reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2011 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. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 8 | #ifndef GrGpu_DEFINED |
| 9 | #define GrGpu_DEFINED |
| 10 | |
egdaniel | 066df7c | 2016-06-08 14:02:27 -0700 | [diff] [blame] | 11 | #include "GrGpuCommandBuffer.h" |
joshualitt | 79f8fae | 2014-10-28 17:59:26 -0700 | [diff] [blame] | 12 | #include "GrProgramDesc.h" |
bsalomon | 6c9cd55 | 2016-01-22 07:17:34 -0800 | [diff] [blame] | 13 | #include "GrSwizzle.h" |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 14 | #include "GrAllocator.h" |
Brian Osman | e8e5458 | 2016-11-28 10:06:27 -0500 | [diff] [blame] | 15 | #include "GrTextureProducer.h" |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 16 | #include "GrTypes.h" |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 17 | #include "GrXferProcessor.h" |
Robert Phillips | e3302df | 2017-04-24 07:31:02 -0400 | [diff] [blame] | 18 | #include "instanced/InstancedRendering.h" |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 19 | #include "SkPath.h" |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 20 | #include "SkTArray.h" |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 21 | #include <map> |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 22 | |
Greg Daniel | bcf612b | 2017-05-01 13:50:58 +0000 | [diff] [blame] | 23 | class GrBackendRenderTarget; |
Greg Daniel | a5cb781 | 2017-06-16 09:45:32 -0400 | [diff] [blame] | 24 | class GrBackendSemaphore; |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 25 | class GrBuffer; |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 26 | class GrContext; |
robertphillips | 28a838e | 2016-06-23 14:07:00 -0700 | [diff] [blame] | 27 | struct GrContextOptions; |
reed | f9ad558 | 2015-06-25 21:29:25 -0700 | [diff] [blame] | 28 | class GrGLContext; |
Chris Dalton | bca46e2 | 2017-05-15 11:03:26 -0600 | [diff] [blame] | 29 | class GrMesh; |
bsalomon@google.com | 64aef2b | 2012-06-11 15:36:13 +0000 | [diff] [blame] | 30 | class GrPath; |
cdalton | b85a0aa | 2014-07-21 15:32:44 -0700 | [diff] [blame] | 31 | class GrPathRange; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 32 | class GrPathRenderer; |
| 33 | class GrPathRendererChain; |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 34 | class GrPathRendering; |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 35 | class GrPipeline; |
joshualitt | 873ad0e | 2015-01-20 09:08:51 -0800 | [diff] [blame] | 36 | class GrPrimitiveProcessor; |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 37 | class GrRenderTarget; |
Greg Daniel | 6be3523 | 2017-03-01 17:01:09 -0500 | [diff] [blame] | 38 | class GrSemaphore; |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 39 | class GrStencilAttachment; |
cdalton | 93a379b | 2016-05-11 13:58:08 -0700 | [diff] [blame] | 40 | class GrStencilSettings; |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 41 | class GrSurface; |
| 42 | class GrTexture; |
Brian Osman | 71a1889 | 2017-08-10 10:23:25 -0400 | [diff] [blame] | 43 | class SkJSONWriter; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 44 | |
Robert Phillips | e3302df | 2017-04-24 07:31:02 -0400 | [diff] [blame] | 45 | namespace gr_instanced { |
| 46 | class InstancedOp; |
| 47 | class InstancedRendering; |
| 48 | class OpAllocator; |
| 49 | } |
csmartdalton | a7f2964 | 2016-07-07 08:49:11 -0700 | [diff] [blame] | 50 | |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 51 | class GrGpu : public SkRefCnt { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 52 | public: |
| 53 | /** |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 54 | * Create an instance of GrGpu that matches the specified backend. If the requested backend is |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 55 | * not supported (at compile-time or run-time) this returns nullptr. The context will not be |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 56 | * fully constructed and should not be used by GrGpu until after this function returns. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 57 | */ |
bsalomon | 682c269 | 2015-05-22 14:01:46 -0700 | [diff] [blame] | 58 | static GrGpu* Create(GrBackend, GrBackendContext, const GrContextOptions&, GrContext* context); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 59 | |
| 60 | //////////////////////////////////////////////////////////////////////////// |
| 61 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 62 | GrGpu(GrContext* context); |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 63 | ~GrGpu() override; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 64 | |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 65 | GrContext* getContext() { return fContext; } |
| 66 | const GrContext* getContext() const { return fContext; } |
| 67 | |
| 68 | /** |
| 69 | * Gets the capabilities of the draw target. |
| 70 | */ |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 71 | const GrCaps* caps() const { return fCaps.get(); } |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 72 | |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 73 | GrPathRendering* pathRendering() { return fPathRendering.get(); } |
kkinnunen | ccdaa04 | 2014-08-20 01:36:23 -0700 | [diff] [blame] | 74 | |
bsalomon | 6e2aad4 | 2016-04-01 11:54:31 -0700 | [diff] [blame] | 75 | enum class DisconnectType { |
| 76 | // No cleanup should be attempted, immediately cease making backend API calls |
| 77 | kAbandon, |
| 78 | // Free allocated resources (not known by GrResourceCache) before returning and |
| 79 | // ensure no backend backend 3D API calls will be made after disconnect() returns. |
| 80 | kCleanup, |
| 81 | }; |
| 82 | |
| 83 | // Called by GrContext when the underlying backend context is already or will be destroyed |
| 84 | // before GrContext. |
| 85 | virtual void disconnect(DisconnectType); |
bsalomon | c8dc1f7 | 2014-08-21 13:02:13 -0700 | [diff] [blame] | 86 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 87 | /** |
| 88 | * The GrGpu object normally assumes that no outsider is setting state |
| 89 | * within the underlying 3D API's context/device/whatever. This call informs |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 90 | * the GrGpu that the state was modified and it shouldn't make assumptions |
| 91 | * about the state. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 92 | */ |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 93 | void markContextDirty(uint32_t state = kAll_GrBackendState) { fResetBits |= state; } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 94 | |
