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 | #ifndef GrGLCaps_DEFINED |
| 10 | #define GrGLCaps_DEFINED |
| 11 | |
bsalomon | 1aa2029 | 2016-01-22 08:16:09 -0800 | [diff] [blame] | 12 | #include <functional> |
| 13 | |
mtklein | 3183a41 | 2016-01-08 12:11:39 -0800 | [diff] [blame] | 14 | #include "glsl/GrGLSL.h" |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 15 | #include "GrCaps.h" |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 16 | #include "GrGLStencilAttachment.h" |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 17 | #include "GrSwizzle.h" |
piotaixr | e4b2314 | 2014-10-02 10:57:53 -0700 | [diff] [blame] | 18 | #include "SkChecksum.h" |
mtklein | 2aa1f7e | 2015-02-20 12:35:32 -0800 | [diff] [blame] | 19 | #include "SkTHash.h" |
robertphillips@google.com | a2d7148 | 2012-08-01 20:08:47 +0000 | [diff] [blame] | 20 | #include "SkTArray.h" |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 21 | |
| 22 | class GrGLContextInfo; |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 23 | class GrGLSLCaps; |
bsalomon | 1aa2029 | 2016-01-22 08:16:09 -0800 | [diff] [blame] | 24 | class GrGLRenderTarget; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 25 | |
| 26 | /** |
| 27 | * Stores some capabilities of a GL context. Most are determined by the GL |
| 28 | * version and the extensions string. It also tracks formats that have passed |
| 29 | * the FBO completeness test. |
| 30 | */ |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 31 | class GrGLCaps : public GrCaps { |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 32 | public: |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 33 | typedef GrGLStencilAttachment::Format StencilFormat; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 34 | |
| 35 | /** |
| 36 | * The type of MSAA for FBOs supported. Different extensions have different |
| 37 | * semantics of how / when a resolve is performed. |
| 38 | */ |
| 39 | enum MSFBOType { |
| 40 | /** |
| 41 | * no support for MSAA FBOs |
| 42 | */ |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 43 | kNone_MSFBOType = 0, |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 44 | /** |
skia.committer@gmail.com | 6fc1b49 | 2013-09-06 07:01:45 +0000 | [diff] [blame] | 45 | * GL3.0-style MSAA FBO (GL_ARB_framebuffer_object). |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 46 | */ |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 47 | kDesktop_ARB_MSFBOType, |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 48 | /** |
| 49 | * earlier GL_EXT_framebuffer* extensions |
| 50 | */ |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 51 | kDesktop_EXT_MSFBOType, |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 52 | /** |
commit-bot@chromium.org | a8e5a06 | 2013-09-05 23:44:09 +0000 | [diff] [blame] | 53 | * Similar to kDesktop_ARB but with additional restrictions on glBlitFramebuffer. |
| 54 | */ |
| 55 | kES_3_0_MSFBOType, |
| 56 | /** |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 57 | * GL_APPLE_framebuffer_multisample ES extension |
| 58 | */ |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 59 | kES_Apple_MSFBOType, |
bsalomon@google.com | f3a60c0 | 2013-03-19 19:06:09 +0000 | [diff] [blame] | 60 | /** |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 61 | * GL_IMG_multisampled_render_to_texture. This variation does not have MSAA renderbuffers. |
| 62 | * Instead the texture is multisampled when bound to the FBO and then resolved automatically |
| 63 | * when read. It also defines an alternate value for GL_MAX_SAMPLES (which we call |
