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Side by Side Diff: src/gpu/gl/GrGLCaps.cpp

Issue 529993003: Use non-VBO vertex arrays on QC GPUs. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 8
9 #include "GrGLCaps.h" 9 #include "GrGLCaps.h"
10 #include "GrGLContext.h" 10 #include "GrGLContext.h"
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202 if (kIntel_GrGLVendor != ctxInfo.vendor()) { 202 if (kIntel_GrGLVendor != ctxInfo.vendor()) {
203 fFragCoordsConventionSupport = ctxInfo.glslGeneration() >= k150_GrGLSLGe neration || 203 fFragCoordsConventionSupport = ctxInfo.glslGeneration() >= k150_GrGLSLGe neration ||
204 ctxInfo.hasExtension("GL_ARB_fragment_coo rd_conventions"); 204 ctxInfo.hasExtension("GL_ARB_fragment_coo rd_conventions");
205 } 205 }
206 206
207 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha ve trouble with 207 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha ve trouble with
208 // frequently changing VBOs. We've measured a performance increase using non -VBO vertex 208 // frequently changing VBOs. We've measured a performance increase using non -VBO vertex
209 // data for dynamic content on these GPUs. Perhaps we should read the render er string and 209 // data for dynamic content on these GPUs. Perhaps we should read the render er string and
210 // limit this decision to specific GPU families rather than basing it on the vendor alone. 210 // limit this decision to specific GPU families rather than basing it on the vendor alone.
211 if (!GR_GL_MUST_USE_VBO && 211 if (!GR_GL_MUST_USE_VBO &&
212 (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxIn fo.vendor())) { 212 (kARM_GrGLVendor == ctxInfo.vendor() ||
213 kImagination_GrGLVendor == ctxInfo.vendor() ||
214 kQualcomm_GrGLVendor == ctxInfo.vendor())) {
213 fUseNonVBOVertexAndIndexDynamicData = true; 215 fUseNonVBOVertexAndIndexDynamicData = true;
214 } 216 }
215 217
216 if ((kGL_GrGLStandard == standard && version >= GR_GL_VER(4,3)) || 218 if ((kGL_GrGLStandard == standard && version >= GR_GL_VER(4,3)) ||
217 (kGLES_GrGLStandard == standard && version >= GR_GL_VER(3,0)) || 219 (kGLES_GrGLStandard == standard && version >= GR_GL_VER(3,0)) ||
218 ctxInfo.hasExtension("GL_ARB_invalidate_subdata")) { 220 ctxInfo.hasExtension("GL_ARB_invalidate_subdata")) {
219 fDiscardRenderTargetSupport = true; 221 fDiscardRenderTargetSupport = true;
220 fInvalidateFBType = kInvalidate_InvalidateFBType; 222 fInvalidateFBType = kInvalidate_InvalidateFBType;
221 } else if (ctxInfo.hasExtension("GL_EXT_discard_framebuffer")) { 223 } else if (ctxInfo.hasExtension("GL_EXT_discard_framebuffer")) {
222 fDiscardRenderTargetSupport = true; 224 fDiscardRenderTargetSupport = true;
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839 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); 841 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO"));
840 r.appendf("Fragment coord conventions support: %s\n", 842 r.appendf("Fragment coord conventions support: %s\n",
841 (fFragCoordsConventionSupport ? "YES": "NO")); 843 (fFragCoordsConventionSupport ? "YES": "NO"));
842 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO")); 844 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO"));
843 r.appendf("Use non-VBO for dynamic data: %s\n", 845 r.appendf("Use non-VBO for dynamic data: %s\n",
844 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); 846 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
845 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO ")); 847 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO "));
846 r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES" : "NO")); 848 r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES" : "NO"));
847 return r; 849 return r;
848 } 850 }
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