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

Issue 26342006: Move renderable config list to GrDrawTargetCaps (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: fix size_t/int comparison Created 7 years, 2 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 316 matching lines...) Expand 10 before | Expand all | Expand 10 after
327 ctxInfo.glslGeneration() >= k150_GrGLSLGenerati on; 327 ctxInfo.glslGeneration() >= k150_GrGLSLGenerati on;
328 } else { 328 } else {
329 fShaderDerivativeSupport = ctxInfo.hasExtension("GL_OES_standard_derivat ives"); 329 fShaderDerivativeSupport = ctxInfo.hasExtension("GL_OES_standard_derivat ives");
330 } 330 }
331 331
332 if (GrGLCaps::kES_IMG_MsToTexture_MSFBOType == fMSFBOType) { 332 if (GrGLCaps::kES_IMG_MsToTexture_MSFBOType == fMSFBOType) {
333 GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxSampleCount); 333 GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxSampleCount);
334 } else if (GrGLCaps::kNone_MSFBOType != fMSFBOType) { 334 } else if (GrGLCaps::kNone_MSFBOType != fMSFBOType) {
335 GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES, &fMaxSampleCount); 335 GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES, &fMaxSampleCount);
336 } 336 }
337
338 this->initConfigRenderableTable(ctxInfo);
339 }
340
341 void GrGLCaps::initConfigRenderableTable(const GrGLContextInfo& ctxInfo) {
342
343 // OpenGL < 3.0
344 // no support for render targets unless the GL_ARB_framebuffer_object
345 // extension is supported (in which case we get ALPHA, RED, RG, RGB,
346 // RGBA (ALPHA8, RGBA4, RGBA8) for OpenGL > 1.1). Note that we
347 // probably don't get R8 in this case.
348
349 // OpenGL 3.0
350 // base color renderable: ALPHA, RED, RG, RGB, and RGBA
351 // sized derivatives: ALPHA8, R8, RGBA4, RGBA8
352
353 // >= OpenGL 3.1
354 // base color renderable: RED, RG, RGB, and RGBA
355 // sized derivatives: R8, RGBA4, RGBA8
356 // if the GL_ARB_compatibility extension is supported then we get back
357 // support for GL_ALPHA and ALPHA8
358
359 // GL_EXT_bgra adds BGRA render targets to any version
360
361 // ES 2.0
362 // color renderable: RGBA4, RGB5_A1, RGB565
363 // GL_EXT_texture_rg adds support for R8 as a color render target
364 // GL_OES_rgb8_rgba8 and/or GL_ARM_rgba8 adds support for RGBA8
365 // GL_EXT_texture_format_BGRA8888 and/or GL_APPLE_texture_format_BGRA8888 a dded BGRA support
366
367 // ES 3.0
368 // Same as ES 2.0 except R8 and RGBA8 are supported without extensions (the functions called
369 // below already account for this).
370
371 if (kDesktop_GrGLBinding == ctxInfo.binding()) {
372 // Post 3.0 we will get R8
373 // Prior to 3.0 we will get ALPHA8 (with GL_ARB_framebuffer_object)
374 if (ctxInfo.version() >= GR_GL_VER(3,0) ||
375 ctxInfo.hasExtension("GL_ARB_framebuffer_object")) {
376 fConfigRenderSupport[kAlpha_8_GrPixelConfig] = true;
377 }
378 } else {
379 // On ES we can only hope for R8
380 fConfigRenderSupport[kAlpha_8_GrPixelConfig] = fTextureRedSupport;
381 }
382
383 if (kDesktop_GrGLBinding != ctxInfo.binding()) {
384 // only available in ES
385 fConfigRenderSupport[kRGB_565_GrPixelConfig] = true;
386 }
387
388 // we no longer support 444 as a render target
389 fConfigRenderSupport[kRGBA_4444_GrPixelConfig] = false;
390
391 if (this->fRGBA8RenderbufferSupport) {
392 fConfigRenderSupport[kRGBA_8888_GrPixelConfig] = true;
393 }
394
395 if (this->fBGRAFormatSupport) {
396 fConfigRenderSupport[kBGRA_8888_GrPixelConfig] = true;
397 }
337 } 398 }
338 399
339 bool GrGLCaps::readPixelsSupported(const GrGLInterface* intf, 400 bool GrGLCaps::readPixelsSupported(const GrGLInterface* intf,
340 GrGLenum format, 401 GrGLenum format,
341 GrGLenum type) const { 402 GrGLenum type) const {
342 if (GR_GL_RGBA == format && GR_GL_UNSIGNED_BYTE == type) { 403 if (GR_GL_RGBA == format && GR_GL_UNSIGNED_BYTE == type) {
343 // ES 2 guarantees this format is supported 404 // ES 2 guarantees this format is supported
344 return true; 405 return true;
345 } 406 }
346 407
(...skipping 216 matching lines...) Expand 10 before | Expand all | Expand 10 after
563 GrPrintf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO")); 624 GrPrintf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO"));
564 GrPrintf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO")); 625 GrPrintf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO"));
565 GrPrintf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); 626 GrPrintf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO"));
566 GrPrintf("Fragment coord conventions support: %s\n", 627 GrPrintf("Fragment coord conventions support: %s\n",
567 (fFragCoordsConventionSupport ? "YES": "NO")); 628 (fFragCoordsConventionSupport ? "YES": "NO"));
568 GrPrintf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? " YES": "NO")); 629 GrPrintf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? " YES": "NO"));
569 GrPrintf("Use non-VBO for dynamic data: %s\n", 630 GrPrintf("Use non-VBO for dynamic data: %s\n",
570 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); 631 (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO"));
571 GrPrintf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" : " NO")); 632 GrPrintf("Discard FrameBuffer support: %s\n", (fDiscardFBSupport ? "YES" : " NO"));
572 } 633 }
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