reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2010 Google Inc. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | #include "GrDrawTarget.h" |
| 19 | #include "GrGpuVertex.h" |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 20 | #include "GrTexture.h" |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 21 | #include "GrVertexBuffer.h" |
| 22 | #include "GrIndexBuffer.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 23 | |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 24 | namespace { |
| 25 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 26 | // recursive helper for creating mask with all the tex coord bits set for |
| 27 | // one stage |
| 28 | template <int N> |
reed@google.com | 34cec24 | 2011-04-19 15:53:12 +0000 | [diff] [blame] | 29 | int stage_mask_recur(int stage) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 30 | return GrDrawTarget::StageTexCoordVertexLayoutBit(stage, N) | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 31 | stage_mask_recur<N+1>(stage); |
| 32 | } |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 33 | template<> |
reed@google.com | d728f6e | 2011-01-13 20:02:47 +0000 | [diff] [blame] | 34 | int stage_mask_recur<GrDrawTarget::kNumStages>(int) { return 0; } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 35 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 36 | // mask of all tex coord indices for one stage |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 37 | int stage_tex_coord_mask(int stage) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 38 | return stage_mask_recur<0>(stage); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 39 | } |
| 40 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 41 | // mask of all bits relevant to one stage |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 42 | int stage_mask(int stage) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 43 | return stage_tex_coord_mask(stage) | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 44 | GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(stage); |
| 45 | } |
| 46 | |
| 47 | // recursive helper for creating mask of with all bits set relevant to one |
| 48 | // texture coordinate index |
| 49 | template <int N> |
reed@google.com | 34cec24 | 2011-04-19 15:53:12 +0000 | [diff] [blame] | 50 | int tex_coord_mask_recur(int texCoordIdx) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 51 | return GrDrawTarget::StageTexCoordVertexLayoutBit(N, texCoordIdx) | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 52 | tex_coord_mask_recur<N+1>(texCoordIdx); |
| 53 | } |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 54 | template<> |
reed@google.com | d728f6e | 2011-01-13 20:02:47 +0000 | [diff] [blame] | 55 | int tex_coord_mask_recur<GrDrawTarget::kMaxTexCoords>(int) { return 0; } |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 56 | |
| 57 | // mask of all bits relevant to one texture coordinate index |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 58 | int tex_coord_idx_mask(int texCoordIdx) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 59 | return tex_coord_mask_recur<0>(texCoordIdx); |
| 60 | } |
| 61 | |
| 62 | bool check_layout(GrVertexLayout layout) { |
| 63 | // can only have 1 or 0 bits set for each stage. |
| 64 | for (int s = 0; s < GrDrawTarget::kNumStages; ++s) { |
| 65 | int stageBits = layout & stage_mask(s); |
| 66 | if (stageBits && !GrIsPow2(stageBits)) { |
| 67 | return false; |
| 68 | } |
| 69 | } |
| 70 | return true; |
| 71 | } |
| 72 | |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 73 | } //unnamed namespace |
| 74 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 75 | size_t GrDrawTarget::VertexSize(GrVertexLayout vertexLayout) { |
| 76 | GrAssert(check_layout(vertexLayout)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 77 | |
| 78 | size_t vecSize = (vertexLayout & kTextFormat_VertexLayoutBit) ? |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 79 | sizeof(GrGpuTextVertex) : |
| 80 | sizeof(GrPoint); |
| 81 | |
| 82 | size_t size = vecSize; // position |
| 83 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 84 | if (tex_coord_idx_mask(t) & vertexLayout) { |
| 85 | size += vecSize; |
| 86 | } |
| 87 | } |
| 88 | if (vertexLayout & kColor_VertexLayoutBit) { |
| 89 | size += sizeof(GrColor); |
| 90 | } |
| 91 | return size; |
| 92 | } |
| 93 | |
| 94 | int GrDrawTarget::VertexStageCoordOffset(int stage, GrVertexLayout vertexLayout) { |
| 95 | GrAssert(check_layout(vertexLayout)); |
| 96 | if (StagePosAsTexCoordVertexLayoutBit(stage) & vertexLayout) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 97 | return 0; |
| 98 | } |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 99 | int tcIdx = VertexTexCoordsForStage(stage, vertexLayout); |
| 100 | if (tcIdx >= 0) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 101 | |
| 102 | int vecSize = (vertexLayout & kTextFormat_VertexLayoutBit) ? |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 103 | sizeof(GrGpuTextVertex) : |
| 104 | sizeof(GrPoint); |
| 105 | int offset = vecSize; // position |
| 106 | // figure out how many tex coordinates are present and precede this one. |
| 107 | for (int t = 0; t < tcIdx; ++t) { |
| 108 | if (tex_coord_idx_mask(t) & vertexLayout) { |
| 109 | offset += vecSize; |
| 110 | } |
| 111 | } |
| 112 | return offset; |
| 113 | } |
| 114 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 115 | return -1; |
| 116 | } |
| 117 | |
