle)=0
 
virtual void setSamplerState (const StringView &name, unsigned int unit, SamplerStateHandle samplerStateHandle)=0
 Sets the sampler slot given by unit with the given name to contain the given sampler state.
 
virtual void setSamplerState (const SamplerStateBindingHandle samplerStateBindingHandle, const SamplerStateHandle samplerStateHandle)=0
 Sets the sampler state binding given to the given sampler state.
 
virtual void setInputLayout (const InputLayoutHandle inputLayoutHandle)=0
 Sets the current input layout.
 
virtual void setVertexBuffers (const VertexBufferHandle *vertexBufferHandles, const size_t count, const uint32_t *strides, const uint32_t *offsets)=0
 Sets the current vertex buffers.
 
virtual void setVertexBuffers (const VertexBufferHandle *vertexBufferHandles, const size_t count)=0
 Overload provided to support transitioning.
 
virtual void setIndexBuffer (IndexBufferHandle bufferHandle, uint32_t stride=4, uint32_t offset=0)=0
 Sets the current index buffer.
 
virtual void setVertexArrayObject (VertexArrayObjectHandle vertexArrayObject)=0
 Sets vertexBuffers and index buffers using a prevalidated vertex array object.
 
virtual void setConstantBuffer (const StringView &name, const BufferHandle bufferHandle, const uint32_t offset=0, const uint32_t size=~0u)=0
 Sets a constant buffer to be bound to the given name and slot.
 
virtual void setConstantBuffer (const ConstantBufferBindingHandle bufferBindingHandle, const BufferHandle bufferHandle, const uint32_t offset=0, const uint32_t size=~0u)=0
 Sets a constant buffer to the given constant buffer binding.
 
virtual void setBuffer (const StringView &name, BufferHandle bufferHandle)=0
 Sets the given buffer to the buffer binding slot with the given name.
 
virtual void setBuffer (const BufferBindingHandle bufferBindingHandle, BufferHandle bufferHandle)=0
 Sets a buffer to bind to the given binding.
 
virtual void setBufferCounter (BufferHandle bufferHandle, uint32_t value)=0
 Set the associated counter of a buffer.
 
virtual void setBufferCounter (BufferHandle bufferHandle, BufferHandle sourceBufferHandle)=0
 Set the associated counter of a buffer.
 
virtual void getBufferCounter (BufferHandle bufferHandle, BufferHandle destinationBufferHandle)=0
 Get the associated counter of a buffer.
 
virtual uint32_t getBufferCounter (BufferHandle bufferHandle)=0
 Get the associated counter of a buffer.
 
virtual void draw (PrimitiveType::EPrimitiveType primitiveType, const size_t startVertex, const size_t numVertexes)=0
 Draws non-indexed, non-instanced primitives.
 
virtual void drawIndexed (PrimitiveType::EPrimitiveType primitiveType, const size_t startIndex, const size_t numIndexes, const size_t startVertex=0)=0
 Draws indexed, non-instanced primitives.
 
virtual void drawInstanced (PrimitiveType::EPrimitiveType primitiveType, const size_t startVertex, const size_t numVertexes, const size_t startInstance, const size_t numInstances)=0
 Draws non-indexed, instanced primitives.
 
virtual void drawInstancedIndexed (PrimitiveType::EPrimitiveType primitiveType, const size_t startInstance, const size_t numInstances, const size_t startIndex, const size_t numIndexes)=0
 Draws indexed, instanced primitives.
 
virtual void dispatchCompute (const unsigned int threadGroupsX, const unsigned int threadGroupsY, const unsigned int threadGroupsZ)=0
 Dispatch computing work on the graphics device using the desired thread group count.
 
virtual void resolveResource (TextureHandle source, TextureHandle destination)=0
 Resolves the given source resource target into the given destination texture.
 
virtual void readDepthBuffer (BufferHandle bufferHandle, int x, int y, int width, int height, Framebuffer::EFrameBuffer framebuffer)=0
 Reads data from the current depth target into the given bufferHandle.
 
virtual void readColorBuffer (BufferHandle bufferHandle, int x, int y, int width, int height, Framebuffer::EFrameBuffer framebuffer)=0
 Reads data from the current render target into the given bufferHandle.
 
virtual void * map (BufferHandle bufferHandle, MapMode::EMapMode mapMode, uint32_t *stride=nullptr)=0
 Maps the given buffer so it can be accessed.
 
virtual void unmap (BufferHandle bufferHandle)=0
 Unmaps the given buffer, applying any synchronization necessary to reflect changes in the mapped memory.
 
virtual void updateBuffer (BufferHandle bufferHandle, const void *data, size_t size)=0
 Replace contents of buffer with new data.
 
