Add GL function pointers for GL_NV_path_rendering

Review URL: http://codereview.appspot.com/6296046/



git-svn-id: http://skia.googlecode.com/svn/trunk@4192 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 112 insertions, 0 deletions

diff --git a/include/gpu/gl/GrGLFunctions.h b/include/gpu/gl/GrGLFunctions.h
index 65c6330618..d8f2764258 100644
--- a/include/gpu/gl/GrGLFunctions.h
+++ b/include/gpu/gl/GrGLFunctions.h
@@ -160,6 +160,62 @@ extern "C" {
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib4fvProc)(GrGLuint indx, const GrGLfloat* values);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const GrGLvoid* ptr);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLViewportProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
+
+    // Experimental: Functions for GL_NV_path_rendering. These will be
+    // alphabetized with the above functions once this is fully supported 
+    // (and functions we are unlikely to use will possibly be omitted).
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixModeProc)(GrGLenum);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLoadIdentityProc)();
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLoadMatrixfProc)(const GrGLfloat* m);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCommandsProc)(GrGLuint path, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const void *coords);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCoordsProc)(GrGLuint path, GrGLsizei numCoords, GrGLenum coordType, const void *coords);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathSubCommandsProc)(GrGLuint path, GrGLsizei commandStart, GrGLsizei commandsToDelete, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const void *coords);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathSubCoordsProc)(GrGLuint path, GrGLsizei coordStart, GrGLsizei numCoords, GrGLenum coordType, const void *coords);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStringProc)(GrGLuint path, GrGLenum format, GrGLsizei length, const void *pathString);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathGlyphsProc)(GrGLuint firstPathName, GrGLenum fontTarget, const void *fontName, GrGLbitfield fontStyle, GrGLsizei numGlyphs, GrGLenum type, const void *charcodes, GrGLenum handleMissingGlyphs, GrGLuint pathParameterTemplate, float emScale);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathGlyphRangeProc)(GrGLuint firstPathName, GrGLenum fontTarget, const void *fontName, GrGLbitfield fontStyle, GrGLuint firstGlyph, GrGLsizei numGlyphs, GrGLenum handleMissingGlyphs, GrGLuint pathParameterTemplate, float emScale);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLWeightPathsProc)(GrGLuint resultPath, GrGLsizei numPaths, const GrGLuint paths[], const float weights[]);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyPathProc)(GrGLuint resultPath, GrGLuint srcPath);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInterpolatePathsProc)(GrGLuint resultPath, GrGLuint pathA, GrGLuint pathB, float weight);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTransformPathProc)(GrGLuint resultPath, GrGLuint srcPath, GrGLenum transformType, const float *transformValues);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterivProc)(GrGLuint path, GrGLenum pname, const int *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameteriProc)(GrGLuint path, GrGLenum pname, int value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfvProc)(GrGLuint path, GrGLenum pname, const float *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfProc)(GrGLuint path, GrGLenum pname, float value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathDashArrayProc)(GrGLuint path, GrGLsizei dashCount, const float *dashArray);
+    typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGenPathsProc)(GrGLsizei range);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeletePathsProc)(GrGLuint path, GrGLsizei range);
+    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPathProc)(GrGLuint path);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilFuncProc)(GrGLenum func, int ref, GrGLuint mask);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilDepthOffsetProc)(float factor, int units);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathProc)(GrGLuint path, int reference, GrGLuint mask);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum transformType, const float *transformValues);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, int reference, GrGLuint mask, GrGLenum transformType, const float *transformValues);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCoverDepthFuncProc)(GrGLenum zfunc);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathColorGenProc)(GrGLenum color, GrGLenum genMode, GrGLenum colorFormat, const float *coeffs);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathTexGenProc)(GrGLenum texCoordSet, GrGLenum genMode, int components, const float *coeffs);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathFogGenProc)(GrGLenum genMode);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathProc)(GrGLuint path, GrGLenum coverMode);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathProc)(GrGLuint name, GrGLenum coverMode);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const float *transformValues);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const float* transformValues);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathParameterivProc)(GrGLuint name, GrGLenum param, int *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathParameterfvProc)(GrGLuint name, GrGLenum param, float *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathCommandsProc)(GrGLuint name, GrGLubyte *commands);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathCoordsProc)(GrGLuint name, float *coords);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathDashArrayProc)(GrGLuint name, float *dashArray);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathMetricsProc)(GrGLbitfield metricQueryMask, GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, GrGLsizei stride, float *metrics);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathMetricRangeProc)(GrGLbitfield metricQueryMask, GrGLuint fistPathName, GrGLsizei numPaths, GrGLsizei stride, float *metrics);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathSpacingProc)(GrGLenum pathListMode, GrGLsizei numPaths, GrGLenum pathNameType, const void *paths, GrGLuint pathBase, float advanceScale, float kerningScale, GrGLenum transformType, float *returnedSpacing);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathColorGenivProc)(GrGLenum color, GrGLenum pname, int *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathColorGenfvProc)(GrGLenum color, GrGLenum pname, float *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathTexGenivProc)(GrGLenum texCoordSet, GrGLenum pname, int *value);
+    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathTexGenfvProc)(GrGLenum texCoordSet, GrGLenum pname, float *value);
+    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPointInFillPathProc)(GrGLuint path, GrGLuint mask, float x, float y);
+    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPointInStrokePathProc)(GrGLuint path, float x, float y);
+    typedef GrGLfloat (GR_GL_FUNCTION_TYPE* GrGLGetPathLengthProc)(GrGLuint path, GrGLsizei startSegment, GrGLsizei numSegments);
+    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLPointAlongPathProc)(GrGLuint path, GrGLsizei startSegment, GrGLsizei numSegments, float distance, float *x, float *y, float *tangentX, float *tangentY);
 }  // extern "C"
 
