Example #1
0
void GrDrawTarget::VertexLayoutUnitTest() {
    // Ensure that our globals mask arrays are correct
    GrVertexLayout stageTexCoordMasks[GrDrawState::kNumStages];
    GrVertexLayout texCoordMasks[GrDrawState::kMaxTexCoords];
    gen_mask_arrays(stageTexCoordMasks, texCoordMasks);
    for (int s = 0; s < GrDrawState::kNumStages; ++s) {
        GrAssert(stageTexCoordMasks[s] == gStageTexCoordMasks[s]);
    }
    for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) {
        GrAssert(texCoordMasks[t] == gTexCoordMasks[t]);
    }

    // not necessarily exhaustive
    static bool run;
    if (!run) {
        run = true;
        for (int s = 0; s < GrDrawState::kNumStages; ++s) {

            GrVertexLayout stageMask = 0;
            for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) {
                stageMask |= StageTexCoordVertexLayoutBit(s,t);
            }
            GrAssert(1 == GrDrawState::kMaxTexCoords ||
                     !check_layout(stageMask));
            GrAssert(gStageTexCoordMasks[s] == stageMask);
            GrAssert(!check_layout(stageMask));
        }
        for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) {
            GrVertexLayout tcMask = 0;
            GrAssert(!VertexUsesTexCoordIdx(t, 0));
            for (int s = 0; s < GrDrawState::kNumStages; ++s) {
                tcMask |= StageTexCoordVertexLayoutBit(s,t);
                GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask));
                GrAssert(VertexUsesTexCoordIdx(t, tcMask));
                GrAssert(2*sizeof(GrPoint) == VertexSize(tcMask));
                GrAssert(t == VertexTexCoordsForStage(s, tcMask));
                for (int s2 = s + 1; s2 < GrDrawState::kNumStages; ++s2) {
                    GrAssert(-1 == VertexTexCoordsForStage(s2, tcMask));

                #if GR_DEBUG
                    GrVertexLayout posAsTex = tcMask;
                #endif
                    GrAssert(0 == VertexStageCoordOffset(s2, posAsTex));
                    GrAssert(2*sizeof(GrPoint) == VertexSize(posAsTex));
                    GrAssert(-1 == VertexTexCoordsForStage(s2, posAsTex));
                    GrAssert(-1 == VertexEdgeOffset(posAsTex));
                }
                GrAssert(-1 == VertexEdgeOffset(tcMask));
                GrAssert(-1 == VertexColorOffset(tcMask));
                GrAssert(-1 == VertexCoverageOffset(tcMask));
            #if GR_DEBUG
                GrVertexLayout withColor = tcMask | kColor_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexCoverageOffset(withColor));
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withColor));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withColor));
            #if GR_DEBUG
                GrVertexLayout withEdge = tcMask | kEdge_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexColorOffset(withEdge));
                GrAssert(2*sizeof(GrPoint) == VertexEdgeOffset(withEdge));
                GrAssert(4*sizeof(GrPoint) == VertexSize(withEdge));
            #if GR_DEBUG
                GrVertexLayout withColorAndEdge = withColor | kEdge_VertexLayoutBit;
            #endif
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withColorAndEdge));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexEdgeOffset(withColorAndEdge));
                GrAssert(4*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withColorAndEdge));
            #if GR_DEBUG
                GrVertexLayout withCoverage = tcMask | kCoverage_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexColorOffset(withCoverage));
                GrAssert(2*sizeof(GrPoint) == VertexCoverageOffset(withCoverage));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withCoverage));
            #if GR_DEBUG
                GrVertexLayout withCoverageAndColor = tcMask | kCoverage_VertexLayoutBit |
                                                      kColor_VertexLayoutBit;
            #endif
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withCoverageAndColor));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexCoverageOffset(withCoverageAndColor));
                GrAssert(2*sizeof(GrPoint) + 2 * sizeof(GrColor) == VertexSize(withCoverageAndColor));
            }
            GrAssert(gTexCoordMasks[t] == tcMask);
            GrAssert(check_layout(tcMask));

            int stageOffsets[GrDrawState::kNumStages];
            int colorOffset;
            int edgeOffset;
            int coverageOffset;
            int size;
            size = VertexSizeAndOffsetsByStage(tcMask,
                                               stageOffsets, &colorOffset,
                                               &coverageOffset, &edgeOffset);
            GrAssert(2*sizeof(GrPoint) == size);
            GrAssert(-1 == colorOffset);
            GrAssert(-1 == coverageOffset);
            GrAssert(-1 == edgeOffset);
            for (int s = 0; s < GrDrawState::kNumStages; ++s) {
                GrAssert(sizeof(GrPoint) == stageOffsets[s]);
                GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask));
            }
        }
    }
}
Example #2
0
void GrDrawTarget::VertexLayoutUnitTest() {
    // not necessarily exhaustive
    static bool run;
    if (!run) {
        run = true;
        for (int s = 0; s < kNumStages; ++s) {