| 95 | /** |
bsalomon | 6d467ec | 2014-11-18 07:36:19 -0800 | [diff] [blame] | 96 | * Creates a texture object. If kRenderTarget_GrSurfaceFlag the texture can |
| 97 | * be used as a render target by calling GrTexture::asRenderTarget(). Not all |
| 98 | * pixel configs can be used as render targets. Support for configs as textures |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 99 | * or render targets can be checked using GrCaps. |
bsalomon@google.com | 1da0746 | 2011-03-10 14:51:57 +0000 | [diff] [blame] | 100 | * |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 101 | * @param desc describes the texture to be created. |
bsalomon | 5236cf4 | 2015-01-14 10:42:08 -0800 | [diff] [blame] | 102 | * @param budgeted does this texture count against the resource cache budget? |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 103 | * @param texels array of mipmap levels containing texel data to load. |
| 104 | * Each level begins with full-size palette data for paletted textures. |
Robert Phillips | 92de631 | 2017-05-23 07:43:48 -0400 | [diff] [blame] | 105 | * It contains width*height texels. If there is only one |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 106 | * element and it contains nullptr fPixels, texture data is |
| 107 | * uninitialized. |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 108 | * @param mipLevelCount the number of levels in 'texels' |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 109 | * @return The texture object if successful, otherwise nullptr. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 110 | */ |
Robert Phillips | 16d8ec6 | 2017-07-27 16:16:25 -0400 | [diff] [blame] | 111 | sk_sp<GrTexture> createTexture(const GrSurfaceDesc&, SkBudgeted, |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 112 | const GrMipLevel texels[], int mipLevelCount); |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 113 | |
| 114 | /** |
bsalomon | e699d0c | 2016-03-09 06:25:15 -0800 | [diff] [blame] | 115 | * Simplified createTexture() interface for when there is no initial texel data to upload. |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 116 | */ |
Robert Phillips | 16d8ec6 | 2017-07-27 16:16:25 -0400 | [diff] [blame] | 117 | sk_sp<GrTexture> createTexture(const GrSurfaceDesc& desc, SkBudgeted); |
bsalomon | e699d0c | 2016-03-09 06:25:15 -0800 | [diff] [blame] | 118 | |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 119 | /** |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 120 | * Implements GrResourceProvider::wrapBackendTexture |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 121 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 122 | sk_sp<GrTexture> wrapBackendTexture(const GrBackendTexture&, GrSurfaceOrigin, GrWrapOwnership); |
Brian Salomon | d17f658 | 2017-07-19 18:28:58 -0400 | [diff] [blame] | 123 | |
| 124 | /** |
| 125 | * Implements GrResourceProvider::wrapRenderableBackendTexture |
| 126 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 127 | sk_sp<GrTexture> wrapRenderableBackendTexture(const GrBackendTexture&, GrSurfaceOrigin, |
Brian Salomon | d17f658 | 2017-07-19 18:28:58 -0400 | [diff] [blame] | 128 | int sampleCnt, GrWrapOwnership); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 129 | |
| 130 | /** |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 131 | * Implements GrResourceProvider::wrapBackendRenderTarget |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 132 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 133 | sk_sp<GrRenderTarget> wrapBackendRenderTarget(const GrBackendRenderTarget&, GrSurfaceOrigin); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 134 | |
| 135 | /** |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 136 | * Implements GrResourceProvider::wrapBackendTextureAsRenderTarget |
ericrk | f7b8b8a | 2016-02-24 14:49:51 -0800 | [diff] [blame] | 137 | */ |
Greg Daniel | 7ef28f3 | 2017-04-20 16:41:55 +0000 | [diff] [blame] | 138 | sk_sp<GrRenderTarget> wrapBackendTextureAsRenderTarget(const GrBackendTexture&, |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 139 | GrSurfaceOrigin, |
Greg Daniel | 7ef28f3 | 2017-04-20 16:41:55 +0000 | [diff] [blame] | 140 | int sampleCnt); |
ericrk | f7b8b8a | 2016-02-24 14:49:51 -0800 | [diff] [blame] | 141 | |
| 142 | /** |
csmartdalton | 485a120 | 2016-07-13 10:16:32 -0700 | [diff] [blame] | 143 | * Creates a buffer in GPU memory. For a client-side buffer use GrBuffer::CreateCPUBacked. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 144 | * |
cdalton | e2e71c2 | 2016-04-07 18:13:29 -0700 | [diff] [blame] | 145 | * @param size size of buffer to create. |
| 146 | * @param intendedType hint to the graphics subsystem about what the buffer will be used for. |
| 147 | * @param accessPattern hint to the graphics subsystem about how the data will be accessed. |
cdalton | 1bf3e71 | 2016-04-19 10:00:02 -0700 | [diff] [blame] | 148 | * @param data optional data with which to initialize the buffer. |
cdalton | e2e71c2 | 2016-04-07 18:13:29 -0700 | [diff] [blame] | 149 | * |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 150 | * @return the buffer if successful, otherwise nullptr. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 151 | */ |
cdalton | 1bf3e71 | 2016-04-19 10:00:02 -0700 | [diff] [blame] | 152 | GrBuffer* createBuffer(size_t size, GrBufferType intendedType, GrAccessPattern accessPattern, |
| 153 | const void* data = nullptr); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 154 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 155 | /** |
csmartdalton | a7f2964 | 2016-07-07 08:49:11 -0700 | [diff] [blame] | 156 | * Creates an instanced rendering object if it is supported on this platform. |
| 157 | */ |
Robert Phillips | e3302df | 2017-04-24 07:31:02 -0400 | [diff] [blame] | 158 | std::unique_ptr<gr_instanced::OpAllocator> createInstancedRenderingAllocator(); |
csmartdalton | e0d3629 | 2016-07-29 08:14:20 -0700 | [diff] [blame] | 159 | gr_instanced::InstancedRendering* createInstancedRendering(); |
csmartdalton | a7f2964 | 2016-07-07 08:49:11 -0700 | [diff] [blame] | 160 | |
| 161 | /** |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 162 | * Resolves MSAA. |
