mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | |
Herb Derby | ac04fef | 2017-01-13 17:34:33 -0500 | [diff] [blame] | 8 | #include "SkArenaAlloc.h" |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 9 | #include "SkBlitter.h" |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 10 | #include "SkBlendModePriv.h" |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 11 | #include "SkColor.h" |
| 12 | #include "SkColorFilter.h" |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 13 | #include "SkColorSpaceXformer.h" |
Mike Klein | baaf8ad | 2016-09-29 09:04:15 -0400 | [diff] [blame] | 14 | #include "SkOpts.h" |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 15 | #include "SkPM4f.h" |
Mike Klein | 744908e | 2016-11-11 12:51:36 -0500 | [diff] [blame] | 16 | #include "SkPM4fPriv.h" |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 17 | #include "SkRasterPipeline.h" |
| 18 | #include "SkShader.h" |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 19 | #include "SkShaderBase.h" |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 20 | #include "SkUtils.h" |
Mike Klein | 581e698 | 2017-05-03 13:05:13 -0400 | [diff] [blame] | 21 | #include "../jumper/SkJumper.h" |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 22 | |
Mike Klein | 4e3bc86 | 2017-05-22 20:15:17 +0000 | [diff] [blame] | 23 | class SkRasterPipelineBlitter final : public SkBlitter { |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 24 | public: |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 25 | // This is our common entrypoint for creating the blitter once we've sorted out shaders. |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 26 | static SkBlitter* Create(const SkPixmap&, const SkPaint&, SkArenaAlloc*, |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 27 | const SkRasterPipeline& shaderPipeline, |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 28 | SkShaderBase::Context*, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 29 | bool is_opaque, bool is_constant); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 30 | |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 31 | SkRasterPipelineBlitter(SkPixmap dst, |
| 32 | SkBlendMode blend, |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 33 | SkArenaAlloc* alloc, |
| 34 | SkShaderBase::Context* burstCtx) |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 35 | : fDst(dst) |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 36 | , fBlend(blend) |
Mike Klein | 0a76b41 | 2017-05-22 12:01:59 -0400 | [diff] [blame] | 37 | , fAlloc(alloc) |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 38 | , fBurstCtx(burstCtx) |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 39 | , fColorPipeline(alloc) |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 40 | {} |
| 41 | |
Mike Klein | 34d10d7 | 2017-06-05 07:10:01 -0400 | [diff] [blame] | 42 | void blitH (int x, int y, int w) override; |
| 43 | void blitAntiH (int x, int y, const SkAlpha[], const int16_t[]) override; |
| 44 | void blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) override; |
| 45 | void blitMask (const SkMask&, const SkIRect& clip) override; |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 46 | |
| 47 | // TODO: The default implementations of the other blits look fine, |
| 48 | // but some of them like blitV could probably benefit from custom |
| 49 | // blits using something like a SkRasterPipeline::runFew() method. |
| 50 | |
| 51 | private: |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 52 | void append_load_d(SkRasterPipeline*) const; |
| 53 | void append_blend (SkRasterPipeline*) const; |
| 54 | void maybe_clamp (SkRasterPipeline*) const; |
| 55 | void append_store (SkRasterPipeline*) const; |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 56 | |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 57 | // If we have an burst context, use it to fill our shader buffer. |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 58 | void burst_shade(int x, int y, int w); |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 59 | |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 60 | SkPixmap fDst; |
