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Side by Side Diff: third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp

Issue 1815803003: Move simple methods [T-Z] from WebGraphicsContext3D to GLES2Interface. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@simples-fplus
Patch Set: simples-tplus: fixed Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after
74 if (n != 1) { 74 if (n != 1) {
75 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawBuffe rsWEBGL", "must provide exactly one buffer"); 75 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawBuffe rsWEBGL", "must provide exactly one buffer");
76 return; 76 return;
77 } 77 }
78 if (bufs[0] != GL_BACK && bufs[0] != GL_NONE) { 78 if (bufs[0] != GL_BACK && bufs[0] != GL_NONE) {
79 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawBuffe rsWEBGL", "BACK or NONE"); 79 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawBuffe rsWEBGL", "BACK or NONE");
80 return; 80 return;
81 } 81 }
82 // Because the backbuffer is simulated on all current WebKit ports, we n eed to change BACK to COLOR_ATTACHMENT0. 82 // Because the backbuffer is simulated on all current WebKit ports, we n eed to change BACK to COLOR_ATTACHMENT0.
83 GLenum value = (bufs[0] == GL_BACK) ? GL_COLOR_ATTACHMENT0 : GL_NONE; 83 GLenum value = (bufs[0] == GL_BACK) ? GL_COLOR_ATTACHMENT0 : GL_NONE;
84 scoped.context()->webContext()->drawBuffersEXT(1, &value); 84 scoped.context()->contextGL()->DrawBuffersEXT(1, &value);
85 scoped.context()->setBackDrawBuffer(bufs[0]); 85 scoped.context()->setBackDrawBuffer(bufs[0]);
86 } else { 86 } else {
87 if (n > scoped.context()->maxDrawBuffers()) { 87 if (n > scoped.context()->maxDrawBuffers()) {
88 scoped.context()->synthesizeGLError(GL_INVALID_VALUE, "drawBuffersWE BGL", "more than max draw buffers"); 88 scoped.context()->synthesizeGLError(GL_INVALID_VALUE, "drawBuffersWE BGL", "more than max draw buffers");
89 return; 89 return;
90 } 90 }
91 for (GLsizei i = 0; i < n; ++i) { 91 for (GLsizei i = 0; i < n; ++i) {
92 if (bufs[i] != GL_NONE && bufs[i] != static_cast<GLenum>(GL_COLOR_AT TACHMENT0_EXT + i)) { 92 if (bufs[i] != GL_NONE && bufs[i] != static_cast<GLenum>(GL_COLOR_AT TACHMENT0_EXT + i)) {
93 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawB uffersWEBGL", "COLOR_ATTACHMENTi_EXT or NONE"); 93 scoped.context()->synthesizeGLError(GL_INVALID_OPERATION, "drawB uffersWEBGL", "COLOR_ATTACHMENTi_EXT or NONE");
94 return; 94 return;
(...skipping 24 matching lines...) Expand all
119 const unsigned char* buffer = 0; // Chromium doesn't allow init data for dep th/stencil tetxures. 119 const unsigned char* buffer = 0; // Chromium doesn't allow init data for dep th/stencil tetxures.
120 bool supportsDepth = (extensionsUtil->supportsExtension("GL_CHROMIUM_depth_t exture") 120 bool supportsDepth = (extensionsUtil->supportsExtension("GL_CHROMIUM_depth_t exture")
121 || extensionsUtil->supportsExtension("GL_OES_depth_texture") 121 || extensionsUtil->supportsExtension("GL_OES_depth_texture")
122 || extensionsUtil->supportsExtension("GL_ARB_depth_texture")); 122 || extensionsUtil->supportsExtension("GL_ARB_depth_texture"));
123 bool supportsDepthStencil = (extensionsUtil->supportsExtension("GL_EXT_packe d_depth_stencil") 123 bool supportsDepthStencil = (extensionsUtil->supportsExtension("GL_EXT_packe d_depth_stencil")
124 || extensionsUtil->supportsExtension("GL_OES_packed_depth_stencil")); 124 || extensionsUtil->supportsExtension("GL_OES_packed_depth_stencil"));
125 Platform3DObject depthStencil = 0; 125 Platform3DObject depthStencil = 0;
126 if (supportsDepthStencil) { 126 if (supportsDepthStencil) {
127 depthStencil = context->createTexture(); 127 depthStencil = context->createTexture();
128 gl->BindTexture(GL_TEXTURE_2D, depthStencil); 128 gl->BindTexture(GL_TEXTURE_2D, depthStencil);
129 context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_STENCIL_OES, 1, 1, 0, GL_ DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, buffer); 129 gl->TexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_STENCIL_OES, 1, 1, 0, GL_DEPTH _STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, buffer);
130 } 130 }
131 Platform3DObject depth = 0; 131 Platform3DObject depth = 0;
132 if (supportsDepth) { 132 if (supportsDepth) {
133 depth = context->createTexture(); 133 depth = context->createTexture();
134 gl->BindTexture(GL_TEXTURE_2D, depth); 134 gl->BindTexture(GL_TEXTURE_2D, depth);
135 context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 1, 1, 0, GL_DE PTH_COMPONENT, GL_UNSIGNED_INT, buffer); 135 gl->TexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 1, 1, 0, GL_DEPTH_C OMPONENT, GL_UNSIGNED_INT, buffer);
136 } 136 }
137 137
138 Vector<Platform3DObject> colors; 138 Vector<Platform3DObject> colors;
139 bool ok = true; 139 bool ok = true;
140 GLint maxAllowedBuffers = std::min(maxDrawBuffers, maxColorAttachments); 140 GLint maxAllowedBuffers = std::min(maxDrawBuffers, maxColorAttachments);
141 for (GLint i = 0; i < maxAllowedBuffers; ++i) { 141 for (GLint i = 0; i < maxAllowedBuffers; ++i) {
142 Platform3DObject color = context->createTexture(); 142 Platform3DObject color = context->createTexture();
143 colors.append(color); 143 colors.append(color);
144 gl->BindTexture(GL_TEXTURE_2D, color); 144 gl->BindTexture(GL_TEXTURE_2D, color);
145 context->texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSI GNED_BYTE, buffer); 145 gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_ BYTE, buffer);
146 gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TE XTURE_2D, color, 0); 146 gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TE XTURE_2D, color, 0);
147 if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLET E) { 147 if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLET E) {
148 ok = false; 148 ok = false;
149 break; 149 break;
150 } 150 }
151 if (supportsDepth) { 151 if (supportsDepth) {
152 gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEX TURE_2D, depth, 0); 152 gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEX TURE_2D, depth, 0);
153 if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COM PLETE) { 153 if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COM PLETE) {
154 ok = false; 154 ok = false;
155 break; 155 break;
(...skipping 18 matching lines...) Expand all
174 if (supportsDepth) 174 if (supportsDepth)
175 context->deleteTexture(depth); 175 context->deleteTexture(depth);
176 if (supportsDepthStencil) 176 if (supportsDepthStencil)
177 context->deleteTexture(depthStencil); 177 context->deleteTexture(depthStencil);
178 for (size_t i = 0; i < colors.size(); ++i) 178 for (size_t i = 0; i < colors.size(); ++i)
179 context->deleteTexture(colors[i]); 179 context->deleteTexture(colors[i]);
180 return ok; 180 return ok;
181 } 181 }
182 182
183 } // namespace blink 183 } // namespace blink
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