virtual void * map (TextureHandle textureHandle, MapMode::EMapMode accessMode, uint32_t *rowPitch, uint32_t *depthPitch)=0
 Create host mapping of a staging texture.
 
virtual void unmap (TextureHandle textureHandle)=0
 Release a host mapping of a staging texture.
 
virtual void signal (FenceHandle fenceHandle)=0
 Insert a fence in the command stream that will signal when all commands before the fence are completed.
 
virtual void updateSubTexture (TextureHandle textureHandle, const size_t level, const void *data)=0
 Update the data of a level in the given texture.
 
virtual void updateSubBuffer (BufferHandle bufferHandle, const size_t offset, const size_t size, const void *data)=0
 Update a region of data in a buffer.
 
virtual void copyResource (BufferHandle destinationHandle, BufferHandle sourceHandle)=0
 
virtual void copyResource (TextureHandle destinationHandle, TextureHandle sourceHandle)=0
 
virtual void copyTexture (TextureHandle dstHandle, unsigned dstSub, unsigned dstX, unsigned dstY, unsigned dstZ, TextureHandle sourceHandle, unsigned srcSub)=0
 
virtual void clearResource (BufferHandle destinationHandle, uint32_t *Values)=0
 
virtual void clearResource (BufferHandle destinationHandle, float *Values)=0
 
virtual void reset ()
 Resets all state changes made to the GPU since the last call to beginFrame.
 

Public Attributes

InputAssemblerStateGL20 iaState = {}
 
CapabilitiesGL20capabilities = nullptr
 
BuffersGL20buffers = nullptr
 
TexturesGL20textures = nullptr
 
EffectsGL20effects = nullptr
 
RenderTargetsGL20renderTargets = nullptr
 
GLSyncObjectssyncObjects = nullptr
 
SamplerStateHandle defaultSamplerStateHandle
 

Private Attributes

std::vector< AtomicCounterMapGL20atomicCounterMappings
 
EffectHandle currentEffect
 
GLuint currentProgramId = 0
 
unsigned char * currentAttributeMap = nullptr
 
bool inRenderPass = false
 
RenderPassInfo renderPassInfo = {}
 
RenderTargetHandle currentRenderTarget
 
DepthStencilStateHandle currentDepthStencilState
 
std::vector< GLint > enabledAttributes
 
TextureHandle boundTextures [192]
 
SamplerStateHandle boundSamplerStates [192]
 
GLuint boundTarget [192]
 
GLuint maxImageUnits = 8
 
OpenGLState glState
 
GLuint vao = 0
 
bool needVertexAttributeSetup = true
 
bool enableMappingWorkaround = true
 
bool unorderedMemoryAcccess = false
 

Additional Inherited Members

- Protected Member Functions inherited from Cogs::ContextCommon
void setCurrentEffect (Effect *currentEffect)
 
void updateConstantBuffers ()
 
void frameStatisticsAccountDrawCall (size_t count, bool indexed)
 
void uploadStatisticsBufferUpload (size_t size)
 
void uploadStatisticsTextureUpload (size_t size)
 
- Protected Attributes inherited from Cogs::ContextCommon
FrameStatistics prevStats {}
 
FrameStatistics currStats {}
 
UploadStatistics prevUploadStats {}
 
UploadStatistics currUploadStats {}
 
struct Cogs::ContextCommon::TrackedState state
 
Effecteffect = nullptr
 
bool constantBuffersUpdated = true
 
bool frameStatisticsEnabled = false
 
bool uploadStatisticsEnabled = true
 

Detailed Description

Definition at line 32 of file ContextGL20.h.

Constructor & Destructor Documentation

◆ ContextGL20()

Cogs::ContextGL20::ContextGL20 ( )

Definition at line 92 of file ContextGL20.cpp.

Member Function Documentation

◆ beginRenderPass()

void Cogs::ContextGL20::beginRenderPass ( const RenderPassInfo info)
overridevirtual

Begin a render pass.

Render passes encapsulate binding render targets, multisample resolve and load and store operations.

While in a render pass do NOT use setRenderTarget(), clearRenderTarget(), clearDepth().

Check GraphicsDeviceCapabilities::RenderPass for support.

Implements Cogs::IContext.

Definition at line 408 of file ContextGL20.cpp.

◆ clearDepth()

void Cogs::ContextGL20::clearDepth ( const float  depth = 1.0f)
overridevirtual

Clear the currently set depth/stencil target to the given depth.

Implements Cogs::IContext.

Definition at line 504 of file ContextGL20.cpp.

◆ clearInputState()

void Cogs::ContextGL20::clearInputState ( )

Definition at line 723 of file ContextGL20.cpp.