| 118 | int GrDrawTarget::VertexColorOffset(GrVertexLayout vertexLayout) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 119 | GrAssert(check_layout(vertexLayout)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 120 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 121 | if (vertexLayout & kColor_VertexLayoutBit) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 122 | int vecSize = (vertexLayout & kTextFormat_VertexLayoutBit) ? |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 123 | sizeof(GrGpuTextVertex) : |
| 124 | sizeof(GrPoint); |
| 125 | int offset = vecSize; // position |
| 126 | // figure out how many tex coordinates are present and precede this one. |
| 127 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 128 | if (tex_coord_idx_mask(t) & vertexLayout) { |
| 129 | offset += vecSize; |
| 130 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 131 | } |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 132 | return offset; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 133 | } |
| 134 | return -1; |
| 135 | } |
| 136 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 137 | int GrDrawTarget::VertexSizeAndOffsetsByIdx(GrVertexLayout vertexLayout, |
| 138 | int texCoordOffsetsByIdx[kMaxTexCoords], |
| 139 | int* colorOffset) { |
| 140 | GrAssert(check_layout(vertexLayout)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 141 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 142 | GrAssert(NULL != texCoordOffsetsByIdx); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 143 | GrAssert(NULL != colorOffset); |
| 144 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 145 | int vecSize = (vertexLayout & kTextFormat_VertexLayoutBit) ? |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 146 | sizeof(GrGpuTextVertex) : |
| 147 | sizeof(GrPoint); |
| 148 | int size = vecSize; // position |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 149 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 150 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 151 | if (tex_coord_idx_mask(t) & vertexLayout) { |
| 152 | texCoordOffsetsByIdx[t] = size; |
| 153 | size += vecSize; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 154 | } else { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 155 | texCoordOffsetsByIdx[t] = -1; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 156 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 157 | } |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 158 | if (kColor_VertexLayoutBit & vertexLayout) { |
| 159 | *colorOffset = size; |
| 160 | size += sizeof(GrColor); |
| 161 | } else { |
| 162 | *colorOffset = -1; |
| 163 | } |
| 164 | return size; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 165 | } |
| 166 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 167 | int GrDrawTarget::VertexSizeAndOffsetsByStage(GrVertexLayout vertexLayout, |
| 168 | int texCoordOffsetsByStage[kNumStages], |
| 169 | int* colorOffset) { |
| 170 | GrAssert(check_layout(vertexLayout)); |
| 171 | |
| 172 | GrAssert(NULL != texCoordOffsetsByStage); |
| 173 | GrAssert(NULL != colorOffset); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 174 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 175 | int texCoordOffsetsByIdx[kMaxTexCoords]; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 176 | int size = VertexSizeAndOffsetsByIdx(vertexLayout, |
| 177 | texCoordOffsetsByIdx, |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 178 | colorOffset); |
| 179 | for (int s = 0; s < kNumStages; ++s) { |
| 180 | int tcIdx; |
| 181 | if (StagePosAsTexCoordVertexLayoutBit(s) & vertexLayout) { |
| 182 | texCoordOffsetsByStage[s] = 0; |
| 183 | } else if ((tcIdx = VertexTexCoordsForStage(s, vertexLayout)) >= 0) { |
| 184 | texCoordOffsetsByStage[s] = texCoordOffsetsByIdx[tcIdx]; |
| 185 | } else { |
| 186 | texCoordOffsetsByStage[s] = -1; |
| 187 | } |
| 188 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 189 | return size; |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | bool GrDrawTarget::VertexUsesStage(int stage, GrVertexLayout vertexLayout) { |
| 193 | GrAssert(stage < kNumStages); |
| 194 | GrAssert(check_layout(vertexLayout)); |
| 195 | return !!(stage_mask(stage) & vertexLayout); |
| 196 | } |
| 197 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 198 | bool GrDrawTarget::VertexUsesTexCoordIdx(int coordIndex, |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 199 | GrVertexLayout vertexLayout) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 200 | GrAssert(coordIndex < kMaxTexCoords); |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 201 | GrAssert(check_layout(vertexLayout)); |
| 202 | return !!(tex_coord_idx_mask(coordIndex) & vertexLayout); |
| 203 | } |
| 204 | |
| 205 | int GrDrawTarget::VertexTexCoordsForStage(int stage, GrVertexLayout vertexLayout) { |
| 206 | GrAssert(stage < kNumStages); |
| 207 | GrAssert(check_layout(vertexLayout)); |
| 208 | int bit = vertexLayout & stage_tex_coord_mask(stage); |
| 209 | if (bit) { |
| 210 | // figure out which set of texture coordates is used |
| 211 | // bits are ordered T0S0, T0S1, T0S2, ..., T1S0, T1S1, ... |
| 212 | // and start at bit 0. |
| 213 | GR_STATIC_ASSERT(sizeof(GrVertexLayout) <= sizeof(uint32_t)); |
| 214 | return (32 - Gr_clz(bit) - 1) / kNumStages; |
| 215 | } |
| 216 | return -1; |
| 217 | } |
| 218 | |
| 219 | void GrDrawTarget::VertexLayoutUnitTest() { |
| 220 | // not necessarily exhaustive |
| 221 | static bool run; |
