epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2010 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 10 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 11 | #include "SkGr.h" |
| 12 | |
| 13 | /* Fill out buffer with the compressed format Ganesh expects from a colortable |
| 14 | based bitmap. [palette (colortable) + indices]. |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 15 | |
| 16 | At the moment Ganesh only supports 8bit version. If Ganesh allowed we others |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 17 | we could detect that the colortable.count is <= 16, and then repack the |
| 18 | indices as nibbles to save RAM, but it would take more time (i.e. a lot |
| 19 | slower than memcpy), so skipping that for now. |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 20 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 21 | Ganesh wants a full 256 palette entry, even though Skia's ctable is only as big |
| 22 | as the colortable.count says it is. |
| 23 | */ |
| 24 | static void build_compressed_data(void* buffer, const SkBitmap& bitmap) { |
| 25 | SkASSERT(SkBitmap::kIndex8_Config == bitmap.config()); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 26 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 27 | SkAutoLockPixels apl(bitmap); |
| 28 | if (!bitmap.readyToDraw()) { |
tomhudson@google.com | 0c00f21 | 2011-12-28 14:59:50 +0000 | [diff] [blame] | 29 | SkDEBUGFAIL("bitmap not ready to draw!"); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 30 | return; |
| 31 | } |
| 32 | |
| 33 | SkColorTable* ctable = bitmap.getColorTable(); |
| 34 | char* dst = (char*)buffer; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 35 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 36 | memcpy(dst, ctable->lockColors(), ctable->count() * sizeof(SkPMColor)); |
| 37 | ctable->unlockColors(false); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 38 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 39 | // always skip a full 256 number of entries, even if we memcpy'd fewer |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 40 | dst += kGrColorTableSize; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 41 | |
| 42 | if (bitmap.width() == bitmap.rowBytes()) { |
| 43 | memcpy(dst, bitmap.getPixels(), bitmap.getSize()); |
| 44 | } else { |
| 45 | // need to trim off the extra bytes per row |
| 46 | size_t width = bitmap.width(); |
| 47 | size_t rowBytes = bitmap.rowBytes(); |
| 48 | const char* src = (const char*)bitmap.getPixels(); |
| 49 | for (int y = 0; y < bitmap.height(); y++) { |
| 50 | memcpy(dst, src, width); |
| 51 | src += rowBytes; |
| 52 | dst += width; |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | //////////////////////////////////////////////////////////////////////////////// |
| 58 | |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame^] | 59 | static GrContext::TextureCacheEntry sk_gr_create_bitmap_texture(GrContext* ctx, |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 60 | uint64_t key, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 61 | const GrSamplerState* sampler, |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 62 | const SkBitmap& origBitmap) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 63 | SkAutoLockPixels alp(origBitmap); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 64 | GrContext::TextureCacheEntry entry; |
| 65 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 66 | if (!origBitmap.readyToDraw()) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 67 | return entry; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | SkBitmap tmpBitmap; |
| 71 | |
| 72 | const SkBitmap* bitmap = &origBitmap; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 73 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 74 | GrTextureDesc desc; |
| 75 | desc.fWidth = bitmap->width(); |
| 76 | desc.fHeight = bitmap->height(); |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame^] | 77 | desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap->config()); |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 78 | desc.fClientCacheID = key; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 79 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 80 | if (SkBitmap::kIndex8_Config == bitmap->config()) { |
| 81 | // build_compressed_data doesn't do npot->pot expansion |
| 82 | // and paletted textures can't be sub-updated |
| 83 | if (ctx->supportsIndex8PixelConfig(sampler, |
