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

Issue 211683002: Add discard API to SkCanvas, plumb it to glDiscardFramebuffer() (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: assert that clear color is pm Created 6 years, 9 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"
(...skipping 27 matching lines...) Expand all
38 fTextureUsageSupport = false; 38 fTextureUsageSupport = false;
39 fTexStorageSupport = false; 39 fTexStorageSupport = false;
40 fTextureRedSupport = false; 40 fTextureRedSupport = false;
41 fImagingSupport = false; 41 fImagingSupport = false;
42 fTwoFormatLimit = false; 42 fTwoFormatLimit = false;
43 fFragCoordsConventionSupport = false; 43 fFragCoordsConventionSupport = false;
44 fVertexArrayObjectSupport = false; 44 fVertexArrayObjectSupport = false;
45 fUseNonVBOVertexAndIndexDynamicData = false; 45 fUseNonVBOVertexAndIndexDynamicData = false;
46 fIsCoreProfile = false; 46 fIsCoreProfile = false;
47 fFixedFunctionSupport = false; 47 fFixedFunctionSupport = false;
48 fDiscardFBSupport = false;
49 fFullClearIsFree = false; 48 fFullClearIsFree = false;
50 } 49 }
51 50
52 GrGLCaps::GrGLCaps(const GrGLCaps& caps) : GrDrawTargetCaps() { 51 GrGLCaps::GrGLCaps(const GrGLCaps& caps) : GrDrawTargetCaps() {
53 *this = caps; 52 *this = caps;
54 } 53 }
55 54
56 GrGLCaps& GrGLCaps::operator = (const GrGLCaps& caps) { 55 GrGLCaps& GrGLCaps::operator = (const GrGLCaps& caps) {
57 INHERITED::operator=(caps); 56 INHERITED::operator=(caps);
58 fVerifiedColorConfigs = caps.fVerifiedColorConfigs; 57 fVerifiedColorConfigs = caps.fVerifiedColorConfigs;
(...skipping 16 matching lines...) Expand all
75 fTextureUsageSupport = caps.fTextureUsageSupport; 74 fTextureUsageSupport = caps.fTextureUsageSupport;
76 fTexStorageSupport = caps.fTexStorageSupport; 75 fTexStorageSupport = caps.fTexStorageSupport;
77 fTextureRedSupport = caps.fTextureRedSupport; 76 fTextureRedSupport = caps.fTextureRedSupport;
78 fImagingSupport = caps.fImagingSupport; 77 fImagingSupport = caps.fImagingSupport;
79 fTwoFormatLimit = caps.fTwoFormatLimit; 78 fTwoFormatLimit = caps.fTwoFormatLimit;
80 fFragCoordsConventionSupport = caps.fFragCoordsConventionSupport; 79 fFragCoordsConventionSupport = caps.fFragCoordsConventionSupport;
81 fVertexArrayObjectSupport = caps.fVertexArrayObjectSupport; 80 fVertexArrayObjectSupport = caps.fVertexArrayObjectSupport;
82 fUseNonVBOVertexAndIndexDynamicData = caps.fUseNonVBOVertexAndIndexDynamicDa ta; 81 fUseNonVBOVertexAndIndexDynamicData = caps.fUseNonVBOVertexAndIndexDynamicDa ta;
83 fIsCoreProfile = caps.fIsCoreProfile; 82 fIsCoreProfile = caps.fIsCoreProfile;
84 fFixedFunctionSupport = caps.fFixedFunctionSupport; 83 fFixedFunctionSupport = caps.fFixedFunctionSupport;
85 fDiscardFBSupport = caps.fDiscardFBSupport;
86 fFullClearIsFree = caps.fFullClearIsFree; 84 fFullClearIsFree = caps.fFullClearIsFree;
87 85
88 return *this; 86 return *this;
89 } 87 }
90 88
91 void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { 89 void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {
92 90
93 this->reset(); 91 this->reset();
94 if (!ctxInfo.isInitialized()) { 92 if (!ctxInfo.isInitialized()) {
95 return; 93 return;
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215 213
216 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha ve trouble with 214 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha ve trouble with
217 // frequently changing VBOs. We've measured a performance increase using non -VBO vertex 215 // frequently changing VBOs. We've measured a performance increase using non -VBO vertex
218 // data for dynamic content on these GPUs. Perhaps we should read the render er string and 216 // data for dynamic content on these GPUs. Perhaps we should read the render er string and
219 // limit this decision to specific GPU families rather than basing it on the vendor alone. 217 // limit this decision to specific GPU families rather than basing it on the vendor alone.
220 if (!GR_GL_MUST_USE_VBO && 218 if (!GR_GL_MUST_USE_VBO &&
221 (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxIn fo.vendor())) { 219 (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxIn fo.vendor())) {
222 fUseNonVBOVertexAndIndexDynamicData = true; 220 fUseNonVBOVertexAndIndexDynamicData = true;
223 } 221 }
224 222
225 fDiscardFBSupport = ctxInfo.hasExtension("GL_EXT_discard_framebuffer"); 223 fDiscardRenderTargetSupport = ctxInfo.hasExtension("GL_EXT_discard_framebuff er");
226 224
227 if (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxInf o.vendor()) { 225 if (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxInf o.vendor()) {
228 fFullClearIsFree = true; 226 fFullClearIsFree = true;
229 } 227 }
230 228
231 if (kGL_GrGLStandard == standard) { 229 if (kGL_GrGLStandard == standard) {
232 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || 230 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) ||
233 ctxInfo.hasExtension("GL_ARB_vertex_array_ob ject"); 231 ctxInfo.hasExtension("GL_ARB_vertex_array_ob ject");
234 } else { 232 } else {
235 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || 233 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) ||
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652 r.appendf("Texture Usage support: %s\n", (fTextureUsageSupport ? "YES": "NO" )); 650 r.appendf("Texture Usage support: %s\n", (fTextureUsageSupport ? "YES": "NO" ));
653 r.appendf("Texture Storage support: %s\n", (fTexStorageSupport ? "YES": "NO" )); 651 r.appendf("Texture Storage support: %s\n", (fTexStorageSupport ? "YES": "NO" ));
654 r.appendf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO")); 652 r.appendf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO"));
655 r.appendf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO")); 653 r.appendf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO"));
656 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); 654 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO"));
657 r.appendf("Fragment coord conventions support: %s\n", 655 r.appendf("Fragment coord conventions support: %s\n",
658 (fFragCoordsConventionSupport ? "YES": "NO")); 656 (fFragCoordsConventionSupport ? "YES": "NO"));
659 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO")); 657 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO"));
660 r.appendf("Use non-VBO for dynamic data: %s\n", 658 r.appendf("Use non-VBO for dynamic data: %s\n",
661 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); 659 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
662 r.appendf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" : "NO"));
663 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO ")); 660 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO "));
664 return r; 661 return r;
665 } 662 }
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