 #endif
diff --git a/include/gpu/gl/GrGLInterface.h b/include/gpu/gl/GrGLInterface.h
index d7cdfea476..4032a55d2d 100644
--- a/include/gpu/gl/GrGLInterface.h
+++ b/include/gpu/gl/GrGLInterface.h
@@ -252,6 +252,62 @@ public:
     GLPtr<GrGLVertexAttribPointerProc> fVertexAttribPointer;
     GLPtr<GrGLViewportProc> fViewport;
 
+    // Experimental: Functions for GL_NV_path_rendering. These will be
+    // alphabetized with the above functions once this is fully supported 
+    // (and functions we are unlikely to use will possibly be omitted).
+    GLPtr<GrGLMatrixModeProc> fMatrixMode;
+    GLPtr<GrGLLoadIdentityProc> fLoadIdentity;
+    GLPtr<GrGLLoadMatrixfProc> fLoadMatrixf;
+    GLPtr<GrGLPathCommandsProc> fPathCommands;
+    GLPtr<GrGLPathCoordsProc> fPathCoords;
+    GLPtr<GrGLPathSubCommandsProc> fPathSubCommands;
+    GLPtr<GrGLPathSubCoordsProc> fPathSubCoords;
+    GLPtr<GrGLPathStringProc> fPathString;
+    GLPtr<GrGLPathGlyphsProc> fPathGlyphs;
+    GLPtr<GrGLPathGlyphRangeProc> fPathGlyphRange;
+    GLPtr<GrGLWeightPathsProc> fWeightPaths;
+    GLPtr<GrGLCopyPathProc> fCopyPath;
+    GLPtr<GrGLInterpolatePathsProc> fInterpolatePaths;
+    GLPtr<GrGLTransformPathProc> fTransformPath;
+    GLPtr<GrGLPathParameterivProc> fPathParameteriv;
+    GLPtr<GrGLPathParameteriProc> fPathParameteri;
+    GLPtr<GrGLPathParameterfvProc> fPathParameterfv;
+    GLPtr<GrGLPathParameterfProc> fPathParameterf;
+    GLPtr<GrGLPathDashArrayProc> fPathDashArray;
+    GLPtr<GrGLGenPathsProc> fGenPaths;
+    GLPtr<GrGLDeletePathsProc> fDeletePaths;
+    GLPtr<GrGLIsPathProc> fIsPath;
+    GLPtr<GrGLPathStencilFuncProc> fPathStencilFunc;
+    GLPtr<GrGLPathStencilDepthOffsetProc> fPathStencilDepthOffset;
+    GLPtr<GrGLStencilFillPathProc> fStencilFillPath;
+    GLPtr<GrGLStencilStrokePathProc> fStencilStrokePath;
+    GLPtr<GrGLStencilFillPathInstancedProc> fStencilFillPathInstanced;
+    GLPtr<GrGLStencilStrokePathInstancedProc> fStencilStrokePathInstanced;
+    GLPtr<GrGLPathCoverDepthFuncProc> fPathCoverDepthFunc;
+    GLPtr<GrGLPathColorGenProc> fPathColorGen;
+    GLPtr<GrGLPathTexGenProc> fPathTexGen;
+    GLPtr<GrGLPathFogGenProc> fPathFogGen;
+    GLPtr<GrGLCoverFillPathProc> fCoverFillPath;
+    GLPtr<GrGLCoverStrokePathProc> fCoverStrokePath;
+    GLPtr<GrGLCoverFillPathInstancedProc> fCoverFillPathInstanced;
+    GLPtr<GrGLCoverStrokePathInstancedProc> fCoverStrokePathInstanced;
+    GLPtr<GrGLGetPathParameterivProc> fGetPathParameteriv;
+    GLPtr<GrGLGetPathParameterfvProc> fGetPathParameterfv;
+    GLPtr<GrGLGetPathCommandsProc> fGetPathCommands;
+    GLPtr<GrGLGetPathCoordsProc> fGetPathCoords;
+    GLPtr<GrGLGetPathDashArrayProc> fGetPathDashArray;
+    GLPtr<GrGLGetPathMetricsProc> fGetPathMetrics;
+    GLPtr<GrGLGetPathMetricRangeProc> fGetPathMetricRange;
+    GLPtr<GrGLGetPathSpacingProc> fGetPathSpacing;
+    GLPtr<GrGLGetPathColorGenivProc> fGetPathColorGeniv;
+    GLPtr<GrGLGetPathColorGenfvProc> fGetPathColorGenfv;
+    GLPtr<GrGLGetPathTexGenivProc> fGetPathTexGeniv;
+    GLPtr<GrGLGetPathTexGenfvProc> fGetPathTexGenfv;
+    GLPtr<GrGLIsPointInFillPathProc> fIsPointInFillPath;
+    GLPtr<GrGLIsPointInStrokePathProc> fIsPointInStrokePath;
+    GLPtr<GrGLGetPathLengthProc> fGetPathLength;
+    GLPtr<GrGLPointAlongPathProc> fPointAlongPath;
+
     // Per-GL func callback
 #if GR_GL_PER_GL_FUNC_CALLBACK
     GrGLInterfaceCallbackProc fCallback;