bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | |
| 9 | #include "GrGLCaps.h" |
joshualitt | b4384b9 | 2014-10-21 12:53:15 -0700 | [diff] [blame] | 10 | |
robertphillips@google.com | 6177e69 | 2013-02-28 20:16:25 +0000 | [diff] [blame] | 11 | #include "GrGLContext.h" |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 12 | #include "glsl/GrGLSLCaps.h" |
bsalomon@google.com | c9668ec | 2012-04-11 18:16:41 +0000 | [diff] [blame] | 13 | #include "SkTSearch.h" |
bsalomon@google.com | 20f7f17 | 2013-05-17 19:05:03 +0000 | [diff] [blame] | 14 | #include "SkTSort.h" |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 15 | |
bsalomon | 682c269 | 2015-05-22 14:01:46 -0700 | [diff] [blame] | 16 | GrGLCaps::GrGLCaps(const GrContextOptions& contextOptions, |
| 17 | const GrGLContextInfo& ctxInfo, |
| 18 | const GrGLInterface* glInterface) : INHERITED(contextOptions) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 19 | fVerifiedColorConfigs.reset(); |
| 20 | fStencilFormats.reset(); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 21 | fMSFBOType = kNone_MSFBOType; |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 22 | fInvalidateFBType = kNone_InvalidateFBType; |
krajcevski | 3217c4a | 2014-06-09 09:10:04 -0700 | [diff] [blame] | 23 | fLATCAlias = kLATC_LATCAlias; |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 24 | fMapBufferType = kNone_MapBufferType; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 25 | fMaxFragmentUniformVectors = 0; |
bsalomon@google.com | 60da417 | 2012-06-01 19:25:00 +0000 | [diff] [blame] | 26 | fMaxVertexAttributes = 0; |
commit-bot@chromium.org | a15f7e5 | 2013-06-05 23:29:25 +0000 | [diff] [blame] | 27 | fMaxFragmentTextureUnits = 0; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 28 | fRGBA8RenderbufferSupport = false; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 29 | fBGRAIsInternalFormat = false; |
| 30 | fTextureSwizzleSupport = false; |
| 31 | fUnpackRowLengthSupport = false; |
| 32 | fUnpackFlipYSupport = false; |
| 33 | fPackRowLengthSupport = false; |
| 34 | fPackFlipYSupport = false; |
| 35 | fTextureUsageSupport = false; |
| 36 | fTexStorageSupport = false; |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 37 | fTextureRedSupport = false; |
bsalomon@google.com | e76b7cc | 2012-06-18 12:47:06 +0000 | [diff] [blame] | 38 | fImagingSupport = false; |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 39 | fTwoFormatLimit = false; |
bsalomon@google.com | 706f668 | 2012-10-23 14:53:55 +0000 | [diff] [blame] | 40 | fFragCoordsConventionSupport = false; |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 41 | fVertexArrayObjectSupport = false; |
cdalton | 626e1ff | 2015-06-12 13:56:46 -0700 | [diff] [blame] | 42 | fInstancedDrawingSupport = false; |
| 43 | fDirectStateAccessSupport = false; |
| 44 | fDebugSupport = false; |
jvanverth | 3f801cb | 2014-12-16 09:49:38 -0800 | [diff] [blame] | 45 | fES2CompatibilitySupport = false; |
cdalton | 0edea2c | 2015-05-21 08:27:44 -0700 | [diff] [blame] | 46 | fMultisampleDisableSupport = false; |
bsalomon@google.com | 96966a5 | 2013-02-21 16:34:21 +0000 | [diff] [blame] | 47 | fUseNonVBOVertexAndIndexDynamicData = false; |
bsalomon@google.com | 2b1b8c0 | 2013-02-28 22:06:02 +0000 | [diff] [blame] | 48 | fIsCoreProfile = false; |
joshualitt | c1f56b5 | 2015-06-22 12:31:31 -0700 | [diff] [blame] | 49 | fBindFragDataLocationSupport = false; |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 50 | fSRGBWriteControl = false; |
bsalomon | 88c7b98 | 2015-07-31 11:20:16 -0700 | [diff] [blame] | 51 | fRGBA8888PixelsOpsAreSlow = false; |
| 52 | fPartialFBOReadIsSlow = false; |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 53 | |
| 54 | fReadPixelsSupportedCache.reset(); |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 55 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 56 | fShaderCaps.reset(new GrGLSLCaps(contextOptions)); |
bsalomon | 4ee6bd8 | 2015-05-27 13:23:23 -0700 | [diff] [blame] | 57 | |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 58 | this->init(contextOptions, ctxInfo, glInterface); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 59 | } |
| 60 | |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 61 | void GrGLCaps::init(const GrContextOptions& contextOptions, |
| 62 | const GrGLContextInfo& ctxInfo, |
| 63 | const GrGLInterface* gli) { |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 64 | GrGLStandard standard = ctxInfo.standard(); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 65 | GrGLVersion version = ctxInfo.version(); |
| 66 | |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 67 | /************************************************************************** |
| 68 | * Caps specific to GrGLCaps |
| 69 | **************************************************************************/ |
| 70 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 71 | if (kGLES_GrGLStandard == standard) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 72 | GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS, |
| 73 | &fMaxFragmentUniformVectors); |
| 74 | } else { |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 75 | SkASSERT(kGL_GrGLStandard == standard); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 76 | GrGLint max; |
| 77 | GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, &max); |
| 78 | fMaxFragmentUniformVectors = max / 4; |
commit-bot@chromium.org | 46fbfe0 | 2013-08-30 15:52:12 +0000 | [diff] [blame] | 79 | if (version >= GR_GL_VER(3, 2)) { |
| 80 | GrGLint profileMask; |
| 81 | GR_GL_GetIntegerv(gli, GR_GL_CONTEXT_PROFILE_MASK, &profileMask); |
| 82 | fIsCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT); |
| 83 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 84 | } |
bsalomon@google.com | 60da417 | 2012-06-01 19:25:00 +0000 | [diff] [blame] | 85 | GR_GL_GetIntegerv(gli, GR_GL_MAX_VERTEX_ATTRIBS, &fMaxVertexAttributes); |
commit-bot@chromium.org | a15f7e5 | 2013-06-05 23:29:25 +0000 | [diff] [blame] | 86 | GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_IMAGE_UNITS, &fMaxFragmentTextureUnits); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 87 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 88 | if (kGL_GrGLStandard == standard) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 89 | fRGBA8RenderbufferSupport = true; |
| 90 | } else { |
commit-bot@chromium.org | c5dffe4 | 2013-08-20 15:25:21 +0000 | [diff] [blame] | 91 | fRGBA8RenderbufferSupport = version >= GR_GL_VER(3,0) || |
| 92 | ctxInfo.hasExtension("GL_OES_rgb8_rgba8") || |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 93 | ctxInfo.hasExtension("GL_ARM_rgba8"); |
| 94 | } |
| 95 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 96 | if (kGL_GrGLStandard == standard) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 97 | fTextureSwizzleSupport = version >= GR_GL_VER(3,3) || |
| 98 | ctxInfo.hasExtension("GL_ARB_texture_swizzle"); |
| 99 | } else { |
commit-bot@chromium.org | 6364b5e | 2013-08-20 20:22:52 +0000 | [diff] [blame] | 100 | fTextureSwizzleSupport = version >= GR_GL_VER(3,0); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 101 | } |
| 102 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 103 | if (kGL_GrGLStandard == standard) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 104 | fUnpackRowLengthSupport = true; |
| 105 | fUnpackFlipYSupport = false; |
| 106 | fPackRowLengthSupport = true; |
| 107 | fPackFlipYSupport = false; |
| 108 | } else { |
commit-bot@chromium.org | dc3134c | 2013-08-16 16:12:23 +0000 | [diff] [blame] | 109 | fUnpackRowLengthSupport = version >= GR_GL_VER(3,0) || |
| 110 | ctxInfo.hasExtension("GL_EXT_unpack_subimage"); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 111 | fUnpackFlipYSupport = ctxInfo.hasExtension("GL_CHROMIUM_flipy"); |
commit-bot@chromium.org | dc3134c | 2013-08-16 16:12:23 +0000 | [diff] [blame] | 112 | fPackRowLengthSupport = version >= GR_GL_VER(3,0) || |
| 113 | ctxInfo.hasExtension("GL_NV_pack_subimage"); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 114 | fPackFlipYSupport = |
| 115 | ctxInfo.hasExtension("GL_ANGLE_pack_reverse_row_order"); |
| 116 | } |
| 117 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 118 | fTextureUsageSupport = (kGLES_GrGLStandard == standard) && |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 119 | ctxInfo.hasExtension("GL_ANGLE_texture_usage"); |
| 120 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 121 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 7a434a2 | 2013-08-21 14:01:56 +0000 | [diff] [blame] | 122 | // The EXT version can apply to either GL or GLES. |
| 123 | fTexStorageSupport = version >= GR_GL_VER(4,2) || |
| 124 | ctxInfo.hasExtension("GL_ARB_texture_storage") || |
| 125 | ctxInfo.hasExtension("GL_EXT_texture_storage"); |
| 126 | } else { |
| 127 | // Qualcomm Adreno drivers appear to have issues with texture storage. |
| 128 | fTexStorageSupport = (version >= GR_GL_VER(3,0) && |
| 129 | kQualcomm_GrGLVendor != ctxInfo.vendor()) || |
| 130 | ctxInfo.hasExtension("GL_EXT_texture_storage"); |
| 131 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 132 | |
cdalton | fd4167d | 2015-04-21 11:45:56 -0700 | [diff] [blame] | 133 | if (kGL_GrGLStandard == standard) { |
| 134 | fTextureBarrierSupport = version >= GR_GL_VER(4,5) || |
| 135 | ctxInfo.hasExtension("GL_ARB_texture_barrier") || |
| 136 | ctxInfo.hasExtension("GL_NV_texture_barrier"); |
| 137 | } else { |
| 138 | fTextureBarrierSupport = ctxInfo.hasExtension("GL_NV_texture_barrier"); |
| 139 | } |
| 140 | |
hendrikw | a0d5ad7 | 2014-12-02 07:30:30 -0800 | [diff] [blame] | 141 | // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support GL_RED |
| 142 | // and GL_RG on FBO textures. |
cdalton | 1acea86 | 2015-06-02 13:05:52 -0700 | [diff] [blame] | 143 | if (kMesa_GrGLDriver != ctxInfo.driver()) { |
hendrikw | a0d5ad7 | 2014-12-02 07:30:30 -0800 | [diff] [blame] | 144 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 459104c | 2013-06-14 14:42:56 +0000 | [diff] [blame] | 145 | fTextureRedSupport = version >= GR_GL_VER(3,0) || |
