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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "GrGLShaderStringBuilder.h" | 8 #include "GrGLShaderStringBuilder.h" |
9 #include "gl/GrGLGpu.h" | 9 #include "gl/GrGLGpu.h" |
10 #include "gl/GrGLSLPrettyPrint.h" | 10 #include "gl/GrGLSLPrettyPrint.h" |
11 #include "SkRTConf.h" | 11 #include "SkRTConf.h" |
12 #include "SkTraceEvent.h" | 12 #include "SkTraceEvent.h" |
13 | 13 |
14 #define GL_CALL(X) GR_GL_CALL(gpu->glInterface(), X) | 14 #define GL_CALL(X) GR_GL_CALL(gpu->glInterface(), X) |
15 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(gpu->glInterface(), R, X) | 15 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(gpu->glInterface(), R, X) |
16 | 16 |
17 SK_CONF_DECLARE(bool, c_PrintShaders, "gpu.printShaders", false, | 17 SK_CONF_DECLARE(bool, c_PrintShaders, "gpu.printShaders", false, |
18 "Print the source code for all shaders generated."); | 18 "Print the source code for all shaders generated."); |
19 | 19 |
20 GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx, | 20 GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx, |
21 GrGLuint programId, | 21 GrGLuint programId, |
22 GrGLenum type, | 22 GrGLenum type, |
23 const char** strings, | 23 const SkString& shaderSrc, |
24 int* lengths, | |
25 int count, | |
26 GrGpu::Stats* stats) { | 24 GrGpu::Stats* stats) { |
27 const GrGLInterface* gli = glCtx.interface(); | 25 const GrGLInterface* gli = glCtx.interface(); |
28 | 26 |
29 GrGLuint shaderId; | 27 GrGLuint shaderId; |
30 GR_GL_CALL_RET(gli, shaderId, CreateShader(type)); | 28 GR_GL_CALL_RET(gli, shaderId, CreateShader(type)); |
31 if (0 == shaderId) { | 29 if (0 == shaderId) { |
32 return 0; | 30 return 0; |
33 } | 31 } |
34 | 32 |
35 #ifdef SK_DEBUG | 33 #ifdef SK_DEBUG |
36 SkString prettySource = GrGLSLPrettyPrint::PrettyPrintGLSL(strings, lengths,
count, false); | 34 SkString prettySource = GrGLSLPrettyPrint::PrettyPrintGLSL(shaderSrc, false)
; |
37 const GrGLchar* sourceStr = prettySource.c_str(); | 35 const GrGLchar* sourceStr = prettySource.c_str(); |
38 GrGLint sourceLength = static_cast<GrGLint>(prettySource.size()); | 36 GrGLint sourceLength = static_cast<GrGLint>(prettySource.size()); |
| 37 #else |
| 38 GrGLint sourceLength = static_cast<GrGLint>(shaderSrc.size()); |
| 39 const GrGLchar* sourceStr = shaderSrc.c_str(); |
| 40 #endif |
39 GR_GL_CALL(gli, ShaderSource(shaderId, 1, &sourceStr, &sourceLength)); | 41 GR_GL_CALL(gli, ShaderSource(shaderId, 1, &sourceStr, &sourceLength)); |
40 #else | |
41 GR_GL_CALL(gli, ShaderSource(shaderId, count, strings, lengths)); | |
42 #endif | |
43 | |
44 // If tracing is enabled in chrome then we pretty print | |
45 bool traceShader; | |
46 TRACE_EVENT_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), &t
raceShader); | |
47 if (traceShader) { | |
48 SkString shader = GrGLSLPrettyPrint::PrettyPrintGLSL(strings, lengths, c
ount, false); | |
49 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), "skia_gpu::G
LShader", | |
50 TRACE_EVENT_SCOPE_THREAD, "shader", TRACE_STR_COPY(
shader.c_str())); | |
51 } | |
52 | |
53 stats->incShaderCompilations(); | 42 stats->incShaderCompilations(); |
54 GR_GL_CALL(gli, CompileShader(shaderId)); | 43 GR_GL_CALL(gli, CompileShader(shaderId)); |
55 | 44 |
56 // Calling GetShaderiv in Chromium is quite expensive. Assume success in rel
ease builds. | 45 // Calling GetShaderiv in Chromium is quite expensive. Assume success in rel
