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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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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 fDropsTileOnZeroDivide = false; | 49 fDropsTileOnZeroDivide = false; |
51 } | 50 } |
52 | 51 |
53 GrGLCaps::GrGLCaps(const GrGLCaps& caps) : GrDrawTargetCaps() { | 52 GrGLCaps::GrGLCaps(const GrGLCaps& caps) : GrDrawTargetCaps() { |
54 *this = caps; | 53 *this = caps; |
55 } | 54 } |
56 | 55 |
57 GrGLCaps& GrGLCaps::operator = (const GrGLCaps& caps) { | 56 GrGLCaps& GrGLCaps::operator = (const GrGLCaps& caps) { |
58 INHERITED::operator=(caps); | 57 INHERITED::operator=(caps); |
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76 fTextureUsageSupport = caps.fTextureUsageSupport; | 75 fTextureUsageSupport = caps.fTextureUsageSupport; |
77 fTexStorageSupport = caps.fTexStorageSupport; | 76 fTexStorageSupport = caps.fTexStorageSupport; |
78 fTextureRedSupport = caps.fTextureRedSupport; | 77 fTextureRedSupport = caps.fTextureRedSupport; |
79 fImagingSupport = caps.fImagingSupport; | 78 fImagingSupport = caps.fImagingSupport; |
80 fTwoFormatLimit = caps.fTwoFormatLimit; | 79 fTwoFormatLimit = caps.fTwoFormatLimit; |
81 fFragCoordsConventionSupport = caps.fFragCoordsConventionSupport; | 80 fFragCoordsConventionSupport = caps.fFragCoordsConventionSupport; |
82 fVertexArrayObjectSupport = caps.fVertexArrayObjectSupport; | 81 fVertexArrayObjectSupport = caps.fVertexArrayObjectSupport; |
83 fUseNonVBOVertexAndIndexDynamicData = caps.fUseNonVBOVertexAndIndexDynamicDa
ta; | 82 fUseNonVBOVertexAndIndexDynamicData = caps.fUseNonVBOVertexAndIndexDynamicDa
ta; |
84 fIsCoreProfile = caps.fIsCoreProfile; | 83 fIsCoreProfile = caps.fIsCoreProfile; |
85 fFixedFunctionSupport = caps.fFixedFunctionSupport; | 84 fFixedFunctionSupport = caps.fFixedFunctionSupport; |
86 fDiscardFBSupport = caps.fDiscardFBSupport; | |
87 fFullClearIsFree = caps.fFullClearIsFree; | 85 fFullClearIsFree = caps.fFullClearIsFree; |
88 fDropsTileOnZeroDivide = caps.fDropsTileOnZeroDivide; | 86 fDropsTileOnZeroDivide = caps.fDropsTileOnZeroDivide; |
89 | 87 |
90 return *this; | 88 return *this; |
91 } | 89 } |
92 | 90 |
93 void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { | 91 void GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { |
94 | 92 |
95 this->reset(); | 93 this->reset(); |
96 if (!ctxInfo.isInitialized()) { | 94 if (!ctxInfo.isInitialized()) { |
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217 | 215 |
218 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha
ve trouble with | 216 // SGX and Mali GPUs that are based on a tiled-deferred architecture that ha
ve trouble with |
219 // frequently changing VBOs. We've measured a performance increase using non
-VBO vertex | 217 // frequently changing VBOs. We've measured a performance increase using non
-VBO vertex |
220 // data for dynamic content on these GPUs. Perhaps we should read the render
er string and | 218 // data for dynamic content on these GPUs. Perhaps we should read the render
er string and |
221 // limit this decision to specific GPU families rather than basing it on the
vendor alone. | 219 // limit this decision to specific GPU families rather than basing it on the
vendor alone. |
222 if (!GR_GL_MUST_USE_VBO && | 220 if (!GR_GL_MUST_USE_VBO && |
223 (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxIn
fo.vendor())) { | 221 (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxIn
fo.vendor())) { |
224 fUseNonVBOVertexAndIndexDynamicData = true; | 222 fUseNonVBOVertexAndIndexDynamicData = true; |
225 } | 223 } |
226 | 224 |
227 fDiscardFBSupport = ctxInfo.hasExtension("GL_EXT_discard_framebuffer"); | 225 fDiscardRenderTargetSupport = ctxInfo.hasExtension("GL_EXT_discard_framebuff
er"); |
228 | 226 |
229 if (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxInf
o.vendor()) { | 227 if (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxInf
o.vendor()) { |
230 fFullClearIsFree = true; | 228 fFullClearIsFree = true; |
231 } | 229 } |
232 | 230 |
233 if (kGL_GrGLStandard == standard) { | 231 if (kGL_GrGLStandard == standard) { |
234 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || | 232 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || |
235 ctxInfo.hasExtension("GL_ARB_vertex_array_ob
ject"); | 233 ctxInfo.hasExtension("GL_ARB_vertex_array_ob
ject"); |
236 } else { | 234 } else { |
237 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || | 235 fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || |
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657 r.appendf("Texture Usage support: %s\n", (fTextureUsageSupport ? "YES": "NO"
)); | 655 r.appendf("Texture Usage support: %s\n", (fTextureUsageSupport ? "YES": "NO"
)); |
658 r.appendf("Texture Storage support: %s\n", (fTexStorageSupport ? "YES": "NO"
)); | 656 r.appendf("Texture Storage support: %s\n", (fTexStorageSupport ? "YES": "NO"
)); |
659 r.appendf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO")); | 657 r.appendf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO")); |
660 r.appendf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO")); | 658 r.appendf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO")); |
661 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); | 659 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); |
662 r.appendf("Fragment coord conventions support: %s\n", | 660 r.appendf("Fragment coord conventions support: %s\n", |
663 (fFragCoordsConventionSupport ? "YES": "NO")); | 661 (fFragCoordsConventionSupport ? "YES": "NO")); |
664 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ?
"YES": "NO")); | 662 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ?
"YES": "NO")); |
665 r.appendf("Use non-VBO for dynamic data: %s\n", | 663 r.appendf("Use non-VBO for dynamic data: %s\n", |
666 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); | 664 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); |
667 r.appendf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" :
"NO")); | |
668 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO
")); | 665 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO
")); |
669 r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES"
: "NO")); | 666 r.appendf("Drops tile on zero divide: %s\n", (fDropsTileOnZeroDivide ? "YES"
: "NO")); |
670 return r; | 667 return r; |
671 } | 668 } |
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