Revert of Wrap NV_path_rendering API with GrGLPathRendering

src/gpu/gl/GrGLPathRendering.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "gl/GrGLPathRendering.h"
-#include "gl/GrGLInterface.h"
-#include "gl/GrGLNameAllocator.h"
-#include "gl/GrGLUtil.h"
-
-#define GL_CALL(X) GR_GL_CALL(fGLInterface.get(), X)
-#define GL_CALL_RET(RET, X) GR_GL_CALL_RET(fGLInterface.get(), RET, X)
-
-class GrGLPathRenderingV12 : public GrGLPathRendering {
-public:
-    GrGLPathRenderingV12(const GrGLInterface* glInterface)
-        : GrGLPathRendering(glInterface) {
-    }
-
-    virtual GrGLvoid stencilThenCoverFillPath(GrGLuint path, GrGLenum fillMode,
-                                              GrGLuint mask, GrGLenum coverMode) SK_OVERRIDE;
-    virtual GrGLvoid stencilThenCoverStrokePath(GrGLuint path, GrGLint reference,
-                                                GrGLuint mask, GrGLenum coverMode) SK_OVERRIDE;
-    virtual GrGLvoid stencilThenCoverFillPathInstanced(
-                         GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-                         GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode,
-                         GrGLenum transformType, const GrGLfloat *transformValues) SK_OVERRIDE;
-    virtual GrGLvoid stencilThenCoverStrokePathInstanced(
-                         GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-                         GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum coverMode,
-                         GrGLenum transformType, const GrGLfloat *transformValues) SK_OVERRIDE;
-};
-
-class GrGLPathRenderingV13 : public GrGLPathRenderingV12 {
-public:
-    GrGLPathRenderingV13(const GrGLInterface* glInterface)
-        : GrGLPathRenderingV12(glInterface) {
-        fCaps.fragmentInputGenSupport = true;
-    }
-
-    virtual GrGLvoid programPathFragmentInputGen(GrGLuint program, GrGLint location,
-                                                 GrGLenum genMode, GrGLint components,
-                                                 const GrGLfloat *coeffs) SK_OVERRIDE;
-};
-
-
-GrGLPathRendering* GrGLPathRendering::Create(const GrGLInterface* glInterface) {
-    if (NULL == glInterface->fFunctions.fStencilThenCoverFillPath ||
-        NULL == glInterface->fFunctions.fStencilThenCoverStrokePath ||
-        NULL == glInterface->fFunctions.fStencilThenCoverFillPathInstanced ||
-        NULL == glInterface->fFunctions.fStencilThenCoverStrokePathInstanced) {
-        return new GrGLPathRendering(glInterface);
-    }
-
-    if (NULL == glInterface->fFunctions.fProgramPathFragmentInputGen) {
-        return new GrGLPathRenderingV12(glInterface);
-    }
-
-    return new GrGLPathRenderingV13(glInterface);
-}
-
-GrGLPathRendering::GrGLPathRendering(const GrGLInterface* glInterface)
-    : fGLInterface(SkRef(glInterface)) {
-    memset(&fCaps, 0, sizeof(fCaps));
-}
-
-GrGLPathRendering::~GrGLPathRendering() {
-}
-
-void GrGLPathRendering::abandonGpuResources() {
-    fPathNameAllocator.reset(NULL);
-}
-
-
-// NV_path_rendering
-GrGLuint GrGLPathRendering::genPaths(GrGLsizei range) {
-    if (range > 1) {
-        GrGLuint name;
-        GL_CALL_RET(name, GenPaths(range));
-        return name;
-    }
-
-    if (NULL == fPathNameAllocator.get()) {
-        static const int range = 65536;
-        GrGLuint firstName;
-        GL_CALL_RET(firstName, GenPaths(range));
-        fPathNameAllocator.reset(SkNEW_ARGS(GrGLNameAllocator, (firstName, firstName + range)));
-    }
-
-    // When allocating names one at a time, pull from a client-side pool of
-    // available names in order to save a round trip to the GL server.