| 146 | ctxInfo.hasExtension("GL_ARB_texture_rg"); |
hendrikw | a0d5ad7 | 2014-12-02 07:30:30 -0800 | [diff] [blame] | 147 | } else { |
| 148 | fTextureRedSupport = version >= GR_GL_VER(3,0) || |
| 149 | ctxInfo.hasExtension("GL_EXT_texture_rg"); |
commit-bot@chromium.org | 459104c | 2013-06-14 14:42:56 +0000 | [diff] [blame] | 150 | } |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 151 | } |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 152 | fImagingSupport = kGL_GrGLStandard == standard && |
bsalomon@google.com | e76b7cc | 2012-06-18 12:47:06 +0000 | [diff] [blame] | 153 | ctxInfo.hasExtension("GL_ARB_imaging"); |
| 154 | |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 155 | // ES 2 only guarantees RGBA/uchar + one other format/type combo for |
| 156 | // ReadPixels. The other format has to checked at run-time since it |
| 157 | // can change based on which render target is bound |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 158 | fTwoFormatLimit = kGLES_GrGLStandard == standard; |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 159 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 160 | // We only enable srgb support if both textures and FBOs support srgb. |
| 161 | bool srgbSupport = false; |
| 162 | if (kGL_GrGLStandard == standard) { |
| 163 | if (ctxInfo.version() >= GR_GL_VER(3,0)) { |
| 164 | srgbSupport = true; |
| 165 | } else if (ctxInfo.hasExtension("GL_EXT_texture_sRGB")) { |
| 166 | if (ctxInfo.hasExtension("GL_ARB_framebuffer_sRGB") || |
| 167 | ctxInfo.hasExtension("GL_EXT_framebuffer_sRGB")) { |
| 168 | srgbSupport = true; |
| 169 | } |
| 170 | } |
| 171 | // All the above srgb extensions support toggling srgb writes |
| 172 | fSRGBWriteControl = srgbSupport; |
| 173 | } else { |
bsalomon | 58b4395 | 2015-07-30 16:27:50 -0700 | [diff] [blame] | 174 | // See http://skbug.com/4148 for PowerVR issue. |
| 175 | srgbSupport = kPowerVRRogue_GrGLRenderer != ctxInfo.renderer() && |
| 176 | (ctxInfo.version() >= GR_GL_VER(3,0) || ctxInfo.hasExtension("GL_EXT_sRGB")); |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 177 | // ES through 3.1 requires EXT_srgb_write_control to support toggling |
| 178 | // sRGB writing for destinations. |
| 179 | fSRGBWriteControl = ctxInfo.hasExtension("GL_EXT_sRGB_write_control"); |
| 180 | } |
| 181 | |
rmistry | 63a9f84 | 2014-10-17 06:07:08 -0700 | [diff] [blame] | 182 | // Frag Coords Convention support is not part of ES |
bsalomon@google.com | 706f668 | 2012-10-23 14:53:55 +0000 | [diff] [blame] | 183 | // Known issue on at least some Intel platforms: |
| 184 | // http://code.google.com/p/skia/issues/detail?id=946 |
rmistry | 63a9f84 | 2014-10-17 06:07:08 -0700 | [diff] [blame] | 185 | if (kIntel_GrGLVendor != ctxInfo.vendor() && kGLES_GrGLStandard != standard) { |
bsalomon@google.com | 706f668 | 2012-10-23 14:53:55 +0000 | [diff] [blame] | 186 | fFragCoordsConventionSupport = ctxInfo.glslGeneration() >= k150_GrGLSLGeneration || |
| 187 | ctxInfo.hasExtension("GL_ARB_fragment_coord_conventions"); |
| 188 | } |
| 189 | |
bsalomon@google.com | 3012ded | 2013-02-22 16:44:04 +0000 | [diff] [blame] | 190 | // SGX and Mali GPUs that are based on a tiled-deferred architecture that have trouble with |
| 191 | // frequently changing VBOs. We've measured a performance increase using non-VBO vertex |
| 192 | // data for dynamic content on these GPUs. Perhaps we should read the renderer string and |
| 193 | // limit this decision to specific GPU families rather than basing it on the vendor alone. |
| 194 | if (!GR_GL_MUST_USE_VBO && |
bsalomon | ed82c4e | 2014-09-02 07:54:47 -0700 | [diff] [blame] | 195 | (kARM_GrGLVendor == ctxInfo.vendor() || |
| 196 | kImagination_GrGLVendor == ctxInfo.vendor() || |
| 197 | kQualcomm_GrGLVendor == ctxInfo.vendor())) { |
bsalomon@google.com | 96966a5 | 2013-02-21 16:34:21 +0000 | [diff] [blame] | 198 | fUseNonVBOVertexAndIndexDynamicData = true; |
| 199 | } |
skia.committer@gmail.com | 631cdcb | 2013-03-01 12:12:55 +0000 | [diff] [blame] | 200 | |
egdaniel | 9250d24 | 2015-05-18 13:04:26 -0700 | [diff] [blame] | 201 | // A driver but on the nexus 6 causes incorrect dst copies when invalidate is called beforehand. |
| 202 | // Thus we are blacklisting this extension for now on Adreno4xx devices. |
| 203 | if (kAdreno4xx_GrGLRenderer != ctxInfo.renderer() && |
| 204 | ((kGL_GrGLStandard == standard && version >= GR_GL_VER(4,3)) || |
| 205 | (kGLES_GrGLStandard == standard && version >= GR_GL_VER(3,0)) || |
| 206 | ctxInfo.hasExtension("GL_ARB_invalidate_subdata"))) { |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 207 | fDiscardRenderTargetSupport = true; |
| 208 | fInvalidateFBType = kInvalidate_InvalidateFBType; |
| 209 | } else if (ctxInfo.hasExtension("GL_EXT_discard_framebuffer")) { |
| 210 | fDiscardRenderTargetSupport = true; |
| 211 | fInvalidateFBType = kDiscard_InvalidateFBType; |
| 212 | } |
robertphillips@google.com | a6ffb58 | 2013-04-29 16:50:17 +0000 | [diff] [blame] | 213 | |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 214 | if (kARM_GrGLVendor == ctxInfo.vendor() || kImagination_GrGLVendor == ctxInfo.vendor()) { |
| 215 | fFullClearIsFree = true; |
| 216 | } |
| 217 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 218 | if (kGL_GrGLStandard == standard) { |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 219 | fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || |
tomhudson | 612e926 | 2014-11-24 11:22:36 -0800 | [diff] [blame] | 220 | ctxInfo.hasExtension("GL_ARB_vertex_array_object") || |
| 221 | ctxInfo.hasExtension("GL_APPLE_vertex_array_object"); |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 222 | } else { |
commit-bot@chromium.org | 2276c01 | 2013-08-16 15:53:33 +0000 | [diff] [blame] | 223 | fVertexArrayObjectSupport = version >= GR_GL_VER(3, 0) || |
| 224 | ctxInfo.hasExtension("GL_OES_vertex_array_object"); |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 225 | } |
| 226 | |
cdalton | 626e1ff | 2015-06-12 13:56:46 -0700 | [diff] [blame] | 227 | if ((kGL_GrGLStandard == standard && version >= GR_GL_VER(3,2)) || |
| 228 | (kGLES_GrGLStandard == standard && version >= GR_GL_VER(3,0))) { |
| 229 | fInstancedDrawingSupport = true; |
| 230 | } else { |
| 231 | fInstancedDrawingSupport = (ctxInfo.hasExtension("GL_ARB_draw_instanced") || |
| 232 | ctxInfo.hasExtension("GL_EXT_draw_instanced")) && |
| 233 | (ctxInfo.hasExtension("GL_ARB_instanced_arrays") || |
| 234 | ctxInfo.hasExtension("GL_EXT_instanced_arrays")); |
| 235 | } |
| 236 | |
| 237 | if (kGL_GrGLStandard == standard) { |
| 238 | fDirectStateAccessSupport = ctxInfo.hasExtension("GL_EXT_direct_state_access"); |
| 239 | } else { |
| 240 | fDirectStateAccessSupport = false; |
| 241 | } |
| 242 | |
| 243 | if (kGL_GrGLStandard == standard && version >= GR_GL_VER(4,3)) { |
| 244 | fDebugSupport = true; |
| 245 | } else { |
| 246 | fDebugSupport = ctxInfo.hasExtension("GL_KHR_debug"); |
| 247 | } |
| 248 | |
jvanverth | 3f801cb | 2014-12-16 09:49:38 -0800 | [diff] [blame] | 249 | if (kGL_GrGLStandard == standard) { |
| 250 | fES2CompatibilitySupport = ctxInfo.hasExtension("GL_ARB_ES2_compatibility"); |
| 251 | } |
| 252 | else { |
| 253 | fES2CompatibilitySupport = true; |
| 254 | } |
| 255 | |
cdalton | 0edea2c | 2015-05-21 08:27:44 -0700 | [diff] [blame] | 256 | if (kGL_GrGLStandard == standard) { |
| 257 | fMultisampleDisableSupport = true; |
| 258 | } else { |
kkinnunen | bf49e46 | 2015-07-30 22:43:52 -0700 | [diff] [blame] | 259 | fMultisampleDisableSupport = ctxInfo.hasExtension("GL_EXT_multisample_compatibility"); |
cdalton | 0edea2c | 2015-05-21 08:27:44 -0700 | [diff] [blame] | 260 | } |
| 261 | |
kkinnunen | d94708e | 2015-07-30 22:47:04 -0700 | [diff] [blame] | 262 | if (kGL_GrGLStandard == standard) { |
| 263 | if (version >= GR_GL_VER(3, 0)) { |
| 264 | fBindFragDataLocationSupport = true; |
| 265 | } |
| 266 | } else { |
| 267 | if (version >= GR_GL_VER(3, 0) && ctxInfo.hasExtension("GL_EXT_blend_func_extended")) { |
| 268 | fBindFragDataLocationSupport = true; |
| 269 | } |
joshualitt | c1f56b5 | 2015-06-22 12:31:31 -0700 | [diff] [blame] | 270 | } |
| 271 | |
joshualitt | 7bdd70a | 2015-10-01 06:28:11 -0700 | [diff] [blame] | 272 | fBindUniformLocationSupport = ctxInfo.hasExtension("GL_CHROMIUM_bind_uniform_location"); |
| 273 | |
bsalomon | 88c7b98 | 2015-07-31 11:20:16 -0700 | [diff] [blame] | 274 | #ifdef SK_BUILD_FOR_WIN |
| 275 | // We're assuming that on Windows Chromium we're using ANGLE. |
| 276 | bool isANGLE = kANGLE_GrGLDriver == ctxInfo.driver() || |
| 277 | kChromium_GrGLDriver == ctxInfo.driver(); |
| 278 | // Angle has slow read/write pixel paths for 32bit RGBA (but fast for BGRA). |
| 279 | fRGBA8888PixelsOpsAreSlow = isANGLE; |
| 280 | // On DX9 ANGLE reading a partial FBO is slow. TODO: Check whether this is still true and |
| 281 | // check DX11 ANGLE. |
| 282 | fPartialFBOReadIsSlow = isANGLE; |
| 283 | #endif |
| 284 | |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 285 | /************************************************************************** |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 286 | * GrCaps fields |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 287 | **************************************************************************/ |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 288 | |
| 289 | this->initFSAASupport(ctxInfo, gli); |
cdalton | 1dd0542 | 2015-06-12 09:01:18 -0700 | [diff] [blame] | 290 | this->initBlendEqationSupport(ctxInfo); |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 291 | this->initStencilFormats(ctxInfo); |
| 292 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 293 | if (kGL_GrGLStandard == standard) { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 294 | // we could also look for GL_ATI_separate_stencil extension or |
| 295 | // GL_EXT_stencil_two_side but they use different function signatures |
| 296 | // than GL2.0+ (and than each other). |
| 297 | fTwoSidedStencilSupport = (ctxInfo.version() >= GR_GL_VER(2,0)); |
| 298 | // supported on GL 1.4 and higher or by extension |