| 222 | if (!run) { |
| 223 | run = true; |
| 224 | for (int s = 0; s < kNumStages; ++s) { |
| 225 | |
| 226 | GrAssert(!VertexUsesStage(s, 0)); |
| 227 | GrAssert(-1 == VertexStageCoordOffset(s, 0)); |
| 228 | GrVertexLayout stageMask = 0; |
| 229 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 230 | stageMask |= StageTexCoordVertexLayoutBit(s,t); |
| 231 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 232 | GrAssert(1 == kMaxTexCoords || !check_layout(stageMask)); |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 233 | GrAssert(stage_tex_coord_mask(s) == stageMask); |
| 234 | stageMask |= StagePosAsTexCoordVertexLayoutBit(s); |
| 235 | GrAssert(stage_mask(s) == stageMask); |
| 236 | GrAssert(!check_layout(stageMask)); |
| 237 | } |
| 238 | for (int t = 0; t < kMaxTexCoords; ++t) { |
| 239 | GrVertexLayout tcMask = 0; |
| 240 | GrAssert(!VertexUsesTexCoordIdx(t, 0)); |
| 241 | for (int s = 0; s < kNumStages; ++s) { |
| 242 | tcMask |= StageTexCoordVertexLayoutBit(s,t); |
| 243 | GrAssert(VertexUsesStage(s, tcMask)); |
| 244 | GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask)); |
| 245 | GrAssert(VertexUsesTexCoordIdx(t, tcMask)); |
| 246 | GrAssert(2*sizeof(GrPoint) == VertexSize(tcMask)); |
| 247 | GrAssert(t == VertexTexCoordsForStage(s, tcMask)); |
| 248 | for (int s2 = s + 1; s2 < kNumStages; ++s2) { |
| 249 | GrAssert(-1 == VertexStageCoordOffset(s2, tcMask)); |
| 250 | GrAssert(!VertexUsesStage(s2, tcMask)); |
| 251 | GrAssert(-1 == VertexTexCoordsForStage(s2, tcMask)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 252 | |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 253 | #if GR_DEBUG |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 254 | GrVertexLayout posAsTex = tcMask | StagePosAsTexCoordVertexLayoutBit(s2); |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 255 | #endif |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 256 | GrAssert(0 == VertexStageCoordOffset(s2, posAsTex)); |
| 257 | GrAssert(VertexUsesStage(s2, posAsTex)); |
| 258 | GrAssert(2*sizeof(GrPoint) == VertexSize(posAsTex)); |
| 259 | GrAssert(-1 == VertexTexCoordsForStage(s2, posAsTex)); |
| 260 | } |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 261 | #if GR_DEBUG |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 262 | GrVertexLayout withColor = tcMask | kColor_VertexLayoutBit; |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 263 | #endif |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 264 | GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withColor)); |
| 265 | GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withColor)); |
| 266 | } |
| 267 | GrAssert(tex_coord_idx_mask(t) == tcMask); |
| 268 | GrAssert(check_layout(tcMask)); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 269 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 270 | int stageOffsets[kNumStages]; |
| 271 | int colorOffset; |
| 272 | int size; |
| 273 | size = VertexSizeAndOffsetsByStage(tcMask, stageOffsets, &colorOffset); |
| 274 | GrAssert(2*sizeof(GrPoint) == size); |
| 275 | GrAssert(-1 == colorOffset); |
| 276 | for (int s = 0; s < kNumStages; ++s) { |
| 277 | GrAssert(VertexUsesStage(s, tcMask)); |
| 278 | GrAssert(sizeof(GrPoint) == stageOffsets[s]); |
| 279 | GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask)); |
| 280 | } |
| 281 | } |
| 282 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | //////////////////////////////////////////////////////////////////////////////// |
| 286 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 287 | #define DEBUG_INVAL_BUFFER 0xdeadcafe |
| 288 | #define DEBUG_INVAL_START_IDX -1 |
| 289 | |
| 290 | GrDrawTarget::GrDrawTarget() |
| 291 | : fGeoSrcStateStack(&fGeoSrcStateStackStorage) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 292 | #if GR_DEBUG |
| 293 | VertexLayoutUnitTest(); |
| 294 | #endif |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 295 | GeometrySrcState& geoSrc = fGeoSrcStateStack.push_back(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 296 | #if GR_DEBUG |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 297 | geoSrc.fVertexCount = DEBUG_INVAL_START_IDX; |
| 298 | geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; |
| 299 | geoSrc.fIndexCount = DEBUG_INVAL_START_IDX; |
| 300 | geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 301 | #endif |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 302 | geoSrc.fVertexSrc = kNone_GeometrySrcType; |
| 303 | geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| 304 | } |
| 305 | |
| 306 | GrDrawTarget::~GrDrawTarget() { |
| 307 | int popCnt = fGeoSrcStateStack.count() - 1; |
| 308 | while (popCnt) { |
| 309 | this->popGeometrySource(); |
| 310 | --popCnt; |
| 311 | } |
| 312 | this->releasePreviousVertexSource(); |
| 313 | this->releasePreviousIndexSource(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | void GrDrawTarget::setClip(const GrClip& clip) { |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 317 | clipWillBeSet(clip); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 318 | fClip = clip; |
| 319 | } |
| 320 | |
| 321 | const GrClip& GrDrawTarget::getClip() const { |
| 322 | return fClip; |
| 323 | } |
| 324 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 325 | void GrDrawTarget::setTexture(int stage, GrTexture* tex) { |
| 326 | GrAssert(stage >= 0 && stage < kNumStages); |
| 327 | fCurrDrawState.fTextures[stage] = tex; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 328 | } |