-    GrGLuint name = fPathNameAllocator->allocateName();
-
-    if (0 == name) {
-        // Our reserved path names are all in use. Fall back on GenPaths.
-        GL_CALL_RET(name, GenPaths(1));
-    }
-
-    return name;
-}
-
-GrGLvoid GrGLPathRendering::deletePaths(GrGLuint path, GrGLsizei range) {
-    if (range > 1) {
-        // It is not supported to delete names in ranges that were allocated
-        // individually using GrGLPathNameAllocator.
-        SkASSERT(NULL == fPathNameAllocator.get() ||
-                 path + range <= fPathNameAllocator->firstName() ||
-                 path >= fPathNameAllocator->endName());
-        GL_CALL(DeletePaths(path, range));
-        return;
-    }
-
-    if (NULL == fPathNameAllocator.get() ||
-        path < fPathNameAllocator->firstName() ||
-        path >= fPathNameAllocator->endName()) {
-        // If we aren't inside fPathNameAllocator's range then this name was
-        // generated by the GenPaths fallback (or else was never allocated).
-        GL_CALL(DeletePaths(path, 1));
-        return;
-    }
-
-    // Make the path empty to save memory, but don't free the name in the driver.
-    GL_CALL(PathCommands(path, 0, NULL, 0, GR_GL_FLOAT, NULL));
-    fPathNameAllocator->free(path);
-}
-
-GrGLvoid GrGLPathRendering::pathCommands(GrGLuint path, GrGLsizei numCommands,
-                                         const GrGLubyte *commands, GrGLsizei numCoords,
-                                         GrGLenum coordType, const GrGLvoid *coords) {
-    GL_CALL(PathCommands(path, numCommands, commands, numCoords, coordType, coords));
-}
-
-GrGLvoid GrGLPathRendering::pathCoords(GrGLuint path, GrGLsizei numCoords,
-                                       GrGLenum coordType, const GrGLvoid *coords) {
-    GL_CALL(PathCoords(path, numCoords, coordType, coords));
-}
-
-GrGLvoid GrGLPathRendering::pathParameteri(GrGLuint path, GrGLenum pname, GrGLint value) {
-    GL_CALL(PathParameteri(path, pname, value));
-}
-
-GrGLvoid GrGLPathRendering::pathParameterf(GrGLuint path, GrGLenum pname, GrGLfloat value) {
-    GL_CALL(PathParameterf(path, pname, value));
-}
-
-GrGLboolean GrGLPathRendering::isPath(GrGLuint path) {
-    GrGLboolean ret;
-    GL_CALL_RET(ret, IsPath(path));
-    return ret;
-}
-
-GrGLvoid GrGLPathRendering::pathStencilFunc(GrGLenum func, GrGLint ref, GrGLuint mask) {
-    GL_CALL(PathStencilFunc(func, ref, mask));
-}
-
-GrGLvoid GrGLPathRendering::stencilFillPath(GrGLuint path, GrGLenum fillMode, GrGLuint mask) {
-    GL_CALL(StencilFillPath(path, fillMode, mask));
-}
-
-GrGLvoid GrGLPathRendering::stencilStrokePath(GrGLuint path, GrGLint reference, GrGLuint mask) {
-    GL_CALL(StencilStrokePath(path, reference, mask));
-}
-
-GrGLvoid GrGLPathRendering::stencilFillPathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilFillPathInstanced(numPaths, pathNameType, paths, pathBase,
-                                     fillMode, mask, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::stencilStrokePathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLint reference, GrGLuint mask,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilStrokePathInstanced(numPaths, pathNameType, paths, pathBase,
-                                       reference, mask, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::pathTexGen(GrGLenum texCoordSet, GrGLenum genMode,
-                                       GrGLint components, const GrGLfloat *coeffs) {
-    GL_CALL(PathTexGen(texCoordSet, genMode, components, coeffs));
-}
-
-GrGLvoid GrGLPathRendering::coverFillPath(GrGLuint path, GrGLenum coverMode) {
-    GL_CALL(CoverFillPath(path, coverMode));
-}
-
-GrGLvoid GrGLPathRendering::coverStrokePath(GrGLuint name, GrGLenum coverMode) {
-    GL_CALL(CoverStrokePath(name, coverMode));
-}
-
-GrGLvoid GrGLPathRendering::coverFillPathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase,