| 163 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 164 | void resolveRenderTarget(GrRenderTarget* target); |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 165 | |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 166 | /** Info struct returned by getReadPixelsInfo about performing intermediate draws before |
bsalomon | 3982602 | 2015-07-23 08:07:21 -0700 | [diff] [blame] | 167 | reading pixels for performance or correctness. */ |
| 168 | struct ReadPixelTempDrawInfo { |
| 169 | /** If the GrGpu is requesting that the caller do a draw to an intermediate surface then |
| 170 | this is descriptor for the temp surface. The draw should always be a rect with |
| 171 | dst 0,0,w,h. */ |
| 172 | GrSurfaceDesc fTempSurfaceDesc; |
| 173 | /** Indicates whether there is a performance advantage to using an exact match texture |
| 174 | (in terms of width and height) for the intermediate texture instead of approximate. */ |
bsalomon | b117ff1 | 2016-07-19 07:24:40 -0700 | [diff] [blame] | 175 | SkBackingFit fTempSurfaceFit; |
bsalomon | 6c9cd55 | 2016-01-22 07:17:34 -0800 | [diff] [blame] | 176 | /** Swizzle to apply during the draw. This is used to compensate for either feature or |
| 177 | performance limitations in the underlying 3D API. */ |
| 178 | GrSwizzle fSwizzle; |
| 179 | /** The config that should be used to read from the temp surface after the draw. This may be |
| 180 | different than the original read config in order to compensate for swizzling. The |
| 181 | read data will effectively be in the original read config. */ |
| 182 | GrPixelConfig fReadConfig; |
bsalomon | 3982602 | 2015-07-23 08:07:21 -0700 | [diff] [blame] | 183 | }; |
bsalomon | 6c9cd55 | 2016-01-22 07:17:34 -0800 | [diff] [blame] | 184 | |
bsalomon | 3982602 | 2015-07-23 08:07:21 -0700 | [diff] [blame] | 185 | /** Describes why an intermediate draw must/should be performed before readPixels. */ |
| 186 | enum DrawPreference { |
| 187 | /** On input means that the caller would proceed without draw if the GrGpu doesn't request |
| 188 | one. |
| 189 | On output means that the GrGpu is not requesting a draw. */ |
| 190 | kNoDraw_DrawPreference, |
| 191 | /** Means that the client would prefer a draw for performance of the readback but |
| 192 | can satisfy a straight readPixels call on the inputs without an intermediate draw. |
| 193 | getReadPixelsInfo will never set the draw preference to this value but may leave |
| 194 | it set. */ |
| 195 | kCallerPrefersDraw_DrawPreference, |
| 196 | /** On output means that GrGpu would prefer a draw for performance of the readback but |
| 197 | can satisfy a straight readPixels call on the inputs without an intermediate draw. The |
| 198 | caller of getReadPixelsInfo should never specify this on intput. */ |
| 199 | kGpuPrefersDraw_DrawPreference, |
| 200 | /** On input means that the caller requires a draw to do a transformation and there is no |
| 201 | CPU fallback. |
| 202 | On output means that GrGpu can only satisfy the readPixels request if the intermediate |
| 203 | draw is performed. |
| 204 | */ |
| 205 | kRequireDraw_DrawPreference |
| 206 | }; |
| 207 | |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 208 | /** |
| 209 | * Used to negotiate whether and how an intermediate draw should or must be performed before |
| 210 | * a readPixels call. If this returns false then GrGpu could not deduce an intermediate draw |
| 211 | * that would allow a successful readPixels call. The passed width, height, and rowBytes, |
| 212 | * must be non-zero and already reflect clipping to the src bounds. |
| 213 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 214 | bool getReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes, |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 215 | GrPixelConfig readConfig, DrawPreference*, ReadPixelTempDrawInfo*); |
| 216 | |
cblume | 6121405 | 2016-01-26 09:10:48 -0800 | [diff] [blame] | 217 | /** Info struct returned by getWritePixelsInfo about performing an intermediate draw in order |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 218 | to write pixels to a GrSurface for either performance or correctness reasons. */ |
| 219 | struct WritePixelTempDrawInfo { |
| 220 | /** If the GrGpu is requesting that the caller upload to an intermediate surface and draw |
| 221 | that to the dst then this is the descriptor for the intermediate surface. The caller |
| 222 | should upload the pixels such that the upper left pixel of the upload rect is at 0,0 in |
| 223 | the intermediate surface.*/ |
| 224 | GrSurfaceDesc fTempSurfaceDesc; |
bsalomon | 6c9cd55 | 2016-01-22 07:17:34 -0800 | [diff] [blame] | 225 | /** Swizzle to apply during the draw. This is used to compensate for either feature or |
| 226 | performance limitations in the underlying 3D API. */ |
| 227 | GrSwizzle fSwizzle; |
| 228 | /** The config that should be specified when uploading the *original* data to the temp |
| 229 | surface before the draw. This may be different than the original src data config in |
| 230 | order to compensate for swizzling that will occur when drawing. */ |
| 231 | GrPixelConfig fWriteConfig; |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 232 | }; |
bsalomon | 3982602 | 2015-07-23 08:07:21 -0700 | [diff] [blame] | 233 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 234 | /** |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 235 | * Used to negotiate whether and how an intermediate surface should be used to write pixels to |
| 236 | * a GrSurface. If this returns false then GrGpu could not deduce an intermediate draw |
| 237 | * that would allow a successful transfer of the src pixels to the dst. The passed width, |
| 238 | * height, and rowBytes, must be non-zero and already reflect clipping to the dst bounds. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 239 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 240 | bool getWritePixelsInfo(GrSurface* dstSurface, int width, int height, |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 241 | GrPixelConfig srcConfig, DrawPreference*, WritePixelTempDrawInfo*); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 242 | |
| 243 | /** |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 244 | * Reads a rectangle of pixels from a render target. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 245 | * |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 246 | * @param surface The surface to read from |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 247 | * @param left left edge of the rectangle to read (inclusive) |
| 248 | * @param top top edge of the rectangle to read (inclusive) |