| 61 | SkBlendMode fBlend; |
| 62 | SkArenaAlloc* fAlloc; |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 63 | SkShaderBase::Context* fBurstCtx; |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 64 | SkRasterPipeline fColorPipeline; |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 65 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 66 | SkJumper_MemoryCtx fShaderOutput = {nullptr,0}, // Possibly updated each call to burst_shade(). |
| 67 | fDstPtr = {nullptr,0}, // Always points to the top-left of fDst. |
| 68 | fMaskPtr = {nullptr,0}; // Updated each call to blitMask(). |
| 69 | |
Mike Klein | 8729e5b | 2017-02-16 06:51:48 -0500 | [diff] [blame] | 70 | // We may be able to specialize blitH() into a memset. |
| 71 | bool fCanMemsetInBlitH = false; |
| 72 | uint64_t fMemsetColor = 0; // Big enough for largest dst format, F16. |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 73 | |
Mike Klein | 8729e5b | 2017-02-16 06:51:48 -0500 | [diff] [blame] | 74 | // Built lazily on first use. |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 75 | std::function<void(size_t, size_t, size_t, size_t)> fBlitH, |
| 76 | fBlitAntiH, |
| 77 | fBlitMaskA8, |
| 78 | fBlitMaskLCD16; |
Mike Klein | 8729e5b | 2017-02-16 06:51:48 -0500 | [diff] [blame] | 79 | |
| 80 | // These values are pointed to by the blit pipelines above, |
| 81 | // which allows us to adjust them from call to call. |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 82 | float fCurrentCoverage = 0.0f; |
| 83 | float fDitherRate = 0.0f; |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 84 | |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 85 | std::vector<SkPM4f> fShaderBuffer; |
| 86 | |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 87 | typedef SkBlitter INHERITED; |
| 88 | }; |
| 89 | |
| 90 | SkBlitter* SkCreateRasterPipelineBlitter(const SkPixmap& dst, |
| 91 | const SkPaint& paint, |
Mike Klein | fb191da | 2016-11-15 13:20:33 -0500 | [diff] [blame] | 92 | const SkMatrix& ctm, |
Matt Sarett | 25834ff | 2017-02-15 15:54:35 -0500 | [diff] [blame] | 93 | SkArenaAlloc* alloc) { |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 94 | SkColorSpace* dstCS = dst.colorSpace(); |
Mike Reed | c91e387 | 2017-07-05 14:12:37 -0400 | [diff] [blame] | 95 | SkPM4f paintColor = SkPM4f_from_SkColor(paint.getColor(), dstCS); |
Florin Malita | 4aed138 | 2017-05-25 10:38:07 -0400 | [diff] [blame] | 96 | auto shader = as_SB(paint.getShader()); |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 97 | |
| 98 | SkRasterPipeline_<256> shaderPipeline; |
| 99 | if (!shader) { |
| 100 | // Having no shader makes things nice and easy... just use the paint color. |
Mike Reed | c91e387 | 2017-07-05 14:12:37 -0400 | [diff] [blame] | 101 | shaderPipeline.append_uniform_color(alloc, paintColor); |
| 102 | bool is_opaque = paintColor.a() == 1.0f, |
Mike Reed | 98b7a6a | 2017-05-26 09:32:22 -0400 | [diff] [blame] | 103 | is_constant = true; |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 104 | return SkRasterPipelineBlitter::Create(dst, paint, alloc, |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 105 | shaderPipeline, nullptr, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 106 | is_opaque, is_constant); |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 107 | } |
| 108 | |
Mike Reed | c91e387 | 2017-07-05 14:12:37 -0400 | [diff] [blame] | 109 | bool is_opaque = shader->isOpaque() && paintColor.a() == 1.0f; |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 110 | bool is_constant = shader->isConstant(); |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 111 | |
| 112 | // Check whether the shader prefers to run in burst mode. |