| 64 | * GR_GL_MAX_SAMPLES_IMG). |
bsalomon@google.com | f3a60c0 | 2013-03-19 19:06:09 +0000 | [diff] [blame] | 65 | */ |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 66 | kES_IMG_MsToTexture_MSFBOType, |
| 67 | /** |
| 68 | * GL_EXT_multisampled_render_to_texture. Same as the IMG one above but uses the standard |
| 69 | * GL_MAX_SAMPLES value. |
| 70 | */ |
| 71 | kES_EXT_MsToTexture_MSFBOType, |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 72 | /** |
| 73 | * GL_NV_framebuffer_mixed_samples. |
| 74 | */ |
| 75 | kMixedSamples_MSFBOType, |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 76 | |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 77 | kLast_MSFBOType = kMixedSamples_MSFBOType |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 78 | }; |
| 79 | |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 80 | enum InvalidateFBType { |
| 81 | kNone_InvalidateFBType, |
| 82 | kDiscard_InvalidateFBType, //<! glDiscardFramebuffer() |
| 83 | kInvalidate_InvalidateFBType, //<! glInvalidateFramebuffer() |
| 84 | |
| 85 | kLast_InvalidateFBType = kInvalidate_InvalidateFBType |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 86 | }; |
| 87 | |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 88 | enum MapBufferType { |
| 89 | kNone_MapBufferType, |
| 90 | kMapBuffer_MapBufferType, // glMapBuffer() |
| 91 | kMapBufferRange_MapBufferType, // glMapBufferRange() |
| 92 | kChromium_MapBufferType, // GL_CHROMIUM_map_sub |
| 93 | |
| 94 | kLast_MapBufferType = kChromium_MapBufferType, |
| 95 | }; |
| 96 | |
jvanverth | d7a2c1f | 2015-12-07 07:36:44 -0800 | [diff] [blame] | 97 | enum TransferBufferType { |
| 98 | kNone_TransferBufferType, |
| 99 | kPBO_TransferBufferType, // ARB_pixel_buffer_object |
| 100 | kChromium_TransferBufferType, // CHROMIUM_pixel_transfer_buffer_object |
| 101 | |
| 102 | kLast_TransferBufferType = kChromium_TransferBufferType, |
| 103 | }; |
| 104 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 105 | /** |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 106 | * Initializes the GrGLCaps to the set of features supported in the current |
| 107 | * OpenGL context accessible via ctxInfo. |
| 108 | */ |
bsalomon | 682c269 | 2015-05-22 14:01:46 -0700 | [diff] [blame] | 109 | GrGLCaps(const GrContextOptions& contextOptions, const GrGLContextInfo& ctxInfo, |
| 110 | const GrGLInterface* glInterface); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 111 | |
bsalomon | 41e4384e | 2016-01-08 09:12:44 -0800 | [diff] [blame] | 112 | bool isConfigTexturable(GrPixelConfig config) const override { |
| 113 | SkASSERT(kGrPixelConfigCnt > config); |
| 114 | return SkToBool(fConfigTable[config].fFlags & ConfigInfo::kTextureable_Flag); |
| 115 | } |
| 116 | |
| 117 | bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const override { |
| 118 | SkASSERT(kGrPixelConfigCnt > config); |
| 119 | if (withMSAA) { |
| 120 | return SkToBool(fConfigTable[config].fFlags & ConfigInfo::kRenderableWithMSAA_Flag); |
| 121 | } else { |
| 122 | return SkToBool(fConfigTable[config].fFlags & ConfigInfo::kRenderable_Flag); |
| 123 | } |
| 124 | } |
| 125 | |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 126 | /** Returns the mapping between GrPixelConfig components and GL internal format components. */ |
| 127 | const GrSwizzle& configSwizzle(GrPixelConfig config) const { |
| 128 | return fConfigTable[config].fSwizzle; |
| 129 | } |
| 130 | |
bsalomon | 76148af | 2016-01-12 11:13:47 -0800 | [diff] [blame] | 131 | bool getTexImageFormats(GrPixelConfig surfaceConfig, GrPixelConfig externalConfig, |
