OpenSubdiv/opensubdiv/osd/glslTransformFeedbackKernelBundle.h
Takahito Tejima 8efecb0fca Batching stuffs: generalized kernel batches, table/dispatcher refactoring, multiMeshFactory, drawContext, etc.
2 client APIs are changed.
- VertexBuffer::UpdateData() takes start vertex offset
- ComputeController::Refine() takes FarKernelBatchVector

Also, ComputeContext no longer holds farmesh.
Client can free farmesh after OsdComputeContext is created.
(but still need FarKernelBatchVector to apply subdivision kernels)
2013-03-07 17:50:15 -08:00

234 lines
9.2 KiB
C++

//
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#ifndef OSD_GLSL_TRANSFORM_FEEDBACK_KERNEL_BUNDLE_H
#define OSD_GLSL_TRANSFORM_FEEDBACK_KERNEL_BUNDLE_H
#if defined(__APPLE__)
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE or TARGET_IPHONE_SIMULATOR
#include <OpenGLES/ES2/gl.h>
#else
#include <OpenGL/gl3.h>
#endif
#elif defined(ANDROID)
#include <GLES2/gl2.h>
#else
#if defined(_WIN32)
#include <windows.h>
#endif
#include <GL/gl.h>
#endif
#include "../version.h"
#include "../osd/table.h"
#include "../osd/nonCopyable.h"
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
class OsdGLSLTransformFeedbackKernelBundle
: OsdNonCopyable<OsdGLSLTransformFeedbackKernelBundle> {
public:
OsdGLSLTransformFeedbackKernelBundle();
~OsdGLSLTransformFeedbackKernelBundle();
bool Compile(int numVertexElements, int numVaryingElements);
void ApplyBilinearFaceVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyBilinearEdgeVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyBilinearVertexVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyCatmarkFaceVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyCatmarkEdgeVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyCatmarkVertexVerticesKernelB(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyCatmarkVertexVerticesKernelA(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end, bool pass);
void ApplyLoopEdgeVerticesKernel(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyLoopVertexVerticesKernelB(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end);
void ApplyLoopVertexVerticesKernelA(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end, bool pass);
void ApplyEditAdd(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int primvarOffset, int primvarWidth,
int vertexOffset, int tableOffset, int start, int end);
void UseProgram() const;
GLuint GetTableUniformLocation(int tableIndex) const {
return _uniformTables[tableIndex];
}
GLuint GetVertexUniformLocation() const {
return _uniformVertexBuffer;
}
GLuint GetVaryingUniformLocation() const {
return _uniformVaryingBuffer;
}
GLuint GetEditIndicesUniformLocation() const {
return _uniformEditIndices;
}
GLuint GetEditValuesUniformLocation() const {
return _uniformEditValues;
}
GLuint GetVertexBufferImageUniformLocation() const {
return _uniformVertexBufferImage;
}
struct Match {
Match(int numVertexElements, int numVaryingElements) :
_numVertexElements(numVertexElements),
_numVaryingElements(numVaryingElements) {}
bool operator() (const OsdGLSLTransformFeedbackKernelBundle *kernel) {
return (kernel->_numVertexElements == _numVertexElements
&& kernel->_numVaryingElements == _numVaryingElements);
}
int _numVertexElements, _numVaryingElements;
};
friend struct Match;
protected:
void transformGpuBufferData(
GLuint vertexBuffer, int numVertexElements,
GLuint varyingBuffer, int numVaryingElements,
int vertexOffset, int tableOffset, int start, int end) const;
GLuint _program;
// uniform locations
GLuint _uniformTables[Table::TABLE_MAX];
GLuint _uniformVertexPass;
GLuint _uniformVertexOffset;
GLuint _uniformTableOffset;
GLuint _uniformIndexStart;
GLuint _uniformVertexBuffer;
GLuint _uniformVaryingBuffer;
GLuint _uniformEditPrimVarOffset;
GLuint _uniformEditPrimVarWidth;
GLuint _uniformEditIndices;
GLuint _uniformEditValues;
GLuint _uniformVertexBufferImage;
// subroutines
// general face-vertex kernel (all schemes)
GLuint _subComputeFace;
// edge-vertex kernel (catmark + loop schemes)
GLuint _subComputeEdge;
// edge-vertex kernel (bilinear scheme)
GLuint _subComputeBilinearEdge;
// vertex-vertex kernel (bilinear scheme)
GLuint _subComputeVertex;
// vertex-vertex kernel A (catmark + loop schemes)
GLuint _subComputeVertexA;
// vertex-vertex kernel B (catmark scheme)
GLuint _subComputeCatmarkVertexB;
// vertex-vertex kernel B (loop scheme)
GLuint _subComputeLoopVertexB;
// hedit kernel (add)
GLuint _subEditAdd;
int _numVertexElements,
_numVaryingElements;
};
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif // OSD_GLSL_TRANSFORM_FEEDBACK_KERNEL_BUNDLE_H