| 113 | if (auto* burstCtx = shader->makeBurstPipelineContext( |
| 114 | SkShaderBase::ContextRec(paint, ctm, nullptr, SkShaderBase::ContextRec::kPM4f_DstType, |
| 115 | dstCS), alloc)) { |
| 116 | return SkRasterPipelineBlitter::Create(dst, paint, alloc, |
| 117 | shaderPipeline, burstCtx, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 118 | is_opaque, is_constant); |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 119 | } |
| 120 | |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 121 | if (shader->appendStages(&shaderPipeline, dstCS, alloc, ctm, paint)) { |
Mike Reed | c91e387 | 2017-07-05 14:12:37 -0400 | [diff] [blame] | 122 | if (paintColor.a() != 1.0f) { |
| 123 | shaderPipeline.append(SkRasterPipeline::scale_1_float, |
| 124 | alloc->make<float>(paintColor.a())); |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 125 | } |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 126 | return SkRasterPipelineBlitter::Create(dst, paint, alloc, shaderPipeline, nullptr, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 127 | is_opaque, is_constant); |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 128 | } |
| 129 | |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 130 | // The shader has opted out of drawing anything. |
Mike Reed | 6867eee | 2017-06-02 13:25:15 -0400 | [diff] [blame] | 131 | return alloc->make<SkNullBlitter>(); |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | SkBlitter* SkCreateRasterPipelineBlitter(const SkPixmap& dst, |
| 135 | const SkPaint& paint, |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 136 | const SkRasterPipeline& shaderPipeline, |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 137 | bool is_opaque, |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 138 | SkArenaAlloc* alloc) { |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 139 | bool is_constant = false; // If this were the case, it'd be better to just set a paint color. |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 140 | return SkRasterPipelineBlitter::Create(dst, paint, alloc, shaderPipeline, nullptr, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 141 | is_opaque, is_constant); |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 142 | } |
| 143 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 144 | SkBlitter* SkRasterPipelineBlitter::Create(const SkPixmap& dst, |
| 145 | const SkPaint& paint, |
| 146 | SkArenaAlloc* alloc, |
| 147 | const SkRasterPipeline& shaderPipeline, |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 148 | SkShaderBase::Context* burstCtx, |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 149 | bool is_opaque, |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 150 | bool is_constant) { |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 151 | auto blitter = alloc->make<SkRasterPipelineBlitter>(dst, |
| 152 | paint.getBlendMode(), |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 153 | alloc, |
| 154 | burstCtx); |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 155 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 156 | // Our job in this factory is to fill out the blitter's color pipeline. |
| 157 | // This is the common front of the full blit pipelines, each constructed lazily on first use. |
| 158 | // The full blit pipelines handle reading and writing the dst, blending, coverage, dithering. |
| 159 | auto colorPipeline = &blitter->fColorPipeline; |
| 160 | |
Mike Klein | 3b840e9 | 2017-05-23 15:06:17 -0400 | [diff] [blame] | 161 | // Let's get the shader in first. |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 162 | if (burstCtx) { |
| 163 | colorPipeline->append(SkRasterPipeline::load_f32, &blitter->fShaderOutput); |
| 164 | } else { |
| 165 | colorPipeline->extend(shaderPipeline); |
| 166 | } |
Mike Reed | 0264095 | 2017-05-19 15:32:13 -0400 | [diff] [blame] | 167 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 168 | // If there's a color filter it comes next. |