| 249 | * @param width width of rectangle to read in pixels. |
| 250 | * @param height height of rectangle to read in pixels. |
| 251 | * @param config the pixel config of the destination buffer |
| 252 | * @param buffer memory to read the rectangle into. |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 253 | * @param rowBytes the number of bytes between consecutive rows. Zero |
| 254 | * means rows are tightly packed. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 255 | * @param invertY buffer should be populated bottom-to-top as opposed |
| 256 | * to top-to-bottom (skia's usual order) |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 257 | * |
| 258 | * @return true if the read succeeded, false if not. The read can fail |
| 259 | * because of a unsupported pixel config or because no render |
| 260 | * target is currently set. |
| 261 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 262 | bool readPixels(GrSurface* surface, |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 263 | int left, int top, int width, int height, |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 264 | GrPixelConfig config, void* buffer, size_t rowBytes); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 265 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 266 | /** |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 267 | * Updates the pixels in a rectangle of a surface. |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 268 | * |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 269 | * @param surface The surface to write to. |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 270 | * @param left left edge of the rectangle to write (inclusive) |
| 271 | * @param top top edge of the rectangle to write (inclusive) |
| 272 | * @param width width of rectangle to write in pixels. |
| 273 | * @param height height of rectangle to write in pixels. |
| 274 | * @param config the pixel config of the source buffer |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 275 | * @param texels array of mipmap levels containing texture data |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 276 | * @param mipLevelCount number of levels in 'texels' |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 277 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 278 | bool writePixels(GrSurface* surface, |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 279 | int left, int top, int width, int height, |
| 280 | GrPixelConfig config, |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 281 | const GrMipLevel texels[], int mipLevelCount); |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 282 | |
| 283 | /** |
| 284 | * This function is a shim which creates a SkTArray<GrMipLevel> of size 1. |
| 285 | * It then calls writePixels with that SkTArray. |
| 286 | * |
| 287 | * @param buffer memory to read pixels from. |
| 288 | * @param rowBytes number of bytes between consecutive rows. Zero |
| 289 | * means rows are tightly packed. |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 290 | */ |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 291 | bool writePixels(GrSurface* surface, |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 292 | int left, int top, int width, int height, |
| 293 | GrPixelConfig config, const void* buffer, |
| 294 | size_t rowBytes); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 295 | |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 296 | /** |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 297 | * Updates the pixels in a rectangle of a texture using a buffer |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 298 | * |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 299 | * There are a couple of assumptions here. First, we only update the top miplevel. |
| 300 | * And second, that any y flip needed has already been done in the buffer. |
| 301 | * |
| 302 | * @param texture The texture to write to. |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 303 | * @param left left edge of the rectangle to write (inclusive) |
| 304 | * @param top top edge of the rectangle to write (inclusive) |
| 305 | * @param width width of rectangle to write in pixels. |
| 306 | * @param height height of rectangle to write in pixels. |
| 307 | * @param config the pixel config of the source buffer |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 308 | * @param transferBuffer GrBuffer to read pixels from (type must be "kXferCpuToGpu") |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 309 | * @param offset offset from the start of the buffer |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 310 | * @param rowBytes number of bytes between consecutive rows in the buffer. Zero |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 311 | * means rows are tightly packed. |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 312 | */ |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 313 | bool transferPixels(GrTexture* texture, |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 314 | int left, int top, int width, int height, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 315 | GrPixelConfig config, GrBuffer* transferBuffer, |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 316 | size_t offset, size_t rowBytes); |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 317 | |
bsalomon@google.com | 80d09b9 | 2011-11-05 21:21:13 +0000 | [diff] [blame] | 318 | // After the client interacts directly with the 3D context state the GrGpu |
| 319 | // must resync its internal state and assumptions about 3D context state. |
| 320 | // Each time this occurs the GrGpu bumps a timestamp. |
| 321 | // state of the 3D context |
| 322 | // At 10 resets / frame and 60fps a 64bit timestamp will overflow in about |
| 323 | // a billion years. |
| 324 | typedef uint64_t ResetTimestamp; |
| 325 | |
| 326 | // This timestamp is always older than the current timestamp |
| 327 | static const ResetTimestamp kExpiredTimestamp = 0; |
| 328 | // Returns a timestamp based on the number of times the context was reset. |
| 329 | // This timestamp can be used to lazily detect when cached 3D context state |
| 330 | // is dirty. |
bsalomon | 6d467ec | 2014-11-18 07:36:19 -0800 | [diff] [blame] | 331 | ResetTimestamp getResetTimestamp() const { return fResetTimestamp; } |
bsalomon@google.com | 80d09b9 | 2011-11-05 21:21:13 +0000 | [diff] [blame] | 332 | |