◆ clearRenderTarget() [1/2]

void Cogs::ContextGL20::clearRenderTarget ( const float **  values,
const int  numvalues 
)
overridevirtual

Clear the currently set render target, setting the individual render target views to the given values (4 component floating point RGBA).

Implements Cogs::IContext.

Definition at line 495 of file ContextGL20.cpp.

◆ clearRenderTarget() [2/2]

void Cogs::ContextGL20::clearRenderTarget ( const float *  value)
overridevirtual

Clear the currently set render target to the given value (4 component floating point RGBA).

If the render target has less than 4 components, only the first n components need to be intended values.

Implements Cogs::IContext.

Definition at line 488 of file ContextGL20.cpp.

◆ clearResource() [1/2]

void Cogs::ContextGL20::clearResource ( BufferHandle  destinationHandle,
float *  Values 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 1227 of file ContextGL20.cpp.

◆ clearResource() [2/2]

void Cogs::ContextGL20::clearResource ( BufferHandle  destinationHandle,
uint32_t *  Values 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 1201 of file ContextGL20.cpp.

◆ copyResource() [1/2]

void Cogs::ContextGL20::copyResource ( BufferHandle  destinationHandle,
BufferHandle  sourceHandle 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 915 of file ContextGL20.cpp.

◆ copyResource() [2/2]

void Cogs::ContextGL20::copyResource ( TextureHandle  destinationHandle,
TextureHandle  sourceHandle 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 930 of file ContextGL20.cpp.

◆ copySubResource()

void Cogs::ContextGL20::copySubResource ( BufferHandle  destinationHandle,
size_t  destinationOffset,
BufferHandle  sourceHandle,
size_t  sourceOffset,
size_t  size 
)

Definition at line 935 of file ContextGL20.cpp.

◆ copyTexture()

void Cogs::ContextGL20::copyTexture ( TextureHandle  dstHandle,
unsigned  dstSub,
unsigned  dstX,
unsigned  dstY,
unsigned  dstZ,
TextureHandle  sourceHandle,
unsigned  srcSub 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 1170 of file ContextGL20.cpp.

◆ dispatchCompute()

void Cogs::ContextGL20::dispatchCompute ( const unsigned int  threadGroupsX,
const unsigned int  threadGroupsY,
const unsigned int  threadGroupsZ 
)
overridevirtual

Dispatch computing work on the graphics device using the desired thread group count.

Parameters
threadGroupsXNumber of work groups spawned in the X dimension.
threadGroupsYNumber of work groups spawned in the Y dimension.
threadGroupsZNumber of work groups spawned in the Z dimension.

Implements Cogs::IContext.

Definition at line 984 of file ContextGL20.cpp.

◆ draw()

void Cogs::ContextGL20::draw ( PrimitiveType::EPrimitiveType  primitiveType,
const size_t  startVertex,
const size_t  numVertexes 
)
overridevirtual

Draws non-indexed, non-instanced primitives.

Parameters
primitiveTypePrimitive type to assemble from the bound vertex buffers.
startVertexIndex of the first vertex in the bound vertex buffers to start at when drawing.
numVertexesNumber of vertexes to draw.

Implements Cogs::IContext.

Definition at line 263 of file ContextGL20.cpp.

◆ drawIndexed()

void Cogs::ContextGL20::drawIndexed ( PrimitiveType::EPrimitiveType  primitiveType,
const size_t  startIndex,
const size_t  numIndexes,
const size_t  startVertex = 0 
)
overridevirtual

Draws indexed, non-instanced primitives.

Parameters
primitiveTypePrimitive type to assemble from the bound vertex buffers.
startIndexIndex of the first item in the index buffer to start at when drawing.
numIndexesNumber of indexes to draw.
startVertexIndex of the base vertex in the vertex buffer to index from.

Implements Cogs::IContext.

Definition at line 236 of file ContextGL20.cpp.

◆ drawInstanced()

void Cogs::ContextGL20::drawInstanced ( PrimitiveType::EPrimitiveType  primitiveType,
const size_t  startVertex,
const size_t  numVertexes,
const size_t  startInstance,
const size_t  numInstances 
)
overridevirtual

Draws non-indexed, instanced primitives.

Parameters
primitiveTypePrimitive type to assemble from the bound vertex buffers.
startVertexIndex of the first vertex in the bound vertex buffers to start at when drawing each instance.
numVertexesNumber of vertexes to draw per instance.
startInstanceIndex of the first instance to start drawing at.
numInstancesNumber of instances to draw.

Implements Cogs::IContext.

Definition at line 282 of file ContextGL20.cpp.

