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Side by Side Diff: src/gpu/gl/GrGLProgramDesc.h

Issue 582963002: Solo gp (Closed) Base URL: https://skia.googlesource.com/skia.git@no_peb
Patch Set: rebase Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef GrGLProgramDesc_DEFINED 8 #ifndef GrGLProgramDesc_DEFINED
9 #define GrGLProgramDesc_DEFINED 9 #define GrGLProgramDesc_DEFINED
10 10
11 #include "GrGLEffect.h" 11 #include "GrGLProcessor.h"
12 #include "GrDrawState.h" 12 #include "GrDrawState.h"
13 #include "GrGpu.h" 13 #include "GrGpu.h"
14 #include "GrOptDrawState.h" 14 #include "GrOptDrawState.h"
15 15
16 class GrGpuGL; 16 class GrGpuGL;
17 17
18 #ifdef SK_DEBUG 18 #ifdef SK_DEBUG
19 // Optionally compile the experimental GS code. Set to SK_DEBUG so that debug build bots will 19 // Optionally compile the experimental GS code. Set to SK_DEBUG so that debug build bots will
20 // execute the code. 20 // execute the code.
21 #define GR_GL_EXPERIMENTAL_GS 1 21 #define GR_GL_EXPERIMENTAL_GS 1
(...skipping 17 matching lines...) Expand all
39 // Gets the number of bytes in asKey(). It will be a 4-byte aligned value. W hen comparing two 39 // Gets the number of bytes in asKey(). It will be a 4-byte aligned value. W hen comparing two
40 // keys the size of either key can be used with memcmp() since the lengths t hemselves begin the 40 // keys the size of either key can be used with memcmp() since the lengths t hemselves begin the
41 // keys and thus the memcmp will exit early if the keys are of different len gths. 41 // keys and thus the memcmp will exit early if the keys are of different len gths.
42 uint32_t keyLength() const { return *this->atOffset<uint32_t, kLengthOffset> (); } 42 uint32_t keyLength() const { return *this->atOffset<uint32_t, kLengthOffset> (); }
43 43
44 // Gets the a checksum of the key. Can be used as a hash value for a fast lo okup in a cache. 44 // Gets the a checksum of the key. Can be used as a hash value for a fast lo okup in a cache.
45 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff set>(); } 45 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff set>(); }
46 46
47 // For unit testing. 47 // For unit testing.
48 bool setRandom(SkRandom*, 48 bool setRandom(SkRandom*,
49 GrGpuGL* gpu, 49 GrGpuGL*,
50 const GrRenderTarget* dummyDstRenderTarget, 50 const GrRenderTarget* dummyDstRenderTarget,
51 const GrTexture* dummyDstCopyTexture, 51 const GrTexture* dummyDstCopyTexture,
52 const GrEffectStage* geometryProcessor, 52 const GrGeometryStage* geometryProcessor,
53 const GrEffectStage* stages[], 53 const GrFragmentStage* stages[],
54 int numColorStages, 54 int numColorStages,
55 int numCoverageStages, 55 int numCoverageStages,
56 int currAttribIndex, 56 int currAttribIndex,
57 GrGpu::DrawType); 57 GrGpu::DrawType);
58 58
59 /** 59 /**
60 * Builds a program descriptor from a GrOptDrawState. Whether the primitive type is points, and 60 * Builds a program descriptor from a GrOptDrawState. Whether the primitive type is points, and
61 * the caps of the GrGpuGL are also inputs. It also outputs the color and co verage stages 61 * the caps of the GrGpuGL are also inputs. It also outputs the color and co verage stages
62 * referenced by the generated descriptor. Coverage stages from the drawStat e may be treated as 62 * referenced by the generated descriptor. Coverage stages from the drawStat e may be treated as
63 * color stages in the output. 63 * color stages in the output.