| 169 | if (auto colorFilter = paint.getColorFilter()) { |
| 170 | colorFilter->appendStages(colorPipeline, dst.colorSpace(), alloc, is_opaque); |
mtklein | a4a4488 | 2016-11-04 13:20:07 -0700 | [diff] [blame] | 171 | is_opaque = is_opaque && (colorFilter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag); |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 172 | } |
| 173 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 174 | // Not all formats make sense to dither (think, F16). We set their dither rate to zero. |
| 175 | // We need to decide if we're going to dither now to keep is_constant accurate. |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 176 | if (paint.isDither()) { |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 177 | switch (dst.info().colorType()) { |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 178 | default: blitter->fDitherRate = 0.0f; break; |
Mike Klein | 95d19f3 | 2017-06-15 07:40:24 -0700 | [diff] [blame] | 179 | case kARGB_4444_SkColorType: blitter->fDitherRate = 1/15.0f; break; |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 180 | case kRGB_565_SkColorType: blitter->fDitherRate = 1/63.0f; break; |
Mike Klein | 95d19f3 | 2017-06-15 07:40:24 -0700 | [diff] [blame] | 181 | case kGray_8_SkColorType: |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 182 | case kRGBA_8888_SkColorType: |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 183 | case kBGRA_8888_SkColorType: blitter->fDitherRate = 1/255.0f; break; |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 184 | } |
Mike Reed | eb7dc79 | 2017-06-12 12:48:45 -0400 | [diff] [blame] | 185 | // TODO: for constant colors, we could try to measure the effect of dithering, and if |
| 186 | // it has no value (i.e. all variations result in the same 32bit color, then we |
| 187 | // could disable it (for speed, by not adding the stage). |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 188 | } |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 189 | is_constant = is_constant && (blitter->fDitherRate == 0.0f); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 190 | |
| 191 | // We're logically done here. The code between here and return blitter is all optimization. |
| 192 | |
| 193 | // A pipeline that's still constant here can collapse back into a constant color. |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 194 | if (is_constant) { |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 195 | SkPM4f constantColor; |
| 196 | SkJumper_MemoryCtx constantColorPtr = { &constantColor, 0 }; |
| 197 | colorPipeline->append(SkRasterPipeline::store_f32, &constantColorPtr); |
| 198 | colorPipeline->run(0,0,1,1); |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 199 | colorPipeline->reset(); |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 200 | colorPipeline->append_uniform_color(alloc, constantColor); |
mtklein | a4a4488 | 2016-11-04 13:20:07 -0700 | [diff] [blame] | 201 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 202 | is_opaque = constantColor.a() == 1.0f; |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 203 | } |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 204 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 205 | // We can strength-reduce SrcOver into Src when opaque. |
| 206 | if (is_opaque && blitter->fBlend == SkBlendMode::kSrcOver) { |
| 207 | blitter->fBlend = SkBlendMode::kSrc; |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 210 | // When we're drawing a constant color in Src mode, we can sometimes just memset. |
| 211 | // (The previous two optimizations help find more opportunities for this one.) |
| 212 | if (is_constant && blitter->fBlend == SkBlendMode::kSrc) { |
| 213 | // Run our color pipeline all the way through to produce what we'd memset when we can. |