| 329 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 330 | const GrTexture* GrDrawTarget::getTexture(int stage) const { |
| 331 | GrAssert(stage >= 0 && stage < kNumStages); |
| 332 | return fCurrDrawState.fTextures[stage]; |
| 333 | } |
| 334 | |
| 335 | GrTexture* GrDrawTarget::getTexture(int stage) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 336 | GrAssert(stage >= 0 && stage < kNumStages); |
| 337 | return fCurrDrawState.fTextures[stage]; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | void GrDrawTarget::setRenderTarget(GrRenderTarget* target) { |
| 341 | fCurrDrawState.fRenderTarget = target; |
| 342 | } |
| 343 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 344 | const GrRenderTarget* GrDrawTarget::getRenderTarget() const { |
| 345 | return fCurrDrawState.fRenderTarget; |
| 346 | } |
| 347 | |
| 348 | GrRenderTarget* GrDrawTarget::getRenderTarget() { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 349 | return fCurrDrawState.fRenderTarget; |
| 350 | } |
| 351 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 352 | void GrDrawTarget::setViewMatrix(const GrMatrix& m) { |
| 353 | fCurrDrawState.fViewMatrix = m; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 354 | } |
| 355 | |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 356 | void GrDrawTarget::preConcatViewMatrix(const GrMatrix& matrix) { |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 357 | fCurrDrawState.fViewMatrix.preConcat(matrix); |
| 358 | } |
| 359 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 360 | void GrDrawTarget::postConcatViewMatrix(const GrMatrix& matrix) { |
| 361 | fCurrDrawState.fViewMatrix.postConcat(matrix); |
| 362 | } |
| 363 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 364 | const GrMatrix& GrDrawTarget::getViewMatrix() const { |
| 365 | return fCurrDrawState.fViewMatrix; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | bool GrDrawTarget::getViewInverse(GrMatrix* matrix) const { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 369 | // Mike: Can we cache this somewhere? |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 370 | // Brian: Sure, do we use it often? |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 371 | |
| 372 | GrMatrix inverse; |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 373 | if (fCurrDrawState.fViewMatrix.invert(&inverse)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 374 | if (matrix) { |
| 375 | *matrix = inverse; |
| 376 | } |
| 377 | return true; |
| 378 | } |
| 379 | return false; |
| 380 | } |
| 381 | |
bsalomon@google.com | 8531c1c | 2011-01-13 19:52:45 +0000 | [diff] [blame] | 382 | void GrDrawTarget::setSamplerState(int stage, const GrSamplerState& state) { |
| 383 | GrAssert(stage >= 0 && stage < kNumStages); |
| 384 | fCurrDrawState.fSamplerStates[stage] = state; |
| 385 | } |
| 386 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 387 | void GrDrawTarget::enableState(uint32_t bits) { |
| 388 | fCurrDrawState.fFlagBits |= bits; |
| 389 | } |
| 390 | |
| 391 | void GrDrawTarget::disableState(uint32_t bits) { |
| 392 | fCurrDrawState.fFlagBits &= ~(bits); |
| 393 | } |
| 394 | |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 395 | void GrDrawTarget::setBlendFunc(GrBlendCoeff srcCoeff, |
| 396 | GrBlendCoeff dstCoeff) { |
| 397 | fCurrDrawState.fSrcBlend = srcCoeff; |
| 398 | fCurrDrawState.fDstBlend = dstCoeff; |
| 399 | #if GR_DEBUG |
| 400 | switch (dstCoeff) { |
| 401 | case kDC_BlendCoeff: |
| 402 | case kIDC_BlendCoeff: |
| 403 | case kDA_BlendCoeff: |
| 404 | case kIDA_BlendCoeff: |
| 405 | GrPrintf("Unexpected dst blend coeff. Won't work correctly with" |
| 406 | "coverage stages.\n"); |
| 407 | break; |
| 408 | default: |
| 409 | break; |
| 410 | } |
| 411 | switch (srcCoeff) { |
| 412 | case kSC_BlendCoeff: |
| 413 | case kISC_BlendCoeff: |
| 414 | case kSA_BlendCoeff: |
| 415 | case kISA_BlendCoeff: |
| 416 | GrPrintf("Unexpected src blend coeff. Won't work correctly with" |
| 417 | "coverage stages.\n"); |
| 418 | break; |
| 419 | default: |
| 420 | break; |
| 421 | } |
| 422 | #endif |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | void GrDrawTarget::setColor(GrColor c) { |
| 426 | fCurrDrawState.fColor = c; |
| 427 | } |
| 428 | |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 429 | void GrDrawTarget::setColorFilter(GrColor c, SkXfermode::Mode mode) { |
| 430 | fCurrDrawState.fColorFilterColor = c; |
| 431 | fCurrDrawState.fColorFilterXfermode = mode; |
| 432 | } |
| 433 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 434 | void GrDrawTarget::setAlpha(uint8_t a) { |
| 435 | this->setColor((a << 24) | (a << 16) | (a << 8) | a); |
| 436 | } |
| 437 | |
| 438 | void GrDrawTarget::saveCurrentDrawState(SavedDrawState* state) const { |
| 439 | state->fState = fCurrDrawState; |
| 440 | } |
| 441 | |
| 442 | void GrDrawTarget::restoreDrawState(const SavedDrawState& state) { |
| 443 | fCurrDrawState = state.fState; |
| 444 | } |
| 445 | |
| 446 | void GrDrawTarget::copyDrawState(const GrDrawTarget& srcTarget) { |
| 447 | fCurrDrawState = srcTarget.fCurrDrawState; |
| 448 | } |
| 449 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 450 | bool GrDrawTarget::reserveVertexSpace(GrVertexLayout vertexLayout, |
| 451 | int vertexCount, |
| 452 | void** vertices) { |
| 453 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 454 | bool acquired = false; |
| 455 | if (vertexCount > 0) { |
| 456 | GrAssert(NULL != vertices); |