| 132 | GrGLenum* internalFormat, GrGLenum* externalFormat, |
| 133 | GrGLenum* externalType) const; |
| 134 | |
| 135 | bool getCompressedTexImageFormats(GrPixelConfig surfaceConfig, GrGLenum* internalFormat) const; |
| 136 | |
| 137 | bool getReadPixelsFormat(GrPixelConfig surfaceConfig, GrPixelConfig externalConfig, |
| 138 | GrGLenum* externalFormat, GrGLenum* externalType) const; |
| 139 | |
| 140 | bool getRenderbufferFormat(GrPixelConfig config, GrGLenum* internalFormat) const; |
| 141 | |
bsalomon | 3044737 | 2015-12-21 09:03:05 -0800 | [diff] [blame] | 142 | /** |
| 143 | * Gets an array of legal stencil formats. These formats are not guaranteed |
| 144 | * to be supported by the driver but are legal GLenum names given the GL |
| 145 | * version and extensions supported. |
| 146 | */ |
| 147 | const SkTArray<StencilFormat, true>& stencilFormats() const { |
| 148 | return fStencilFormats; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Has a stencil format index been found for the config (or we've found that no format works). |
| 153 | */ |
| 154 | bool hasStencilFormatBeenDeterminedForConfig(GrPixelConfig config) const { |
| 155 | return fConfigTable[config].fStencilFormatIndex != ConfigInfo::kUnknown_StencilIndex; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Gets the stencil format index for the config. This assumes |
| 160 | * hasStencilFormatBeenDeterminedForConfig has already been checked. Returns a value < 0 if |
| 161 | * no stencil format is supported with the config. Otherwise, returned index refers to the array |
| 162 | * returned by stencilFormats(). |
| 163 | */ |
| 164 | int getStencilFormatIndexForConfig(GrPixelConfig config) const { |
| 165 | SkASSERT(this->hasStencilFormatBeenDeterminedForConfig(config)); |
| 166 | return fConfigTable[config].fStencilFormatIndex; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * If index is >= 0 this records an index into stencilFormats() as the best stencil format for |
| 171 | * the config. If < 0 it records that the config has no supported stencil format index. |
| 172 | */ |
| 173 | void setStencilFormatIndexForConfig(GrPixelConfig config, int index) { |
| 174 | SkASSERT(!this->hasStencilFormatBeenDeterminedForConfig(config)); |
| 175 | if (index < 0) { |
| 176 | fConfigTable[config].fStencilFormatIndex = ConfigInfo::kUnsupported_StencilFormatIndex; |
| 177 | } else { |
| 178 | fConfigTable[config].fStencilFormatIndex = index; |
| 179 | } |
| 180 | } |
| 181 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 182 | /** |
| 183 | * Call to note that a color config has been verified as a valid color |
| 184 | * attachment. This may save future calls to glCheckFramebufferStatus |
| 185 | * using isConfigVerifiedColorAttachment(). |
| 186 | */ |
| 187 | void markConfigAsValidColorAttachment(GrPixelConfig config) { |
bsalomon | 480e8c0 | 2015-12-21 13:44:18 -0800 | [diff] [blame] | 188 | fConfigTable[config].fFlags |= ConfigInfo::kVerifiedColorAttachment_Flag; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Call to check whether a config has been verified as a valid color |
| 193 | * attachment. |
| 194 | */ |
| 195 | bool isConfigVerifiedColorAttachment(GrPixelConfig config) const { |
bsalomon | 480e8c0 | 2015-12-21 13:44:18 -0800 | [diff] [blame] | 196 | return SkToBool(fConfigTable[config].fFlags & ConfigInfo::kVerifiedColorAttachment_Flag); |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | /** |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 200 | * Reports the type of MSAA FBO support. |
| 201 | */ |