| 84 | bitmap->width(), bitmap->height())) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 85 | size_t imagesize = bitmap->width() * bitmap->height() + |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 86 | kGrColorTableSize; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 87 | SkAutoMalloc storage(imagesize); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 88 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 89 | build_compressed_data(storage.get(), origBitmap); |
| 90 | |
| 91 | // our compressed data will be trimmed, so pass width() for its |
| 92 | // "rowBytes", since they are the same now. |
junov@google.com | 4ee7ae5 | 2011-06-30 17:30:49 +0000 | [diff] [blame] | 93 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 94 | if (kUncached_CacheID != key) { |
| 95 | return ctx->createAndLockTexture(sampler, desc, storage.get(), |
junov@google.com | 4ee7ae5 | 2011-06-30 17:30:49 +0000 | [diff] [blame] | 96 | bitmap->width()); |
| 97 | } else { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 98 | entry = ctx->lockScratchTexture(desc, |
| 99 | GrContext::kExact_ScratchTexMatch); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 100 | entry.texture()->writePixels(0, 0, bitmap->width(), |
| 101 | bitmap->height(), desc.fConfig, |
| 102 | storage.get(), 0); |
junov@google.com | 4ee7ae5 | 2011-06-30 17:30:49 +0000 | [diff] [blame] | 103 | return entry; |
| 104 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 105 | |
| 106 | } else { |
| 107 | origBitmap.copyTo(&tmpBitmap, SkBitmap::kARGB_8888_Config); |
| 108 | // now bitmap points to our temp, which has been promoted to 32bits |
| 109 | bitmap = &tmpBitmap; |
| 110 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 111 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 112 | |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame^] | 113 | desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap->config()); |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 114 | if (kUncached_CacheID != key) { |
| 115 | return ctx->createAndLockTexture(sampler, desc, |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 116 | bitmap->getPixels(), |
| 117 | bitmap->rowBytes()); |
junov@google.com | 4ee7ae5 | 2011-06-30 17:30:49 +0000 | [diff] [blame] | 118 | } else { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 119 | entry = ctx->lockScratchTexture(desc, |
| 120 | GrContext::kExact_ScratchTexMatch); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 121 | entry.texture()->writePixels(0, 0, |
| 122 | bitmap->width(), bitmap->height(), |
| 123 | desc.fConfig, |
| 124 | bitmap->getPixels(), |
| 125 | bitmap->rowBytes()); |
junov@google.com | 4ee7ae5 | 2011-06-30 17:30:49 +0000 | [diff] [blame] | 126 | return entry; |
| 127 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 128 | } |
| 129 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 130 | /////////////////////////////////////////////////////////////////////////////// |
| 131 | |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame^] | 132 | GrContext::TextureCacheEntry GrLockCachedBitmapTexture(GrContext* ctx, |
| 133 | const SkBitmap& bitmap, const GrSamplerState* sampler) { |
| 134 | GrContext::TextureCacheEntry entry; |
| 135 | |
| 136 | if (!bitmap.isVolatile()) { |
| 137 | uint64_t key = bitmap.getGenerationID(); |
| 138 | key |= ((uint64_t) bitmap.pixelRefOffset()) << 32; |
| 139 | |
| 140 | GrTextureDesc desc; |
| 141 | desc.fWidth = bitmap.width(); |
| 142 | desc.fHeight = bitmap.height(); |
| 143 | desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); |
| 144 | desc.fClientCacheID = key; |
| 145 | |
| 146 | entry = ctx->findAndLockTexture(desc, sampler); |
| 147 | if (NULL == entry.texture()) { |
| 148 | entry = sk_gr_create_bitmap_texture(ctx, key, sampler, |
| 149 | bitmap); |
| 150 | } |
| 151 | } else { |
| 152 | entry = sk_gr_create_bitmap_texture(ctx, kUncached_CacheID, |
| 153 | sampler, bitmap); |
| 154 | } |
| 155 | if (NULL == entry.texture()) { |
| 156 | GrPrintf("---- failed to create texture for cache [%d %d]\n", |
| 157 | bitmap.width(), bitmap.height()); |
| 158 | } |
| 159 | return entry; |
| 160 | } |
| 161 | |
| 162 | void GrUnlockCachedBitmapTexture(GrContext* ctx, GrContext::TextureCacheEntry cache) { |
| 163 | ctx->unlockTexture(cache); |
| 164 | } |
| 165 | |
| 166 | /////////////////////////////////////////////////////////////////////////////// |
| 167 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 168 | void SkGrClipIterator::reset(const SkClipStack& clipStack) { |