◆ drawInstancedIndexed()

void Cogs::ContextGL20::drawInstancedIndexed ( PrimitiveType::EPrimitiveType  primitiveType,
const size_t  startInstance,
const size_t  numInstances,
const size_t  startIndex,
const size_t  numIndexes 
)
overridevirtual

Draws indexed, instanced primitives.

Parameters
primitiveTypePrimitive type to assemble from the bound vertex buffers.
startInstanceIndex of the first instance to start drawing at.
numInstancesNumber of instances to draw.
startIndexIndex of the first item in the index buffer to start at when drawing each instance.
numIndexesNumber of indexes to draw per instance.

Implements Cogs::IContext.

Definition at line 309 of file ContextGL20.cpp.

◆ endRenderPass()

void Cogs::ContextGL20::endRenderPass ( )
overridevirtual

End a render pass.

Implements Cogs::IContext.

Definition at line 427 of file ContextGL20.cpp.

◆ getBufferCounter() [1/2]

uint32_t Cogs::ContextGL20::getBufferCounter ( BufferHandle  bufferHandle)
overridevirtual

Get the associated counter of a buffer.

Returns
The value of the counter.

Implements Cogs::IContext.

Definition at line 1119 of file ContextGL20.cpp.

◆ getBufferCounter() [2/2]

void Cogs::ContextGL20::getBufferCounter ( BufferHandle  bufferHandle,
BufferHandle  destinationBufferHandle 
)
overridevirtual

Get the associated counter of a buffer.

Parameters
bufferHandleHandle to the buffer to get the counter from. This buffer must have been created with the StructuredBufferWithCounter bind flag.
destinationBufferHandleHandle to a buffer to copy the counter value to.

Implements Cogs::IContext.

Definition at line 1145 of file ContextGL20.cpp.

◆ getCurrentEffect()

Cogs::EffectHandle Cogs::ContextGL20::getCurrentEffect ( )
overridevirtual

Implements Cogs::ContextCommon.

Definition at line 401 of file ContextGL20.cpp.

◆ getEffect()

Cogs::EffectHandle Cogs::ContextGL20::getEffect ( ) const

Definition at line 815 of file ContextGL20.cpp.

◆ getEffects()

Cogs::IEffects * Cogs::ContextGL20::getEffects ( )
overridevirtual

Implements Cogs::ContextCommon.

Definition at line 406 of file ContextGL20.cpp.

◆ getIAState()

InputAssemblerStateCommon * Cogs::ContextGL20::getIAState ( )
inlineoverridevirtual

Implements Cogs::ContextCommon.

Definition at line 47 of file ContextGL20.h.

◆ initialize()

void Cogs::ContextGL20::initialize ( CapabilitiesGL20 capabilities,
BuffersGL20 buffers,
TexturesGL20 textures,
EffectsGL20 effects,
RenderTargetsGL20 renderTargets,
GLSyncObjects sync 
)

Definition at line 106 of file ContextGL20.cpp.

◆ map() [1/2]

void * Cogs::ContextGL20::map ( BufferHandle  bufferHandle,
MapMode::EMapMode  mapMode,
uint32_t *  stride 
)
overridevirtual

Maps the given buffer so it can be accessed.

Parameters
bufferHandleValid handle to a buffer containing data to be read.
mapModeMapping mode to apply when mapping the buffer.
strideOptional pointer to a stride value. Must be set for aliased buffer texture resources.
Returns
A pointer to the memory mapped from the buffer. If the operation failed, returns nullptr.
See also
MapMode

Implements Cogs::IContext.

Definition at line 839 of file ContextGL20.cpp.

References Cogs::MapMode::Read, Cogs::MapMode::Write, and Cogs::MapMode::WriteDiscard.

◆ map() [2/2]

void * Cogs::ContextGL20::map ( TextureHandle  textureHandle,
MapMode::EMapMode  accessMode,
uint32_t *  rowPitch,
uint32_t *  depthPitch 
)
inlineoverridevirtual

Create host mapping of a staging texture.

Parameters
textureHandleStaging texture.
accessModeMapMode::Write (requires TextureFlags::UsageWriteStaging) or MapMode::Read (requires TextureFlags::UsageReadStaging).
[out]rowPitchNumber of bytes between successive rows in the mapping.
[out]depthPitchNumber of bytes between successive slices in the mapping.
Returns
A pointer to the start of the memory range of the mapping.
See also
unmap

Implements Cogs::IContext.

Definition at line 112 of file ContextGL20.h.

◆ popCommandGroupAnnotation()

void Cogs::ContextGL20::popCommandGroupAnnotation ( )
overridevirtual

End to tag a sequence of commands as a group in graphics debugger.

Reimplemented from Cogs::IContext.

Definition at line 1305 of file ContextGL20.cpp.