| 202 | MSFBOType msFBOType() const { return fMSFBOType; } |
| 203 | |
| 204 | /** |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 205 | * Does the supported MSAA FBO extension have MSAA renderbuffers? |
| 206 | */ |
| 207 | bool usesMSAARenderBuffers() const { |
| 208 | return kNone_MSFBOType != fMSFBOType && |
| 209 | kES_IMG_MsToTexture_MSFBOType != fMSFBOType && |
vbuzinov | dded696 | 2015-06-12 08:59:45 -0700 | [diff] [blame] | 210 | kES_EXT_MsToTexture_MSFBOType != fMSFBOType && |
| 211 | kMixedSamples_MSFBOType != fMSFBOType; |
bsalomon@google.com | 347c382 | 2013-05-01 20:10:01 +0000 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Is the MSAA FBO extension one where the texture is multisampled when bound to an FBO and |
| 216 | * then implicitly resolved when read. |
| 217 | */ |
| 218 | bool usesImplicitMSAAResolve() const { |
| 219 | return kES_IMG_MsToTexture_MSFBOType == fMSFBOType || |
| 220 | kES_EXT_MsToTexture_MSFBOType == fMSFBOType; |
| 221 | } |
| 222 | |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 223 | InvalidateFBType invalidateFBType() const { return fInvalidateFBType; } |
| 224 | |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 225 | /// What type of buffer mapping is supported? |
| 226 | MapBufferType mapBufferType() const { return fMapBufferType; } |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 227 | |
jvanverth | d7a2c1f | 2015-12-07 07:36:44 -0800 | [diff] [blame] | 228 | /// What type of transfer buffer is supported? |
| 229 | TransferBufferType transferBufferType() const { return fTransferBufferType; } |
| 230 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 231 | /// The maximum number of fragment uniform vectors (GLES has min. 16). |
| 232 | int maxFragmentUniformVectors() const { return fMaxFragmentUniformVectors; } |
| 233 | |
commit-bot@chromium.org | a15f7e5 | 2013-06-05 23:29:25 +0000 | [diff] [blame] | 234 | /// maximum number of attribute values per vertex |
bsalomon@google.com | 60da417 | 2012-06-01 19:25:00 +0000 | [diff] [blame] | 235 | int maxVertexAttributes() const { return fMaxVertexAttributes; } |
| 236 | |
commit-bot@chromium.org | a15f7e5 | 2013-06-05 23:29:25 +0000 | [diff] [blame] | 237 | /// maximum number of texture units accessible in the fragment shader. |
| 238 | int maxFragmentTextureUnits() const { return fMaxFragmentTextureUnits; } |
| 239 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 240 | /** |
| 241 | * Depending on the ES extensions present the BGRA external format may |
bsalomon | 41e4384e | 2016-01-08 09:12:44 -0800 | [diff] [blame] | 242 | * correspond to either a BGRA or RGBA internalFormat. On desktop GL it is |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 243 | * RGBA. |
| 244 | */ |
bsalomon | 41e4384e | 2016-01-08 09:12:44 -0800 | [diff] [blame] | 245 | bool bgraIsInternalFormat() const; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 246 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 247 | /// Is there support for GL_UNPACK_ROW_LENGTH |
| 248 | bool unpackRowLengthSupport() const { return fUnpackRowLengthSupport; } |
| 249 | |
| 250 | /// Is there support for GL_UNPACK_FLIP_Y |
| 251 | bool unpackFlipYSupport() const { return fUnpackFlipYSupport; } |
| 252 | |
| 253 | /// Is there support for GL_PACK_ROW_LENGTH |
| 254 | bool packRowLengthSupport() const { return fPackRowLengthSupport; } |
| 255 | |
| 256 | /// Is there support for GL_PACK_REVERSE_ROW_ORDER |
| 257 | bool packFlipYSupport() const { return fPackFlipYSupport; } |
| 258 | |
| 259 | /// Is there support for texture parameter GL_TEXTURE_USAGE |
