Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(182)

Side by Side Diff: src/gpu/GrDrawState.h

Issue 582963002: Solo gp (Closed) Base URL: https://skia.googlesource.com/skia.git@no_peb
Patch Set: fix Created 6 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 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 GrDrawState_DEFINED 8 #ifndef GrDrawState_DEFINED
9 #define GrDrawState_DEFINED 9 #define GrDrawState_DEFINED
10 10
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
44 } 44 }
45 45
46 /** 46 /**
47 * Copies another draw state with a preconcat to the view matrix. 47 * Copies another draw state with a preconcat to the view matrix.
48 **/ 48 **/
49 GrDrawState(const GrDrawState& state, const SkMatrix& preConcatMatrix); 49 GrDrawState(const GrDrawState& state, const SkMatrix& preConcatMatrix);
50 50
51 virtual ~GrDrawState(); 51 virtual ~GrDrawState();
52 52
53 /** 53 /**
54 * Resets to the default state. GrEffects will be removed from all stages. 54 * Resets to the default state. GrProcessors will be removed from all stages .
55 */ 55 */
56 void reset() { this->onReset(NULL); } 56 void reset() { this->onReset(NULL); }
57 57
58 void reset(const SkMatrix& initialViewMatrix) { this->onReset(&initialViewMa trix); } 58 void reset(const SkMatrix& initialViewMatrix) { this->onReset(&initialViewMa trix); }
59 59
60 /** 60 /**
61 * Initializes the GrDrawState based on a GrPaint, view matrix and render ta rget. Note that 61 * Initializes the GrDrawState based on a GrPaint, view matrix and render ta rget. Note that
62 * GrDrawState encompasses more than GrPaint. Aspects of GrDrawState that ha ve no GrPaint 62 * GrDrawState encompasses more than GrPaint. Aspects of GrDrawState that ha ve no GrPaint
63 * equivalents are set to default values with the exception of vertex attrib ute state which 63 * equivalents are set to default values with the exception of vertex attrib ute state which
64 * is unmodified by this function and clipping which will be enabled. 64 * is unmodified by this function and clipping which will be enabled.
65 */ 65 */
66 void setFromPaint(const GrPaint& , const SkMatrix& viewMatrix, GrRenderTarge t*); 66 void setFromPaint(const GrPaint& , const SkMatrix& viewMatrix, GrRenderTarge t*);
67 67
68 /////////////////////////////////////////////////////////////////////////// 68 ///////////////////////////////////////////////////////////////////////////
69 /// @name Vertex Attributes 69 /// @name Vertex Attributes
70 //// 70 ////
71 71
72 /** 72 /**
73 * The format of vertices is represented as an array of GrVertexAttribs, wit h each representing 73 * The format of vertices is represented as an array of GrVertexAttribs, wit h each representing
74 * the type of the attribute, its offset, and semantic binding (see GrVertex Attrib in 74 * the type of the attribute, its offset, and semantic binding (see GrVertex Attrib in
75 * GrTypesPriv.h). 75 * GrTypesPriv.h).
76 * 76 *
77 * The mapping of attributes with kEffect bindings to GrEffect inputs is spe cified when 77 * The mapping of attributes with kEffect bindings to GrProcessor inputs is specified when
78 * setEffect is called. 78 * setEffect is called.
79 */ 79 */
80 80
81 /** 81 /**
82 * Sets vertex attributes for next draw. The object driving the templatizat ion 82 * Sets vertex attributes for next draw. The object driving the templatizat ion
83 * should be a global GrVertexAttrib array that is never changed. 83 * should be a global GrVertexAttrib array that is never changed.
84 * 84 *
85 * @param count the number of attributes being set, limited to kMaxVer texAttribCnt. 85 * @param count the number of attributes being set, limited to kMaxVer texAttribCnt.
86 * @param stride the number of bytes between successive vertex data. 86 * @param stride the number of bytes between successive vertex data.
87 */ 87 */
(...skipping 83 matching lines...) Expand 10 before | Expand all | Expand 10 after
171 } 171 }
172 172
173 /// @} 173 /// @}
174 174
175 /** 175 /**
176 * The geometry processor is the sole element of the skia pipeline which can use the vertex, 176 * The geometry processor is the sole element of the skia pipeline which can use the vertex,
177 * geometry, and tesselation shaders. The GP may also compute a coverage in its fragment shader 177 * geometry, and tesselation shaders. The GP may also compute a coverage in its fragment shader
178 * but is never put in the color processing pipeline. 178 * but is never put in the color processing pipeline.
