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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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278 } | 278 } |
279 | 279 |
280 if (kDesktop_GrGLBinding == binding) { | 280 if (kDesktop_GrGLBinding == binding) { |
281 fBufferLockSupport = true; // we require VBO support and the desktop VBO
extension includes | 281 fBufferLockSupport = true; // we require VBO support and the desktop VBO
extension includes |
282 // glMapBuffer. | 282 // glMapBuffer. |
283 } else { | 283 } else { |
284 fBufferLockSupport = ctxInfo.hasExtension("GL_OES_mapbuffer"); | 284 fBufferLockSupport = ctxInfo.hasExtension("GL_OES_mapbuffer"); |
285 } | 285 } |
286 | 286 |
287 if (kDesktop_GrGLBinding == binding) { | 287 if (kDesktop_GrGLBinding == binding) { |
288 if (ctxInfo.version() >= GR_GL_VER(2,0) || | 288 SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || |
289 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")) { | 289 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); |
290 fNPOTTextureTileSupport = true; | 290 fNPOTTextureTileSupport = true; |
291 } else { | 291 fMipMapSupport = true; |
292 fNPOTTextureTileSupport = false; | |
293 } | |
294 } else { | 292 } else { |
295 // Unextended ES2 supports NPOT textures with clamp_to_edge and non-mip
filters only | 293 // Unextended ES2 supports NPOT textures with clamp_to_edge and non-mip
filters only |
296 // ES3 has no limitations. | 294 // ES3 has no limitations. |
297 fNPOTTextureTileSupport = ctxInfo.version() >= GR_GL_VER(3,0) || | 295 fNPOTTextureTileSupport = ctxInfo.version() >= GR_GL_VER(3,0) || |
298 ctxInfo.hasExtension("GL_OES_texture_npot"); | 296 ctxInfo.hasExtension("GL_OES_texture_npot"); |
| 297 // ES2 supports MIP mapping for POT textures but our caps don't allow fo
r limited MIP |
| 298 // support. The OES extension or ES 3.0 allow for MIPS on NPOT textures.
So, apparently, |
| 299 // does the undocumented GL_IMG_texture_npot extension. This extension d
oes not seem to |
| 300 // to alllow arbitrary wrap modes, however. |
| 301 fMipMapSupport = fNPOTTextureTileSupport || ctxInfo.hasExtension("GL_IMG
_texture_npot"); |
299 } | 302 } |
300 | 303 |
301 fHWAALineSupport = (kDesktop_GrGLBinding == binding); | 304 fHWAALineSupport = (kDesktop_GrGLBinding == binding); |
302 | 305 |
303 GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_SIZE, &fMaxTextureSize); | 306 GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_SIZE, &fMaxTextureSize); |
304 GR_GL_GetIntegerv(gli, GR_GL_MAX_RENDERBUFFER_SIZE, &fMaxRenderTargetSize); | 307 GR_GL_GetIntegerv(gli, GR_GL_MAX_RENDERBUFFER_SIZE, &fMaxRenderTargetSize); |
305 // Our render targets are always created with textures as the color | 308 // Our render targets are always created with textures as the color |
306 // attachment, hence this min: | 309 // attachment, hence this min: |
307 fMaxRenderTargetSize = GrMin(fMaxTextureSize, fMaxRenderTargetSize); | 310 fMaxRenderTargetSize = GrMin(fMaxTextureSize, fMaxRenderTargetSize); |
308 | 311 |
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651 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); | 654 r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); |
652 r.appendf("Fragment coord conventions support: %s\n", | 655 r.appendf("Fragment coord conventions support: %s\n", |
653 (fFragCoordsConventionSupport ? "YES": "NO")); | 656 (fFragCoordsConventionSupport ? "YES": "NO")); |
654 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ?
"YES": "NO")); | 657 r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ?
"YES": "NO")); |
655 r.appendf("Use non-VBO for dynamic data: %s\n", | 658 r.appendf("Use non-VBO for dynamic data: %s\n", |
656 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); | 659 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); |
657 r.appendf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" :
"NO")); | 660 r.appendf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" :
"NO")); |
658 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO
")); | 661 r.appendf("Full screen clear is free: %s\n", (fFullClearIsFree ? "YES" : "NO
")); |
659 return r; | 662 return r; |
660 } | 663 } |
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