daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 1 | // |
Geoff Lang | cec3590 | 2014-04-16 10:52:36 -0400 | [diff] [blame] | 2 | // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved. |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 3 | // Use of this source code is governed by a BSD-style license that can be |
| 4 | // found in the LICENSE file. |
| 5 | // |
| 6 | |
| 7 | // Shader.cpp: Implements the gl::Shader class and its derived classes |
| 8 | // VertexShader and FragmentShader. Implements GL shader objects and related |
| 9 | // functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section 3.8 page 84. |
| 10 | |
daniel@transgaming.com | bbf56f7 | 2010-04-20 18:52:13 +0000 | [diff] [blame] | 11 | #include "libGLESv2/Shader.h" |
shannon.woods@transgaming.com | 486d9e9 | 2013-02-28 23:15:41 +0000 | [diff] [blame] | 12 | #include "libGLESv2/renderer/Renderer.h" |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 13 | #include "libGLESv2/renderer/ShaderImpl.h" |
shannon.woods@transgaming.com | 486d9e9 | 2013-02-28 23:15:41 +0000 | [diff] [blame] | 14 | #include "libGLESv2/Constants.h" |
| 15 | #include "libGLESv2/ResourceManager.h" |
daniel@transgaming.com | bbf56f7 | 2010-04-20 18:52:13 +0000 | [diff] [blame] | 16 | |
Geoff Lang | 0b7eef7 | 2014-06-12 14:10:47 -0400 | [diff] [blame] | 17 | #include "common/utilities.h" |
| 18 | |
| 19 | #include "GLSLANG/ShaderLang.h" |
| 20 | |
| 21 | #include <sstream> |
| 22 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 23 | namespace gl |
| 24 | { |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 25 | |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 26 | Shader::Shader(ResourceManager *manager, rx::ShaderImpl *impl, GLenum type, GLuint handle) |
| 27 | : mShader(impl), |
| 28 | mType(type), |
| 29 | mHandle(handle), |
| 30 | mResourceManager(manager), |
| 31 | mRefCount(0), |
| 32 | mDeleteStatus(false), |
| 33 | mCompiled(false) |
Jamie Madill | e294bb8 | 2014-07-17 14:16:26 -0400 | [diff] [blame] | 34 | { |
Jamie Madill | d15250e | 2014-09-03 09:40:44 -0400 | [diff] [blame] | 35 | ASSERT(impl); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | Shader::~Shader() |
| 39 | { |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 40 | } |
| 41 | |
daniel@transgaming.com | 6c78521 | 2010-03-30 03:36:17 +0000 | [diff] [blame] | 42 | GLuint Shader::getHandle() const |
| 43 | { |
| 44 | return mHandle; |
| 45 | } |
| 46 | |
shannon.woods%transgaming.com@gtempaccount.com | 5f33933 | 2013-04-13 03:29:02 +0000 | [diff] [blame] | 47 | void Shader::setSource(GLsizei count, const char *const *string, const GLint *length) |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 48 | { |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 49 | std::ostringstream stream; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 50 | |
| 51 | for (int i = 0; i < count; i++) |
| 52 | { |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 53 | stream << string[i]; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 54 | } |
| 55 | |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 56 | mSource = stream.str(); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 57 | } |
| 58 | |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 59 | int Shader::getInfoLogLength() const |
| 60 | { |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 61 | return mShader->getInfoLog().empty() ? 0 : (mShader->getInfoLog().length() + 1); |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 62 | } |
| 63 | |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 64 | void Shader::getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 65 | { |
| 66 | int index = 0; |
| 67 | |
daniel@transgaming.com | 807d8c3 | 2012-04-04 15:06:04 +0000 | [diff] [blame] | 68 | if (bufSize > 0) |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 69 | { |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 70 | index = std::min(bufSize - 1, static_cast<GLsizei>(mShader->getInfoLog().length())); |
| 71 | memcpy(infoLog, mShader->getInfoLog().c_str(), index); |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 72 | |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 73 | infoLog[index] = '\0'; |
| 74 | } |
| 75 | |
| 76 | if (length) |
| 77 | { |
| 78 | *length = index; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | int Shader::getSourceLength() const |
| 83 | { |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 84 | return mSource.empty() ? 0 : (mSource.length() + 1); |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 85 | } |
| 86 | |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 87 | int Shader::getTranslatedSourceLength() const |
| 88 | { |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 89 | return mShader->getTranslatedSource().empty() ? 0 : (mShader->getTranslatedSource().length() + 1); |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 90 | } |
| 91 | |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 92 | void Shader::getSourceImpl(const std::string &source, GLsizei bufSize, GLsizei *length, char *buffer) |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 93 | { |
| 94 | int index = 0; |