| 214 | // Not all blits can memset, so we need to keep colorPipeline too. |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 215 | SkRasterPipeline_<256> p; |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 216 | p.extend(*colorPipeline); |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 217 | blitter->fDstPtr = SkJumper_MemoryCtx{&blitter->fMemsetColor, 0}; |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 218 | blitter->append_store(&p); |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 219 | p.run(0,0,1,1); |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 220 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 221 | blitter->fCanMemsetInBlitH = true; |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 222 | } |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 223 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 224 | blitter->fDstPtr = SkJumper_MemoryCtx{ |
| 225 | blitter->fDst.writable_addr(), |
| 226 | blitter->fDst.rowBytesAsPixels(), |
| 227 | }; |
| 228 | |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 229 | return blitter; |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 230 | } |
| 231 | |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 232 | void SkRasterPipelineBlitter::append_load_d(SkRasterPipeline* p) const { |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 233 | switch (fDst.info().colorType()) { |
Mike Reed | 279091e | 2017-06-27 16:58:00 -0400 | [diff] [blame] | 234 | case kGray_8_SkColorType: p->append(SkRasterPipeline::load_g8_dst, &fDstPtr); break; |
| 235 | case kAlpha_8_SkColorType: p->append(SkRasterPipeline::load_a8_dst, &fDstPtr); break; |
| 236 | case kRGB_565_SkColorType: p->append(SkRasterPipeline::load_565_dst, &fDstPtr); break; |
| 237 | case kARGB_4444_SkColorType: p->append(SkRasterPipeline::load_4444_dst, &fDstPtr); break; |
Mike Klein | 111f8a9 | 2017-06-27 15:56:32 -0400 | [diff] [blame] | 238 | case kBGRA_8888_SkColorType: p->append(SkRasterPipeline::load_bgra_dst, &fDstPtr); break; |
Mike Reed | 279091e | 2017-06-27 16:58:00 -0400 | [diff] [blame] | 239 | case kRGBA_8888_SkColorType: p->append(SkRasterPipeline::load_8888_dst, &fDstPtr); break; |
| 240 | case kRGBA_F16_SkColorType: p->append(SkRasterPipeline::load_f16_dst, &fDstPtr); break; |
Mike Klein | 111f8a9 | 2017-06-27 15:56:32 -0400 | [diff] [blame] | 241 | default: break; |
Mike Klein | e03339a | 2016-11-28 13:24:27 -0500 | [diff] [blame] | 242 | } |
| 243 | if (fDst.info().gammaCloseToSRGB()) { |
Mike Reed | 279091e | 2017-06-27 16:58:00 -0400 | [diff] [blame] | 244 | p->append_from_srgb_dst(fDst.info().alphaType()); |
Mike Klein | e03339a | 2016-11-28 13:24:27 -0500 | [diff] [blame] | 245 | } |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 246 | } |
| 247 | |
Mike Klein | 14c8f82 | 2016-11-30 19:39:43 -0500 | [diff] [blame] | 248 | void SkRasterPipelineBlitter::append_store(SkRasterPipeline* p) const { |
Matt Sarett | f388093 | 2017-03-24 10:06:03 -0400 | [diff] [blame] | 249 | if (fDst.info().gammaCloseToSRGB()) { |
Mike Klein | e03339a | 2016-11-28 13:24:27 -0500 | [diff] [blame] | 250 | p->append(SkRasterPipeline::to_srgb); |
| 251 | } |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 252 | if (fDitherRate > 0.0f) { |
Mike Klein | db711c9 | 2017-05-03 17:57:48 -0400 | [diff] [blame] | 253 | // We dither after any sRGB transfer function to make sure our 1/255.0f is sensible |
| 254 | // over the whole range. If we did it before, 1/255.0f is too big a rate near zero. |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 255 | p->append(SkRasterPipeline::dither, &fDitherRate); |
Mike Klein | db711c9 | 2017-05-03 17:57:48 -0400 | [diff] [blame] | 256 | } |
| 257 | |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 258 | switch (fDst.info().colorType()) { |
Mike Klein | 95d19f3 | 2017-06-15 07:40:24 -0700 | [diff] [blame] | 259 | case kGray_8_SkColorType: p->append(SkRasterPipeline::luminance_to_alpha); // fallthru |