| 457 | this->releasePreviousVertexSource(); |
| 458 | geoSrc.fVertexSrc = kNone_GeometrySrcType; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 459 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 460 | acquired = this->onReserveVertexSpace(vertexLayout, |
| 461 | vertexCount, |
| 462 | vertices); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 463 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 464 | if (acquired) { |
| 465 | geoSrc.fVertexSrc = kReserved_GeometrySrcType; |
| 466 | geoSrc.fVertexCount = vertexCount; |
| 467 | geoSrc.fVertexLayout = vertexLayout; |
| 468 | } else if (NULL != vertices) { |
| 469 | *vertices = NULL; |
| 470 | } |
| 471 | return acquired; |
| 472 | } |
| 473 | |
| 474 | bool GrDrawTarget::reserveIndexSpace(int indexCount, |
| 475 | void** indices) { |
| 476 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 477 | bool acquired = false; |
| 478 | if (indexCount > 0) { |
| 479 | GrAssert(NULL != indices); |
| 480 | this->releasePreviousIndexSource(); |
| 481 | geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| 482 | |
| 483 | acquired = this->onReserveIndexSpace(indexCount, indices); |
| 484 | } |
| 485 | if (acquired) { |
| 486 | geoSrc.fIndexSrc = kReserved_GeometrySrcType; |
| 487 | geoSrc.fIndexCount = indexCount; |
| 488 | } else if (NULL != indices) { |
| 489 | *indices = NULL; |
| 490 | } |
| 491 | return acquired; |
| 492 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 493 | } |
| 494 | |
| 495 | bool GrDrawTarget::geometryHints(GrVertexLayout vertexLayout, |
| 496 | int32_t* vertexCount, |
| 497 | int32_t* indexCount) const { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 498 | if (NULL != vertexCount) { |
| 499 | *vertexCount = -1; |
| 500 | } |
| 501 | if (NULL != indexCount) { |
| 502 | *indexCount = -1; |
| 503 | } |
| 504 | return false; |
| 505 | } |
| 506 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 507 | void GrDrawTarget::releasePreviousVertexSource() { |
| 508 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 509 | switch (geoSrc.fVertexSrc) { |
| 510 | case kNone_GeometrySrcType: |
| 511 | break; |
| 512 | case kArray_GeometrySrcType: |
| 513 | this->releaseVertexArray(); |
| 514 | break; |
| 515 | case kReserved_GeometrySrcType: |
| 516 | this->releaseReservedVertexSpace(); |
| 517 | break; |
| 518 | case kBuffer_GeometrySrcType: |
| 519 | geoSrc.fVertexBuffer->unref(); |
| 520 | #if GR_DEBUG |
| 521 | geoSrc.fVertexBuffer = (GrVertexBuffer*)DEBUG_INVAL_BUFFER; |
| 522 | #endif |
| 523 | break; |
| 524 | default: |
| 525 | GrCrash("Unknown Vertex Source Type."); |
| 526 | break; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | void GrDrawTarget::releasePreviousIndexSource() { |
| 531 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 532 | switch (geoSrc.fIndexSrc) { |
| 533 | case kNone_GeometrySrcType: // these two don't require |
| 534 | break; |
| 535 | case kArray_GeometrySrcType: |
| 536 | this->releaseIndexArray(); |
| 537 | break; |
| 538 | case kReserved_GeometrySrcType: |
| 539 | this->releaseReservedIndexSpace(); |
| 540 | break; |
| 541 | case kBuffer_GeometrySrcType: |
| 542 | geoSrc.fIndexBuffer->unref(); |
| 543 | #if GR_DEBUG |
| 544 | geoSrc.fIndexBuffer = (GrIndexBuffer*)DEBUG_INVAL_BUFFER; |
| 545 | #endif |
| 546 | break; |
| 547 | default: |
| 548 | GrCrash("Unknown Index Source Type."); |
| 549 | break; |
| 550 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 551 | } |
| 552 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 553 | void GrDrawTarget::setVertexSourceToArray(GrVertexLayout vertexLayout, |
| 554 | const void* vertexArray, |
| 555 | int vertexCount) { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 556 | this->releasePreviousVertexSource(); |
| 557 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 558 | geoSrc.fVertexSrc = kArray_GeometrySrcType; |
| 559 | geoSrc.fVertexLayout = vertexLayout; |
| 560 | geoSrc.fVertexCount = vertexCount; |
bsalomon@google.com | bcdbbe6 | 2011-04-12 15:40:00 +0000 | [diff] [blame] | 561 | this->onSetVertexSourceToArray(vertexArray, vertexCount); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 562 | } |
| 563 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 564 | void GrDrawTarget::setIndexSourceToArray(const void* indexArray, |
| 565 | int indexCount) { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 566 | this->releasePreviousIndexSource(); |
| 567 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 568 | geoSrc.fIndexSrc = kArray_GeometrySrcType; |
| 569 | geoSrc.fIndexCount = indexCount; |
bsalomon@google.com | bcdbbe6 | 2011-04-12 15:40:00 +0000 | [diff] [blame] | 570 | this->onSetIndexSourceToArray(indexArray, indexCount); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 571 | } |
| 572 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 573 | void GrDrawTarget::setVertexSourceToBuffer(GrVertexLayout vertexLayout, |
| 574 | const GrVertexBuffer* buffer) { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 575 | this->releasePreviousVertexSource(); |
| 576 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 577 | geoSrc.fVertexSrc = kBuffer_GeometrySrcType; |
| 578 | geoSrc.fVertexBuffer = buffer; |
| 579 | buffer->ref(); |
| 580 | geoSrc.fVertexLayout = vertexLayout; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 581 | } |
| 582 | |
| 583 | void GrDrawTarget::setIndexSourceToBuffer(const GrIndexBuffer* buffer) { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 584 | this->releasePreviousIndexSource(); |