bsalomon | f90a02b | 2014-11-26 12:28:00 -0800 | [diff] [blame] | 333 | // Called to perform a surface to surface copy. Fallbacks to issuing a draw from the src to dst |
Robert Phillips | f2361d2 | 2016-10-25 14:20:06 -0400 | [diff] [blame] | 334 | // take place at the GrOpList level and this function implement faster copy paths. The rect |
bsalomon | f90a02b | 2014-11-26 12:28:00 -0800 | [diff] [blame] | 335 | // and point are pre-clipped. The src rect and implied dst rect are guaranteed to be within the |
| 336 | // src/dst bounds and non-empty. |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 337 | bool copySurface(GrSurface* dst, |
| 338 | GrSurface* src, |
joshualitt | 1cbdcde | 2015-08-21 11:53:29 -0700 | [diff] [blame] | 339 | const SkIRect& srcRect, |
| 340 | const SkIPoint& dstPoint); |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 341 | |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 342 | struct MultisampleSpecs { |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 343 | MultisampleSpecs(uint8_t uniqueID, int effectiveSampleCnt, const SkPoint* locations) |
| 344 | : fUniqueID(uniqueID), |
| 345 | fEffectiveSampleCnt(effectiveSampleCnt), |
| 346 | fSampleLocations(locations) {} |
| 347 | |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 348 | // Nonzero ID that uniquely identifies these multisample specs. |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 349 | uint8_t fUniqueID; |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 350 | // The actual number of samples the GPU will run. NOTE: this value can be greater than the |
| 351 | // the render target's sample count. |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 352 | int fEffectiveSampleCnt; |
| 353 | // If sample locations are supported, points to the subpixel locations at which the GPU will |
| 354 | // sample. Pixel center is at (.5, .5), and (0, 0) indicates the top left corner. |
| 355 | const SkPoint* fSampleLocations; |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 356 | }; |
| 357 | |
csmartdalton | c633abb | 2016-11-01 08:55:55 -0700 | [diff] [blame] | 358 | // Finds a render target's multisample specs. The pipeline is only needed in case we need to |
| 359 | // flush the draw state prior to querying multisample info. The pipeline is not expected to |
csmartdalton | c25c5d7 | 2016-11-01 07:03:59 -0700 | [diff] [blame] | 360 | // affect the multisample information itself. |
csmartdalton | c633abb | 2016-11-01 08:55:55 -0700 | [diff] [blame] | 361 | const MultisampleSpecs& queryMultisampleSpecs(const GrPipeline&); |
csmartdalton | c25c5d7 | 2016-11-01 07:03:59 -0700 | [diff] [blame] | 362 | |
| 363 | // Finds the multisample specs with a given unique id. |
| 364 | const MultisampleSpecs& getMultisampleSpecs(uint8_t uniqueID) { |
| 365 | SkASSERT(uniqueID > 0 && uniqueID < fMultisampleSpecs.count()); |
| 366 | return fMultisampleSpecs[uniqueID]; |
| 367 | } |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 368 | |
Greg Daniel | 500d58b | 2017-08-24 15:59:33 -0400 | [diff] [blame^] | 369 | // Creates a GrGpuRTCommandBuffer which GrOpLists send draw commands to instead of directly |
| 370 | // to the Gpu object. |
| 371 | virtual GrGpuRTCommandBuffer* createCommandBuffer( |
Robert Phillips | 9521447 | 2017-08-08 18:00:03 -0400 | [diff] [blame] | 372 | GrRenderTarget*, GrSurfaceOrigin, |
Greg Daniel | 500d58b | 2017-08-24 15:59:33 -0400 | [diff] [blame^] | 373 | const GrGpuRTCommandBuffer::LoadAndStoreInfo&, |
| 374 | const GrGpuRTCommandBuffer::StencilLoadAndStoreInfo&) = 0; |
| 375 | |
| 376 | // Creates a GrGpuTextureCommandBuffer which GrOpLists send texture commands to instead of |
| 377 | // directly to the Gpu object. |
| 378 | virtual GrGpuTextureCommandBuffer* createCommandBuffer(GrTexture*, GrSurfaceOrigin) = 0; |
bsalomon | 3e79124 | 2014-12-17 13:43:13 -0800 | [diff] [blame] | 379 | |
Robert Phillips | 18e9484 | 2017-05-15 13:06:44 -0400 | [diff] [blame] | 380 | // Called by GrDrawingManager when flushing. |
Greg Daniel | 5131678 | 2017-08-02 15:10:09 +0000 | [diff] [blame] | 381 | // Provides a hook for post-flush actions (e.g. Vulkan command buffer submits). This will also |
| 382 | // insert any numSemaphore semaphores on the gpu and set the backendSemaphores to match the |
| 383 | // inserted semaphores. |
| 384 | GrSemaphoresSubmitted finishFlush(int numSemaphores, GrBackendSemaphore backendSemaphores[]); |
ethannicholas | 2279325 | 2016-01-30 09:59:10 -0800 | [diff] [blame] | 385 | |
Greg Daniel | 6be3523 | 2017-03-01 17:01:09 -0500 | [diff] [blame] | 386 | virtual GrFence SK_WARN_UNUSED_RESULT insertFence() = 0; |
| 387 | virtual bool waitFence(GrFence, uint64_t timeout = 1000) = 0; |
jvanverth | 84741b3 | 2016-09-30 08:39:02 -0700 | [diff] [blame] | 388 | virtual void deleteFence(GrFence) const = 0; |
| 389 | |
Greg Daniel | a5cb781 | 2017-06-16 09:45:32 -0400 | [diff] [blame] | 390 | virtual sk_sp<GrSemaphore> SK_WARN_UNUSED_RESULT makeSemaphore(bool isOwned = true) = 0; |
| 391 | virtual sk_sp<GrSemaphore> wrapBackendSemaphore(const GrBackendSemaphore& semaphore, |
| 392 | GrWrapOwnership ownership) = 0; |
Brian Osman | dc87c95 | 2017-04-28 13:57:38 -0400 | [diff] [blame] | 393 | virtual void insertSemaphore(sk_sp<GrSemaphore> semaphore, bool flush = false) = 0; |
Greg Daniel | 6be3523 | 2017-03-01 17:01:09 -0500 | [diff] [blame] | 394 | virtual void waitSemaphore(sk_sp<GrSemaphore> semaphore) = 0; |
| 395 | |
Brian Osman | 13dddce | 2017-05-09 13:19:50 -0400 | [diff] [blame] | 396 | /** |
| 397 | * Put this texture in a safe and known state for use across multiple GrContexts. Depending on |
| 398 | * the backend, this may return a GrSemaphore. If so, other contexts should wait on that |
| 399 | * semaphore before using this texture. |
| 400 | */ |
| 401 | virtual sk_sp<GrSemaphore> prepareTextureForCrossContextUsage(GrTexture*) = 0; |
| 402 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 403 | /////////////////////////////////////////////////////////////////////////// |
| 404 | // Debugging and Stats |
| 405 | |
| 406 | class Stats { |
| 407 | public: |
| 408 | #if GR_GPU_STATS |
| 409 | Stats() { this->reset(); } |
| 410 | |
bsalomon | b12ea41 | 2015-02-02 21:19:50 -0800 | [diff] [blame] | 411 | void reset() { |
| 412 | fRenderTargetBinds = 0; |
| 413 | fShaderCompilations = 0; |
| 414 | fTextureCreates = 0; |
| 415 | fTextureUploads = 0; |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 416 | fTransfersToTexture = 0; |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 417 | fStencilAttachmentCreates = 0; |