64 */ 64 */
65 static bool Build(const GrOptDrawState&, 65 static bool Build(const GrOptDrawState&,
66 GrGpu::DrawType drawType, 66 GrGpu::DrawType,
67 GrBlendCoeff srcCoeff, 67 GrBlendCoeff srcCoeff,
68 GrBlendCoeff dstCoeff, 68 GrBlendCoeff dstCoeff,
69 GrGpuGL* gpu, 69 GrGpuGL*,
70 const GrDeviceCoordTexture* dstCopy, 70 const GrDeviceCoordTexture* dstCopy,
71 const GrEffectStage** outGeometryProcessor, 71 const GrGeometryStage** geometryProcessor,
72 SkTArray<const GrEffectStage*, true>* outColorStages, 72 SkTArray<const GrFragmentStage*, true>* colorStages,
73 SkTArray<const GrEffectStage*, true>* outCoverageStages, 73 SkTArray<const GrFragmentStage*, true>* coverageStages,
74 GrGLProgramDesc* outDesc); 74 GrGLProgramDesc*);
75 75
76 bool hasGeometryProcessor() const { 76 bool hasGeometryProcessor() const {
77 return SkToBool(this->getHeader().fHasGeometryProcessor); 77 return SkToBool(this->getHeader().fHasGeometryProcessor);
78 } 78 }
79 79
80 int numColorEffects() const { 80 int numColorEffects() const {
81 return this->getHeader().fColorEffectCnt; 81 return this->getHeader().fColorEffectCnt;
82 } 82 }
83 83
84 int numCoverageEffects() const { 84 int numCoverageEffects() const {
(...skipping 85 matching lines...) Expand 10 before | Expand all | Expand 10 after
170 return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + O FFSET); 170 return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + O FFSET);
171 } 171 }
172 172
173 template<typename T, size_t OFFSET> const T* atOffset() const { 173 template<typename T, size_t OFFSET> const T* atOffset() const {
174 return reinterpret_cast<const T*>(reinterpret_cast<intptr_t>(fKey.begin( )) + OFFSET); 174 return reinterpret_cast<const T*>(reinterpret_cast<intptr_t>(fKey.begin( )) + OFFSET);
175 } 175 }
176 176
177 KeyHeader* header() { return this->atOffset<KeyHeader, kHeaderOffset>(); } 177 KeyHeader* header() { return this->atOffset<KeyHeader, kHeaderOffset>(); }
178 178
179 // Shared code between setRandom() and Build(). 179 // Shared code between setRandom() and Build().
180 static bool GetEffectKey(const GrEffectStage& stage, const GrGLCaps& caps, 180 static bool GetProcessorKey(const GrProcessorStage& stage,
181 bool useExplicitLocalCoords, GrEffectKeyBuilder* b, 181 const GrGLCaps& caps,
182 uint16_t* effectKeySize); 182 bool useExplicitLocalCoords,
183 GrProcessorKeyBuilder* b,
184 uint16_t* effectKeySize);
183 185
186 static bool GetGeometryProcessorKey(const GrGeometryStage& stage,
187 const GrGLCaps& caps,
188 bool useExplicitLocalCoords,
189 GrProcessorKeyBuilder* b,
190 uint16_t* effectKeySize);
184 void finalize(); 191 void finalize();
185 192
186 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead erOffset>(); } 193 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead erOffset>(); }
187 194
188 /** Used to provide effects' keys to their emitCode() function. */ 195 /** Used to provide effects' keys to their emitCode() function. */
189 class EffectKeyProvider { 196 class EffectKeyProvider {
190 public: 197 public:
191 enum EffectType { 198 enum EffectType {
192 kGeometryProcessor_EffectType, 199 kGeometryProcessor_EffectType,
193 kColor_EffectType, 200 kColor_EffectType,
194 kCoverage_EffectType, 201 kCoverage_EffectType,
195 }; 202 };
196 203
197 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc( desc) { 204 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc( desc) {
198 switch (type) { 205 switch (type) {
199 case kGeometryProcessor_EffectType: 206 case kGeometryProcessor_EffectType:
200 // there can be only one 207 // there can be only one
201 fBaseIndex = 0; 208 fBaseIndex = 0;
202 break; 209 break;
203 case kColor_EffectType: 210 case kColor_EffectType:
204 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; 211 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0;
205 break; 212 break;
206 case kCoverage_EffectType: 213 case kCoverage_EffectType:
207 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro cessor() ? 1 : 0); 214 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro cessor() ? 1 : 0);
208 break; 215 break;
209 } 216 }
210 } 217 }
211 218
212 GrEffectKey get(int index) const { 219 GrProcessorKey get(int index) const {
213 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t* >( 220 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t* >(
214 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset); 221 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset);
215 // We store two uint16_ts per effect, one for the offset to the effe ct's key and one for 222 // We store two uint16_ts per effect, one for the offset to the effe ct's key and one for
216 // its length. Here we just need the offset. 223 // its length. Here we just need the offset.