| 299 | fStencilWrapOpsSupport = (ctxInfo.version() >= GR_GL_VER(1,4)) || |
| 300 | ctxInfo.hasExtension("GL_EXT_stencil_wrap"); |
| 301 | } else { |
| 302 | // ES 2 has two sided stencil and stencil wrap |
| 303 | fTwoSidedStencilSupport = true; |
| 304 | fStencilWrapOpsSupport = true; |
| 305 | } |
| 306 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 307 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 308 | fMapBufferFlags = kCanMap_MapFlag; // we require VBO support and the desktop VBO |
| 309 | // extension includes glMapBuffer. |
| 310 | if (version >= GR_GL_VER(3, 0) || ctxInfo.hasExtension("GL_ARB_map_buffer_range")) { |
| 311 | fMapBufferFlags |= kSubset_MapFlag; |
| 312 | fMapBufferType = kMapBufferRange_MapBufferType; |
| 313 | } else { |
| 314 | fMapBufferType = kMapBuffer_MapBufferType; |
| 315 | } |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 316 | } else { |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 317 | // Unextended GLES2 doesn't have any buffer mapping. |
| 318 | fMapBufferFlags = kNone_MapBufferType; |
| 319 | if (ctxInfo.hasExtension("GL_CHROMIUM_map_sub")) { |
| 320 | fMapBufferFlags = kCanMap_MapFlag | kSubset_MapFlag; |
| 321 | fMapBufferType = kChromium_MapBufferType; |
| 322 | } else if (version >= GR_GL_VER(3, 0) || ctxInfo.hasExtension("GL_EXT_map_buffer_range")) { |
| 323 | fMapBufferFlags = kCanMap_MapFlag | kSubset_MapFlag; |
| 324 | fMapBufferType = kMapBufferRange_MapBufferType; |
| 325 | } else if (ctxInfo.hasExtension("GL_OES_mapbuffer")) { |
| 326 | fMapBufferFlags = kCanMap_MapFlag; |
| 327 | fMapBufferType = kMapBuffer_MapBufferType; |
| 328 | } |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 329 | } |
| 330 | |
joshualitt | e5b74c6 | 2015-06-01 14:17:47 -0700 | [diff] [blame] | 331 | // On many GPUs, map memory is very expensive, so we effectively disable it here by setting the |
| 332 | // threshold to the maximum unless the client gives us a hint that map memory is cheap. |
| 333 | if (fGeometryBufferMapThreshold < 0) { |
bsalomon | bc23375 | 2015-06-26 11:38:25 -0700 | [diff] [blame] | 334 | // We think mapping on Chromium will be cheaper once we know ahead of time how much space |
| 335 | // we will use for all GrBatchs. Right now we might wind up mapping a large buffer and using |
| 336 | // a small subset. |
| 337 | #if 0 |
cdalton | 1acea86 | 2015-06-02 13:05:52 -0700 | [diff] [blame] | 338 | fGeometryBufferMapThreshold = kChromium_GrGLDriver == ctxInfo.driver() ? 0 : SK_MaxS32; |
bsalomon | bc23375 | 2015-06-26 11:38:25 -0700 | [diff] [blame] | 339 | #else |
| 340 | fGeometryBufferMapThreshold = SK_MaxS32; |
| 341 | #endif |
joshualitt | e5b74c6 | 2015-06-01 14:17:47 -0700 | [diff] [blame] | 342 | } |
| 343 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 344 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 4744231 | 2013-12-19 16:18:01 +0000 | [diff] [blame] | 345 | SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || |
| 346 | ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); |
| 347 | fNPOTTextureTileSupport = true; |
| 348 | fMipMapSupport = true; |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 349 | } else { |
| 350 | // Unextended ES2 supports NPOT textures with clamp_to_edge and non-mip filters only |
commit-bot@chromium.org | 22dd6b9 | 2013-08-16 18:13:48 +0000 | [diff] [blame] | 351 | // ES3 has no limitations. |
| 352 | fNPOTTextureTileSupport = ctxInfo.version() >= GR_GL_VER(3,0) || |
| 353 | ctxInfo.hasExtension("GL_OES_texture_npot"); |
commit-bot@chromium.org | 4744231 | 2013-12-19 16:18:01 +0000 | [diff] [blame] | 354 | // ES2 supports MIP mapping for POT textures but our caps don't allow for limited MIP |
| 355 | // support. The OES extension or ES 3.0 allow for MIPS on NPOT textures. So, apparently, |
| 356 | // does the undocumented GL_IMG_texture_npot extension. This extension does not seem to |
| 357 | // to alllow arbitrary wrap modes, however. |
| 358 | fMipMapSupport = fNPOTTextureTileSupport || ctxInfo.hasExtension("GL_IMG_texture_npot"); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 359 | } |
| 360 | |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 361 | GR_GL_GetIntegerv(gli, GR_GL_MAX_TEXTURE_SIZE, &fMaxTextureSize); |
| 362 | GR_GL_GetIntegerv(gli, GR_GL_MAX_RENDERBUFFER_SIZE, &fMaxRenderTargetSize); |
| 363 | // Our render targets are always created with textures as the color |
| 364 | // attachment, hence this min: |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 365 | fMaxRenderTargetSize = SkTMin(fMaxTextureSize, fMaxRenderTargetSize); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 366 | |
bsalomon | c59a1df | 2015-06-01 07:13:42 -0700 | [diff] [blame] | 367 | // This GPU seems to have problems when tiling small textures |
| 368 | if (kPowerVR54x_GrGLRenderer == ctxInfo.renderer()) { |
| 369 | fMinTextureSize = 16; |
| 370 | } |
| 371 | |
commit-bot@chromium.org | a3baf3b | 2014-02-21 18:45:30 +0000 | [diff] [blame] | 372 | fGpuTracingSupport = ctxInfo.hasExtension("GL_EXT_debug_marker"); |
| 373 | |
robertphillips@google.com | 8995b7b | 2013-11-01 15:03:34 +0000 | [diff] [blame] | 374 | // Disable scratch texture reuse on Mali and Adreno devices |
| 375 | fReuseScratchTextures = kARM_GrGLVendor != ctxInfo.vendor() && |
| 376 | kQualcomm_GrGLVendor != ctxInfo.vendor(); |
commit-bot@chromium.org | b835652 | 2013-07-18 22:26:39 +0000 | [diff] [blame] | 377 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 378 | #if 0 |
| 379 | fReuseScratchBuffers = kARM_GrGLVendor != ctxInfo.vendor() && |
| 380 | kQualcomm_GrGLVendor != ctxInfo.vendor(); |
| 381 | #endif |
| 382 | |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 383 | if (GrGLCaps::kES_IMG_MsToTexture_MSFBOType == fMSFBOType) { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 384 | GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxSampleCount); |
| 385 | } else if (GrGLCaps::kNone_MSFBOType != fMSFBOType) { |
| 386 | GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES, &fMaxSampleCount); |
| 387 | } |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 388 | |
bsalomon | 63b2196 | 2014-11-05 07:05:34 -0800 | [diff] [blame] | 389 | if (kPowerVR54x_GrGLRenderer == ctxInfo.renderer() || |
bsalomon | e702d97 | 2015-01-29 10:07:32 -0800 | [diff] [blame] | 390 | kPowerVRRogue_GrGLRenderer == ctxInfo.renderer() || |
bsalomon | a8fcea0 | 2015-02-13 09:00:39 -0800 | [diff] [blame] | 391 | kAdreno3xx_GrGLRenderer == ctxInfo.renderer()) { |
bsalomon | 63b2196 | 2014-11-05 07:05:34 -0800 | [diff] [blame] | 392 | fUseDrawInsteadOfClear = true; |
| 393 | } |
| 394 | |
joshualitt | 83bc229 | 2015-06-18 14:18:02 -0700 | [diff] [blame] | 395 | if (kAdreno4xx_GrGLRenderer == ctxInfo.renderer()) { |
| 396 | fUseDrawInsteadOfPartialRenderTargetWrite = true; |
| 397 | } |
| 398 | |
robertphillips | 6392668 | 2015-08-20 09:39:02 -0700 | [diff] [blame] | 399 | #ifdef SK_BUILD_FOR_WIN |
| 400 | // On ANGLE deferring flushes can lead to GPU starvation |
| 401 | fPreferVRAMUseOverFlushes = !isANGLE; |
| 402 | #endif |
| 403 | |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 404 | if (kChromium_GrGLDriver == ctxInfo.driver()) { |
| 405 | fMustClearUploadedBufferData = true; |
| 406 | } |
| 407 | |
bsalomon | d08ea5f | 2015-02-20 06:58:13 -0800 | [diff] [blame] | 408 | if (kGL_GrGLStandard == standard) { |
| 409 | // ARB allows mixed size FBO attachments, EXT does not. |
| 410 | if (ctxInfo.version() >= GR_GL_VER(3, 0) || |
| 411 | ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { |
| 412 | fOversizedStencilSupport = true; |
| 413 | } else { |
| 414 | SkASSERT(ctxInfo.hasExtension("GL_EXT_framebuffer_object")); |
| 415 | } |
| 416 | } else { |
| 417 | // ES 3.0 supports mixed size FBO attachments, 2.0 does not. |
| 418 | fOversizedStencilSupport = ctxInfo.version() >= GR_GL_VER(3, 0); |
| 419 | } |
| 420 | |
joshualitt | 5800155 | 2015-06-26 12:46:36 -0700 | [diff] [blame] | 421 | if (kGL_GrGLStandard == standard) { |
| 422 | // 3.1 has draw_instanced but not instanced_arrays, for the time being we only care about |
| 423 | // instanced arrays, but we could make this more granular if we wanted |
| 424 | fSupportsInstancedDraws = |
| 425 | version >= GR_GL_VER(3, 2) || |
| 426 | (ctxInfo.hasExtension("GL_ARB_draw_instanced") && |
| 427 | ctxInfo.hasExtension("GL_ARB_instanced_arrays")); |
| 428 | } else { |
| 429 | fSupportsInstancedDraws = |
| 430 | version >= GR_GL_VER(3, 0) || |
| 431 | (ctxInfo.hasExtension("GL_EXT_draw_instanced") && |
| 432 | ctxInfo.hasExtension("GL_EXT_instanced_arrays")); |
| 433 | } |
| 434 | |
egdaniel | 472d44e | 2015-10-22 08:20:00 -0700 | [diff] [blame^] | 435 | // Must init GLSLCaps after setting GLCaps |
| 436 | this->initGLSL(contextOptions, ctxInfo, gli); |
| 437 | GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
| 438 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 439 | this->initConfigTexturableTable(ctxInfo, gli, srgbSupport); |
| 440 | this->initConfigRenderableTable(ctxInfo, srgbSupport); |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 441 | this->initShaderPrecisionTable(ctxInfo, gli, glslCaps); |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 442 | |
| 443 | this->applyOptionsOverrides(contextOptions); |
| 444 | glslCaps->applyOptionsOverrides(contextOptions); |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 445 | } |
| 446 | |
egdaniel | 472d44e | 2015-10-22 08:20:00 -0700 | [diff] [blame^] | 447 | const char* get_glsl_version_decl_string(GrGLStandard standard, GrGLSLGeneration generation, |
| 448 | bool isCoreProfile) { |
| 449 | switch (generation) { |
| 450 | case k110_GrGLSLGeneration: |
| 451 | if (kGLES_GrGLStandard == standard) { |
| 452 | // ES2s shader language is based on version 1.20 but is version |
| 453 | // 1.00 of the ES language. |
| 454 | return "#version 100\n"; |
| 455 | } else { |
| 456 | SkASSERT(kGL_GrGLStandard == standard); |
| 457 | return "#version 110\n"; |
| 458 | } |
| 459 | case k130_GrGLSLGeneration: |
| 460 | SkASSERT(kGL_GrGLStandard == standard); |
| 461 | return "#version 130\n"; |