joshualitt | 87a5c9f | 2015-09-08 13:42:05 -0700 | [diff] [blame] | 418 | fNumDraws = 0; |
bsalomon | 1d417a8 | 2016-03-23 11:50:26 -0700 | [diff] [blame] | 419 | fNumFailedDraws = 0; |
bsalomon | b12ea41 | 2015-02-02 21:19:50 -0800 | [diff] [blame] | 420 | } |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 421 | |
| 422 | int renderTargetBinds() const { return fRenderTargetBinds; } |
| 423 | void incRenderTargetBinds() { fRenderTargetBinds++; } |
| 424 | int shaderCompilations() const { return fShaderCompilations; } |
| 425 | void incShaderCompilations() { fShaderCompilations++; } |
bsalomon | b12ea41 | 2015-02-02 21:19:50 -0800 | [diff] [blame] | 426 | int textureCreates() const { return fTextureCreates; } |
| 427 | void incTextureCreates() { fTextureCreates++; } |
| 428 | int textureUploads() const { return fTextureUploads; } |
| 429 | void incTextureUploads() { fTextureUploads++; } |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 430 | int transfersToTexture() const { return fTransfersToTexture; } |
| 431 | void incTransfersToTexture() { fTransfersToTexture++; } |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 432 | void incStencilAttachmentCreates() { fStencilAttachmentCreates++; } |
joshualitt | 87a5c9f | 2015-09-08 13:42:05 -0700 | [diff] [blame] | 433 | void incNumDraws() { fNumDraws++; } |
bsalomon | 1d417a8 | 2016-03-23 11:50:26 -0700 | [diff] [blame] | 434 | void incNumFailedDraws() { ++fNumFailedDraws; } |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 435 | void dump(SkString*); |
joshualitt | e45c81c | 2015-12-02 09:05:37 -0800 | [diff] [blame] | 436 | void dumpKeyValuePairs(SkTArray<SkString>* keys, SkTArray<double>* values); |
bsalomon | 1d417a8 | 2016-03-23 11:50:26 -0700 | [diff] [blame] | 437 | int numDraws() const { return fNumDraws; } |
| 438 | int numFailedDraws() const { return fNumFailedDraws; } |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 439 | private: |
| 440 | int fRenderTargetBinds; |
| 441 | int fShaderCompilations; |
bsalomon | b12ea41 | 2015-02-02 21:19:50 -0800 | [diff] [blame] | 442 | int fTextureCreates; |
| 443 | int fTextureUploads; |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 444 | int fTransfersToTexture; |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 445 | int fStencilAttachmentCreates; |
joshualitt | 87a5c9f | 2015-09-08 13:42:05 -0700 | [diff] [blame] | 446 | int fNumDraws; |
bsalomon | 1d417a8 | 2016-03-23 11:50:26 -0700 | [diff] [blame] | 447 | int fNumFailedDraws; |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 448 | #else |
joshualitt | e45c81c | 2015-12-02 09:05:37 -0800 | [diff] [blame] | 449 | void dump(SkString*) {} |
| 450 | void dumpKeyValuePairs(SkTArray<SkString>*, SkTArray<double>*) {} |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 451 | void incRenderTargetBinds() {} |
| 452 | void incShaderCompilations() {} |
bsalomon | b12ea41 | 2015-02-02 21:19:50 -0800 | [diff] [blame] | 453 | void incTextureCreates() {} |
| 454 | void incTextureUploads() {} |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 455 | void incTransfersToTexture() {} |
egdaniel | 8dc7c3a | 2015-04-16 11:22:42 -0700 | [diff] [blame] | 456 | void incStencilAttachmentCreates() {} |
joshualitt | 87a5c9f | 2015-09-08 13:42:05 -0700 | [diff] [blame] | 457 | void incNumDraws() {} |
bsalomon | 1d417a8 | 2016-03-23 11:50:26 -0700 | [diff] [blame] | 458 | void incNumFailedDraws() {} |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 459 | #endif |
| 460 | }; |
| 461 | |
| 462 | Stats* stats() { return &fStats; } |
Brian Osman | 71a1889 | 2017-08-10 10:23:25 -0400 | [diff] [blame] | 463 | void dumpJSON(SkJSONWriter*) const; |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 464 | |
bsalomon | 67d7620 | 2015-11-11 12:40:42 -0800 | [diff] [blame] | 465 | /** Creates a texture directly in the backend API without wrapping it in a GrTexture. This is |
| 466 | only to be used for testing (particularly for testing the methods that import an externally |
| 467 | created texture into Skia. Must be matched with a call to deleteTestingOnlyTexture(). */ |
jvanverth | 8895792 | 2015-07-14 11:02:52 -0700 | [diff] [blame] | 468 | virtual GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h, |
egdaniel | 0a3a7f7 | 2016-06-24 09:22:31 -0700 | [diff] [blame] | 469 | GrPixelConfig config, |
| 470 | bool isRenderTarget = false) = 0; |
bsalomon | 67d7620 | 2015-11-11 12:40:42 -0800 | [diff] [blame] | 471 | /** Check a handle represents an actual texture in the backend API that has not been freed. */ |
| 472 | virtual bool isTestingOnlyBackendTexture(GrBackendObject) const = 0; |
| 473 | /** If ownership of the backend texture has been transferred pass true for abandonTexture. This |
| 474 | will do any necessary cleanup of the handle without freeing the texture in the backend |
| 475 | API. */ |
| 476 | virtual void deleteTestingOnlyBackendTexture(GrBackendObject, |
bsalomon | e63ffef | 2016-02-05 07:17:34 -0800 | [diff] [blame] | 477 | bool abandonTexture = false) = 0; |
jvanverth | 672bb7f | 2015-07-13 07:19:57 -0700 | [diff] [blame] | 478 | |
egdaniel | ec00d94 | 2015-09-14 12:56:10 -0700 | [diff] [blame] | 479 | // width and height may be larger than rt (if underlying API allows it). |
| 480 | // Returns nullptr if compatible sb could not be created, otherwise the caller owns the ref on |
| 481 | // the GrStencilAttachment. |
| 482 | virtual GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*, |
| 483 | int width, |
| 484 | int height) = 0; |
| 485 | // clears target's entire stencil buffer to 0 |
Robert Phillips | 9521447 | 2017-08-08 18:00:03 -0400 | [diff] [blame] | 486 | virtual void clearStencil(GrRenderTarget* target, int clearValue) = 0; |
bsalomon | 6bc1b5f | 2015-02-23 09:06:38 -0800 | [diff] [blame] | 487 | |
bsalomon | e179a91 | 2016-01-20 06:18:10 -0800 | [diff] [blame] | 488 | // Determines whether a texture will need to be rescaled in order to be used with the |
Brian Salomon | 514baff | 2016-11-17 15:17:07 -0500 | [diff] [blame] | 489 | // GrSamplerParams. This variation is called when the caller will create a new texture using the |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 490 | // resource provider from a non-texture src (cpu-backed image, ...). |
Robert Phillips | 81444fb | 2017-03-21 09:14:35 -0400 | [diff] [blame] | 491 | bool isACopyNeededForTextureParams(int width, int height, const GrSamplerParams&, |