| 260 | bool textureUsageSupport() const { return fTextureUsageSupport; } |
| 261 | |
| 262 | /// Is there support for glTexStorage |
| 263 | bool texStorageSupport() const { return fTexStorageSupport; } |
| 264 | |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 265 | /// Is there support for GL_RED and GL_R8 |
| 266 | bool textureRedSupport() const { return fTextureRedSupport; } |
| 267 | |
bsalomon@google.com | e76b7cc | 2012-06-18 12:47:06 +0000 | [diff] [blame] | 268 | /// Is GL_ARB_IMAGING supported |
| 269 | bool imagingSupport() const { return fImagingSupport; } |
| 270 | |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 271 | /// Is there support for Vertex Array Objects? |
| 272 | bool vertexArrayObjectSupport() const { return fVertexArrayObjectSupport; } |
| 273 | |
cdalton | 626e1ff | 2015-06-12 13:56:46 -0700 | [diff] [blame] | 274 | /// Is there support for GL_EXT_direct_state_access? |
| 275 | bool directStateAccessSupport() const { return fDirectStateAccessSupport; } |
| 276 | |
| 277 | /// Is there support for GL_KHR_debug? |
| 278 | bool debugSupport() const { return fDebugSupport; } |
| 279 | |
jvanverth | 3f801cb | 2014-12-16 09:49:38 -0800 | [diff] [blame] | 280 | /// Is there support for ES2 compatability? |
| 281 | bool ES2CompatibilitySupport() const { return fES2CompatibilitySupport; } |
| 282 | |
cdalton | d472792 | 2015-11-10 12:49:06 -0800 | [diff] [blame] | 283 | /// Can we call glDisable(GL_MULTISAMPLE)? |
bsalomon | 76148af | 2016-01-12 11:13:47 -0800 | [diff] [blame] | 284 | bool multisampleDisableSupport() const { return fMultisampleDisableSupport; } |
cdalton | d472792 | 2015-11-10 12:49:06 -0800 | [diff] [blame] | 285 | |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 286 | /// Use indices or vertices in CPU arrays rather than VBOs for dynamic content. |
bsalomon | 76148af | 2016-01-12 11:13:47 -0800 | [diff] [blame] | 287 | bool useNonVBOVertexAndIndexDynamicData() const { return fUseNonVBOVertexAndIndexDynamicData; } |
bsalomon@google.com | 96966a5 | 2013-02-21 16:34:21 +0000 | [diff] [blame] | 288 | |
bsalomon | 1aa2029 | 2016-01-22 08:16:09 -0800 | [diff] [blame] | 289 | /// Does ReadPixels support reading readConfig pixels from a FBO that is renderTargetConfig? |
| 290 | bool readPixelsSupported(GrPixelConfig renderTargetConfig, |
bsalomon | 7928ef6 | 2016-01-05 10:26:39 -0800 | [diff] [blame] | 291 | GrPixelConfig readConfig, |
bsalomon | 1aa2029 | 2016-01-22 08:16:09 -0800 | [diff] [blame] | 292 | std::function<void (GrGLenum, GrGLint*)> getIntegerv, |
| 293 | std::function<bool ()> bindRenderTarget) const; |
skia.committer@gmail.com | 631cdcb | 2013-03-01 12:12:55 +0000 | [diff] [blame] | 294 | |
bsalomon@google.com | 2b1b8c0 | 2013-02-28 22:06:02 +0000 | [diff] [blame] | 295 | bool isCoreProfile() const { return fIsCoreProfile; } |
robertphillips@google.com | 1d89c93 | 2012-06-27 19:31:41 +0000 | [diff] [blame] | 296 | |
joshualitt | c1f56b5 | 2015-06-22 12:31:31 -0700 | [diff] [blame] | 297 | bool bindFragDataLocationSupport() const { return fBindFragDataLocationSupport; } |
| 298 | |
joshualitt | 7bdd70a | 2015-10-01 06:28:11 -0700 | [diff] [blame] | 299 | bool bindUniformLocationSupport() const { return fBindUniformLocationSupport; } |
| 300 | |
bsalomon | 7ea33f5 | 2015-11-22 14:51:00 -0800 | [diff] [blame] | 301 | /// Are textures with GL_TEXTURE_EXTERNAL_OES type supported. |
| 302 | bool externalTextureSupport() const { return fExternalTextureSupport; } |
| 303 | |
bsalomon | e5286e0 | 2016-01-14 09:24:09 -0800 | [diff] [blame] | 304 | /// Are textures with GL_TEXTURE_RECTANGLE type supported. |