            GrAssert(!VertexUsesStage(s, 0));
            GrAssert(-1 == VertexStageCoordOffset(s, 0));
            GrVertexLayout stageMask = 0;
            for (int t = 0; t < kMaxTexCoords; ++t) {
                stageMask |= StageTexCoordVertexLayoutBit(s,t);
            }
            GrAssert(1 == kMaxTexCoords || !check_layout(stageMask));
            GrAssert(stage_tex_coord_mask(s) == stageMask);
            stageMask |= StagePosAsTexCoordVertexLayoutBit(s);
            GrAssert(stage_mask(s) == stageMask);
            GrAssert(!check_layout(stageMask));
        }
        for (int t = 0; t < kMaxTexCoords; ++t) {
            GrVertexLayout tcMask = 0;
            GrAssert(!VertexUsesTexCoordIdx(t, 0));
            for (int s = 0; s < kNumStages; ++s) {
                tcMask |= StageTexCoordVertexLayoutBit(s,t);
                GrAssert(VertexUsesStage(s, tcMask));
                GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask));
                GrAssert(VertexUsesTexCoordIdx(t, tcMask));
                GrAssert(2*sizeof(GrPoint) == VertexSize(tcMask));
                GrAssert(t == VertexTexCoordsForStage(s, tcMask));
                for (int s2 = s + 1; s2 < kNumStages; ++s2) {
                    GrAssert(-1 == VertexStageCoordOffset(s2, tcMask));
                    GrAssert(!VertexUsesStage(s2, tcMask));
                    GrAssert(-1 == VertexTexCoordsForStage(s2, tcMask));

                #if GR_DEBUG
                    GrVertexLayout posAsTex = tcMask | StagePosAsTexCoordVertexLayoutBit(s2);
                #endif
                    GrAssert(0 == VertexStageCoordOffset(s2, posAsTex));
                    GrAssert(VertexUsesStage(s2, posAsTex));
                    GrAssert(2*sizeof(GrPoint) == VertexSize(posAsTex));
                    GrAssert(-1 == VertexTexCoordsForStage(s2, posAsTex));
                    GrAssert(-1 == VertexEdgeOffset(posAsTex));
                }
                GrAssert(-1 == VertexEdgeOffset(tcMask));
                GrAssert(-1 == VertexColorOffset(tcMask));
                GrAssert(-1 == VertexCoverageOffset(tcMask));
            #if GR_DEBUG
                GrVertexLayout withColor = tcMask | kColor_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexCoverageOffset(withColor));
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withColor));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withColor));
            #if GR_DEBUG
                GrVertexLayout withEdge = tcMask | kEdge_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexColorOffset(withEdge));
                GrAssert(2*sizeof(GrPoint) == VertexEdgeOffset(withEdge));
                GrAssert(4*sizeof(GrPoint) == VertexSize(withEdge));
            #if GR_DEBUG
                GrVertexLayout withColorAndEdge = withColor | kEdge_VertexLayoutBit;
            #endif
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withColorAndEdge));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexEdgeOffset(withColorAndEdge));
                GrAssert(4*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withColorAndEdge));
            #if GR_DEBUG
                GrVertexLayout withCoverage = tcMask | kCoverage_VertexLayoutBit;
            #endif
                GrAssert(-1 == VertexColorOffset(withCoverage));
                GrAssert(2*sizeof(GrPoint) == VertexCoverageOffset(withCoverage));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexSize(withCoverage));
            #if GR_DEBUG
                GrVertexLayout withCoverageAndColor = tcMask | kCoverage_VertexLayoutBit |
                                                      kColor_VertexLayoutBit;
            #endif
                GrAssert(2*sizeof(GrPoint) == VertexColorOffset(withCoverageAndColor));
                GrAssert(2*sizeof(GrPoint) + sizeof(GrColor) == VertexCoverageOffset(withCoverageAndColor));
                GrAssert(2*sizeof(GrPoint) + 2 * sizeof(GrColor) == VertexSize(withCoverageAndColor));
            }
            GrAssert(tex_coord_idx_mask(t) == tcMask);
            GrAssert(check_layout(tcMask));

            int stageOffsets[kNumStages];
            int colorOffset;
            int edgeOffset;
            int coverageOffset;
            int size;
            size = VertexSizeAndOffsetsByStage(tcMask, stageOffsets, &colorOffset,
                                               &coverageOffset, &edgeOffset);
            GrAssert(2*sizeof(GrPoint) == size);
            GrAssert(-1 == colorOffset);
            GrAssert(-1 == coverageOffset);
            GrAssert(-1 == edgeOffset);
            for (int s = 0; s < kNumStages; ++s) {
                GrAssert(VertexUsesStage(s, tcMask));
                GrAssert(sizeof(GrPoint) == stageOffsets[s]);
                GrAssert(sizeof(GrPoint) == VertexStageCoordOffset(s, tcMask));
            }
        }
    }
}