| 492 | GrTextureProducer::CopyParams*, |
| 493 | SkScalar scaleAdjust[2]) const; |
bsalomon | e179a91 | 2016-01-20 06:18:10 -0800 | [diff] [blame] | 494 | |
| 495 | // Like the above but this variation should be called when the caller is not creating the |
| 496 | // original texture but rather was handed the original texture. It adds additional checks |
| 497 | // relevant to original textures that were created external to Skia via |
Brian Osman | 32342f0 | 2017-03-04 08:12:46 -0500 | [diff] [blame] | 498 | // GrResourceProvider::wrap methods. |
Robert Phillips | 3798c86 | 2017-03-27 11:08:16 -0400 | [diff] [blame] | 499 | bool isACopyNeededForTextureParams(GrTextureProxy* proxy, const GrSamplerParams& params, |
Robert Phillips | 81444fb | 2017-03-21 09:14:35 -0400 | [diff] [blame] | 500 | GrTextureProducer::CopyParams* copyParams, |
| 501 | SkScalar scaleAdjust[2]) const { |
Robert Phillips | 3798c86 | 2017-03-27 11:08:16 -0400 | [diff] [blame] | 502 | if (this->isACopyNeededForTextureParams(proxy->width(), proxy->height(), params, |
Robert Phillips | 81444fb | 2017-03-21 09:14:35 -0400 | [diff] [blame] | 503 | copyParams, scaleAdjust)) { |
bsalomon | e179a91 | 2016-01-20 06:18:10 -0800 | [diff] [blame] | 504 | return true; |
| 505 | } |
Robert Phillips | 3798c86 | 2017-03-27 11:08:16 -0400 | [diff] [blame] | 506 | return this->onIsACopyNeededForTextureParams(proxy, params, copyParams, scaleAdjust); |
bsalomon | e179a91 | 2016-01-20 06:18:10 -0800 | [diff] [blame] | 507 | } |
bsalomon | 045802d | 2015-10-20 07:58:01 -0700 | [diff] [blame] | 508 | |
jvanverth | 672bb7f | 2015-07-13 07:19:57 -0700 | [diff] [blame] | 509 | // This is only to be used in GL-specific tests. |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 510 | virtual const GrGLContext* glContextForTesting() const { return nullptr; } |
bsalomon | 993a421 | 2015-05-29 11:37:25 -0700 | [diff] [blame] | 511 | |
joshualitt | 8fd844f | 2015-12-02 13:36:47 -0800 | [diff] [blame] | 512 | // This is only to be used by testing code |
| 513 | virtual void resetShaderCacheForTesting() const {} |
| 514 | |
egdaniel | 9cb6340 | 2016-06-23 08:37:05 -0700 | [diff] [blame] | 515 | void handleDirtyContext() { |
| 516 | if (fResetBits) { |
| 517 | this->resetContext(); |
| 518 | } |
| 519 | } |
| 520 | |
joshualitt | d53a827 | 2014-11-10 16:03:14 -0800 | [diff] [blame] | 521 | protected: |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 522 | static void ElevateDrawPreference(GrGpu::DrawPreference* preference, |
| 523 | GrGpu::DrawPreference elevation) { |
| 524 | GR_STATIC_ASSERT(GrGpu::kCallerPrefersDraw_DrawPreference > GrGpu::kNoDraw_DrawPreference); |
| 525 | GR_STATIC_ASSERT(GrGpu::kGpuPrefersDraw_DrawPreference > |
| 526 | GrGpu::kCallerPrefersDraw_DrawPreference); |
| 527 | GR_STATIC_ASSERT(GrGpu::kRequireDraw_DrawPreference > |
| 528 | GrGpu::kGpuPrefersDraw_DrawPreference); |
| 529 | *preference = SkTMax(*preference, elevation); |
| 530 | } |
| 531 | |
jvanverth | 900bd4a | 2016-04-29 13:53:12 -0700 | [diff] [blame] | 532 | // Handles cases where a surface will be updated without a call to flushRenderTarget |
| 533 | void didWriteToSurface(GrSurface* surface, const SkIRect* bounds, uint32_t mipLevels = 1) const; |
| 534 | |
Ben Wagner | 145dbcd | 2016-11-03 14:40:50 -0400 | [diff] [blame] | 535 | Stats fStats; |
| 536 | std::unique_ptr<GrPathRendering> fPathRendering; |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 537 | // Subclass must initialize this in its constructor. |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 538 | sk_sp<const GrCaps> fCaps; |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 539 | |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 540 | typedef SkTArray<SkPoint, true> SamplePattern; |
| 541 | |
bsalomon@google.com | 02ddc8b | 2013-01-28 15:35:28 +0000 | [diff] [blame] | 542 | private: |
bsalomon@google.com | b635d39 | 2011-11-05 12:47:43 +0000 | [diff] [blame] | 543 | // called when the 3D context state is unknown. Subclass should emit any |
bsalomon@google.com | c8f7f47 | 2012-06-18 13:44:51 +0000 | [diff] [blame] | 544 | // assumed 3D context state and dirty any state cache. |
bsalomon@google.com | 0a208a1 | 2013-06-28 18:57:35 +0000 | [diff] [blame] | 545 | virtual void onResetContext(uint32_t resetBits) = 0; |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 546 | |
bsalomon | cb02b38 | 2015-08-12 11:14:50 -0700 | [diff] [blame] | 547 | // Called before certain draws in order to guarantee coherent results from dst reads. |
| 548 | virtual void xferBarrier(GrRenderTarget*, GrXferBarrierType) = 0; |
| 549 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 550 | // overridden by backend-specific derived class to create objects. |
egdaniel | b0e1be2 | 2015-04-22 13:27:39 -0700 | [diff] [blame] | 551 | // Texture size and sample size will have already been validated in base class before |
Robert Phillips | 92de631 | 2017-05-23 07:43:48 -0400 | [diff] [blame] | 552 | // onCreateTexture is called. |
Robert Phillips | 16d8ec6 | 2017-07-27 16:16:25 -0400 | [diff] [blame] | 553 | virtual sk_sp<GrTexture> onCreateTexture(const GrSurfaceDesc&, SkBudgeted, |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 554 | const GrMipLevel texels[], |
| 555 | int mipLevelCount) = 0; |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 556 | |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 557 | virtual sk_sp<GrTexture> onWrapBackendTexture(const GrBackendTexture&, |
| 558 | GrSurfaceOrigin, |
| 559 | GrWrapOwnership) = 0; |
Brian Salomon | d17f658 | 2017-07-19 18:28:58 -0400 | [diff] [blame] | 560 | virtual sk_sp<GrTexture> onWrapRenderableBackendTexture(const GrBackendTexture&, |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 561 | GrSurfaceOrigin, |
Brian Salomon | d17f658 | 2017-07-19 18:28:58 -0400 | [diff] [blame] | 562 | int sampleCnt, |
| 563 | GrWrapOwnership) = 0; |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 564 | virtual sk_sp<GrRenderTarget> onWrapBackendRenderTarget(const GrBackendRenderTarget&, |
| 565 | GrSurfaceOrigin) = 0; |
Greg Daniel | 7ef28f3 | 2017-04-20 16:41:55 +0000 | [diff] [blame] | 566 | virtual sk_sp<GrRenderTarget> onWrapBackendTextureAsRenderTarget(const GrBackendTexture&, |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 567 | GrSurfaceOrigin, |
| 568 | int sampleCnt)=0; |
cdalton | 1bf3e71 | 2016-04-19 10:00:02 -0700 | [diff] [blame] | 569 | virtual GrBuffer* onCreateBuffer(size_t size, GrBufferType intendedType, GrAccessPattern, |