| 462 | case k140_GrGLSLGeneration: |
| 463 | SkASSERT(kGL_GrGLStandard == standard); |
| 464 | return "#version 140\n"; |
| 465 | case k150_GrGLSLGeneration: |
| 466 | SkASSERT(kGL_GrGLStandard == standard); |
| 467 | if (isCoreProfile) { |
| 468 | return "#version 150\n"; |
| 469 | } else { |
| 470 | return "#version 150 compatibility\n"; |
| 471 | } |
| 472 | case k330_GrGLSLGeneration: |
| 473 | if (kGLES_GrGLStandard == standard) { |
| 474 | return "#version 300 es\n"; |
| 475 | } else { |
| 476 | SkASSERT(kGL_GrGLStandard == standard); |
| 477 | if (isCoreProfile) { |
| 478 | return "#version 330\n"; |
| 479 | } else { |
| 480 | return "#version 330 compatibility\n"; |
| 481 | } |
| 482 | } |
| 483 | case k310es_GrGLSLGeneration: |
| 484 | SkASSERT(kGLES_GrGLStandard == standard); |
| 485 | return "#version 310 es\n"; |
| 486 | } |
| 487 | return "<no version>"; |
| 488 | } |
| 489 | |
| 490 | void GrGLCaps::initGLSL(const GrContextOptions& contextOptions, |
| 491 | const GrGLContextInfo& ctxInfo, |
| 492 | const GrGLInterface* gli) { |
| 493 | GrGLStandard standard = ctxInfo.standard(); |
| 494 | GrGLVersion version = ctxInfo.version(); |
| 495 | |
| 496 | /************************************************************************** |
| 497 | * Caps specific to GrGLSLCaps |
| 498 | **************************************************************************/ |
| 499 | |
| 500 | GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
| 501 | glslCaps->fGLSLGeneration = ctxInfo.glslGeneration(); |
| 502 | |
| 503 | if (kGLES_GrGLStandard == standard) { |
| 504 | if (ctxInfo.hasExtension("GL_EXT_shader_framebuffer_fetch")) { |
| 505 | glslCaps->fFBFetchNeedsCustomOutput = (version >= GR_GL_VER(3, 0)); |
| 506 | glslCaps->fFBFetchSupport = true; |
| 507 | glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
| 508 | glslCaps->fFBFetchExtensionString = "GL_EXT_shader_framebuffer_fetch"; |
| 509 | } |
| 510 | else if (ctxInfo.hasExtension("GL_NV_shader_framebuffer_fetch")) { |
| 511 | // Actually, we haven't seen an ES3.0 device with this extension yet, so we don't know |
| 512 | glslCaps->fFBFetchNeedsCustomOutput = false; |
| 513 | glslCaps->fFBFetchSupport = true; |
| 514 | glslCaps->fFBFetchColorName = "gl_LastFragData[0]"; |
| 515 | glslCaps->fFBFetchExtensionString = "GL_NV_shader_framebuffer_fetch"; |
| 516 | } |
| 517 | else if (ctxInfo.hasExtension("GL_ARM_shader_framebuffer_fetch")) { |
| 518 | // The arm extension also requires an additional flag which we will set onResetContext |
| 519 | glslCaps->fFBFetchNeedsCustomOutput = false; |
| 520 | glslCaps->fFBFetchSupport = true; |
| 521 | glslCaps->fFBFetchColorName = "gl_LastFragColorARM"; |
| 522 | glslCaps->fFBFetchExtensionString = "GL_ARM_shader_framebuffer_fetch"; |
| 523 | } |
| 524 | glslCaps->fUsesPrecisionModifiers = true; |
| 525 | } |
| 526 | |
| 527 | glslCaps->fBindlessTextureSupport = ctxInfo.hasExtension("GL_NV_bindless_texture"); |
| 528 | |
| 529 | // Adreno GPUs have a tendency to drop tiles when there is a divide-by-zero in a shader |
| 530 | glslCaps->fDropsTileOnZeroDivide = kQualcomm_GrGLVendor == ctxInfo.vendor(); |
| 531 | |
| 532 | // On the NexusS and GalaxyNexus, the use of 'any' causes the compilation error "Calls to any |
| 533 | // function that may require a gradient calculation inside a conditional block may return |
| 534 | // undefined results". This appears to be an issue with the 'any' call since even the simple |
| 535 | // "result=black; if (any()) result=white;" code fails to compile. This issue comes into play |
| 536 | // from our GrTextureDomain processor. |
| 537 | glslCaps->fCanUseAnyFunctionInShader = kImagination_GrGLVendor != ctxInfo.vendor(); |
| 538 | |
| 539 | glslCaps->fForceHighPrecisionNDSTransform = kARM_GrGLVendor != ctxInfo.vendor(); |
| 540 | |
| 541 | glslCaps->fVersionDeclString = get_glsl_version_decl_string(standard, glslCaps->fGLSLGeneration, |
| 542 | fIsCoreProfile); |
| 543 | |
| 544 | /************************************************************************** |
| 545 | * GrShaderCaps fields |
| 546 | **************************************************************************/ |
| 547 | |
| 548 | glslCaps->fPathRenderingSupport = this->hasPathRenderingSupport(ctxInfo, gli); |
| 549 | |
| 550 | // For now these two are equivalent but we could have dst read in shader via some other method |
| 551 | glslCaps->fDstReadInShaderSupport = glslCaps->fFBFetchSupport; |
| 552 | |
| 553 | // Enable supported shader-related caps |
| 554 | if (kGL_GrGLStandard == standard) { |
| 555 | glslCaps->fDualSourceBlendingSupport = (ctxInfo.version() >= GR_GL_VER(3, 3) || |
| 556 | ctxInfo.hasExtension("GL_ARB_blend_func_extended")) && |
| 557 | GrGLSLSupportsNamedFragmentShaderOutputs(ctxInfo.glslGeneration()); |
| 558 | glslCaps->fShaderDerivativeSupport = true; |
| 559 | // we don't support GL_ARB_geometry_shader4, just GL 3.2+ GS |
| 560 | glslCaps->fGeometryShaderSupport = ctxInfo.version() >= GR_GL_VER(3, 2) && |
| 561 | ctxInfo.glslGeneration() >= k150_GrGLSLGeneration; |
| 562 | } |
| 563 | else { |
| 564 | glslCaps->fDualSourceBlendingSupport = ctxInfo.hasExtension("GL_EXT_blend_func_extended"); |
| 565 | |
| 566 | glslCaps->fShaderDerivativeSupport = ctxInfo.version() >= GR_GL_VER(3, 0) || |
| 567 | ctxInfo.hasExtension("GL_OES_standard_derivatives"); |
| 568 | } |
| 569 | |
| 570 | // We need dual source blending and the ability to disable multisample in order to support mixed |
| 571 | // samples in every corner case. |
| 572 | if (fMultisampleDisableSupport && glslCaps->fDualSourceBlendingSupport) { |
| 573 | // We understand "mixed samples" to mean the collective capability of 3 different extensions |
| 574 | glslCaps->fMixedSamplesSupport = |
| 575 | ctxInfo.hasExtension("GL_NV_framebuffer_mixed_samples") && |
| 576 | ctxInfo.hasExtension("GL_NV_sample_mask_override_coverage") && |
| 577 | ctxInfo.hasExtension("GL_EXT_raster_multisample"); |
| 578 | } |
| 579 | // Workaround NVIDIA bug related to glInvalidateFramebuffer and mixed samples. |
| 580 | if (kNVIDIA_GrGLDriver == ctxInfo.driver() && fShaderCaps->mixedSamplesSupport()) { |
| 581 | fDiscardRenderTargetSupport = false; |
| 582 | fInvalidateFBType = kNone_InvalidateFBType; |
| 583 | } |
| 584 | glslCaps->fProgrammableSampleLocationsSupport = |
| 585 | ctxInfo.hasExtension("GL_NV_sample_locations") || |
| 586 | ctxInfo.hasExtension("GL_ARB_sample_locations"); |
| 587 | } |
| 588 | |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 589 | bool GrGLCaps::hasPathRenderingSupport(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { |
kkinnunen | 6bb6d40 | 2015-07-14 10:59:23 -0700 | [diff] [blame] | 590 | bool hasChromiumPathRendering = ctxInfo.hasExtension("GL_CHROMIUM_path_rendering"); |
| 591 | |
| 592 | if (!(ctxInfo.hasExtension("GL_NV_path_rendering") || hasChromiumPathRendering)) { |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 593 | return false; |
| 594 | } |
kkinnunen | 6bb6d40 | 2015-07-14 10:59:23 -0700 | [diff] [blame] | 595 | |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 596 | if (kGL_GrGLStandard == ctxInfo.standard()) { |
| 597 | if (ctxInfo.version() < GR_GL_VER(4, 3) && |
| 598 | !ctxInfo.hasExtension("GL_ARB_program_interface_query")) { |
| 599 | return false; |
| 600 | } |
| 601 | } else { |
kkinnunen | 6bb6d40 | 2015-07-14 10:59:23 -0700 | [diff] [blame] | 602 | if (!hasChromiumPathRendering && |
| 603 | ctxInfo.version() < GR_GL_VER(3, 1)) { |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 604 | return false; |
| 605 | } |
| 606 | } |
| 607 | // We only support v1.3+ of GL_NV_path_rendering which allows us to |
| 608 | // set individual fragment inputs with ProgramPathFragmentInputGen. The API |
| 609 | // additions are detected by checking the existence of the function. |
| 610 | // We also use *Then* functions that not all drivers might have. Check |
| 611 | // them for consistency. |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 612 | if (nullptr == gli->fFunctions.fStencilThenCoverFillPath || |
| 613 | nullptr == gli->fFunctions.fStencilThenCoverStrokePath || |
| 614 | nullptr == gli->fFunctions.fStencilThenCoverFillPathInstanced || |
| 615 | nullptr == gli->fFunctions.fStencilThenCoverStrokePathInstanced || |
| 616 | nullptr == gli->fFunctions.fProgramPathFragmentInputGen) { |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 617 | return false; |
| 618 | } |
| 619 | return true; |
| 620 | } |
| 621 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 622 | void GrGLCaps::initConfigRenderableTable(const GrGLContextInfo& ctxInfo, bool srgbSupport) { |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 623 | // OpenGL < 3.0 |
| 624 | // no support for render targets unless the GL_ARB_framebuffer_object |
| 625 | // extension is supported (in which case we get ALPHA, RED, RG, RGB, |
| 626 | // RGBA (ALPHA8, RGBA4, RGBA8) for OpenGL > 1.1). Note that we |
| 627 | // probably don't get R8 in this case. |
| 628 | |
| 629 | // OpenGL 3.0 |
| 630 | // base color renderable: ALPHA, RED, RG, RGB, and RGBA |
| 631 | // sized derivatives: ALPHA8, R8, RGBA4, RGBA8 |
| 632 | |
| 633 | // >= OpenGL 3.1 |
| 634 | // base color renderable: RED, RG, RGB, and RGBA |
| 635 | // sized derivatives: R8, RGBA4, RGBA8 |
| 636 | // if the GL_ARB_compatibility extension is supported then we get back |
| 637 | // support for GL_ALPHA and ALPHA8 |
| 638 | |
| 639 | // GL_EXT_bgra adds BGRA render targets to any version |
| 640 | |
| 641 | // ES 2.0 |
| 642 | // color renderable: RGBA4, RGB5_A1, RGB565 |
| 643 | // GL_EXT_texture_rg adds support for R8 as a color render target |
| 644 | // GL_OES_rgb8_rgba8 and/or GL_ARM_rgba8 adds support for RGBA8 |
| 645 | // GL_EXT_texture_format_BGRA8888 and/or GL_APPLE_texture_format_BGRA8888 added BGRA support |
| 646 | |
| 647 | // ES 3.0 |
| 648 | // Same as ES 2.0 except R8 and RGBA8 are supported without extensions (the functions called |
| 649 | // below already account for this). |
| 650 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 651 | GrGLStandard standard = ctxInfo.standard(); |