◆ postDraw()

void Cogs::ContextGL20::postDraw ( )

Definition at line 1285 of file ContextGL20.cpp.

◆ preDraw()

void Cogs::ContextGL20::preDraw ( )

Definition at line 1254 of file ContextGL20.cpp.

◆ pushCommandGroupAnnotation()

void Cogs::ContextGL20::pushCommandGroupAnnotation ( const StringView name)
overridevirtual

Begin to tag a sequence of commands as a group in graphics debugger.

Groups can be strictly nested, and a push must always be paired with a pop.

Reimplemented from Cogs::IContext.

Definition at line 1297 of file ContextGL20.cpp.

References Cogs::StringView::data(), and Cogs::StringView::size().

◆ readColorBuffer()

void Cogs::ContextGL20::readColorBuffer ( BufferHandle  bufferHandle,
int  x,
int  y,
int  width,
int  height,
Framebuffer::EFrameBuffer  framebuffer 
)
overridevirtual

Reads data from the current render target into the given bufferHandle.

Parameters
bufferHandleBuffer to read the data into. Must be at least of size (width * height * sizeof(ColorFormat)).
xAddress of the first pixel on the x-axis to read from.
yAddress of the first pixel on the y-axis to read from.
widthWidth of the data to read in pixels.
heightHeight of the data to read in pixels.
framebufferFrame buffer to read from. Applicable when e.g reading from the default double-buffered render target.

Implements Cogs::IContext.

Definition at line 950 of file ContextGL20.cpp.

References Cogs::Handle_t< RenderTargetTag >::NoHandle.

◆ readDepthBuffer()

void Cogs::ContextGL20::readDepthBuffer ( BufferHandle  bufferHandle,
int  x,
int  y,
int  width,
int  height,
Framebuffer::EFrameBuffer  framebuffer 
)
overridevirtual

Reads data from the current depth target into the given bufferHandle.

Parameters
bufferHandleBuffer to read the data into. Must be at least of size (width * height * sizeof(DepthFormat)).
xAddress of the first pixel on the x-axis to read from.
yAddress of the first pixel on the y-axis to read from.
widthWidth of the data to read in pixels.
heightHeight of the data to read in pixels.
framebufferFrame buffer to read from. Applicable when e.g reading from the default double-buffered depth target.

Implements Cogs::IContext.

Definition at line 820 of file ContextGL20.cpp.

◆ releaseResources()

void Cogs::ContextGL20::releaseResources ( )

Definition at line 116 of file ContextGL20.cpp.

◆ reset()

void Cogs::ContextGL20::reset ( )
overridevirtual

Resets all state changes made to the GPU since the last call to beginFrame.

Reimplemented from Cogs::IContext.

Definition at line 979 of file ContextGL20.cpp.

◆ resolveResource()

void Cogs::ContextGL20::resolveResource ( TextureHandle  source,
TextureHandle  destination 
)
overridevirtual

Resolves the given source resource target into the given destination texture.

The source texture is assumed to be a multisample format handled by the GPU internally. This method can be used to resolve such a texture so that it may later be used as a regular texture data (multisampled textures cannot be read by standard samplers).

If using multisample samplers in shaders, this step is not necessary to perform.

Implements Cogs::IContext.

Definition at line 733 of file ContextGL20.cpp.

◆ setAnnotationMarker()

void Cogs::ContextGL20::setAnnotationMarker ( const StringView name)
overridevirtual

Add a tag in the sequence of commands in graphics debugger.

Reimplemented from Cogs::IContext.

Definition at line 1311 of file ContextGL20.cpp.

References Cogs::StringView::data(), and Cogs::StringView::size().

◆ setBlendState()

void Cogs::ContextGL20::setBlendState ( const BlendStateHandle  handle,
const float *  constant 
)
overridevirtual

◆ setBuffer()

void Cogs::ContextGL20::setBuffer ( const BufferBindingHandle  bufferBindingHandle,
BufferHandle  bufferHandle 
)
overridevirtual

Sets a buffer to bind to the given binding.

Parameters
bufferBindingHandleHandle to a buffer binding.
bufferHandleHandle to a buffer to set.

Implements Cogs::IContext.

Definition at line 1015 of file ContextGL20.cpp.

References Cogs::Handle_t< Type, Convertible >::handle.

◆ setBufferCounter() [1/2]

void Cogs::ContextGL20::setBufferCounter ( BufferHandle  bufferHandle,
BufferHandle  sourceBufferHandle 
)
overridevirtual

Set the associated counter of a buffer.

Parameters
bufferHandleHandle to the buffer to set the counter for. This buffer must have been created with the StructuredBufferWithCounter bind flag.
sourceBufferHandleHandle to a buffer to copy the counter value from.