| 570 | const void* data) = 0; |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 571 | |
csmartdalton | e0d3629 | 2016-07-29 08:14:20 -0700 | [diff] [blame] | 572 | virtual gr_instanced::InstancedRendering* onCreateInstancedRendering() = 0; |
Robert Phillips | e3302df | 2017-04-24 07:31:02 -0400 | [diff] [blame] | 573 | virtual std::unique_ptr<gr_instanced::OpAllocator> onCreateInstancedRenderingAllocator() { |
| 574 | return nullptr; |
| 575 | } |
csmartdalton | e0d3629 | 2016-07-29 08:14:20 -0700 | [diff] [blame] | 576 | |
Robert Phillips | 3798c86 | 2017-03-27 11:08:16 -0400 | [diff] [blame] | 577 | virtual bool onIsACopyNeededForTextureParams(GrTextureProxy* proxy, const GrSamplerParams&, |
Robert Phillips | 81444fb | 2017-03-21 09:14:35 -0400 | [diff] [blame] | 578 | GrTextureProducer::CopyParams*, |
| 579 | SkScalar scaleAdjust[2]) const { |
| 580 | return false; |
| 581 | } |
bsalomon | e179a91 | 2016-01-20 06:18:10 -0800 | [diff] [blame] | 582 | |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 583 | virtual bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 584 | size_t rowBytes, GrPixelConfig readConfig, DrawPreference*, |
| 585 | ReadPixelTempDrawInfo*) = 0; |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 586 | virtual bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height, |
bsalomon | f067451 | 2015-07-28 13:26:15 -0700 | [diff] [blame] | 587 | GrPixelConfig srcConfig, DrawPreference*, |
| 588 | WritePixelTempDrawInfo*) = 0; |
| 589 | |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 590 | // overridden by backend-specific derived class to perform the surface read |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 591 | virtual bool onReadPixels(GrSurface*, |
egdaniel | 6d901da | 2015-07-30 12:02:15 -0700 | [diff] [blame] | 592 | int left, int top, |
| 593 | int width, int height, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 594 | GrPixelConfig, |
| 595 | void* buffer, |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 596 | size_t rowBytes) = 0; |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 597 | |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 598 | // overridden by backend-specific derived class to perform the surface write |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 599 | virtual bool onWritePixels(GrSurface*, |
bsalomon | 6cb3cbe | 2015-07-30 07:34:27 -0700 | [diff] [blame] | 600 | int left, int top, int width, int height, |
cblume | 55f2d2d | 2016-02-26 13:20:48 -0800 | [diff] [blame] | 601 | GrPixelConfig config, |
Robert Phillips | 590533f | 2017-07-11 14:22:35 -0400 | [diff] [blame] | 602 | const GrMipLevel texels[], int mipLevelCount) = 0; |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 603 | |
Jim Van Verth | 2e5eaf0 | 2017-06-21 15:55:46 -0400 | [diff] [blame] | 604 | // overridden by backend-specific derived class to perform the texture transfer |
| 605 | virtual bool onTransferPixels(GrTexture*, |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 606 | int left, int top, int width, int height, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 607 | GrPixelConfig config, GrBuffer* transferBuffer, |
jvanverth | 17aa047 | 2016-01-05 10:41:27 -0800 | [diff] [blame] | 608 | size_t offset, size_t rowBytes) = 0; |
| 609 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 610 | // overridden by backend-specific derived class to perform the resolve |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 611 | virtual void onResolveRenderTarget(GrRenderTarget* target) = 0; |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 612 | |
joshualitt | 1cbdcde | 2015-08-21 11:53:29 -0700 | [diff] [blame] | 613 | // overridden by backend specific derived class to perform the copy surface |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 614 | virtual bool onCopySurface(GrSurface* dst, |
| 615 | GrSurface* src, |
| 616 | const SkIRect& srcRect, |
| 617 | const SkIPoint& dstPoint) = 0; |
joshualitt | 1cbdcde | 2015-08-21 11:53:29 -0700 | [diff] [blame] | 618 | |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 619 | // overridden by backend specific derived class to perform the multisample queries |
Robert Phillips | 7294b85 | 2017-08-01 13:51:44 +0000 | [diff] [blame] | 620 | virtual void onQueryMultisampleSpecs(GrRenderTarget*, const GrStencilSettings&, |
csmartdalton | c25c5d7 | 2016-11-01 07:03:59 -0700 | [diff] [blame] | 621 | int* effectiveSampleCnt, SamplePattern*) = 0; |
cdalton | 28f45b9 | 2016-03-07 13:58:26 -0800 | [diff] [blame] | 622 | |
Greg Daniel | 5131678 | 2017-08-02 15:10:09 +0000 | [diff] [blame] | 623 | virtual void onFinishFlush(bool insertedSemaphores) = 0; |
| 624 | |
Brian Osman | 71a1889 | 2017-08-10 10:23:25 -0400 | [diff] [blame] | 625 | virtual void onDumpJSON(SkJSONWriter*) const {} |
| 626 | |
bsalomon@google.com | b635d39 | 2011-11-05 12:47:43 +0000 | [diff] [blame] | 627 | void resetContext() { |
bsalomon@google.com | 0a208a1 | 2013-06-28 18:57:35 +0000 | [diff] [blame] | 628 | this->onResetContext(fResetBits); |
| 629 | fResetBits = 0; |
bsalomon@google.com | b635d39 | 2011-11-05 12:47:43 +0000 | [diff] [blame] | 630 | ++fResetTimestamp; |
| 631 | } |
| 632 | |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 633 | struct SamplePatternComparator { |
| 634 | bool operator()(const SamplePattern&, const SamplePattern&) const; |
| 635 | }; |
| 636 | |
| 637 | typedef std::map<SamplePattern, uint8_t, SamplePatternComparator> MultisampleSpecsIdMap; |
| 638 | |
| 639 | ResetTimestamp fResetTimestamp; |
| 640 | uint32_t fResetBits; |
| 641 | MultisampleSpecsIdMap fMultisampleSpecsIdMap; |
| 642 | SkSTArray<1, MultisampleSpecs, true> fMultisampleSpecs; |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 643 | // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu. |
csmartdalton | 0d28e57 | 2016-07-06 09:59:43 -0700 | [diff] [blame] | 644 | GrContext* fContext; |
bsalomon@google.com | 02ddc8b | 2013-01-28 15:35:28 +0000 | [diff] [blame] | 645 | |
kkinnunen | cabe20c | 2015-06-01 01:37:26 -0700 | [diff] [blame] | 646 | friend class GrPathRendering; |
Robert Phillips | e3302df | 2017-04-24 07:31:02 -0400 | [diff] [blame] | 647 | friend class gr_instanced::InstancedOp; // for xferBarrier |
joshualitt | 3322fa4 | 2014-11-07 08:48:51 -0800 | [diff] [blame] | 648 | typedef SkRefCnt INHERITED; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 649 | }; |
| 650 | |
| 651 | #endif |