ease builds. |
57 bool checkCompiled = !glCtx.isChromium(); | 46 bool checkCompiled = !glCtx.isChromium(); |
58 #ifdef SK_DEBUG | 47 #ifdef SK_DEBUG |
59 checkCompiled = true; | 48 checkCompiled = true; |
60 #endif | 49 #endif |
61 if (checkCompiled) { | 50 if (checkCompiled) { |
62 GrGLint compiled = GR_GL_INIT_ZERO; | 51 GrGLint compiled = GR_GL_INIT_ZERO; |
63 GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_COMPILE_STATUS, &compiled)); | 52 GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_COMPILE_STATUS, &compiled)); |
64 | 53 |
65 if (!compiled) { | 54 if (!compiled) { |
66 GrGLint infoLen = GR_GL_INIT_ZERO; | 55 GrGLint infoLen = GR_GL_INIT_ZERO; |
67 GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_INFO_LOG_LENGTH, &infoLe
n)); | 56 GR_GL_CALL(gli, GetShaderiv(shaderId, GR_GL_INFO_LOG_LENGTH, &infoLe
n)); |
68 SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugg
er | 57 SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugg
er |
69 if (infoLen > 0) { | 58 if (infoLen > 0) { |
70 // retrieve length even though we don't need it to workaround bu
g in Chromium cmd | 59 // retrieve length even though we don't need it to workaround bu
g in Chromium cmd |
71 // buffer param validation. | 60 // buffer param validation. |
72 GrGLsizei length = GR_GL_INIT_ZERO; | 61 GrGLsizei length = GR_GL_INIT_ZERO; |
73 GR_GL_CALL(gli, GetShaderInfoLog(shaderId, infoLen+1, &length, (
char*)log.get())); | 62 GR_GL_CALL(gli, GetShaderInfoLog(shaderId, infoLen+1, |
74 SkDebugf(GrGLSLPrettyPrint::PrettyPrintGLSL(strings, lengths, co
unt, true).c_str()); | 63 &length, (char*)log.get())); |
| 64 SkDebugf(GrGLSLPrettyPrint::PrettyPrintGLSL(shaderSrc, true).c_s
tr()); |
75 SkDebugf("\n%s", log.get()); | 65 SkDebugf("\n%s", log.get()); |
76 } | 66 } |
77 SkDEBUGFAIL("Shader compilation failed!"); | 67 SkDEBUGFAIL("Shader compilation failed!"); |
78 GR_GL_CALL(gli, DeleteShader(shaderId)); | 68 GR_GL_CALL(gli, DeleteShader(shaderId)); |
79 return 0; | 69 return 0; |
80 } | 70 } |
81 } | 71 } |
82 | 72 |
| 73 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), "skia_gpu::GLSha
der", |
| 74 TRACE_EVENT_SCOPE_THREAD, "shader", TRACE_STR_COPY(shad
erSrc.c_str())); |
83 if (c_PrintShaders) { | 75 if (c_PrintShaders) { |
84 SkDebugf(GrGLSLPrettyPrint::PrettyPrintGLSL(strings, lengths, count, tru
e).c_str()); | 76 SkDebugf(GrGLSLPrettyPrint::PrettyPrintGLSL(shaderSrc, true).c_str()); |
85 SkDebugf("\n"); | 77 SkDebugf("\n"); |
86 } | 78 } |
87 | 79 |
88 // Attach the shader, but defer deletion until after we have linked the prog
ram. | 80 // Attach the shader, but defer deletion until after we have linked the prog
ram. |
89 // This works around a bug in the Android emulator's GLES2 wrapper which | 81 // This works around a bug in the Android emulator's GLES2 wrapper which |
90 // will immediately delete the shader object and free its memory even though
it's | 82 // will immediately delete the shader object and free its memory even though
it's |
91 // attached to a program, which then causes glLinkProgram to fail. | 83 // attached to a program, which then causes glLinkProgram to fail. |
92 GR_GL_CALL(gli, AttachShader(programId, shaderId)); | 84 GR_GL_CALL(gli, AttachShader(programId, shaderId)); |
93 | 85 |
94 return shaderId; | 86 return shaderId; |
95 } | 87 } |
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