| 652 | |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 653 | enum { |
| 654 | kNo_MSAA = 0, |
| 655 | kYes_MSAA = 1, |
| 656 | }; |
| 657 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 658 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 659 | // Post 3.0 we will get R8 |
| 660 | // Prior to 3.0 we will get ALPHA8 (with GL_ARB_framebuffer_object) |
| 661 | if (ctxInfo.version() >= GR_GL_VER(3,0) || |
| 662 | ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 663 | fConfigRenderSupport[kAlpha_8_GrPixelConfig][kNo_MSAA] = true; |
| 664 | fConfigRenderSupport[kAlpha_8_GrPixelConfig][kYes_MSAA] = true; |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 665 | } |
| 666 | } else { |
| 667 | // On ES we can only hope for R8 |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 668 | fConfigRenderSupport[kAlpha_8_GrPixelConfig][kNo_MSAA] = fTextureRedSupport; |
| 669 | fConfigRenderSupport[kAlpha_8_GrPixelConfig][kYes_MSAA] = fTextureRedSupport; |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 670 | } |
| 671 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 672 | if (kGL_GrGLStandard != standard) { |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 673 | // only available in ES |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 674 | fConfigRenderSupport[kRGB_565_GrPixelConfig][kNo_MSAA] = true; |
| 675 | fConfigRenderSupport[kRGB_565_GrPixelConfig][kYes_MSAA] = true; |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | // we no longer support 444 as a render target |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 679 | fConfigRenderSupport[kRGBA_4444_GrPixelConfig][kNo_MSAA] = false; |
| 680 | fConfigRenderSupport[kRGBA_4444_GrPixelConfig][kYes_MSAA] = false; |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 681 | |
| 682 | if (this->fRGBA8RenderbufferSupport) { |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 683 | fConfigRenderSupport[kRGBA_8888_GrPixelConfig][kNo_MSAA] = true; |
commit-bot@chromium.org | da3d69c | 2013-10-28 15:09:13 +0000 | [diff] [blame] | 684 | fConfigRenderSupport[kRGBA_8888_GrPixelConfig][kYes_MSAA] = true; |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 685 | } |
| 686 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 687 | if (this->isConfigTexturable(kBGRA_8888_GrPixelConfig)) { |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 688 | fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kNo_MSAA] = true; |
| 689 | // The GL_EXT_texture_format_BGRA8888 extension does not add BGRA to the list of |
| 690 | // configs that are color-renderable and can be passed to glRenderBufferStorageMultisample. |
commit-bot@chromium.org | 4256d24 | 2013-10-17 16:29:41 +0000 | [diff] [blame] | 691 | // Chromium may have an extension to allow BGRA renderbuffers to work on desktop platforms. |
commit-bot@chromium.org | 90313cc | 2014-01-17 15:05:38 +0000 | [diff] [blame] | 692 | if (ctxInfo.hasExtension("GL_CHROMIUM_renderbuffer_format_BGRA8888")) { |
commit-bot@chromium.org | 4256d24 | 2013-10-17 16:29:41 +0000 | [diff] [blame] | 693 | fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kYes_MSAA] = true; |
| 694 | } else { |
| 695 | fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kYes_MSAA] = |
| 696 | !fBGRAIsInternalFormat || !this->usesMSAARenderBuffers(); |
| 697 | } |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 698 | } |
| 699 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 700 | if (this->fRGBA8RenderbufferSupport && srgbSupport) { |
| 701 | fConfigRenderSupport[kSRGBA_8888_GrPixelConfig][kNo_MSAA] = true; |
| 702 | fConfigRenderSupport[kSRGBA_8888_GrPixelConfig][kYes_MSAA] = true; |
jvanverth | fa1e8a7 | 2014-12-22 08:31:49 -0800 | [diff] [blame] | 703 | } |
| 704 | |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 705 | if (this->isConfigTexturable(kRGBA_float_GrPixelConfig)) { |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 706 | if (kGL_GrGLStandard == standard) { |
jvanverth | a60b2ea | 2014-12-12 05:58:06 -0800 | [diff] [blame] | 707 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kNo_MSAA] = true; |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 708 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kYes_MSAA] = true; |
| 709 | } else { |
joshualitt | 5599996 | 2015-06-18 13:47:10 -0700 | [diff] [blame] | 710 | // for now we only enable this on desktop, because on ES we'd have to solve many |
| 711 | // precision issues and no clients actually want this yet |
| 712 | /* |
jvanverth | a60b2ea | 2014-12-12 05:58:06 -0800 | [diff] [blame] | 713 | if (ctxInfo.hasExtension("GL_EXT_color_buffer_float")) { |
| 714 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kNo_MSAA] = true; |
| 715 | } else { |
| 716 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kNo_MSAA] = false; |
| 717 | } |
| 718 | // for now we don't support floating point MSAA on ES |
joshualitt | 5599996 | 2015-06-18 13:47:10 -0700 | [diff] [blame] | 719 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kYes_MSAA] = false;*/ |
| 720 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kNo_MSAA] = false; |
jvanverth | fb5df43 | 2015-05-21 08:12:27 -0700 | [diff] [blame] | 721 | fConfigRenderSupport[kRGBA_float_GrPixelConfig][kYes_MSAA] = false; |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 722 | } |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 723 | } |
| 724 | |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 725 | if (this->isConfigTexturable(kAlpha_half_GrPixelConfig)) { |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 726 | if (kGL_GrGLStandard == standard) { |
jvanverth | a60b2ea | 2014-12-12 05:58:06 -0800 | [diff] [blame] | 727 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kNo_MSAA] = true; |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 728 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kYes_MSAA] = true; |
jvanverth | 1334c21 | 2014-12-18 05:44:55 -0800 | [diff] [blame] | 729 | } else if (ctxInfo.version() >= GR_GL_VER(3,0)) { |
| 730 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kNo_MSAA] = true; |
| 731 | // for now we don't support floating point MSAA on ES |
| 732 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kYes_MSAA] = false; |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 733 | } else { |
jvanverth | 1334c21 | 2014-12-18 05:44:55 -0800 | [diff] [blame] | 734 | if (ctxInfo.hasExtension("GL_EXT_color_buffer_half_float") && fTextureRedSupport) { |
| 735 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kNo_MSAA] = true; |
| 736 | } else { |
| 737 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kNo_MSAA] = false; |
| 738 | } |
| 739 | // for now we don't support floating point MSAA on ES |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 740 | fConfigRenderSupport[kAlpha_half_GrPixelConfig][kYes_MSAA] = false; |
| 741 | } |
| 742 | } |
| 743 | |
jvanverth | fb5df43 | 2015-05-21 08:12:27 -0700 | [diff] [blame] | 744 | if (this->isConfigTexturable(kRGBA_half_GrPixelConfig)) { |
| 745 | if (kGL_GrGLStandard == standard) { |
| 746 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kNo_MSAA] = true; |
| 747 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kYes_MSAA] = true; |
| 748 | } else if (ctxInfo.version() >= GR_GL_VER(3, 0)) { |
| 749 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kNo_MSAA] = true; |
| 750 | // for now we don't support floating point MSAA on ES |
| 751 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kYes_MSAA] = false; |
| 752 | } else { |
| 753 | if (ctxInfo.hasExtension("GL_EXT_color_buffer_half_float")) { |
| 754 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kNo_MSAA] = true; |
| 755 | } else { |
| 756 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kNo_MSAA] = false; |
| 757 | } |
| 758 | // for now we don't support floating point MSAA on ES |
| 759 | fConfigRenderSupport[kRGBA_half_GrPixelConfig][kYes_MSAA] = false; |
| 760 | } |
| 761 | } |
| 762 | |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 763 | // If we don't support MSAA then undo any places above where we set a config as renderable with |
| 764 | // msaa. |
| 765 | if (kNone_MSFBOType == fMSFBOType) { |
| 766 | for (int i = 0; i < kGrPixelConfigCnt; ++i) { |
| 767 | fConfigRenderSupport[i][kYes_MSAA] = false; |
| 768 | } |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 769 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 770 | } |
| 771 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 772 | void GrGLCaps::initConfigTexturableTable(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli, |
| 773 | bool srgbSupport) { |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 774 | GrGLStandard standard = ctxInfo.standard(); |
| 775 | GrGLVersion version = ctxInfo.version(); |
| 776 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 777 | // Base texture support |
| 778 | fConfigTextureSupport[kAlpha_8_GrPixelConfig] = true; |
| 779 | fConfigTextureSupport[kRGB_565_GrPixelConfig] = true; |
| 780 | fConfigTextureSupport[kRGBA_4444_GrPixelConfig] = true; |
| 781 | fConfigTextureSupport[kRGBA_8888_GrPixelConfig] = true; |
| 782 | |
reed | 56f38fb | 2015-09-14 09:09:00 -0700 | [diff] [blame] | 783 | // Disable this for now, while we investigate skbug.com/4333 |
| 784 | if (false) { |
| 785 | // Check for 8-bit palette.. |
| 786 | GrGLint numFormats; |
| 787 | GR_GL_GetIntegerv(gli, GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numFormats); |
| 788 | if (numFormats) { |
| 789 | SkAutoSTMalloc<10, GrGLint> formats(numFormats); |
| 790 | GR_GL_GetIntegerv(gli, GR_GL_COMPRESSED_TEXTURE_FORMATS, formats); |
| 791 | for (int i = 0; i < numFormats; ++i) { |
| 792 | if (GR_GL_PALETTE8_RGBA8 == formats[i]) { |
| 793 | fConfigTextureSupport[kIndex_8_GrPixelConfig] = true; |
| 794 | break; |
| 795 | } |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 796 | } |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | // Check for BGRA |
| 801 | if (kGL_GrGLStandard == standard) { |
| 802 | fConfigTextureSupport[kBGRA_8888_GrPixelConfig] = |
| 803 | version >= GR_GL_VER(1,2) || ctxInfo.hasExtension("GL_EXT_bgra"); |