| 585 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 586 | geoSrc.fIndexSrc = kBuffer_GeometrySrcType; |
| 587 | geoSrc.fIndexBuffer = buffer; |
| 588 | buffer->ref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 589 | } |
| 590 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 591 | void GrDrawTarget::resetVertexSource() { |
| 592 | this->releasePreviousVertexSource(); |
| 593 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 594 | geoSrc.fVertexSrc = kNone_GeometrySrcType; |
| 595 | } |
| 596 | |
| 597 | void GrDrawTarget::resetIndexSource() { |
| 598 | this->releasePreviousIndexSource(); |
| 599 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 600 | geoSrc.fIndexSrc = kNone_GeometrySrcType; |
| 601 | } |
| 602 | |
| 603 | void GrDrawTarget::pushGeometrySource() { |
| 604 | this->geometrySourceWillPush(); |
| 605 | GeometrySrcState& newState = fGeoSrcStateStack.push_back(); |
| 606 | newState.fIndexSrc = kNone_GeometrySrcType; |
| 607 | newState.fVertexSrc = kNone_GeometrySrcType; |
| 608 | #if GR_DEBUG |
| 609 | newState.fVertexCount = ~0; |
| 610 | newState.fVertexBuffer = (GrVertexBuffer*)~0; |
| 611 | newState.fIndexCount = ~0; |
| 612 | newState.fIndexBuffer = (GrIndexBuffer*)~0; |
| 613 | #endif |
| 614 | } |
| 615 | |
| 616 | void GrDrawTarget::popGeometrySource() { |
| 617 | const GeometrySrcState& geoSrc = this->getGeomSrc(); |
| 618 | // if popping last element then pops are unbalanced with pushes |
| 619 | GrAssert(fGeoSrcStateStack.count() > 1); |
| 620 | |
| 621 | this->geometrySourceWillPop(fGeoSrcStateStack.fromBack(1)); |
| 622 | this->releasePreviousVertexSource(); |
| 623 | this->releasePreviousIndexSource(); |
| 624 | fGeoSrcStateStack.pop_back(); |
| 625 | } |
| 626 | |
| 627 | //////////////////////////////////////////////////////////////////////////////// |
| 628 | |
| 629 | void GrDrawTarget::drawIndexed(GrPrimitiveType type, int startVertex, |
| 630 | int startIndex, int vertexCount, |
| 631 | int indexCount) { |
| 632 | #if GR_DEBUG |
| 633 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 634 | int maxVertex = startVertex + vertexCount; |
| 635 | int maxValidVertex; |
| 636 | switch (geoSrc.fVertexSrc) { |
| 637 | case kNone_GeometrySrcType: |
| 638 | GrCrash("Attempting to draw indexed geom without vertex src."); |
| 639 | case kReserved_GeometrySrcType: // fallthrough |
| 640 | case kArray_GeometrySrcType: |
| 641 | maxValidVertex = geoSrc.fVertexCount; |
| 642 | break; |
| 643 | case kBuffer_GeometrySrcType: |
| 644 | maxValidVertex = geoSrc.fVertexBuffer->size() / |
| 645 | VertexSize(geoSrc.fVertexLayout); |
| 646 | break; |
| 647 | } |
| 648 | if (maxVertex > maxValidVertex) { |
| 649 | GrCrash("Indexed drawing outside valid vertex range."); |
| 650 | } |
| 651 | int maxIndex = startIndex + indexCount; |
| 652 | int maxValidIndex; |
| 653 | switch (geoSrc.fIndexSrc) { |
| 654 | case kNone_GeometrySrcType: |
| 655 | GrCrash("Attempting to draw indexed geom without index src."); |
| 656 | case kReserved_GeometrySrcType: // fallthrough |
| 657 | case kArray_GeometrySrcType: |
| 658 | maxValidIndex = geoSrc.fIndexCount; |
| 659 | break; |
| 660 | case kBuffer_GeometrySrcType: |
| 661 | maxValidIndex = geoSrc.fIndexBuffer->size() / sizeof(uint16_t); |
| 662 | break; |
| 663 | } |
| 664 | if (maxIndex > maxValidIndex) { |
| 665 | GrCrash("Indexed drawing outside valid index range."); |
| 666 | } |
| 667 | #endif |
| 668 | this->onDrawIndexed(type, startVertex, startIndex, |
| 669 | vertexCount, indexCount); |
| 670 | } |
| 671 | |
| 672 | |
| 673 | void GrDrawTarget::drawNonIndexed(GrPrimitiveType type, |
| 674 | int startVertex, |
| 675 | int vertexCount) { |
| 676 | #if GR_DEBUG |
| 677 | GeometrySrcState& geoSrc = fGeoSrcStateStack.back(); |
| 678 | int maxVertex = startVertex + vertexCount; |
| 679 | int maxValidVertex; |
| 680 | switch (geoSrc.fVertexSrc) { |
| 681 | case kNone_GeometrySrcType: |
| 682 | GrCrash("Attempting to draw non-indexed geom without vertex src."); |
| 683 | case kReserved_GeometrySrcType: // fallthrough |
| 684 | case kArray_GeometrySrcType: |
| 685 | maxValidVertex = geoSrc.fVertexCount; |
| 686 | break; |
| 687 | case kBuffer_GeometrySrcType: |
| 688 | maxValidVertex = geoSrc.fVertexBuffer->size() / |
| 689 | VertexSize(geoSrc.fVertexLayout); |
| 690 | break; |
| 691 | } |
| 692 | if (maxVertex > maxValidVertex) { |
| 693 | GrCrash("Non-indexed drawing outside valid vertex range."); |
| 694 | } |
| 695 | #endif |
| 696 | this->onDrawNonIndexed(type, startVertex, vertexCount); |
| 697 | } |
| 698 | |
| 699 | //////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 700 | |
| 701 | bool GrDrawTarget::canDisableBlend() const { |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 702 | // If we compute a coverage value (using edge AA or a coverage stage) then |
| 703 | // we can't force blending off. |
senorblanco@chromium.org | ef3913b | 2011-05-19 17:11:07 +0000 | [diff] [blame] | 704 | if (fCurrDrawState.fEdgeAANumEdges > 0) { |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 705 | return false; |
| 706 | } |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 707 | for (int s = fCurrDrawState.fFirstCoverageStage; s < kNumStages; ++s) { |
| 708 | if (this->isStageEnabled(s)) { |
| 709 | return false; |
| 710 | } |
| 711 | } |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 712 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 713 | if ((kOne_BlendCoeff == fCurrDrawState.fSrcBlend) && |