| 305 | bool rectangleTextureSupport() const { return fRectangleTextureSupport; } |
| 306 | |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 307 | /// GL_ARB_texture_swizzle |
| 308 | bool textureSwizzleSupport() const { return fTextureSwizzleSupport; } |
| 309 | |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 310 | /** |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 311 | * Is there support for enabling/disabling sRGB writes for sRGB-capable color attachments? |
| 312 | * If false this does not mean sRGB is not supported but rather that if it is supported |
| 313 | * it cannot be turned off for configs that support it. |
| 314 | */ |
| 315 | bool srgbWriteControl() const { return fSRGBWriteControl; } |
| 316 | |
| 317 | /** |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 318 | * Returns a string containing the caps info. |
| 319 | */ |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 320 | SkString dump() const override; |
commit-bot@chromium.org | beb8b3a | 2014-04-15 15:37:51 +0000 | [diff] [blame] | 321 | |
bsalomon | 88c7b98 | 2015-07-31 11:20:16 -0700 | [diff] [blame] | 322 | bool rgba8888PixelsOpsAreSlow() const { return fRGBA8888PixelsOpsAreSlow; } |
| 323 | bool partialFBOReadIsSlow() const { return fPartialFBOReadIsSlow; } |
| 324 | |
egdaniel | f529439 | 2015-10-21 07:14:17 -0700 | [diff] [blame] | 325 | const GrGLSLCaps* glslCaps() const { return reinterpret_cast<GrGLSLCaps*>(fShaderCaps.get()); } |
jvanverth | e9c0fc6 | 2015-04-29 11:18:05 -0700 | [diff] [blame] | 326 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 327 | private: |
bsalomon | 76148af | 2016-01-12 11:13:47 -0800 | [diff] [blame] | 328 | enum ExternalFormatUsage { |
| 329 | kTexImage_ExternalFormatUsage, |
| 330 | kOther_ExternalFormatUsage, |
| 331 | |
| 332 | kLast_ExternalFormatUsage = kOther_ExternalFormatUsage |
| 333 | }; |
| 334 | static const int kExternalFormatUsageCnt = kLast_ExternalFormatUsage + 1; |
| 335 | bool getExternalFormat(GrPixelConfig surfaceConfig, GrPixelConfig memoryConfig, |
| 336 | ExternalFormatUsage usage, GrGLenum* externalFormat, |
| 337 | GrGLenum* externalType) const; |
| 338 | |
cdalton | 4cd6713 | 2015-06-10 19:23:46 -0700 | [diff] [blame] | 339 | void init(const GrContextOptions&, const GrGLContextInfo&, const GrGLInterface*); |
egdaniel | 05ded89 | 2015-10-26 07:38:05 -0700 | [diff] [blame] | 340 | void initGLSL(const GrGLContextInfo&); |
kkinnunen | cfe62e3 | 2015-07-01 02:58:50 -0700 | [diff] [blame] | 341 | bool hasPathRenderingSupport(const GrGLContextInfo&, const GrGLInterface*); |
bsalomon | 424cc26 | 2015-05-22 10:37:30 -0700 | [diff] [blame] | 342 | |
egdaniel | b7e7d57 | 2015-11-04 04:23:53 -0800 | [diff] [blame] | 343 | void onApplyOptionsOverrides(const GrContextOptions& options) override; |
| 344 | |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 345 | void initFSAASupport(const GrGLContextInfo&, const GrGLInterface*); |
cdalton | 1dd0542 | 2015-06-12 09:01:18 -0700 | [diff] [blame] | 346 | void initBlendEqationSupport(const GrGLContextInfo&); |
commit-bot@chromium.org | 7388051 | 2013-10-14 15:33:45 +0000 | [diff] [blame] | 347 | void initStencilFormats(const GrGLContextInfo&); |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 348 | // This must be called after initFSAASupport(). |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 349 | void initConfigTable(const GrGLContextInfo&, const GrGLInterface* gli, GrGLSLCaps* glslCaps); |
commit-bot@chromium.org | 42dc813 | 2014-05-27 19:26:59 +0000 | [diff] [blame] | 350 | |