179 */ 179 */
180 180
181 const GrEffect* setGeometryProcessor(const GrEffect* effect) { 181 const GrGeometryProcessor* setGeometryProcessor(const GrGeometryProcessor* g eometryProcessor) {
182 SkASSERT(effect); 182 SkASSERT(geometryProcessor);
183 SkASSERT(effect->requiresVertexShader());
184 SkASSERT(!this->hasGeometryProcessor()); 183 SkASSERT(!this->hasGeometryProcessor());
185 fGeometryProcessor.reset(new GrEffectStage(effect)); 184 fGeometryProcessor.reset(new GrGeometryStage(geometryProcessor));
186 this->invalidateOptState(); 185 this->invalidateOptState();
187 return effect; 186 return geometryProcessor;
188 } 187 }
189 188
190 /////////////////////////////////////////////////////////////////////////// 189 ///////////////////////////////////////////////////////////////////////////
191 /// @name Effect Stages 190 /// @name Effect Stages
192 /// Each stage hosts a GrEffect. The effect produces an output color or cove rage in the fragment 191 /// Each stage hosts a GrProcessor. The effect produces an output color or c overage in the
193 /// shader. Its inputs are the output from the previous stage as well as som e variables 192 /// fragment shader. Its inputs are the output from the previous stage as we ll as some variables
194 /// available to it in the fragment and vertex shader (e.g. the vertex posit ion, the dst color, 193 /// available to it in the fragment and vertex shader (e.g. the vertex posit ion, the dst color,
195 /// the fragment position, local coordinates). 194 /// the fragment position, local coordinates).
196 /// 195 ///
197 /// The stages are divided into two sets, color-computing and coverage-compu ting. The final 196 /// The stages are divided into two sets, color-computing and coverage-compu ting. The final
198 /// color stage produces the final pixel color. The coverage-computing stage s function exactly 197 /// color stage produces the final pixel color. The coverage-computing stage s function exactly
199 /// as the color-computing but the output of the final coverage stage is tre ated as a fractional 198 /// as the color-computing but the output of the final coverage stage is tre ated as a fractional
200 /// pixel coverage rather than as input to the src/dst color blend step. 199 /// pixel coverage rather than as input to the src/dst color blend step.
201 /// 200 ///
202 /// The input color to the first color-stage is either the constant color or interpolated 201 /// The input color to the first color-stage is either the constant color or interpolated
203 /// per-vertex colors. The input to the first coverage stage is either a con stant coverage 202 /// per-vertex colors. The input to the first coverage stage is either a con stant coverage
204 /// (usually full-coverage) or interpolated per-vertex coverage. 203 /// (usually full-coverage) or interpolated per-vertex coverage.
205 /// 204 ///
206 /// See the documentation of kCoverageDrawing_StateBit for information about disabling the 205 /// See the documentation of kCoverageDrawing_StateBit for information about disabling the
207 /// the color / coverage distinction. 206 /// the color / coverage distinction.
208 //// 207 ////
209 208
210 const GrEffect* addColorEffect(const GrEffect* effect) { 209 const GrFragmentProcessor* addColorProcessor(const GrFragmentProcessor* effe ct) {
211 SkASSERT(effect); 210 SkASSERT(effect);
212 SkASSERT(!effect->requiresVertexShader()); 211 SkNEW_APPEND_TO_TARRAY(&fColorStages, GrFragmentStage, (effect));
213 SkNEW_APPEND_TO_TARRAY(&fColorStages, GrEffectStage, (effect));
214 this->invalidateOptState(); 212 this->invalidateOptState();
215 return effect; 213 return effect;
216 } 214 }
217 215
218 const GrEffect* addCoverageEffect(const GrEffect* effect) { 216 const GrFragmentProcessor* addCoverageProcessor(const GrFragmentProcessor* e ffect) {
219 SkASSERT(effect); 217 SkASSERT(effect);
220 SkASSERT(!effect->requiresVertexShader()); 218 SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrFragmentStage, (effect));
221 SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrEffectStage, (effect));
222 this->invalidateOptState(); 219 this->invalidateOptState();
223 return effect; 220 return effect;
224 } 221 }
225 222
226 /** 223 /**
227 * Creates a GrSimpleTextureEffect that uses local coords as texture coordin ates. 224 * Creates a GrSimpleTextureEffect that uses local coords as texture coordin ates.