| 714 | (kZero_BlendCoeff == fCurrDrawState.fDstBlend)) { |
| 715 | return true; |
| 716 | } |
| 717 | |
| 718 | // If we have vertex color without alpha then we can't force blend off |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 719 | if ((this->getGeomSrc().fVertexLayout & kColor_VertexLayoutBit) || |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 720 | 0xff != GrColorUnpackA(fCurrDrawState.fColor)) { |
| 721 | return false; |
| 722 | } |
| 723 | |
| 724 | // If the src coef will always be 1... |
| 725 | if (kSA_BlendCoeff != fCurrDrawState.fSrcBlend && |
| 726 | kOne_BlendCoeff != fCurrDrawState.fSrcBlend) { |
| 727 | return false; |
| 728 | } |
| 729 | |
| 730 | // ...and the dst coef is always 0... |
| 731 | if (kISA_BlendCoeff != fCurrDrawState.fDstBlend && |
| 732 | kZero_BlendCoeff != fCurrDrawState.fDstBlend) { |
| 733 | return false; |
| 734 | } |
| 735 | |
bsalomon@google.com | 271cffc | 2011-05-20 14:13:56 +0000 | [diff] [blame] | 736 | // ...and there isn't a texture stage with an alpha channel... |
| 737 | for (int s = 0; s < fCurrDrawState.fFirstCoverageStage; ++s) { |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 738 | if (this->isStageEnabled(s)) { |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 739 | GrAssert(NULL != fCurrDrawState.fTextures[s]); |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 740 | |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 741 | GrPixelConfig config = fCurrDrawState.fTextures[s]->config(); |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 742 | |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 743 | if (!GrPixelConfigIsOpaque(config)) { |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 744 | return false; |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | |
Scroggo | 0bad673 | 2011-05-11 20:25:01 +0000 | [diff] [blame] | 749 | // ...and there isn't an interesting color filter... |
| 750 | // TODO: Consider being more aggressive with regards to disabling |
| 751 | // blending when a color filter is used. |
| 752 | if (SkXfermode::kDst_Mode != fCurrDrawState.fColorFilterXfermode) { |
| 753 | return false; |
| 754 | } |
| 755 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 756 | // ...then we disable blend. |
| 757 | return true; |
| 758 | } |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 759 | |
| 760 | /////////////////////////////////////////////////////////////////////////////// |
senorblanco@chromium.org | ef3913b | 2011-05-19 17:11:07 +0000 | [diff] [blame] | 761 | void GrDrawTarget::setEdgeAAData(const Edge* edges, int numEdges) { |
| 762 | GrAssert(numEdges <= kMaxEdges); |
| 763 | memcpy(fCurrDrawState.fEdgeAAEdges, edges, numEdges * sizeof(Edge)); |
| 764 | fCurrDrawState.fEdgeAANumEdges = numEdges; |
senorblanco@chromium.org | 92e0f22 | 2011-05-12 15:49:15 +0000 | [diff] [blame] | 765 | } |
| 766 | |
| 767 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 768 | //////////////////////////////////////////////////////////////////////////////// |
| 769 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 770 | void GrDrawTarget::drawRect(const GrRect& rect, |
| 771 | const GrMatrix* matrix, |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 772 | StageBitfield stageEnableBitfield, |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 773 | const GrRect* srcRects[], |
| 774 | const GrMatrix* srcMatrices[]) { |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 775 | GrVertexLayout layout = GetRectVertexLayout(stageEnableBitfield, srcRects); |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 776 | |
| 777 | AutoReleaseGeometry geo(this, layout, 4, 0); |
| 778 | |
| 779 | SetRectVertices(rect, matrix, srcRects, |
| 780 | srcMatrices, layout, geo.vertices()); |
| 781 | |
| 782 | drawNonIndexed(kTriangleFan_PrimitiveType, 0, 4); |
| 783 | } |
| 784 | |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 785 | GrVertexLayout GrDrawTarget::GetRectVertexLayout(StageBitfield stageEnableBitfield, |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 786 | const GrRect* srcRects[]) { |
| 787 | GrVertexLayout layout = 0; |
| 788 | |
| 789 | for (int i = 0; i < kNumStages; ++i) { |
| 790 | int numTC = 0; |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 791 | if (stageEnableBitfield & (1 << i)) { |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 792 | if (NULL != srcRects && NULL != srcRects[i]) { |
| 793 | layout |= StageTexCoordVertexLayoutBit(i, numTC); |
| 794 | ++numTC; |
| 795 | } else { |
| 796 | layout |= StagePosAsTexCoordVertexLayoutBit(i); |
| 797 | } |
| 798 | } |
| 799 | } |
| 800 | return layout; |
| 801 | } |
| 802 | void GrDrawTarget::SetRectVertices(const GrRect& rect, |
| 803 | const GrMatrix* matrix, |
| 804 | const GrRect* srcRects[], |
| 805 | const GrMatrix* srcMatrices[], |
| 806 | GrVertexLayout layout, |
| 807 | void* vertices) { |
| 808 | #if GR_DEBUG |
| 809 | // check that the layout and srcRects agree |
| 810 | for (int i = 0; i < kNumStages; ++i) { |
| 811 | if (VertexTexCoordsForStage(i, layout) >= 0) { |
| 812 | GR_DEBUGASSERT(NULL != srcRects && NULL != srcRects[i]); |
| 813 | } else { |
| 814 | GR_DEBUGASSERT(NULL == srcRects || NULL == srcRects[i]); |
| 815 | } |
| 816 | } |
| 817 | #endif |
| 818 | |
| 819 | int stageOffsets[kNumStages]; |
| 820 | int colorOffset; |
| 821 | int vsize = VertexSizeAndOffsetsByStage(layout, stageOffsets, &colorOffset); |
| 822 | GrAssert(-1 == colorOffset); |