| 804 | } else { |
| 805 | if (ctxInfo.hasExtension("GL_APPLE_texture_format_BGRA8888")) { |
| 806 | fConfigTextureSupport[kBGRA_8888_GrPixelConfig] = true; |
| 807 | } else if (ctxInfo.hasExtension("GL_EXT_texture_format_BGRA8888")) { |
| 808 | fConfigTextureSupport[kBGRA_8888_GrPixelConfig] = true; |
| 809 | fBGRAIsInternalFormat = true; |
| 810 | } |
| 811 | SkASSERT(fConfigTextureSupport[kBGRA_8888_GrPixelConfig] || |
| 812 | kSkia8888_GrPixelConfig != kBGRA_8888_GrPixelConfig); |
| 813 | } |
| 814 | |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 815 | fConfigTextureSupport[kSRGBA_8888_GrPixelConfig] = srgbSupport; |
jvanverth | fa1e8a7 | 2014-12-22 08:31:49 -0800 | [diff] [blame] | 816 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 817 | // Compressed texture support |
| 818 | |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 819 | // glCompressedTexImage2D is available on all OpenGL ES devices... |
| 820 | // however, it is only available on standard OpenGL after version 1.3 |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 821 | bool hasCompressTex2D = (kGL_GrGLStandard != standard || version >= GR_GL_VER(1, 3)); |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 822 | |
krajcevski | 78697816 | 2014-07-30 11:25:44 -0700 | [diff] [blame] | 823 | fCompressedTexSubImageSupport = |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 824 | hasCompressTex2D && (gli->fFunctions.fCompressedTexSubImage2D); |
krajcevski | 78697816 | 2014-07-30 11:25:44 -0700 | [diff] [blame] | 825 | |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 826 | // Check for ETC1 |
| 827 | bool hasETC1 = false; |
| 828 | |
| 829 | // First check version for support |
| 830 | if (kGL_GrGLStandard == standard) { |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 831 | hasETC1 = hasCompressTex2D && |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 832 | (version >= GR_GL_VER(4, 3) || |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 833 | ctxInfo.hasExtension("GL_ARB_ES3_compatibility")); |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 834 | } else { |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 835 | hasETC1 = hasCompressTex2D && |
| 836 | (version >= GR_GL_VER(3, 0) || |
| 837 | ctxInfo.hasExtension("GL_OES_compressed_ETC1_RGB8_texture") || |
| 838 | // ETC2 is a superset of ETC1, so we can just check for that, too. |
| 839 | (ctxInfo.hasExtension("GL_OES_compressed_ETC2_RGB8_texture") && |
| 840 | ctxInfo.hasExtension("GL_OES_compressed_ETC2_RGBA8_texture"))); |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 841 | } |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 842 | fConfigTextureSupport[kETC1_GrPixelConfig] = hasETC1; |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 843 | |
commit-bot@chromium.org | 6e7ddaa | 2014-05-30 13:55:58 +0000 | [diff] [blame] | 844 | // Check for LATC under its various forms |
| 845 | LATCAlias alias = kLATC_LATCAlias; |
| 846 | bool hasLATC = hasCompressTex2D && |
| 847 | (ctxInfo.hasExtension("GL_EXT_texture_compression_latc") || |
| 848 | ctxInfo.hasExtension("GL_NV_texture_compression_latc")); |
| 849 | |
| 850 | // Check for RGTC |
| 851 | if (!hasLATC) { |
| 852 | // If we're using OpenGL 3.0 or later, then we have RGTC, an identical compression format. |
| 853 | if (kGL_GrGLStandard == standard) { |
| 854 | hasLATC = version >= GR_GL_VER(3, 0); |
| 855 | } |
| 856 | |
| 857 | if (!hasLATC) { |
| 858 | hasLATC = |
| 859 | ctxInfo.hasExtension("GL_EXT_texture_compression_rgtc") || |
| 860 | ctxInfo.hasExtension("GL_ARB_texture_compression_rgtc"); |
| 861 | } |
| 862 | |
| 863 | if (hasLATC) { |
| 864 | alias = kRGTC_LATCAlias; |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | // Check for 3DC |
| 869 | if (!hasLATC) { |
| 870 | hasLATC = ctxInfo.hasExtension("GL_AMD_compressed_3DC_texture"); |
| 871 | if (hasLATC) { |
| 872 | alias = k3DC_LATCAlias; |
| 873 | } |
| 874 | } |
| 875 | |
| 876 | fConfigTextureSupport[kLATC_GrPixelConfig] = hasLATC; |
| 877 | fLATCAlias = alias; |
krajcevski | 238b456 | 2014-06-30 09:09:22 -0700 | [diff] [blame] | 878 | |
krajcevski | b3abe90 | 2014-07-30 13:08:11 -0700 | [diff] [blame] | 879 | // Check for R11_EAC ... We don't support R11_EAC on desktop, as most |
| 880 | // cards default to decompressing the textures in the driver, and is |
| 881 | // generally slower. |
| 882 | if (kGL_GrGLStandard != standard) { |
krajcevski | 238b456 | 2014-06-30 09:09:22 -0700 | [diff] [blame] | 883 | fConfigTextureSupport[kR11_EAC_GrPixelConfig] = version >= GR_GL_VER(3, 0); |
| 884 | } |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 885 | |
krajcevski | 7ef2162 | 2014-07-16 15:21:13 -0700 | [diff] [blame] | 886 | // Check for ASTC |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 887 | fConfigTextureSupport[kASTC_12x12_GrPixelConfig] = |
krajcevski | 7ef2162 | 2014-07-16 15:21:13 -0700 | [diff] [blame] | 888 | ctxInfo.hasExtension("GL_KHR_texture_compression_astc_hdr") || |
| 889 | ctxInfo.hasExtension("GL_KHR_texture_compression_astc_ldr") || |
| 890 | ctxInfo.hasExtension("GL_OES_texture_compression_astc"); |
| 891 | |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 892 | // Check for floating point texture support |
| 893 | // NOTE: We disallow floating point textures on ES devices if linear |
| 894 | // filtering modes are not supported. This is for simplicity, but a more |
| 895 | // granular approach is possible. Coincidentally, floating point textures became part of |
| 896 | // the standard in ES3.1 / OGL 3.1, hence the shorthand |
| 897 | bool hasFPTextures = version >= GR_GL_VER(3, 1); |
| 898 | if (!hasFPTextures) { |
| 899 | hasFPTextures = ctxInfo.hasExtension("GL_ARB_texture_float") || |
jvanverth | a60b2ea | 2014-12-12 05:58:06 -0800 | [diff] [blame] | 900 | (ctxInfo.hasExtension("GL_OES_texture_float_linear") && |
joshualitt | ee5da55 | 2014-07-16 13:32:56 -0700 | [diff] [blame] | 901 | ctxInfo.hasExtension("GL_OES_texture_float")); |
| 902 | } |
| 903 | fConfigTextureSupport[kRGBA_float_GrPixelConfig] = hasFPTextures; |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 904 | |
| 905 | // Check for fp16 texture support |
| 906 | // NOTE: We disallow floating point textures on ES devices if linear |
| 907 | // filtering modes are not supported. This is for simplicity, but a more |
| 908 | // granular approach is possible. Coincidentally, 16-bit floating point textures became part of |
| 909 | // the standard in ES3.1 / OGL 3.1, hence the shorthand |
| 910 | bool hasHalfFPTextures = version >= GR_GL_VER(3, 1); |
| 911 | if (!hasHalfFPTextures) { |
| 912 | hasHalfFPTextures = ctxInfo.hasExtension("GL_ARB_texture_float") || |
jvanverth | 1334c21 | 2014-12-18 05:44:55 -0800 | [diff] [blame] | 913 | (ctxInfo.hasExtension("GL_OES_texture_half_float_linear") && |
| 914 | ctxInfo.hasExtension("GL_OES_texture_half_float")); |
jvanverth | 28f9c60 | 2014-12-05 13:06:35 -0800 | [diff] [blame] | 915 | } |
jvanverth | 1334c21 | 2014-12-18 05:44:55 -0800 | [diff] [blame] | 916 | fConfigTextureSupport[kAlpha_half_GrPixelConfig] = hasHalfFPTextures; |
jvanverth | fb5df43 | 2015-05-21 08:12:27 -0700 | [diff] [blame] | 917 | fConfigTextureSupport[kRGBA_half_GrPixelConfig] = hasHalfFPTextures; |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 918 | } |
| 919 | |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 920 | bool GrGLCaps::doReadPixelsSupported(const GrGLInterface* intf, |
| 921 | GrGLenum format, |
| 922 | GrGLenum type) const { |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 923 | if (GR_GL_RGBA == format && GR_GL_UNSIGNED_BYTE == type) { |
| 924 | // ES 2 guarantees this format is supported |
robertphillips@google.com | eca2dfb | 2012-06-27 20:13:49 +0000 | [diff] [blame] | 925 | return true; |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | if (!fTwoFormatLimit) { |
| 929 | // not limited by ES 2's constraints |
| 930 | return true; |
| 931 | } |
| 932 | |
bsalomon@google.com | 548a433 | 2012-07-11 19:45:22 +0000 | [diff] [blame] | 933 | GrGLint otherFormat = GR_GL_RGBA; |
| 934 | GrGLint otherType = GR_GL_UNSIGNED_BYTE; |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 935 | |
| 936 | // The other supported format/type combo supported for ReadPixels |
| 937 | // can change based on which render target is bound |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 938 | GR_GL_GetIntegerv(intf, |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 939 | GR_GL_IMPLEMENTATION_COLOR_READ_FORMAT, |
| 940 | &otherFormat); |
| 941 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 942 | GR_GL_GetIntegerv(intf, |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 943 | GR_GL_IMPLEMENTATION_COLOR_READ_TYPE, |
| 944 | &otherType); |
| 945 | |
bsalomon@google.com | 548a433 | 2012-07-11 19:45:22 +0000 | [diff] [blame] | 946 | return (GrGLenum)otherFormat == format && (GrGLenum)otherType == type; |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 947 | } |
| 948 | |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 949 | bool GrGLCaps::readPixelsSupported(const GrGLInterface* intf, |
| 950 | GrGLenum format, |
| 951 | GrGLenum type, |
| 952 | GrGLenum currFboFormat) const { |
mtklein | 2aa1f7e | 2015-02-20 12:35:32 -0800 | [diff] [blame] | 953 | ReadPixelsSupportedFormat key = {format, type, currFboFormat}; |
| 954 | if (const bool* supported = fReadPixelsSupportedCache.find(key)) { |
| 955 | return *supported; |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 956 | } |
mtklein | 2aa1f7e | 2015-02-20 12:35:32 -0800 | [diff] [blame] | 957 | bool supported = this->doReadPixelsSupported(intf, format, type); |
| 958 | fReadPixelsSupportedCache.set(key, supported); |
| 959 | return supported; |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 960 | } |
| 961 | |
robertphillips@google.com | 6177e69 | 2013-02-28 20:16:25 +0000 | [diff] [blame] | 962 | void GrGLCaps::initFSAASupport(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 963 | |
| 964 | fMSFBOType = kNone_MSFBOType; |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 965 | if (kGL_GrGLStandard != ctxInfo.standard()) { |