-             GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(CoverFillPathInstanced(numPaths, pathNameType, paths, pathBase,
-                                   coverMode, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::coverStrokePathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase,
-             GrGLenum coverMode, GrGLenum transformType, const GrGLfloat* transformValues) {
-    GL_CALL(CoverStrokePathInstanced(numPaths, pathNameType, paths, pathBase,
-                                     coverMode, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::stencilThenCoverFillPath(GrGLuint path, GrGLenum fillMode,
-                                                     GrGLuint mask, GrGLenum coverMode) {
-    GL_CALL(StencilFillPath(path, fillMode, mask));
-    GL_CALL(CoverFillPath(path, coverMode));
-}
-
-GrGLvoid GrGLPathRendering::stencilThenCoverStrokePath(GrGLuint path, GrGLint reference,
-                                                       GrGLuint mask, GrGLenum coverMode) {
-    GL_CALL(StencilStrokePath(path, reference, mask));
-    GL_CALL(CoverStrokePath(path, coverMode));
-}
-
-GrGLvoid GrGLPathRendering::stencilThenCoverFillPathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilFillPathInstanced(numPaths, pathNameType, paths, pathBase,
-                                     fillMode, mask, transformType, transformValues));
-    GL_CALL(CoverFillPathInstanced(numPaths, pathNameType, paths, pathBase,
-                                   coverMode, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::stencilThenCoverStrokePathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum coverMode,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilStrokePathInstanced(numPaths, pathNameType, paths, pathBase,
-                                       reference, mask, transformType, transformValues));
-    GL_CALL(CoverStrokePathInstanced(numPaths, pathNameType, paths, pathBase,
-                                     coverMode, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRendering::programPathFragmentInputGen(
-             GrGLuint program, GrGLint location, GrGLenum genMode,
-             GrGLint components, const GrGLfloat *coeffs) {
-    SkFAIL("ProgramPathFragmentInputGen not supported in this GL context.");
-}
-
-
-// NV_path_rendering v1.2
-GrGLvoid GrGLPathRenderingV12::stencilThenCoverFillPath(GrGLuint path, GrGLenum fillMode,
-                                                        GrGLuint mask, GrGLenum coverMode) {
-    GL_CALL(StencilThenCoverFillPath(path, fillMode, mask, coverMode));
-}
-
-GrGLvoid GrGLPathRenderingV12::stencilThenCoverStrokePath(GrGLuint path, GrGLint reference,
-                                                          GrGLuint mask, GrGLenum coverMode) {
-    GL_CALL(StencilThenCoverStrokePath(path, reference, mask, coverMode));
-}
-
-GrGLvoid GrGLPathRenderingV12::stencilThenCoverFillPathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilThenCoverFillPathInstanced(numPaths, pathNameType, paths, pathBase, fillMode,
-                                               mask, coverMode, transformType, transformValues));
-}
-
-GrGLvoid GrGLPathRenderingV12::stencilThenCoverStrokePathInstanced(
-             GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths,
-             GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum coverMode,
-             GrGLenum transformType, const GrGLfloat *transformValues) {
-    GL_CALL(StencilThenCoverStrokePathInstanced(numPaths, pathNameType, paths, pathBase, reference,
-                                                mask, coverMode, transformType, transformValues));
-}
-
-
-// NV_path_rendering v1.3
-GrGLvoid GrGLPathRenderingV13::programPathFragmentInputGen(
-             GrGLuint program, GrGLint location, GrGLenum genMode,
-             GrGLint components, const GrGLfloat *coeffs) {
-    GL_CALL(ProgramPathFragmentInputGen(program, location, genMode, components, coeffs));
-}