| 823 | |
| 824 | GrTCast<GrPoint*>(vertices)->setRectFan(rect.fLeft, rect.fTop, |
| 825 | rect.fRight, rect.fBottom, |
| 826 | vsize); |
| 827 | if (NULL != matrix) { |
| 828 | matrix->mapPointsWithStride(GrTCast<GrPoint*>(vertices), vsize, 4); |
| 829 | } |
| 830 | |
| 831 | for (int i = 0; i < kNumStages; ++i) { |
| 832 | if (stageOffsets[i] > 0) { |
| 833 | GrPoint* coords = GrTCast<GrPoint*>(GrTCast<intptr_t>(vertices) + |
| 834 | stageOffsets[i]); |
| 835 | coords->setRectFan(srcRects[i]->fLeft, srcRects[i]->fTop, |
| 836 | srcRects[i]->fRight, srcRects[i]->fBottom, |
| 837 | vsize); |
| 838 | if (NULL != srcMatrices && NULL != srcMatrices[i]) { |
| 839 | srcMatrices[i]->mapPointsWithStride(coords, vsize, 4); |
| 840 | } |
| 841 | } |
| 842 | } |
| 843 | } |
| 844 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 845 | //////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 7ac249b | 2011-06-14 18:46:24 +0000 | [diff] [blame] | 846 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 847 | GrDrawTarget::AutoStateRestore::AutoStateRestore() { |
| 848 | fDrawTarget = NULL; |
| 849 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 850 | |
| 851 | GrDrawTarget::AutoStateRestore::AutoStateRestore(GrDrawTarget* target) { |
| 852 | fDrawTarget = target; |
bsalomon@google.com | 7d34d2e | 2011-01-24 17:41:47 +0000 | [diff] [blame] | 853 | if (NULL != fDrawTarget) { |
| 854 | fDrawTarget->saveCurrentDrawState(&fDrawState); |
| 855 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | GrDrawTarget::AutoStateRestore::~AutoStateRestore() { |
bsalomon@google.com | 7d34d2e | 2011-01-24 17:41:47 +0000 | [diff] [blame] | 859 | if (NULL != fDrawTarget) { |
| 860 | fDrawTarget->restoreDrawState(fDrawState); |
| 861 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 862 | } |
bsalomon@google.com | 7d34d2e | 2011-01-24 17:41:47 +0000 | [diff] [blame] | 863 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 864 | void GrDrawTarget::AutoStateRestore::set(GrDrawTarget* target) { |
| 865 | if (target != fDrawTarget) { |
| 866 | if (NULL != fDrawTarget) { |
| 867 | fDrawTarget->restoreDrawState(fDrawState); |
| 868 | } |
| 869 | if (NULL != target) { |
| 870 | fDrawTarget->saveCurrentDrawState(&fDrawState); |
| 871 | } |
| 872 | fDrawTarget = target; |
| 873 | } |
| 874 | } |
bsalomon@google.com | 7ac249b | 2011-06-14 18:46:24 +0000 | [diff] [blame] | 875 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 876 | //////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 7ac249b | 2011-06-14 18:46:24 +0000 | [diff] [blame] | 877 | |
| 878 | GrDrawTarget::AutoDeviceCoordDraw::AutoDeviceCoordDraw(GrDrawTarget* target, |
| 879 | int stageMask) { |
| 880 | GrAssert(NULL != target); |
| 881 | |
| 882 | fDrawTarget = target; |
| 883 | fViewMatrix = target->getViewMatrix(); |
| 884 | fStageMask = stageMask; |
| 885 | if (fStageMask) { |
| 886 | GrMatrix invVM; |
| 887 | if (fViewMatrix.invert(&invVM)) { |
| 888 | for (int s = 0; s < kNumStages; ++s) { |
| 889 | if (fStageMask & (1 << s)) { |
| 890 | fSamplerMatrices[s] = target->getSamplerMatrix(s); |
| 891 | } |
| 892 | } |
| 893 | target->preConcatSamplerMatrices(fStageMask, invVM); |
| 894 | } else { |
| 895 | // sad trombone sound |
| 896 | fStageMask = 0; |
| 897 | } |
| 898 | } |
| 899 | target->setViewMatrix(GrMatrix::I()); |
| 900 | } |
| 901 | |
| 902 | GrDrawTarget::AutoDeviceCoordDraw::~AutoDeviceCoordDraw() { |
| 903 | fDrawTarget->setViewMatrix(fViewMatrix); |
| 904 | for (int s = 0; s < kNumStages; ++s) { |
| 905 | if (fStageMask & (1 << s)) { |
| 906 | fDrawTarget->setSamplerMatrix(s, fSamplerMatrices[s]); |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame^] | 911 | //////////////////////////////////////////////////////////////////////////////// |
| 912 | |
| 913 | GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry( |
| 914 | GrDrawTarget* target, |
| 915 | GrVertexLayout vertexLayout, |
| 916 | int vertexCount, |
| 917 | int indexCount) { |
| 918 | fTarget = NULL; |
| 919 | this->set(target, vertexLayout, vertexCount, indexCount); |
| 920 | } |
| 921 | |
| 922 | GrDrawTarget::AutoReleaseGeometry::AutoReleaseGeometry() { |
| 923 | fTarget = NULL; |
| 924 | } |
| 925 | |
| 926 | GrDrawTarget::AutoReleaseGeometry::~AutoReleaseGeometry() { |
| 927 | this->reset(); |
| 928 | } |
| 929 | |
| 930 | bool GrDrawTarget::AutoReleaseGeometry::set(GrDrawTarget* target, |
| 931 | GrVertexLayout vertexLayout, |
| 932 | int vertexCount, |
| 933 | int indexCount) { |
| 934 | this->reset(); |
| 935 | fTarget = target; |
| 936 | bool success = true; |
| 937 | if (NULL != fTarget) { |
| 938 | fTarget = target; |
| 939 | if (vertexCount > 0) { |
| 940 | success = target->reserveVertexSpace(vertexLayout, |
| 941 | vertexCount, |
| 942 | &fVertices); |
| 943 | if (!success) { |
| 944 | this->reset(); |
| 945 | } |
| 946 | } |
| 947 | if (success && indexCount > 0) { |
| 948 | success = target->reserveIndexSpace(indexCount, &fIndices); |
| 949 | if (!success) { |
| 950 | this->reset(); |
| 951 | } |
| 952 | } |
| 953 | } |
| 954 | GrAssert(success == (NULL != fTarget)); |
| 955 | return success; |
| 956 | } |
| 957 | |
| 958 | void GrDrawTarget::AutoReleaseGeometry::reset() { |
| 959 | if (NULL != fTarget) { |
| 960 | if (NULL != fVertices) { |
| 961 | fTarget->resetVertexSource(); |
| 962 | } |
| 963 | if (NULL != fIndices) { |
| 964 | fTarget->resetIndexSource(); |
| 965 | } |
| 966 | fTarget = NULL; |
| 967 | } |
| 968 | } |
| 969 | |