Mike Klein | e71b167 | 2017-01-13 07:59:23 -0500 | [diff] [blame] | 260 | case kAlpha_8_SkColorType: p->append(SkRasterPipeline::store_a8, &fDstPtr); break; |
Mike Klein | e03339a | 2016-11-28 13:24:27 -0500 | [diff] [blame] | 261 | case kRGB_565_SkColorType: p->append(SkRasterPipeline::store_565, &fDstPtr); break; |
Mike Klein | 95d19f3 | 2017-06-15 07:40:24 -0700 | [diff] [blame] | 262 | case kARGB_4444_SkColorType: p->append(SkRasterPipeline::store_4444, &fDstPtr); break; |
Mike Klein | 111f8a9 | 2017-06-27 15:56:32 -0400 | [diff] [blame] | 263 | case kBGRA_8888_SkColorType: p->append(SkRasterPipeline::store_bgra, &fDstPtr); break; |
Mike Klein | e03339a | 2016-11-28 13:24:27 -0500 | [diff] [blame] | 264 | case kRGBA_8888_SkColorType: p->append(SkRasterPipeline::store_8888, &fDstPtr); break; |
| 265 | case kRGBA_F16_SkColorType: p->append(SkRasterPipeline::store_f16, &fDstPtr); break; |
mtklein | 8e4373f | 2016-07-22 14:20:27 -0700 | [diff] [blame] | 266 | default: break; |
| 267 | } |
| 268 | } |
| 269 | |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 270 | void SkRasterPipelineBlitter::append_blend(SkRasterPipeline* p) const { |
Mike Reed | 883c9bc | 2017-07-19 10:57:53 -0400 | [diff] [blame] | 271 | if (fDst.info().alphaType() == kUnpremul_SkAlphaType) { |
| 272 | p->append(SkRasterPipeline::premul_dst); |
| 273 | } |
Mike Klein | cb3ceb7 | 2017-06-09 15:58:37 -0400 | [diff] [blame] | 274 | SkBlendMode_AppendStagesNoClamp(fBlend, p); |
Mike Reed | 883c9bc | 2017-07-19 10:57:53 -0400 | [diff] [blame] | 275 | if (fDst.info().alphaType() == kUnpremul_SkAlphaType) { |
| 276 | p->append(SkRasterPipeline::unpremul); |
| 277 | } |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 278 | } |
Mike Klein | e9f74b8 | 2016-10-25 13:31:21 -0400 | [diff] [blame] | 279 | |
Mike Klein | 130863e | 2016-10-27 11:29:36 -0400 | [diff] [blame] | 280 | void SkRasterPipelineBlitter::maybe_clamp(SkRasterPipeline* p) const { |
Mike Klein | cb3ceb7 | 2017-06-09 15:58:37 -0400 | [diff] [blame] | 281 | SkBlendMode_AppendClampIfNeeded(fBlend, p); |
Mike Klein | 130863e | 2016-10-27 11:29:36 -0400 | [diff] [blame] | 282 | } |
| 283 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 284 | void SkRasterPipelineBlitter::burst_shade(int x, int y, int w) { |
| 285 | SkASSERT(fBurstCtx); |
| 286 | if (w > SkToInt(fShaderBuffer.size())) { |
| 287 | fShaderBuffer.resize(w); |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 288 | } |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 289 | fBurstCtx->shadeSpan4f(x,y, fShaderBuffer.data(), w); |
| 290 | // We'll be reading from fShaderOutput.pixels + x, so back up by x. |
| 291 | fShaderOutput = SkJumper_MemoryCtx{ fShaderBuffer.data() - x, 0 }; |
Florin Malita | 47e55a5 | 2017-06-06 12:26:54 -0400 | [diff] [blame] | 292 | } |
| 293 | |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 294 | void SkRasterPipelineBlitter::blitH(int x, int y, int w) { |
Mike Klein | 8729e5b | 2017-02-16 06:51:48 -0500 | [diff] [blame] | 295 | if (fCanMemsetInBlitH) { |
| 296 | switch (fDst.shiftPerPixel()) { |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 297 | case 0: memset (fDst.writable_addr8 (x,y), fMemsetColor, w); return; |
| 298 | case 1: sk_memset16(fDst.writable_addr16(x,y), fMemsetColor, w); return; |
| 299 | case 2: sk_memset32(fDst.writable_addr32(x,y), fMemsetColor, w); return; |
| 300 | case 3: sk_memset64(fDst.writable_addr64(x,y), fMemsetColor, w); return; |
Mike Klein | 8729e5b | 2017-02-16 06:51:48 -0500 | [diff] [blame] | 301 | default: break; |
| 302 | } |
| 303 | } |
| 304 | |
Mike Klein | 0a76b41 | 2017-05-22 12:01:59 -0400 | [diff] [blame] | 305 | if (!fBlitH) { |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 306 | SkRasterPipeline p(fAlloc); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 307 | p.extend(fColorPipeline); |
Mike Klein | 5062626 | 2017-05-25 13:06:57 -0400 | [diff] [blame] | 308 | if (fBlend == SkBlendMode::kSrcOver |
