commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame^] | 8 | #ifndef GrGLGeometryProcessor_DEFINED |
| 9 | #define GrGLGeometryProcessor_DEFINED |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 10 | |
| 11 | #include "GrGLEffect.h" |
| 12 | |
| 13 | /** |
| 14 | * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, then it must inherit |
| 15 | * from this class. Since paths don't have vertices, this class is only meant to be used internally |
| 16 | * by skia, for special cases. |
| 17 | */ |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame^] | 18 | class GrGLGeometryProcessor : public GrGLEffect { |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 19 | public: |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame^] | 20 | GrGLGeometryProcessor(const GrBackendEffectFactory& factory) |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 21 | : INHERITED(factory) { fIsVertexEffect = true; } |
| 22 | |
| 23 | /** |
| 24 | * This is similar to emitCode() in the base class, except it takes a full shader builder. |
| 25 | * This allows the effect subclass to emit vertex code. |
| 26 | */ |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 27 | virtual void emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 28 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 29 | const GrEffectKey& key, |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 30 | const char* outputColor, |
| 31 | const char* inputColor, |
| 32 | const TransformedCoordsArray& coords, |
| 33 | const TextureSamplerArray& samplers) = 0; |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 34 | /** |
| 35 | * Provide a default override for base class's emitCode() function. |
| 36 | */ |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 37 | virtual void emitCode(GrGLProgramBuilder* builder, |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 38 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 39 | const GrEffectKey& key, |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 40 | const char* outputColor, |
| 41 | const char* inputColor, |
| 42 | const TransformedCoordsArray& coords, |
| 43 | const TextureSamplerArray& samplers) SK_OVERRIDE { |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame^] | 44 | SkFAIL("GrGLGeometryProcessor requires GrGLFullProgramBuilder* overload for emitCode()."); |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 45 | } |
| 46 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 47 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 48 | private: |
| 49 | typedef GrGLEffect INHERITED; |
| 50 | }; |
| 51 | |
| 52 | #endif |