jvanverth | cba99b8 | 2015-06-24 06:59:57 -0700 | [diff] [blame] | 351 | void initShaderPrecisionTable(const GrGLContextInfo& ctxInfo, |
| 352 | const GrGLInterface* intf, |
| 353 | GrGLSLCaps* glslCaps); |
| 354 | |
bsalomon | 1aa2029 | 2016-01-22 08:16:09 -0800 | [diff] [blame] | 355 | GrGLStandard fStandard; |
| 356 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 357 | SkTArray<StencilFormat, true> fStencilFormats; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 358 | |
| 359 | int fMaxFragmentUniformVectors; |
bsalomon@google.com | 60da417 | 2012-06-01 19:25:00 +0000 | [diff] [blame] | 360 | int fMaxVertexAttributes; |
commit-bot@chromium.org | a15f7e5 | 2013-06-05 23:29:25 +0000 | [diff] [blame] | 361 | int fMaxFragmentTextureUnits; |
bsalomon@google.com | 60da417 | 2012-06-01 19:25:00 +0000 | [diff] [blame] | 362 | |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 363 | MSFBOType fMSFBOType; |
commit-bot@chromium.org | 52ffbf6 | 2014-04-02 16:19:33 +0000 | [diff] [blame] | 364 | InvalidateFBType fInvalidateFBType; |
commit-bot@chromium.org | 160b478 | 2014-05-05 12:32:37 +0000 | [diff] [blame] | 365 | MapBufferType fMapBufferType; |
jvanverth | d7a2c1f | 2015-12-07 07:36:44 -0800 | [diff] [blame] | 366 | TransferBufferType fTransferBufferType; |
bsalomon@google.com | 6b0cf02 | 2013-05-03 13:35:14 +0000 | [diff] [blame] | 367 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 368 | bool fUnpackRowLengthSupport : 1; |
| 369 | bool fUnpackFlipYSupport : 1; |
| 370 | bool fPackRowLengthSupport : 1; |
| 371 | bool fPackFlipYSupport : 1; |
| 372 | bool fTextureUsageSupport : 1; |
| 373 | bool fTexStorageSupport : 1; |
robertphillips@google.com | 443e5a5 | 2012-04-30 20:01:21 +0000 | [diff] [blame] | 374 | bool fTextureRedSupport : 1; |
bsalomon@google.com | e76b7cc | 2012-06-18 12:47:06 +0000 | [diff] [blame] | 375 | bool fImagingSupport : 1; |
bsalomon@google.com | 07631cf | 2013-03-05 14:14:58 +0000 | [diff] [blame] | 376 | bool fVertexArrayObjectSupport : 1; |
cdalton | 626e1ff | 2015-06-12 13:56:46 -0700 | [diff] [blame] | 377 | bool fDirectStateAccessSupport : 1; |
| 378 | bool fDebugSupport : 1; |
jvanverth | 3f801cb | 2014-12-16 09:49:38 -0800 | [diff] [blame] | 379 | bool fES2CompatibilitySupport : 1; |
cdalton | d472792 | 2015-11-10 12:49:06 -0800 | [diff] [blame] | 380 | bool fMultisampleDisableSupport : 1; |
bsalomon@google.com | 96966a5 | 2013-02-21 16:34:21 +0000 | [diff] [blame] | 381 | bool fUseNonVBOVertexAndIndexDynamicData : 1; |
bsalomon@google.com | 2b1b8c0 | 2013-02-28 22:06:02 +0000 | [diff] [blame] | 382 | bool fIsCoreProfile : 1; |
joshualitt | c1f56b5 | 2015-06-22 12:31:31 -0700 | [diff] [blame] | 383 | bool fBindFragDataLocationSupport : 1; |
bsalomon | 16921ec | 2015-07-30 15:34:56 -0700 | [diff] [blame] | 384 | bool fSRGBWriteControl : 1; |
bsalomon | 88c7b98 | 2015-07-31 11:20:16 -0700 | [diff] [blame] | 385 | bool fRGBA8888PixelsOpsAreSlow : 1; |
| 386 | bool fPartialFBOReadIsSlow : 1; |
joshualitt | 7bdd70a | 2015-10-01 06:28:11 -0700 | [diff] [blame] | 387 | bool fBindUniformLocationSupport : 1; |
bsalomon | 7ea33f5 | 2015-11-22 14:51:00 -0800 | [diff] [blame] | 388 | bool fExternalTextureSupport : 1; |
bsalomon | e5286e0 | 2016-01-14 09:24:09 -0800 | [diff] [blame] | 389 | bool fRectangleTextureSupport : 1; |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 390 | bool fTextureSwizzleSupport : 1; |
joshualitt | 5816233 | 2014-08-01 06:44:53 -0700 | [diff] [blame] | 391 | |