Implements Cogs::IContext.

Definition at line 1096 of file ContextGL20.cpp.

◆ setBufferCounter() [2/2]

void Cogs::ContextGL20::setBufferCounter ( BufferHandle  bufferHandle,
uint32_t  value 
)
overridevirtual

Set the associated counter of a buffer.

Parameters
bufferHandleHandle to the buffer to set the counter for. This buffer must have been created with the StructuredBufferWithCounter bind flag.
valueThe new value of the counter.

Implements Cogs::IContext.

Definition at line 1073 of file ContextGL20.cpp.

◆ setConstantBuffer()

void Cogs::ContextGL20::setConstantBuffer ( const ConstantBufferBindingHandle  bufferBindingHandle,
const BufferHandle  bufferHandle,
const uint32_t  offset,
const uint32_t  size 
)
overridevirtual

Sets a constant buffer to the given constant buffer binding.

Parameters
bufferBindingHandleValid handle to a buffer binding previously created.
bufferHandleHandle to a buffer created with the BindFlags::ConstantBuffer flag, or NoHandle to remove any existing buffer from the binding.
See also
IEffects::getConstantBufferBinding

Implements Cogs::IContext.

Definition at line 208 of file ContextGL20.cpp.

References Cogs::Handle_t< Type, Convertible >::handle.

◆ setDefaults()

void Cogs::ContextGL20::setDefaults ( )

Definition at line 801 of file ContextGL20.cpp.

◆ setDepthStencilState()

void Cogs::ContextGL20::setDepthStencilState ( const DepthStencilStateHandle  handle)
overridevirtual

◆ setEffect()

void Cogs::ContextGL20::setEffect ( EffectHandle  handle)
overridevirtual

Set the current effect.

This sets up all shader stages included in the effect (e.g if the effect contains VS and PS shaders both the VS stage and PS stage is set up.

Implements Cogs::IContext.

Definition at line 644 of file ContextGL20.cpp.

References Cogs::Handle_t< TextureTag >::NoHandle, and Cogs::Handle_t< SamplerTag >::NoHandle.

Referenced by Cogs::EffectsGL20::releaseEffect().

◆ setIndexBuffer()

void Cogs::ContextGL20::setIndexBuffer ( IndexBufferHandle  bufferHandle,
uint32_t  stride,
uint32_t  offset 
)
overridevirtual

Sets the current index buffer.

Parameters
bufferHandleValid handle to an index buffer.
strideByte stride of the index data. Currently only supports 2 and 4. Setting stride to zero defaults to the buffers natural stride, if any. If no natural stride is set, no buffer will be bound.
offsetOffset in bytes from the start of the buffer to the first index to use.

Implements Cogs::IContext.

Definition at line 195 of file ContextGL20.cpp.

References Cogs::Handle_t< BufferTag, BufferHandle >::NoHandle.

◆ setInputLayout()

void Cogs::ContextGL20::setInputLayout ( const InputLayoutHandle  inputLayoutHandle)
overridevirtual

Sets the current input layout.

Parameters
inputLayoutHandleValid handle to a previously created input layout.

Implements Cogs::IContext.

Definition at line 704 of file ContextGL20.cpp.

◆ setRasterizerState()

void Cogs::ContextGL20::setRasterizerState ( const RasterizerStateHandle  handle)
overridevirtual

◆ setRenderTarget()

void Cogs::ContextGL20::setRenderTarget ( const RenderTargetHandle  handle,
const DepthStencilHandle  depthStencilHandle 
)
overridevirtual

Sets the current render target and an associated depth stencil target.

Implements Cogs::IContext.

Definition at line 442 of file ContextGL20.cpp.

◆ setSamplerState()

void Cogs::ContextGL20::setSamplerState ( const SamplerStateBindingHandle  samplerStateBindingHandle,
const SamplerStateHandle  samplerStateHandle 
)
overridevirtual

Sets the sampler state binding given to the given sampler state.

If the sampler state is set to NoHandle the default sampler state is set for the binding.

Parameters
samplerStateBindingHandleValid handle to a previously created sampler state binding object.
samplerStateHandleHandle to a valid sampler state, or NoHandle to set the default sampler state.

Implements Cogs::IContext.

Definition at line 559 of file ContextGL20.cpp.

References Cogs::SamplerState::DefaultState(), Cogs::Handle_t< Type, Convertible >::handle, Cogs::hash(), and Cogs::Handle_t< SamplerTag >::NoHandle.

◆ setScissor()

void Cogs::ContextGL20::setScissor ( const int  x,
const int  y,
const int  width,
const int  height 
)
overridevirtual

Sets the current scissor rectangle.