| 309 | && fDst.info().colorType() == kRGBA_8888_SkColorType |
| 310 | && !fDst.colorSpace() |
Mike Reed | 883c9bc | 2017-07-19 10:57:53 -0400 | [diff] [blame] | 311 | && fDst.info().alphaType() != kUnpremul_SkAlphaType |
Mike Klein | 9b10f8f | 2017-06-01 13:11:16 -0400 | [diff] [blame] | 312 | && fDitherRate == 0.0f) { |
Mike Klein | 5062626 | 2017-05-25 13:06:57 -0400 | [diff] [blame] | 313 | p.append(SkRasterPipeline::srcover_rgba_8888, &fDstPtr); |
| 314 | } else { |
| 315 | if (fBlend != SkBlendMode::kSrc) { |
| 316 | this->append_load_d(&p); |
| 317 | this->append_blend(&p); |
| 318 | this->maybe_clamp(&p); |
| 319 | } |
| 320 | this->append_store(&p); |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 321 | } |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 322 | fBlitH = p.compile(); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 323 | } |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 324 | if (fBurstCtx) { |
| 325 | this->burst_shade(x,y,w); |
| 326 | } |
| 327 | fBlitH(x,y,w,1); |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | void SkRasterPipelineBlitter::blitAntiH(int x, int y, const SkAlpha aa[], const int16_t runs[]) { |
Mike Klein | 0a76b41 | 2017-05-22 12:01:59 -0400 | [diff] [blame] | 331 | if (!fBlitAntiH) { |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 332 | SkRasterPipeline p(fAlloc); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 333 | p.extend(fColorPipeline); |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 334 | if (fBlend == SkBlendMode::kSrcOver) { |
Mike Klein | babd93e | 2016-11-30 16:05:10 -0500 | [diff] [blame] | 335 | p.append(SkRasterPipeline::scale_1_float, &fCurrentCoverage); |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 336 | this->append_load_d(&p); |
| 337 | this->append_blend(&p); |
| 338 | } else { |
| 339 | this->append_load_d(&p); |
| 340 | this->append_blend(&p); |
Mike Klein | babd93e | 2016-11-30 16:05:10 -0500 | [diff] [blame] | 341 | p.append(SkRasterPipeline::lerp_1_float, &fCurrentCoverage); |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 342 | } |
Mike Klein | 130863e | 2016-10-27 11:29:36 -0400 | [diff] [blame] | 343 | this->maybe_clamp(&p); |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 344 | this->append_store(&p); |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 345 | fBlitAntiH = p.compile(); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 346 | } |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 347 | |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 348 | for (int16_t run = *runs; run > 0; run = *runs) { |
Mike Klein | aeb7959 | 2016-11-07 09:29:07 -0500 | [diff] [blame] | 349 | switch (*aa) { |
| 350 | case 0x00: break; |
| 351 | case 0xff: this->blitH(x,y,run); break; |
| 352 | default: |
Mike Klein | babd93e | 2016-11-30 16:05:10 -0500 | [diff] [blame] | 353 | fCurrentCoverage = *aa * (1/255.0f); |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 354 | if (fBurstCtx) { |
| 355 | this->burst_shade(x,y,run); |
| 356 | } |
| 357 | fBlitAntiH(x,y,run,1); |
Mike Klein | aeb7959 | 2016-11-07 09:29:07 -0500 | [diff] [blame] | 358 | } |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 359 | x += run; |
| 360 | runs += run; |
| 361 | aa += run; |
| 362 | } |
| 363 | } |
| 364 | |
Mike Klein | 34d10d7 | 2017-06-05 07:10:01 -0400 | [diff] [blame] | 365 | void SkRasterPipelineBlitter::blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) { |
| 366 | SkIRect clip = {x,y, x+2,y+1}; |
| 367 | uint8_t coverage[] = { (uint8_t)a0, (uint8_t)a1 }; |
| 368 | |
| 369 | SkMask mask; |
| 370 | mask.fImage = coverage; |
| 371 | mask.fBounds = clip; |
| 372 | mask.fRowBytes = 2; |
| 373 | mask.fFormat = SkMask::kA8_Format; |
| 374 | |
| 375 | this->blitMask(mask, clip); |
| 376 | } |
| 377 | |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 378 | void SkRasterPipelineBlitter::blitMask(const SkMask& mask, const SkIRect& clip) { |