bsalomon | 7928ef6 | 2016-01-05 10:26:39 -0800 | [diff] [blame] | 392 | /** Number type of the components (with out considering number of bits.) */ |
| 393 | enum FormatType { |
| 394 | kNormalizedFixedPoint_FormatType, |
| 395 | kFloat_FormatType, |
| 396 | }; |
| 397 | |
| 398 | struct ReadPixelsFormat { |
| 399 | ReadPixelsFormat() : fFormat(0), fType(0) {} |
| 400 | GrGLenum fFormat; |
| 401 | GrGLenum fType; |
| 402 | }; |
| 403 | |
bsalomon | 76148af | 2016-01-12 11:13:47 -0800 | [diff] [blame] | 404 | struct ConfigFormats { |
| 405 | ConfigFormats() { |
| 406 | // Inits to known bad GL enum values. |
| 407 | memset(this, 0xAB, sizeof(ConfigFormats)); |
| 408 | } |
| 409 | GrGLenum fBaseInternalFormat; |
| 410 | GrGLenum fSizedInternalFormat; |
| 411 | |
| 412 | /** The external format and type are to be used when uploading/downloading data using this |
| 413 | config where both the CPU data and GrSurface are the same config. To get the external |
| 414 | format and type when converting between configs while copying to/from memory use |
| 415 | getExternalFormat(). |
| 416 | The kTexImage external format is usually the same as kOther except for kSRGBA on some |
| 417 | GL contexts. */ |
| 418 | GrGLenum fExternalFormat[kExternalFormatUsageCnt]; |
| 419 | GrGLenum fExternalType; |
| 420 | |
| 421 | |
| 422 | // Either the base or sized internal format depending on the GL and config. |
| 423 | GrGLenum fInternalFormatTexImage; |
| 424 | GrGLenum fInternalFormatRenderbuffer; |
| 425 | }; |
| 426 | |
bsalomon | 3044737 | 2015-12-21 09:03:05 -0800 | [diff] [blame] | 427 | struct ConfigInfo { |
bsalomon | 7928ef6 | 2016-01-05 10:26:39 -0800 | [diff] [blame] | 428 | ConfigInfo() : fStencilFormatIndex(kUnknown_StencilIndex), fFlags(0) {} |
bsalomon | 3044737 | 2015-12-21 09:03:05 -0800 | [diff] [blame] | 429 | |
| 430 | ConfigFormats fFormats; |
| 431 | |
bsalomon | 7928ef6 | 2016-01-05 10:26:39 -0800 | [diff] [blame] | 432 | FormatType fFormatType; |
| 433 | |
| 434 | // On ES contexts there are restrictions on type type/format that may be used for |
| 435 | // ReadPixels. One is implicitly specified by the current FBO's format. The other is |
| 436 | // queryable. This stores the queried option (lazily). |
| 437 | ReadPixelsFormat fSecondReadPixelsFormat; |
| 438 | |
bsalomon | 3044737 | 2015-12-21 09:03:05 -0800 | [diff] [blame] | 439 | enum { |
| 440 | // This indicates that a stencil format has not yet been determined for the config. |
| 441 | kUnknown_StencilIndex = -1, |
| 442 | // This indicates that there is no supported stencil format for the config. |
| 443 | kUnsupported_StencilFormatIndex = -2 |
| 444 | }; |
bsalomon | 480e8c0 | 2015-12-21 13:44:18 -0800 | [diff] [blame] | 445 | |
| 446 | // Index fStencilFormats. |
| 447 | int fStencilFormatIndex; |
| 448 | |
| 449 | enum { |
bsalomon | 41e4384e | 2016-01-08 09:12:44 -0800 | [diff] [blame] | 450 | kVerifiedColorAttachment_Flag = 0x1, |
| 451 | kTextureable_Flag = 0x2, |
| 452 | kRenderable_Flag = 0x4, |
| 453 | kRenderableWithMSAA_Flag = 0x8, |
bsalomon | 480e8c0 | 2015-12-21 13:44:18 -0800 | [diff] [blame] | 454 | }; |
| 455 | uint32_t fFlags; |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 456 | |
| 457 | GrSwizzle fSwizzle; |
bsalomon | 3044737 | 2015-12-21 09:03:05 -0800 | [diff] [blame] | 458 | }; |
| 459 | |
| 460 | ConfigInfo fConfigTable[kGrPixelConfigCnt]; |
| 461 | |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 462 | typedef GrCaps INHERITED; |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 463 | }; |
| 464 | |
bsalomon@google.com | f7fa806 | 2012-02-14 14:09:57 +0000 | [diff] [blame] | 465 | #endif |