| 95 | |
daniel@transgaming.com | 807d8c3 | 2012-04-04 15:06:04 +0000 | [diff] [blame] | 96 | if (bufSize > 0) |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 97 | { |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 98 | index = std::min(bufSize - 1, static_cast<GLsizei>(source.length())); |
| 99 | memcpy(buffer, source.c_str(), index); |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 100 | |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 101 | buffer[index] = '\0'; |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | if (length) |
| 105 | { |
| 106 | *length = index; |
| 107 | } |
| 108 | } |
| 109 | |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 110 | void Shader::getSource(GLsizei bufSize, GLsizei *length, char *buffer) const |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 111 | { |
| 112 | getSourceImpl(mSource, bufSize, length, buffer); |
| 113 | } |
| 114 | |
Geoff Lang | 536d726 | 2013-08-26 17:04:20 -0400 | [diff] [blame] | 115 | void Shader::getTranslatedSource(GLsizei bufSize, GLsizei *length, char *buffer) const |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 116 | { |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 117 | getSourceImpl(mShader->getTranslatedSource(), bufSize, length, buffer); |
zmo@google.com | a574f78 | 2011-10-03 21:45:23 +0000 | [diff] [blame] | 118 | } |
| 119 | |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 120 | void Shader::compile() |
Jamie Madill | bf9cce2 | 2014-07-18 10:33:09 -0400 | [diff] [blame] | 121 | { |
Brandon Jones | f05cdee | 2014-08-27 15:24:07 -0700 | [diff] [blame] | 122 | mCompiled = mShader->compile(mSource); |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 123 | } |
| 124 | |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 125 | void Shader::addRef() |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 126 | { |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 127 | mRefCount++; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 128 | } |
| 129 | |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 130 | void Shader::release() |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 131 | { |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 132 | mRefCount--; |
daniel@transgaming.com | 71cd868 | 2010-04-29 03:35:25 +0000 | [diff] [blame] | 133 | |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 134 | if (mRefCount == 0 && mDeleteStatus) |
daniel@transgaming.com | 71cd868 | 2010-04-29 03:35:25 +0000 | [diff] [blame] | 135 | { |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 136 | mResourceManager->deleteShader(mHandle); |
daniel@transgaming.com | 71cd868 | 2010-04-29 03:35:25 +0000 | [diff] [blame] | 137 | } |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 138 | } |
| 139 | |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 140 | unsigned int Shader::getRefCount() const |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 141 | { |
daniel@transgaming.com | da13f3e | 2010-07-28 19:20:56 +0000 | [diff] [blame] | 142 | return mRefCount; |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 143 | } |
| 144 | |
daniel@transgaming.com | cba5057 | 2010-03-28 19:36:09 +0000 | [diff] [blame] | 145 | bool Shader::isFlaggedForDeletion() const |
| 146 | { |
| 147 | return mDeleteStatus; |
| 148 | } |
| 149 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 150 | void Shader::flagForDeletion() |
| 151 | { |
| 152 | mDeleteStatus = true; |
| 153 | } |
| 154 | |
Jamie Madill | d15250e | 2014-09-03 09:40:44 -0400 | [diff] [blame] | 155 | const std::vector<gl::PackedVarying> &Shader::getVaryings() const |
| 156 | { |
| 157 | return mShader->getVaryings(); |
| 158 | } |
| 159 | |
| 160 | const std::vector<sh::Uniform> &Shader::getUniforms() const |
| 161 | { |
| 162 | return mShader->getUniforms(); |
| 163 | } |
| 164 | |
| 165 | const std::vector<sh::InterfaceBlock> &Shader::getInterfaceBlocks() const |
| 166 | { |
| 167 | return mShader->getInterfaceBlocks(); |
| 168 | } |
| 169 | |
| 170 | const std::vector<sh::Attribute> &Shader::getActiveAttributes() const |
| 171 | { |
| 172 | return mShader->getActiveAttributes(); |
| 173 | } |
| 174 | |
| 175 | const std::vector<sh::Attribute> &Shader::getActiveOutputVariables() const |
| 176 | { |
| 177 | return mShader->getActiveOutputVariables(); |
| 178 | } |
| 179 | |
| 180 | std::vector<gl::PackedVarying> &Shader::getVaryings() |
| 181 | { |
| 182 | return mShader->getVaryings(); |
| 183 | } |
| 184 | |
| 185 | std::vector<sh::Uniform> &Shader::getUniforms() |
| 186 | { |
| 187 | return mShader->getUniforms(); |
| 188 | } |
| 189 | |
| 190 | std::vector<sh::InterfaceBlock> &Shader::getInterfaceBlocks() |
| 191 | { |
| 192 | return mShader->getInterfaceBlocks(); |
| 193 | } |
| 194 | |
| 195 | std::vector<sh::Attribute> &Shader::getActiveAttributes() |
| 196 | { |
| 197 | return mShader->getActiveAttributes(); |
| 198 | } |
| 199 | |
| 200 | std::vector<sh::Attribute> &Shader::getActiveOutputVariables() |
| 201 | { |
| 202 | return mShader->getActiveOutputVariables(); |
| 203 | } |
| 204 | |
daniel@transgaming.com | 4f39fd9 | 2010-03-08 20:26:45 +0000 | [diff] [blame] | 205 | } |