src/third_party/skia/src/gpu/GrProcessor.cpp

   1 /*
   2  * Copyright 2012 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "GrProcessor.h"
   9 #include "GrBackendProcessorFactory.h"
  10 #include "GrContext.h"
  11 #include "GrCoordTransform.h"
  12 #include "GrMemoryPool.h"
  13 #include "SkTLS.h"
  14
  15 namespace GrProcessorUnitTest {
  16 const SkMatrix& TestMatrix(SkRandom* random) {
  17     static SkMatrix gMatrices[5];
  18     static bool gOnce;
  19     if (!gOnce) {
  20         gMatrices[0].reset();
  21         gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));
  22         gMatrices[2].setRotate(SkIntToScalar(17));
  23         gMatrices[3].setRotate(SkIntToScalar(185));
  24         gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));
  25         gMatrices[3].postScale(SkIntToScalar(2), SK_ScalarHalf);
  26         gMatrices[4].setRotate(SkIntToScalar(215));
  27         gMatrices[4].set(SkMatrix::kMPersp0, 0.00013f);
  28         gMatrices[4].set(SkMatrix::kMPersp1, -0.000039f);
  29         gOnce = true;
  30     }
  31     return gMatrices[random->nextULessThan(static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices)))];
  32 }
  33 }
  34
  35 class GrProcessor_Globals {
  36 public:
  37     static GrMemoryPool* GetTLS() {
  38         return (GrMemoryPool*)SkTLS::Get(CreateTLS, DeleteTLS);
  39     }
  40
  41 private:
  42     static void* CreateTLS() {
  43         return SkNEW_ARGS(GrMemoryPool, (4096, 4096));
  44     }
  45
  46     static void DeleteTLS(void* pool) {
  47         SkDELETE(reinterpret_cast<GrMemoryPool*>(pool));
  48     }
  49 };
  50
  51 int32_t GrBackendProcessorFactory::fCurrEffectClassID =
  52         GrBackendProcessorFactory::kIllegalEffectClassID;
  53
  54 ///////////////////////////////////////////////////////////////////////////////
  55
  56 GrProcessor::~GrProcessor() {}
  57
  58 const char* GrProcessor::name() const {
  59     return this->getFactory().name();
  60 }
  61
  62 void GrProcessor::addCoordTransform(const GrCoordTransform* transform) {
  63     fCoordTransforms.push_back(transform);
  64     SkDEBUGCODE(transform->setInEffect();)
  65 }
  66
  67 void GrProcessor::addTextureAccess(const GrTextureAccess* access) {
  68     fTextureAccesses.push_back(access);
  69     this->addGpuResource(access->getProgramTexture());
  70 }
  71
  72 void* GrProcessor::operator new(size_t size) {
  73     return GrProcessor_Globals::GetTLS()->allocate(size);
  74 }
  75
  76 void GrProcessor::operator delete(void* target) {
  77     GrProcessor_Globals::GetTLS()->release(target);
  78 }
  79
  80 #ifdef SK_DEBUG
  81 void GrProcessor::assertEquality(const GrProcessor& other) const {
  82     SkASSERT(this->numTransforms() == other.numTransforms());
  83     for (int i = 0; i < this->numTransforms(); ++i) {
  84         SkASSERT(this->coordTransform(i) == other.coordTransform(i));
  85     }
  86     SkASSERT(this->numTextures() == other.numTextures());
  87     for (int i = 0; i < this->numTextures(); ++i) {
  88         SkASSERT(this->textureAccess(i) == other.textureAccess(i));
  89     }
  90 }
  91 #endif