commit-bot@chromium.org | a8e5a06 | 2013-09-05 23:44:09 +0000 | [diff] [blame] | 966 | // We prefer the EXT/IMG extension over ES3 MSAA because we've observed |
| 967 | // ES3 driver bugs on at least one device with a tiled GPU (N10). |
| 968 | if (ctxInfo.hasExtension("GL_EXT_multisampled_render_to_texture")) { |
| 969 | fMSFBOType = kES_EXT_MsToTexture_MSFBOType; |
| 970 | } else if (ctxInfo.hasExtension("GL_IMG_multisampled_render_to_texture")) { |
| 971 | fMSFBOType = kES_IMG_MsToTexture_MSFBOType; |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 972 | } else if (fShaderCaps->mixedSamplesSupport() && fShaderCaps->pathRenderingSupport()) { |
| 973 | fMSFBOType = kMixedSamples_MSFBOType; |
commit-bot@chromium.org | 92b7884 | 2014-01-16 20:49:46 +0000 | [diff] [blame] | 974 | } else if (ctxInfo.version() >= GR_GL_VER(3,0)) { |
commit-bot@chromium.org | a8e5a06 | 2013-09-05 23:44:09 +0000 | [diff] [blame] | 975 | fMSFBOType = GrGLCaps::kES_3_0_MSFBOType; |
| 976 | } else if (ctxInfo.hasExtension("GL_CHROMIUM_framebuffer_multisample")) { |
| 977 | // chrome's extension is equivalent to the EXT msaa |
| 978 | // and fbo_blit extensions. |
| 979 | fMSFBOType = kDesktop_EXT_MSFBOType; |
| 980 | } else if (ctxInfo.hasExtension("GL_APPLE_framebuffer_multisample")) { |
| 981 | fMSFBOType = kES_Apple_MSFBOType; |
| 982 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 983 | } else { |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 984 | if (fShaderCaps->mixedSamplesSupport() && fShaderCaps->pathRenderingSupport()) { |
| 985 | fMSFBOType = kMixedSamples_MSFBOType; |
| 986 | } else if ((ctxInfo.version() >= GR_GL_VER(3,0)) || |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 987 | ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 988 | fMSFBOType = GrGLCaps::kDesktop_ARB_MSFBOType; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 989 | } else if (ctxInfo.hasExtension("GL_EXT_framebuffer_multisample") && |
| 990 | ctxInfo.hasExtension("GL_EXT_framebuffer_blit")) { |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 991 | fMSFBOType = GrGLCaps::kDesktop_EXT_MSFBOType; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 992 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 993 | } |
| 994 | } |
| 995 | |
cdalton | 1dd0542 | 2015-06-12 09:01:18 -0700 | [diff] [blame] | 996 | void GrGLCaps::initBlendEqationSupport(const GrGLContextInfo& ctxInfo) { |
| 997 | GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get()); |
| 998 | |
| 999 | // Disabling advanced blend on various platforms with major known issues. We also block Chrome |
| 1000 | // for now until its own blacklists can be updated. |
| 1001 | if (kAdreno4xx_GrGLRenderer == ctxInfo.renderer() || |
| 1002 | kIntel_GrGLDriver == ctxInfo.driver() || |
joel.liang | 9764c40 | 2015-07-09 19:46:18 -0700 | [diff] [blame] | 1003 | kChromium_GrGLDriver == ctxInfo.driver()) { |
cdalton | 1dd0542 | 2015-06-12 09:01:18 -0700 | [diff] [blame] | 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | if (ctxInfo.hasExtension("GL_NV_blend_equation_advanced_coherent")) { |
| 1008 | fBlendEquationSupport = kAdvancedCoherent_BlendEquationSupport; |
| 1009 | glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kAutomatic_AdvBlendEqInteraction; |
| 1010 | } else if (ctxInfo.hasExtension("GL_KHR_blend_equation_advanced_coherent")) { |
| 1011 | fBlendEquationSupport = kAdvancedCoherent_BlendEquationSupport; |
| 1012 | glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kGeneralEnable_AdvBlendEqInteraction; |
| 1013 | } else if (kNVIDIA_GrGLDriver == ctxInfo.driver() && |
| 1014 | ctxInfo.driverVersion() < GR_GL_DRIVER_VER(337,00)) { |
| 1015 | // Non-coherent advanced blend has an issue on NVIDIA pre 337.00. |
| 1016 | return; |
| 1017 | } else if (ctxInfo.hasExtension("GL_NV_blend_equation_advanced")) { |
| 1018 | fBlendEquationSupport = kAdvanced_BlendEquationSupport; |
| 1019 | glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kAutomatic_AdvBlendEqInteraction; |
| 1020 | } else if (ctxInfo.hasExtension("GL_KHR_blend_equation_advanced")) { |
| 1021 | fBlendEquationSupport = kAdvanced_BlendEquationSupport; |
| 1022 | glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kGeneralEnable_AdvBlendEqInteraction; |
| 1023 | // TODO: Use kSpecificEnables_AdvBlendEqInteraction if "blend_support_all_equations" is |
| 1024 | // slow on a particular platform. |
| 1025 | } else { |
| 1026 | return; // No advanced blend support. |
| 1027 | } |
| 1028 | |
| 1029 | SkASSERT(this->advancedBlendEquationSupport()); |
| 1030 | |
| 1031 | if (kNVIDIA_GrGLDriver == ctxInfo.driver()) { |
| 1032 | // Blacklist color-dodge and color-burn on NVIDIA until the fix is released. |
| 1033 | fAdvBlendEqBlacklist |= (1 << kColorDodge_GrBlendEquation) | |
| 1034 | (1 << kColorBurn_GrBlendEquation); |
| 1035 | } |
joel.liang | 9764c40 | 2015-07-09 19:46:18 -0700 | [diff] [blame] | 1036 | if (kARM_GrGLVendor == ctxInfo.vendor()) { |
| 1037 | // Blacklist color-burn on ARM until the fix is released. |
| 1038 | fAdvBlendEqBlacklist |= (1 << kColorBurn_GrBlendEquation); |
| 1039 | } |
cdalton | 1dd0542 | 2015-06-12 09:01:18 -0700 | [diff] [blame] | 1040 | } |
| 1041 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1042 | namespace { |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 1043 | const GrGLuint kUnknownBitCount = GrGLStencilAttachment::kUnknownBitCount; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | void GrGLCaps::initStencilFormats(const GrGLContextInfo& ctxInfo) { |
| 1047 | |
| 1048 | // Build up list of legal stencil formats (though perhaps not supported on |
| 1049 | // the particular gpu/driver) from most preferred to least. |
| 1050 | |
| 1051 | // these consts are in order of most preferred to least preferred |
| 1052 | // we don't bother with GL_STENCIL_INDEX1 or GL_DEPTH32F_STENCIL8 |
| 1053 | |
| 1054 | static const StencilFormat |
| 1055 | // internal Format stencil bits total bits packed? |
| 1056 | gS8 = {GR_GL_STENCIL_INDEX8, 8, 8, false}, |
| 1057 | gS16 = {GR_GL_STENCIL_INDEX16, 16, 16, false}, |
| 1058 | gD24S8 = {GR_GL_DEPTH24_STENCIL8, 8, 32, true }, |
| 1059 | gS4 = {GR_GL_STENCIL_INDEX4, 4, 4, false}, |
caryclark@google.com | cf6285b | 2012-06-06 12:09:01 +0000 | [diff] [blame] | 1060 | // gS = {GR_GL_STENCIL_INDEX, kUnknownBitCount, kUnknownBitCount, false}, |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1061 | gDS = {GR_GL_DEPTH_STENCIL, kUnknownBitCount, kUnknownBitCount, true }; |
| 1062 | |
commit-bot@chromium.org | 9e90aed | 2014-01-16 16:35:09 +0000 | [diff] [blame] | 1063 | if (kGL_GrGLStandard == ctxInfo.standard()) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1064 | bool supportsPackedDS = |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1065 | ctxInfo.version() >= GR_GL_VER(3,0) || |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1066 | ctxInfo.hasExtension("GL_EXT_packed_depth_stencil") || |
| 1067 | ctxInfo.hasExtension("GL_ARB_framebuffer_object"); |
| 1068 | |
| 1069 | // S1 thru S16 formats are in GL 3.0+, EXT_FBO, and ARB_FBO since we |
| 1070 | // require FBO support we can expect these are legal formats and don't |
| 1071 | // check. These also all support the unsized GL_STENCIL_INDEX. |
| 1072 | fStencilFormats.push_back() = gS8; |
| 1073 | fStencilFormats.push_back() = gS16; |
| 1074 | if (supportsPackedDS) { |
| 1075 | fStencilFormats.push_back() = gD24S8; |
| 1076 | } |
| 1077 | fStencilFormats.push_back() = gS4; |
| 1078 | if (supportsPackedDS) { |
| 1079 | fStencilFormats.push_back() = gDS; |
| 1080 | } |
| 1081 | } else { |
| 1082 | // ES2 has STENCIL_INDEX8 without extensions but requires extensions |
| 1083 | // for other formats. |
| 1084 | // ES doesn't support using the unsized format. |
| 1085 | |
| 1086 | fStencilFormats.push_back() = gS8; |
| 1087 | //fStencilFormats.push_back() = gS16; |
commit-bot@chromium.org | 04c500f | 2013-09-06 15:28:01 +0000 | [diff] [blame] | 1088 | if (ctxInfo.version() >= GR_GL_VER(3,0) || |
| 1089 | ctxInfo.hasExtension("GL_OES_packed_depth_stencil")) { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1090 | fStencilFormats.push_back() = gD24S8; |
| 1091 | } |
| 1092 | if (ctxInfo.hasExtension("GL_OES_stencil4")) { |
| 1093 | fStencilFormats.push_back() = gS4; |
| 1094 | } |
| 1095 | } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1098 | SkString GrGLCaps::dump() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 1099 | |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1100 | SkString r = INHERITED::dump(); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 1101 | |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1102 | r.appendf("--- GL-Specific ---\n"); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1103 | for (int i = 0; i < fStencilFormats.count(); ++i) { |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1104 | r.appendf("Stencil Format %d, stencil bits: %02d, total bits: %02d\n", |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1105 | i, |
| 1106 | fStencilFormats[i].fStencilBits, |
| 1107 | fStencilFormats[i].fTotalBits); |
| 1108 | } |
| 1109 | |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 1110 | static const char* kMSFBOExtStr[] = { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1111 | "None", |
| 1112 | "ARB", |
| 1113 | "EXT", |
commit-bot@chromium.org | a8e5a06 | 2013-09-05 23:44:09 +0000 | [diff] [blame] | 1114 | "ES 3.0", |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1115 | "Apple", |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 1116 | "IMG MS To Texture", |
| 1117 | "EXT MS To Texture", |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 1118 | "MixedSamples", |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 1119 | }; |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 1120 | GR_STATIC_ASSERT(0 == kNone_MSFBOType); |
| 1121 | GR_STATIC_ASSERT(1 == kDesktop_ARB_MSFBOType); |
| 1122 | GR_STATIC_ASSERT(2 == kDesktop_EXT_MSFBOType); |
commit-bot@chromium.org | a8e5a06 | 2013-09-05 23:44:09 +0000 | [diff] [blame] | 1123 | GR_STATIC_ASSERT(3 == kES_3_0_MSFBOType); |