228 */ 225 */
229 void addColorTextureEffect(GrTexture* texture, const SkMatrix& matrix) { 226 void addColorTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
230 this->addColorEffect(GrSimpleTextureEffect::Create(texture, matrix))->un ref(); 227 this->addColorProcessor(GrSimpleTextureEffect::Create(texture, matrix))- >unref();
231 } 228 }
232 229
233 void addCoverageTextureEffect(GrTexture* texture, const SkMatrix& matrix) { 230 void addCoverageTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
234 this->addCoverageEffect(GrSimpleTextureEffect::Create(texture, matrix))- >unref(); 231 this->addCoverageProcessor(GrSimpleTextureEffect::Create(texture, matrix ))->unref();
235 } 232 }
236 233
237 void addColorTextureEffect(GrTexture* texture, 234 void addColorTextureProcessor(GrTexture* texture,
238 const SkMatrix& matrix, 235 const SkMatrix& matrix,
239 const GrTextureParams& params) { 236 const GrTextureParams& params) {
240 this->addColorEffect(GrSimpleTextureEffect::Create(texture, matrix, para ms))->unref(); 237 this->addColorProcessor(GrSimpleTextureEffect::Create(texture, matrix, p arams))->unref();
241 } 238 }
242 239
243 void addCoverageTextureEffect(GrTexture* texture, 240 void addCoverageTextureProcessor(GrTexture* texture,
244 const SkMatrix& matrix, 241 const SkMatrix& matrix,
245 const GrTextureParams& params) { 242 const GrTextureParams& params) {
246 this->addCoverageEffect(GrSimpleTextureEffect::Create(texture, matrix, p arams))->unref(); 243 this->addCoverageProcessor(GrSimpleTextureEffect::Create(texture, matrix , params))->unref();
247 } 244 }
248 245
249 /** 246 /**
250 * When this object is destroyed it will remove any color/coverage effects f rom the draw state 247 * When this object is destroyed it will remove any color/coverage effects f rom the draw state
251 * that were added after its constructor. 248 * that were added after its constructor.
252 * 249 *
253 * This class has strange behavior around geometry processor. If there is a GP on the draw state 250 * This class has strange behavior around geometry processor. If there is a GP on the draw state
254 * it will assert that the GP is not modified until after the destructor of the ARE. If the 251 * it will assert that the GP is not modified until after the destructor of the ARE. If the
255 * draw state has a NULL GP when the ARE is constructed then it will reset i t to null in the 252 * draw state has a NULL GP when the ARE is constructed then it will reset i t to null in the
256 * destructor. 253 * destructor.
(...skipping 122 matching lines...) Expand 10 before | Expand all | Expand 10 after
379 376
380 void set(GrDrawState* drawState, const SkMatrix& preconcatMatrix); 377 void set(GrDrawState* drawState, const SkMatrix& preconcatMatrix);
381 378
382 /** Sets the draw state's matrix to identity. This can fail because the current view matrix 379 /** Sets the draw state's matrix to identity. This can fail because the current view matrix
383 is not invertible. */ 380 is not invertible. */
384 bool setIdentity(GrDrawState* drawState); 381 bool setIdentity(GrDrawState* drawState);
385 382
386 private: 383 private:
387 void doEffectCoordChanges(const SkMatrix& coordChangeMatrix); 384 void doEffectCoordChanges(const SkMatrix& coordChangeMatrix);
388 385
389 GrDrawState* fDrawState; 386 GrDrawState* fDrawState;
390 SkMatrix fViewMatrix; 387 SkMatrix fViewMatrix;
391 int fNumColorStages; 388 int fNumColorStages;
392 bool fHasGeometryProcesso r; 389 bool fHasGeometryProce ssor;
393 SkAutoSTArray<8, GrEffectStage::SavedCoordChange> fSavedCoordChanges; 390 SkAutoSTArray<8, GrProcessorStage::SavedCoordChange> fSavedCoordChange s;
394 }; 391 };
395 392
396 /// @} 393 /// @}
397 394
398 /////////////////////////////////////////////////////////////////////////// 395 ///////////////////////////////////////////////////////////////////////////
399 /// @name Render Target 396 /// @name Render Target
400 //// 397 ////
401 398
402 /** 399 /**
403 * Sets the render-target used at the next drawing call 400 * Sets the render-target used at the next drawing call
(...skipping 155 matching lines...) Expand 10 before | Expand all | Expand 10 after
559 SkDEBUGCODE(int fBlockEffectRemovalCnt;) 556 SkDEBUGCODE(int fBlockEffectRemovalCnt;)
560 557
561 void internalSetVertexAttribs(const GrVertexAttrib attribs[], int count, siz e_t stride); 558 void internalSetVertexAttribs(const GrVertexAttrib attribs[], int count, siz e_t stride);
562 559
563 mutable GrOptDrawState* fCachedOptState; 560 mutable GrOptDrawState* fCachedOptState;
564 561
565 typedef GrRODrawState INHERITED; 562 typedef GrRODrawState INHERITED;
566 }; 563 };
567 564
568 #endif 565 #endif
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698