| 169 | fClipStack = &clipStack; |
| 170 | fIter.reset(clipStack); |
| 171 | // Gr has no notion of replace, skip to the |
| 172 | // last replace in the clip stack. |
| 173 | int lastReplace = 0; |
| 174 | int curr = 0; |
| 175 | while (NULL != (fCurr = fIter.next())) { |
| 176 | if (SkRegion::kReplace_Op == fCurr->fOp) { |
| 177 | lastReplace = curr; |
| 178 | } |
| 179 | ++curr; |
| 180 | } |
| 181 | fIter.reset(clipStack); |
| 182 | for (int i = 0; i < lastReplace+1; ++i) { |
| 183 | fCurr = fIter.next(); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | GrClipType SkGrClipIterator::getType() const { |
| 188 | GrAssert(!this->isDone()); |
scroggo | 7b11807 | 2011-03-23 15:04:26 +0000 | [diff] [blame] | 189 | if (NULL == fCurr->fPath) { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 190 | return kRect_ClipType; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 191 | } else { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 192 | return kPath_ClipType; |
| 193 | } |
| 194 | } |
| 195 | |
robertphillips@google.com | 0f191f3 | 2012-04-25 15:23:36 +0000 | [diff] [blame] | 196 | SkRegion::Op SkGrClipIterator::getOp() const { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 197 | // we skipped to the last "replace" op |
| 198 | // when this iter was reset. |
| 199 | // GrClip doesn't allow replace, so treat it as |
| 200 | // intersect. |
robertphillips@google.com | 0f191f3 | 2012-04-25 15:23:36 +0000 | [diff] [blame] | 201 | if (SkRegion::kReplace_Op == fCurr->fOp) { |
| 202 | return SkRegion::kIntersect_Op; |
| 203 | } |
| 204 | |
| 205 | return fCurr->fOp; |
| 206 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 207 | } |
| 208 | |
robertphillips@google.com | fa1d291 | 2012-04-16 14:49:14 +0000 | [diff] [blame] | 209 | bool SkGrClipIterator::getDoAA() const { |
| 210 | return fCurr->fDoAA; |
| 211 | } |
| 212 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 213 | GrPathFill SkGrClipIterator::getPathFill() const { |
| 214 | switch (fCurr->fPath->getFillType()) { |
| 215 | case SkPath::kWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 216 | return kWinding_GrPathFill; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 217 | case SkPath::kEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 218 | return kEvenOdd_GrPathFill; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 219 | case SkPath::kInverseWinding_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 220 | return kInverseWinding_GrPathFill; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 221 | case SkPath::kInverseEvenOdd_FillType: |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 222 | return kInverseEvenOdd_GrPathFill; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 223 | default: |
| 224 | GrCrash("Unsupported path fill in clip."); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 225 | return kWinding_GrPathFill; // suppress warning |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 226 | } |
| 227 | } |
| 228 | |
| 229 | /////////////////////////////////////////////////////////////////////////////// |
| 230 | |
rileya@google.com | 24f3ad1 | 2012-07-18 21:47:40 +0000 | [diff] [blame^] | 231 | GrPixelConfig SkBitmapConfig2GrPixelConfig(SkBitmap::Config config) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 232 | switch (config) { |
| 233 | case SkBitmap::kA8_Config: |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 234 | return kAlpha_8_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 235 | case SkBitmap::kIndex8_Config: |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 236 | return kIndex_8_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 237 | case SkBitmap::kRGB_565_Config: |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 238 | return kRGB_565_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 239 | case SkBitmap::kARGB_4444_Config: |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 240 | return kRGBA_4444_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 241 | case SkBitmap::kARGB_8888_Config: |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 242 | return kSkia8888_PM_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 243 | default: |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 244 | // kNo_Config, kA1_Config missing, and kRLE_Index8_Config |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 245 | return kUnknown_GrPixelConfig; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 246 | } |
| 247 | } |
| 248 | |