| 1124 | GR_STATIC_ASSERT(4 == kES_Apple_MSFBOType); |
| 1125 | GR_STATIC_ASSERT(5 == kES_IMG_MsToTexture_MSFBOType); |
| 1126 | GR_STATIC_ASSERT(6 == kES_EXT_MsToTexture_MSFBOType); |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 1127 | GR_STATIC_ASSERT(7 == kMixedSamples_MSFBOType); |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 1128 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(kMSFBOExtStr) == kLast_MSFBOType + 1); |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 1129 | |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 1130 | static const char* kInvalidateFBTypeStr[] = { |
| 1131 | "None", |
| 1132 | "Discard", |
| 1133 | "Invalidate", |
| 1134 | }; |
| 1135 | GR_STATIC_ASSERT(0 == kNone_InvalidateFBType); |
| 1136 | GR_STATIC_ASSERT(1 == kDiscard_InvalidateFBType); |
| 1137 | GR_STATIC_ASSERT(2 == kInvalidate_InvalidateFBType); |
| 1138 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(kInvalidateFBTypeStr) == kLast_InvalidateFBType + 1); |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 1139 | |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 1140 | static const char* kMapBufferTypeStr[] = { |
| 1141 | "None", |
| 1142 | "MapBuffer", |
| 1143 | "MapBufferRange", |
| 1144 | "Chromium", |
| 1145 | }; |
| 1146 | GR_STATIC_ASSERT(0 == kNone_MapBufferType); |
| 1147 | GR_STATIC_ASSERT(1 == kMapBuffer_MapBufferType); |
| 1148 | GR_STATIC_ASSERT(2 == kMapBufferRange_MapBufferType); |
| 1149 | GR_STATIC_ASSERT(3 == kChromium_MapBufferType); |
| 1150 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(kMapBufferTypeStr) == kLast_MapBufferType + 1); |
| 1151 | |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1152 | r.appendf("Core Profile: %s\n", (fIsCoreProfile ? "YES" : "NO")); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1153 | r.appendf("MSAA Type: %s\n", kMSFBOExtStr[fMSFBOType]); |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 1154 | r.appendf("Invalidate FB Type: %s\n", kInvalidateFBTypeStr[fInvalidateFBType]); |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 1155 | r.appendf("Map Buffer Type: %s\n", kMapBufferTypeStr[fMapBufferType]); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1156 | r.appendf("Max FS Uniform Vectors: %d\n", fMaxFragmentUniformVectors); |
| 1157 | r.appendf("Max FS Texture Units: %d\n", fMaxFragmentTextureUnits); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1158 | r.appendf("Max Vertex Attributes: %d\n", fMaxVertexAttributes); |
| 1159 | r.appendf("Support RGBA8 Render Buffer: %s\n", (fRGBA8RenderbufferSupport ? "YES": "NO")); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1160 | r.appendf("BGRA is an internal format: %s\n", (fBGRAIsInternalFormat ? "YES": "NO")); |
| 1161 | r.appendf("Support texture swizzle: %s\n", (fTextureSwizzleSupport ? "YES": "NO")); |
| 1162 | r.appendf("Unpack Row length support: %s\n", (fUnpackRowLengthSupport ? "YES": "NO")); |
| 1163 | r.appendf("Unpack Flip Y support: %s\n", (fUnpackFlipYSupport ? "YES": "NO")); |
| 1164 | r.appendf("Pack Row length support: %s\n", (fPackRowLengthSupport ? "YES": "NO")); |
| 1165 | r.appendf("Pack Flip Y support: %s\n", (fPackFlipYSupport ? "YES": "NO")); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 1166 | |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1167 | r.appendf("Texture Usage support: %s\n", (fTextureUsageSupport ? "YES": "NO")); |
| 1168 | r.appendf("Texture Storage support: %s\n", (fTexStorageSupport ? "YES": "NO")); |
| 1169 | r.appendf("GL_R support: %s\n", (fTextureRedSupport ? "YES": "NO")); |
| 1170 | r.appendf("GL_ARB_imaging support: %s\n", (fImagingSupport ? "YES": "NO")); |
| 1171 | r.appendf("Two Format Limit: %s\n", (fTwoFormatLimit ? "YES": "NO")); |
| 1172 | r.appendf("Fragment coord conventions support: %s\n", |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 1173 | (fFragCoordsConventionSupport ? "YES": "NO")); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1174 | r.appendf("Vertex array object support: %s\n", (fVertexArrayObjectSupport ? "YES": "NO")); |
cdalton | 626e1ff | 2015-06-12 13:56:46 -0700 | [diff] [blame] | 1175 | r.appendf("Instanced drawing support: %s\n", (fInstancedDrawingSupport ? "YES": "NO")); |
| 1176 | r.appendf("Direct state access support: %s\n", (fDirectStateAccessSupport ? "YES": "NO")); |
| 1177 | r.appendf("Debug support: %s\n", (fDebugSupport ? "YES": "NO")); |
cdalton | 0edea2c | 2015-05-21 08:27:44 -0700 | [diff] [blame] | 1178 | r.appendf("Multisample disable support: %s\n", (fMultisampleDisableSupport ? "YES" : "NO")); |
commit-bot@chromium.org | 8b656c6 | 2013-11-21 15:23:15 +0000 | [diff] [blame] | 1179 | r.appendf("Use non-VBO for dynamic data: %s\n", |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 1180 | (fUseNonVBOVertexAndIndexDynamicData ? "YES" : "NO")); |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 1181 | r.appendf("SRGB write contol: %s\n", (fSRGBWriteControl ? "YES" : "NO")); |
robertphillips | 6392668 | 2015-08-20 09:39:02 -0700 | [diff] [blame] | 1182 | r.appendf("RGBA 8888 pixel ops are slow: %s\n", (fRGBA8888PixelsOpsAreSlow ? "YES" : "NO")); |
| 1183 | r.appendf("Partial FBO read is slow: %s\n", (fPartialFBOReadIsSlow ? "YES" : "NO")); |
joshualitt | 7bdd70a | 2015-10-01 06:28:11 -0700 | [diff] [blame] | 1184 | r.appendf("Bind uniform location support: %s\n", (fBindUniformLocationSupport ? "YES" : "NO")); |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1185 | return r; |
| 1186 | } |
| 1187 | |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1188 | static GrGLenum precision_to_gl_float_type(GrSLPrecision p) { |
| 1189 | switch (p) { |
| 1190 | case kLow_GrSLPrecision: |
| 1191 | return GR_GL_LOW_FLOAT; |
| 1192 | case kMedium_GrSLPrecision: |
| 1193 | return GR_GL_MEDIUM_FLOAT; |
| 1194 | case kHigh_GrSLPrecision: |
| 1195 | return GR_GL_HIGH_FLOAT; |
| 1196 | } |
| 1197 | SkFAIL("Unknown precision."); |
| 1198 | return -1; |
| 1199 | } |
| 1200 | |
| 1201 | static GrGLenum shader_type_to_gl_shader(GrShaderType type) { |
| 1202 | switch (type) { |
| 1203 | case kVertex_GrShaderType: |
| 1204 | return GR_GL_VERTEX_SHADER; |
| 1205 | case kGeometry_GrShaderType: |
| 1206 | return GR_GL_GEOMETRY_SHADER; |
| 1207 | case kFragment_GrShaderType: |
| 1208 | return GR_GL_FRAGMENT_SHADER; |
| 1209 | } |
| 1210 | SkFAIL("Unknown shader type."); |
| 1211 | return -1; |
| 1212 | } |
| 1213 | |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1214 | void GrGLCaps::initShaderPrecisionTable(const GrGLContextInfo& ctxInfo, |
| 1215 | const GrGLInterface* intf, |
| 1216 | GrGLSLCaps* glslCaps) { |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1217 | if (kGLES_GrGLStandard == ctxInfo.standard() || ctxInfo.version() >= GR_GL_VER(4, 1) || |
| 1218 | ctxInfo.hasExtension("GL_ARB_ES2_compatibility")) { |
| 1219 | for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| 1220 | if (kGeometry_GrShaderType != s) { |
| 1221 | GrShaderType shaderType = static_cast<GrShaderType>(s); |
| 1222 | GrGLenum glShader = shader_type_to_gl_shader(shaderType); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1223 | GrShaderCaps::PrecisionInfo* first = nullptr; |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1224 | glslCaps->fShaderPrecisionVaries = false; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1225 | for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
| 1226 | GrSLPrecision precision = static_cast<GrSLPrecision>(p); |
| 1227 | GrGLenum glPrecision = precision_to_gl_float_type(precision); |
| 1228 | GrGLint range[2]; |
| 1229 | GrGLint bits; |
| 1230 | GR_GL_GetShaderPrecisionFormat(intf, glShader, glPrecision, range, &bits); |
| 1231 | if (bits) { |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1232 | glslCaps->fFloatPrecisions[s][p].fLogRangeLow = range[0]; |
| 1233 | glslCaps->fFloatPrecisions[s][p].fLogRangeHigh = range[1]; |
| 1234 | glslCaps->fFloatPrecisions[s][p].fBits = bits; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1235 | if (!first) { |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1236 | first = &glslCaps->fFloatPrecisions[s][p]; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1237 | } |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1238 | else if (!glslCaps->fShaderPrecisionVaries) { |
| 1239 | glslCaps->fShaderPrecisionVaries = |
| 1240 | (*first != glslCaps->fFloatPrecisions[s][p]); |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1241 | } |
| 1242 | } |
| 1243 | } |
| 1244 | } |
| 1245 | } |
| 1246 | } |
| 1247 | else { |
| 1248 | // We're on a desktop GL that doesn't have precision info. Assume they're all 32bit float. |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1249 | glslCaps->fShaderPrecisionVaries = false; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1250 | for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| 1251 | if (kGeometry_GrShaderType != s) { |
| 1252 | for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1253 | glslCaps->fFloatPrecisions[s][p].fLogRangeLow = 127; |
| 1254 | glslCaps->fFloatPrecisions[s][p].fLogRangeHigh = 127; |
| 1255 | glslCaps->fFloatPrecisions[s][p].fBits = 23; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1256 | } |
| 1257 | } |
| 1258 | } |
| 1259 | } |
| 1260 | // GetShaderPrecisionFormat doesn't accept GL_GEOMETRY_SHADER as a shader type. Assume they're |
| 1261 | // the same as the vertex shader. Only fragment shaders were ever allowed to omit support for |
| 1262 | // highp. GS was added after GetShaderPrecisionFormat was added to the list of features that |
| 1263 | // are recommended against. |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1264 | if (glslCaps->fGeometryShaderSupport) { |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1265 | for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 1266 | glslCaps->fFloatPrecisions[kGeometry_GrShaderType][p] = |
| 1267 | glslCaps->fFloatPrecisions[kVertex_GrShaderType][p]; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 1268 | } |
| 1269 | } |
| 1270 | } |
| 1271 | |
| 1272 | |
| 1273 | |
| 1274 | |