Only used if the current rasterizer state enabled scissor testing.

See also
RasterizerState.

Implements Cogs::IContext.

Definition at line 483 of file ContextGL20.cpp.

◆ setTexture() [1/2]

void Cogs::ContextGL20::setTexture ( const TextureBindingHandle  textureBindingHandle,
const TextureHandle  textureHandle 
)
overridevirtual

Sets the texture given to the binding given by textureBindingHandle.

Parameters
textureBindingHandleValid handle to a previously created texture binding.
textureHandleHandle to a texture object, or NoHandle to set the default texture to the given binding.

Implements Cogs::IContext.

Definition at line 520 of file ContextGL20.cpp.

References Cogs::Handle_t< Type, Convertible >::handle, and Cogs::TextureFlags::ReadWriteTexture.

◆ setTexture() [2/2]

void Cogs::ContextGL20::setTexture ( const TextureBindingHandle  textureBindingHandle,
TextureViewHandle  textureViewHandle 
)
overridevirtual

Implements Cogs::IContext.

Definition at line 555 of file ContextGL20.cpp.

◆ setupVertexAttributes()

void Cogs::ContextGL20::setupVertexAttributes ( )

Definition at line 132 of file ContextGL20.cpp.

◆ setVertexBuffers() [1/2]

void Cogs::ContextGL20::setVertexBuffers ( const VertexBufferHandle vertexBufferHandles,
const size_t  count 
)
overridevirtual

Overload provided to support transitioning.

Only supports vertex buffers created with legacy loadVertexBuffer API.

Implements Cogs::IContext.

Definition at line 340 of file ContextGL20.cpp.

◆ setVertexBuffers() [2/2]

void Cogs::ContextGL20::setVertexBuffers ( const VertexBufferHandle vertexBufferHandles,
const size_t  count,
const uint32_t *  strides,
const uint32_t *  offsets 
)
overridevirtual

Sets the current vertex buffers.

Parameters
vertexBufferHandlesPointer to an array of vertex buffer handles of size at least count.
countNumber of vertex buffers to bind.
stridesPointer to array of stride values. Must be non-null and at least of size count.
offsetsOptional pointer to array of offset values. If non-null, must be at least of size count.

Implements Cogs::IContext.

Definition at line 357 of file ContextGL20.cpp.

◆ setViewport()

void Cogs::ContextGL20::setViewport ( const float  x,
const float  y,
const float  width,
const float  height 
)
overridevirtual

Sets the current viewport to the given location and dimensions.

Implements Cogs::IContext.

Definition at line 478 of file ContextGL20.cpp.

◆ signal()

void Cogs::ContextGL20::signal ( FenceHandle  fenceHandle)
overridevirtual

Insert a fence in the command stream that will signal when all commands before the fence are completed.

Parameters
fenceHandleThe fence to signal.

Reimplemented from Cogs::ContextCommon.

Definition at line 127 of file ContextGL20.cpp.

◆ syncCounterFromEffect()

void Cogs::ContextGL20::syncCounterFromEffect ( const AtomicCounterMapGL20  mapping)

Definition at line 1058 of file ContextGL20.cpp.

◆ syncCounterToEffect()

void Cogs::ContextGL20::syncCounterToEffect ( const AtomicCounterMapGL20  mapping)

Definition at line 1045 of file ContextGL20.cpp.

◆ unmap() [1/2]

void Cogs::ContextGL20::unmap ( BufferHandle  bufferHandle)
overridevirtual

Unmaps the given buffer, applying any synchronization necessary to reflect changes in the mapped memory.

Parameters
bufferHandleValid handle to a buffer that is currently mapped.
See also
map

Implements Cogs::IContext.

Definition at line 863 of file ContextGL20.cpp.

References Cogs::MapMode::WriteDiscard.

◆ unmap() [2/2]

void Cogs::ContextGL20::unmap ( TextureHandle  textureHandle)
inlineoverridevirtual

Release a host mapping of a staging texture.

Parameters
textureHandleStaging texture that is currently mapped.

Implements Cogs::IContext.

Definition at line 113 of file ContextGL20.h.

◆ updateSubBuffer()

void Cogs::ContextGL20::updateSubBuffer ( BufferHandle  bufferHandle,
const size_t  offset,
const size_t  size,
const void *  data 
)
overridevirtual

Update a region of data in a buffer.

Parameters
bufferHandleValid handle to a buffer to update data in.
offsetOffset in bytes from the start of the buffer to where the new data should be written.
sizeSize of the data given. Offset + size must be inside the allocated size of the buffer.
dataPointer to the data to store at the given offset in the buffer.
invalidateInvalidate existing buffer contents before updating buffer, i.e. no need to maintain old values.