| 379 | if (mask.fFormat == SkMask::kBW_Format) { |
| 380 | // TODO: native BW masks? |
| 381 | return INHERITED::blitMask(mask, clip); |
| 382 | } |
| 383 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 384 | // Lazily build whichever pipeline we need, specialized for each mask format. |
Mike Klein | 0a76b41 | 2017-05-22 12:01:59 -0400 | [diff] [blame] | 385 | if (mask.fFormat == SkMask::kA8_Format && !fBlitMaskA8) { |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 386 | SkRasterPipeline p(fAlloc); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 387 | p.extend(fColorPipeline); |
Mike Klein | 6686617 | 2016-11-03 12:22:01 -0400 | [diff] [blame] | 388 | if (fBlend == SkBlendMode::kSrcOver) { |
| 389 | p.append(SkRasterPipeline::scale_u8, &fMaskPtr); |
| 390 | this->append_load_d(&p); |
| 391 | this->append_blend(&p); |
| 392 | } else { |
| 393 | this->append_load_d(&p); |
| 394 | this->append_blend(&p); |
| 395 | p.append(SkRasterPipeline::lerp_u8, &fMaskPtr); |
| 396 | } |
Mike Klein | 130863e | 2016-10-27 11:29:36 -0400 | [diff] [blame] | 397 | this->maybe_clamp(&p); |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 398 | this->append_store(&p); |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 399 | fBlitMaskA8 = p.compile(); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 400 | } |
Mike Klein | 0a76b41 | 2017-05-22 12:01:59 -0400 | [diff] [blame] | 401 | if (mask.fFormat == SkMask::kLCD16_Format && !fBlitMaskLCD16) { |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 402 | SkRasterPipeline p(fAlloc); |
Mike Klein | b35cb31 | 2017-05-19 12:01:01 -0400 | [diff] [blame] | 403 | p.extend(fColorPipeline); |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 404 | this->append_load_d(&p); |
| 405 | this->append_blend(&p); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 406 | p.append(SkRasterPipeline::lerp_565, &fMaskPtr); |
Mike Klein | 130863e | 2016-10-27 11:29:36 -0400 | [diff] [blame] | 407 | this->maybe_clamp(&p); |
Mike Klein | e902f8d | 2016-10-26 15:32:26 -0400 | [diff] [blame] | 408 | this->append_store(&p); |
Mike Klein | b24704d | 2017-05-24 07:53:00 -0400 | [diff] [blame] | 409 | fBlitMaskLCD16 = p.compile(); |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 410 | } |
| 411 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 412 | std::function<void(size_t,size_t,size_t,size_t)>* blitter = nullptr; |
| 413 | // Update fMaskPtr to point "into" this current mask, but lined up with fDstPtr at (0,0). |
| 414 | switch (mask.fFormat) { |
| 415 | case SkMask::kA8_Format: |
| 416 | fMaskPtr.stride = mask.fRowBytes; |
| 417 | fMaskPtr.pixels = (uint8_t*)mask.fImage - mask.fBounds.left() |
| 418 | - mask.fBounds.top() * fMaskPtr.stride; |
| 419 | blitter = &fBlitMaskA8; |
| 420 | break; |
| 421 | case SkMask::kLCD16_Format: |
| 422 | fMaskPtr.stride = mask.fRowBytes / 2; |
| 423 | fMaskPtr.pixels = (uint16_t*)mask.fImage - mask.fBounds.left() |
| 424 | - mask.fBounds.top() * fMaskPtr.stride; |
| 425 | blitter = &fBlitMaskLCD16; |
| 426 | break; |
| 427 | default: |
| 428 | return; |
| 429 | } |
Mike Klein | bd3fe47 | 2016-10-25 15:43:46 -0400 | [diff] [blame] | 430 | |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 431 | SkASSERT(blitter); |
| 432 | if (fBurstCtx) { |
| 433 | // We can only burst shade one row at a time. |
| 434 | int x = clip.left(); |
| 435 | for (int y = clip.top(); y < clip.bottom(); y++) { |
| 436 | this->burst_shade(x,y,clip.width()); |
| 437 | (*blitter)(x,y, clip.width(),1); |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 438 | } |
Mike Klein | 45c16fa | 2017-07-18 18:15:13 -0400 | [diff] [blame^] | 439 | } else { |
| 440 | // If not bursting we can blit the entire mask at once. |
| 441 | (*blitter)(clip.left(),clip.top(), clip.width(),clip.height()); |
mtklein | 9a5c47f | 2016-07-22 11:05:04 -0700 | [diff] [blame] | 442 | } |
| 443 | } |