217 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0]; 224 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0];
218 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1]; 225 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1];
219 // Currently effects must add to the key in units of uint32_t. 226 // Currently effects must add to the key in units of uint32_t.
220 SkASSERT(0 == (length % sizeof(uint32_t))); 227 SkASSERT(0 == (length % sizeof(uint32_t)));
221 return GrEffectKey(reinterpret_cast<const uint32_t*>(fDesc->fKey.beg in() + offset), 228 return GrProcessorKey(reinterpret_cast<const uint32_t*>(fDesc->fKey. begin() + offset),
222 length / sizeof(uint32_t)); 229 length / sizeof(uint32_t));
223 } 230 }
224 private: 231 private:
225 const GrGLProgramDesc* fDesc; 232 const GrGLProgramDesc* fDesc;
226 int fBaseIndex; 233 int fBaseIndex;
227 }; 234 };
228 235
229 enum { 236 enum {
230 kMaxPreallocEffects = 8, 237 kMaxPreallocEffects = 8,
231 kIntsPerEffect = 4, // This is an overestimate of the average ef fect key size. 238 kIntsPerEffect = 4, // This is an overestimate of the average ef fect key size.
232 kPreAllocSize = kEffectKeyOffsetsAndLengthOffset + 239 kPreAllocSize = kEffectKeyOffsetsAndLengthOffset +
233 kMaxPreallocEffects * sizeof(uint32_t) * kIntsPerEffect, 240 kMaxPreallocEffects * sizeof(uint32_t) * kIntsPerEffect,
234 }; 241 };
235 242
236 SkSTArray<kPreAllocSize, uint8_t, true> fKey; 243 SkSTArray<kPreAllocSize, uint8_t, true> fKey;
237 244
238 // GrGLProgram and GrGLShaderBuilder read the private fields to generate cod e. TODO: Split out 245 // GrGLProgram and GrGLShaderBuilder read the private fields to generate cod e. TODO: Split out
239 // part of GrGLShaderBuilder that is used by effects so that this header doe sn't need to be 246 // part of GrGLShaderBuilder that is used by effects so that this header doe sn't need to be
240 // visible to GrGLEffects. Then make public accessors as necessary and remov e friends. 247 // visible to GrGLProcessors. Then make public accessors as necessary and re move friends.
241 friend class GrGLProgram; 248 friend class GrGLProgram;
242 friend class GrGLProgramBuilder; 249 friend class GrGLProgramBuilder;
243 friend class GrGLFullProgramBuilder; 250 friend class GrGLFullProgramBuilder;
244 friend class GrGLFragmentOnlyProgramBuilder; 251 friend class GrGLFragmentOnlyProgramBuilder;
245 friend class GrGLVertexShaderBuilder; 252 friend class GrGLVertexShaderBuilder;
246 friend class GrGLFragmentShaderBuilder; 253 friend class GrGLFragmentShaderBuilder;
247 friend class GrGLGeometryShaderBuilder; 254 friend class GrGLGeometryShaderBuilder;
248 }; 255 };
249 256
250 #endif 257 #endif
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