Implements Cogs::IContext.

Definition at line 902 of file ContextGL20.cpp.

◆ updateSubTexture()

void Cogs::ContextGL20::updateSubTexture ( TextureHandle  textureHandle,
const size_t  level,
const void *  data 
)
overridevirtual

Update the data of a level in the given texture.

Parameters
textureHandleValid handle to a texture to update data in.
levelIndex of the mip level to update.
dataPointer to the data to store in the indicated mip level. Must be sized according to the dimensions, format and mip level.

Implements Cogs::IContext.

Definition at line 882 of file ContextGL20.cpp.

Member Data Documentation

◆ atomicCounterMappings

std::vector<AtomicCounterMapGL20> Cogs::ContextGL20::atomicCounterMappings
private

Definition at line 146 of file ContextGL20.h.

◆ boundSamplerStates

SamplerStateHandle Cogs::ContextGL20::boundSamplerStates[192]
private

Definition at line 161 of file ContextGL20.h.

◆ boundTarget

GLuint Cogs::ContextGL20::boundTarget[192]
private

Definition at line 162 of file ContextGL20.h.

◆ boundTextures

TextureHandle Cogs::ContextGL20::boundTextures[192]
private

Definition at line 160 of file ContextGL20.h.

◆ buffers

BuffersGL20* Cogs::ContextGL20::buffers = nullptr

Definition at line 51 of file ContextGL20.h.

◆ capabilities

CapabilitiesGL20* Cogs::ContextGL20::capabilities = nullptr

Definition at line 50 of file ContextGL20.h.

◆ currentAttributeMap

unsigned char* Cogs::ContextGL20::currentAttributeMap = nullptr
private

Definition at line 150 of file ContextGL20.h.

◆ currentDepthStencilState

DepthStencilStateHandle Cogs::ContextGL20::currentDepthStencilState
private

Definition at line 156 of file ContextGL20.h.

◆ currentEffect

EffectHandle Cogs::ContextGL20::currentEffect
private

Definition at line 148 of file ContextGL20.h.

◆ currentProgramId

GLuint Cogs::ContextGL20::currentProgramId = 0
private

Definition at line 149 of file ContextGL20.h.

◆ currentRenderTarget

RenderTargetHandle Cogs::ContextGL20::currentRenderTarget
private

Definition at line 155 of file ContextGL20.h.

◆ defaultSamplerStateHandle

SamplerStateHandle Cogs::ContextGL20::defaultSamplerStateHandle

Definition at line 143 of file ContextGL20.h.

◆ effects

EffectsGL20* Cogs::ContextGL20::effects = nullptr

Definition at line 53 of file ContextGL20.h.

◆ enabledAttributes

std::vector<GLint> Cogs::ContextGL20::enabledAttributes
private

Definition at line 158 of file ContextGL20.h.

◆ enableMappingWorkaround

bool Cogs::ContextGL20::enableMappingWorkaround = true
private

Definition at line 171 of file ContextGL20.h.

◆ glState

OpenGLState Cogs::ContextGL20::glState
private

Definition at line 167 of file ContextGL20.h.

◆ iaState

InputAssemblerStateGL20 Cogs::ContextGL20::iaState = {}

Definition at line 48 of file ContextGL20.h.

◆ inRenderPass

bool Cogs::ContextGL20::inRenderPass = false
private

Definition at line 152 of file ContextGL20.h.

◆ maxImageUnits

GLuint Cogs::ContextGL20::maxImageUnits = 8
private

Definition at line 164 of file ContextGL20.h.

◆ needVertexAttributeSetup

bool Cogs::ContextGL20::needVertexAttributeSetup = true
private

Definition at line 170 of file ContextGL20.h.

◆ renderPassInfo

RenderPassInfo Cogs::ContextGL20::renderPassInfo = {}
private

Definition at line 153 of file ContextGL20.h.

◆ renderTargets

RenderTargetsGL20* Cogs::ContextGL20::renderTargets = nullptr

Definition at line 54 of file ContextGL20.h.

◆ syncObjects

GLSyncObjects* Cogs::ContextGL20::syncObjects = nullptr

Definition at line 55 of file ContextGL20.h.

◆ textures

TexturesGL20* Cogs::ContextGL20::textures = nullptr

Definition at line 52 of file ContextGL20.h.

◆ unorderedMemoryAcccess

bool Cogs::ContextGL20::unorderedMemoryAcccess = false
private

Definition at line 172 of file ContextGL20.h.

◆ vao

GLuint Cogs::ContextGL20::vao = 0
private

Definition at line 168 of file ContextGL20.h.


The documentation for this struct was generated from the following files: