Oval and stroke AA rect now batch
BUG=skia: Committed: https://skia.googlesource.com/skia/+/bc54fab1a4e5b51628a8c1557c62bc74e078870d Committed: https://skia.googlesource.com/skia/+/18055afb838a278b5a8436cd51dbfbb688e1e0a0 Review URL: https://codereview.chromium.org/664193002
This commit is contained in:
joshualitt
Commit bot
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commit
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@ -85,3 +85,30 @@ spritebitmap
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testimagefilters
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tileimagefilter
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xfermodeimagefilter
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# joshualitt batching oval renderer and AA rect
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testimagefilters
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strokes_round
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rrect
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ovals
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mixed_xfermodes
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hairmodes
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circles
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blurs
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aarectmodes
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peekpixels
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shadows
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stroke-fill
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srcmode_gpu
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rrect_draw_aa
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twopointconical
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image-surface
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verttext
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drawlooper
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lumafilter
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drrect
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srcmode
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pathfill
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lerpmode
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fatpathfill
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bigmatrix
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@ -21,12 +21,9 @@
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#include "effects/GrBezierEffect.h"
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namespace {
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// quadratics are rendered as 5-sided polys in order to bound the
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// AA stroke around the center-curve. See comments in push_quad_index_buffer and
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// bloat_quad. Quadratics and conics share an index buffer
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static const int kVertsPerQuad = 5;
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static const int kIdxsPerQuad = 9;
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// lines are rendered as:
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// *______________*
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@ -36,127 +33,66 @@ static const int kIdxsPerQuad = 9;
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// | / ______/ \ |
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// */_-__________\*
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// For: 6 vertices and 18 indices (for 6 triangles)
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static const int kVertsPerLineSeg = 6;
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static const int kIdxsPerLineSeg = 18;
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static const int kNumQuadsInIdxBuffer = 256;
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static const size_t kQuadIdxSBufize = kIdxsPerQuad *
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sizeof(uint16_t) *
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kNumQuadsInIdxBuffer;
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// Each quadratic is rendered as a five sided polygon. This poly bounds
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// the quadratic's bounding triangle but has been expanded so that the
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// 1-pixel wide area around the curve is inside the poly.
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// If a,b,c are the original control points then the poly a0,b0,c0,c1,a1
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// that is rendered would look like this:
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// b0
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// b
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//
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// a0 c0
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// a c
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// a1 c1
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// Each is drawn as three triangles specified by these 9 indices:
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static const uint16_t kQuadIdxBufPattern[] = {
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0, 1, 2,
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2, 4, 3,
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1, 4, 2
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};
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static const int kNumLineSegsInIdxBuffer = 256;
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static const size_t kLineSegIdxSBufize = kIdxsPerLineSeg *
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sizeof(uint16_t) *
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kNumLineSegsInIdxBuffer;
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static const int kIdxsPerQuad = SK_ARRAY_COUNT(kQuadIdxBufPattern);
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static const int kQuadNumVertices = 5;
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static const int kQuadsNumInIdxBuffer = 256;
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static bool push_quad_index_data(GrIndexBuffer* qIdxBuffer) {
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uint16_t* data = (uint16_t*) qIdxBuffer->map();
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bool tempData = NULL == data;
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if (tempData) {
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data = SkNEW_ARRAY(uint16_t, kNumQuadsInIdxBuffer * kIdxsPerQuad);
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}
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for (int i = 0; i < kNumQuadsInIdxBuffer; ++i) {
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// Each quadratic is rendered as a five sided polygon. This poly bounds
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// the quadratic's bounding triangle but has been expanded so that the
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// 1-pixel wide area around the curve is inside the poly.
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// If a,b,c are the original control points then the poly a0,b0,c0,c1,a1
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// that is rendered would look like this:
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// b0
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// b
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//
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// a0 c0
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// a c
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// a1 c1
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// Each is drawn as three triangles specified by these 9 indices:
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int baseIdx = i * kIdxsPerQuad;
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uint16_t baseVert = (uint16_t)(i * kVertsPerQuad);
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data[0 + baseIdx] = baseVert + 0; // a0
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data[1 + baseIdx] = baseVert + 1; // a1
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data[2 + baseIdx] = baseVert + 2; // b0
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data[3 + baseIdx] = baseVert + 2; // b0
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data[4 + baseIdx] = baseVert + 4; // c1
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data[5 + baseIdx] = baseVert + 3; // c0
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data[6 + baseIdx] = baseVert + 1; // a1
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data[7 + baseIdx] = baseVert + 4; // c1
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data[8 + baseIdx] = baseVert + 2; // b0
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}
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if (tempData) {
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bool ret = qIdxBuffer->updateData(data, kQuadIdxSBufize);
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delete[] data;
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return ret;
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} else {
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qIdxBuffer->unmap();
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return true;
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}
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}
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// Each line segment is rendered as two quads and two triangles.
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// p0 and p1 have alpha = 1 while all other points have alpha = 0.
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// The four external points are offset 1 pixel perpendicular to the
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// line and half a pixel parallel to the line.
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//
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// p4 p5
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// p0 p1
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// p2 p3
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//
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// Each is drawn as six triangles specified by these 18 indices:
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static bool push_line_index_data(GrIndexBuffer* lIdxBuffer) {
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uint16_t* data = (uint16_t*) lIdxBuffer->map();
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bool tempData = NULL == data;
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if (tempData) {
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data = SkNEW_ARRAY(uint16_t, kNumLineSegsInIdxBuffer * kIdxsPerLineSeg);
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}
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for (int i = 0; i < kNumLineSegsInIdxBuffer; ++i) {
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// Each line segment is rendered as two quads and two triangles.
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// p0 and p1 have alpha = 1 while all other points have alpha = 0.
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// The four external points are offset 1 pixel perpendicular to the
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// line and half a pixel parallel to the line.
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//
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// p4 p5
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// p0 p1
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// p2 p3
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//
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// Each is drawn as six triangles specified by these 18 indices:
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int baseIdx = i * kIdxsPerLineSeg;
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uint16_t baseVert = (uint16_t)(i * kVertsPerLineSeg);
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data[0 + baseIdx] = baseVert + 0;
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data[1 + baseIdx] = baseVert + 1;
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data[2 + baseIdx] = baseVert + 3;
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static const uint16_t kLineSegIdxBufPattern[] = {
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0, 1, 3,
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0, 3, 2,
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0, 4, 5,
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0, 5, 1,
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0, 2, 4,
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1, 5, 3
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};
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data[3 + baseIdx] = baseVert + 0;
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data[4 + baseIdx] = baseVert + 3;
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data[5 + baseIdx] = baseVert + 2;
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data[6 + baseIdx] = baseVert + 0;
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data[7 + baseIdx] = baseVert + 4;
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data[8 + baseIdx] = baseVert + 5;
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data[9 + baseIdx] = baseVert + 0;
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data[10+ baseIdx] = baseVert + 5;
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data[11+ baseIdx] = baseVert + 1;
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data[12 + baseIdx] = baseVert + 0;
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data[13 + baseIdx] = baseVert + 2;
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data[14 + baseIdx] = baseVert + 4;
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data[15 + baseIdx] = baseVert + 1;
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data[16 + baseIdx] = baseVert + 5;
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data[17 + baseIdx] = baseVert + 3;
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}
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if (tempData) {
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bool ret = lIdxBuffer->updateData(data, kLineSegIdxSBufize);
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delete[] data;
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return ret;
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} else {
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lIdxBuffer->unmap();
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return true;
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}
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}
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}
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static const int kIdxsPerLineSeg = SK_ARRAY_COUNT(kLineSegIdxBufPattern);
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static const int kLineSegNumVertices = 6;
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static const int kLineSegsNumInIdxBuffer = 256;
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GrPathRenderer* GrAAHairLinePathRenderer::Create(GrContext* context) {
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GrGpu* gpu = context->getGpu();
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GrIndexBuffer* qIdxBuf = gpu->createIndexBuffer(kQuadIdxSBufize, false);
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GrIndexBuffer* qIdxBuf = gpu->createInstancedIndexBuffer(kQuadIdxBufPattern,
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kIdxsPerQuad,
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kQuadsNumInIdxBuffer,
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kQuadNumVertices);
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SkAutoTUnref<GrIndexBuffer> qIdxBuffer(qIdxBuf);
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if (NULL == qIdxBuf || !push_quad_index_data(qIdxBuf)) {
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return NULL;
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}
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GrIndexBuffer* lIdxBuf = gpu->createIndexBuffer(kLineSegIdxSBufize, false);
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GrIndexBuffer* lIdxBuf = gpu->createInstancedIndexBuffer(kLineSegIdxBufPattern,
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kIdxsPerLineSeg,
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kLineSegsNumInIdxBuffer,
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kLineSegNumVertices);
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SkAutoTUnref<GrIndexBuffer> lIdxBuffer(lIdxBuf);
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if (NULL == lIdxBuf || !push_line_index_data(lIdxBuf)) {
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return NULL;
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}
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return SkNEW_ARGS(GrAAHairLinePathRenderer,
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(context, lIdxBuf, qIdxBuf));
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}
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@ -525,14 +461,14 @@ void intersect_lines(const SkPoint& ptA, const SkVector& normA,
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result->fY = SkScalarMul(result->fY, wInv);
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}
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void set_uv_quad(const SkPoint qpts[3], BezierVertex verts[kVertsPerQuad]) {
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void set_uv_quad(const SkPoint qpts[3], BezierVertex verts[kQuadNumVertices]) {
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// this should be in the src space, not dev coords, when we have perspective
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GrPathUtils::QuadUVMatrix DevToUV(qpts);
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DevToUV.apply<kVertsPerQuad, sizeof(BezierVertex), sizeof(SkPoint)>(verts);
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DevToUV.apply<kQuadNumVertices, sizeof(BezierVertex), sizeof(SkPoint)>(verts);
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}
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void bloat_quad(const SkPoint qpts[3], const SkMatrix* toDevice,
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const SkMatrix* toSrc, BezierVertex verts[kVertsPerQuad],
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const SkMatrix* toSrc, BezierVertex verts[kQuadNumVertices],
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SkRect* devBounds) {
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SkASSERT(!toDevice == !toSrc);
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// original quad is specified by tri a,b,c
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@ -598,10 +534,10 @@ void bloat_quad(const SkPoint qpts[3], const SkMatrix* toDevice,
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c1.fPos -= cbN;
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intersect_lines(a0.fPos, abN, c0.fPos, cbN, &b0.fPos);
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devBounds->growToInclude(&verts[0].fPos, sizeof(BezierVertex), kVertsPerQuad);
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devBounds->growToInclude(&verts[0].fPos, sizeof(BezierVertex), kQuadNumVertices);
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if (toSrc) {
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toSrc->mapPointsWithStride(&verts[0].fPos, sizeof(BezierVertex), kVertsPerQuad);
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toSrc->mapPointsWithStride(&verts[0].fPos, sizeof(BezierVertex), kQuadNumVertices);
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}
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}
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@ -612,13 +548,13 @@ void bloat_quad(const SkPoint qpts[3], const SkMatrix* toDevice,
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// f(x, y, w) = f(P) = K^2 - LM
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// K = dot(k, P), L = dot(l, P), M = dot(m, P)
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// k, l, m are calculated in function GrPathUtils::getConicKLM
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void set_conic_coeffs(const SkPoint p[3], BezierVertex verts[kVertsPerQuad],
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void set_conic_coeffs(const SkPoint p[3], BezierVertex verts[kQuadNumVertices],
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const SkScalar weight) {
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SkScalar klm[9];
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GrPathUtils::getConicKLM(p, weight, klm);
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for (int i = 0; i < kVertsPerQuad; ++i) {
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for (int i = 0; i < kQuadNumVertices; ++i) {
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const SkPoint pnt = verts[i].fPos;
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verts[i].fConic.fK = pnt.fX * klm[0] + pnt.fY * klm[1] + klm[2];
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verts[i].fConic.fL = pnt.fX * klm[3] + pnt.fY * klm[4] + klm[5];
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@ -634,7 +570,7 @@ void add_conics(const SkPoint p[3],
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SkRect* devBounds) {
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bloat_quad(p, toDevice, toSrc, *vert, devBounds);
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set_conic_coeffs(p, *vert, weight);
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*vert += kVertsPerQuad;
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*vert += kQuadNumVertices;
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}
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void add_quads(const SkPoint p[3],
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@ -652,7 +588,7 @@ void add_quads(const SkPoint p[3],
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} else {
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bloat_quad(p, toDevice, toSrc, *vert, devBounds);
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set_uv_quad(p, *vert);
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*vert += kVertsPerQuad;
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*vert += kQuadNumVertices;
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}
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}
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@ -687,16 +623,16 @@ void add_line(const SkPoint p[2],
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if (toSrc) {
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toSrc->mapPointsWithStride(&(*vert)->fPos,
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sizeof(LineVertex),
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kVertsPerLineSeg);
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kLineSegNumVertices);
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}
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} else {
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// just make it degenerate and likely offscreen
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for (int i = 0; i < kVertsPerLineSeg; ++i) {
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for (int i = 0; i < kLineSegNumVertices; ++i) {
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(*vert)[i].fPos.set(SK_ScalarMax, SK_ScalarMax);
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}
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}
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*vert += kVertsPerLineSeg;
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*vert += kLineSegNumVertices;
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}
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}
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@ -729,7 +665,7 @@ bool GrAAHairLinePathRenderer::createLineGeom(const SkPath& path,
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const SkMatrix& viewM = drawState->getViewMatrix();
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int vertCnt = kVertsPerLineSeg * lineCnt;
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int vertCnt = kLineSegNumVertices * lineCnt;
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drawState->setVertexAttribs<gHairlineLineAttribs>(SK_ARRAY_COUNT(gHairlineLineAttribs),
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sizeof(LineVertex));
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@ -776,7 +712,7 @@ bool GrAAHairLinePathRenderer::createBezierGeom(
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const SkMatrix& viewM = drawState->getViewMatrix();
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int vertCnt = kVertsPerQuad * quadCnt + kVertsPerQuad * conicCnt;
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int vertCnt = kQuadNumVertices * quadCnt + kQuadNumVertices * conicCnt;
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int vAttribCnt = SK_ARRAY_COUNT(gHairlineBezierAttribs);
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target->drawState()->setVertexAttribs<gHairlineBezierAttribs>(vAttribCnt, sizeof(BezierVertex));
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@ -942,19 +878,19 @@ bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path,
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// Check devBounds
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SkASSERT(check_bounds<LineVertex>(drawState, devBounds, arg.vertices(),
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kVertsPerLineSeg * lineCnt));
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kLineSegNumVertices * lineCnt));
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{
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GrDrawState::AutoRestoreEffects are(drawState);
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target->setIndexSourceToBuffer(fLinesIndexBuffer);
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int lines = 0;
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while (lines < lineCnt) {
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int n = SkTMin(lineCnt - lines, kNumLineSegsInIdxBuffer);
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int n = SkTMin(lineCnt - lines, kLineSegsNumInIdxBuffer);
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target->drawIndexed(kTriangles_GrPrimitiveType,
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kVertsPerLineSeg*lines, // startV
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0, // startI
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kVertsPerLineSeg*n, // vCount
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kIdxsPerLineSeg*n, // iCount
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kLineSegNumVertices*lines, // startV
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0, // startI
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kLineSegNumVertices*n, // vCount
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kIdxsPerLineSeg*n, // iCount
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&devBounds);
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lines += n;
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}
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@ -992,7 +928,7 @@ bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path,
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// Check devBounds
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SkASSERT(check_bounds<BezierVertex>(drawState, devBounds, arg.vertices(),
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kVertsPerQuad * quadCnt + kVertsPerQuad * conicCnt));
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kQuadNumVertices * quadCnt + kQuadNumVertices * conicCnt));
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if (quadCnt > 0) {
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GrGeometryProcessor* hairQuadProcessor =
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@ -1003,12 +939,12 @@ bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path,
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drawState->setGeometryProcessor(hairQuadProcessor)->unref();
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int quads = 0;
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while (quads < quadCnt) {
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int n = SkTMin(quadCnt - quads, kNumQuadsInIdxBuffer);
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int n = SkTMin(quadCnt - quads, kQuadsNumInIdxBuffer);
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target->drawIndexed(kTriangles_GrPrimitiveType,
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kVertsPerQuad*quads, // startV
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0, // startI
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kVertsPerQuad*n, // vCount
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kIdxsPerQuad*n, // iCount
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kQuadNumVertices*quads, // startV
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0, // startI
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kQuadNumVertices*n, // vCount
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kIdxsPerQuad*n, // iCount
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&devBounds);
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quads += n;
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}
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@ -1022,12 +958,12 @@ bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path,
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drawState->setGeometryProcessor(hairConicProcessor)->unref();
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int conics = 0;
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while (conics < conicCnt) {
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int n = SkTMin(conicCnt - conics, kNumQuadsInIdxBuffer);
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int n = SkTMin(conicCnt - conics, kQuadsNumInIdxBuffer);
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target->drawIndexed(kTriangles_GrPrimitiveType,
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kVertsPerQuad*(quadCnt + conics), // startV
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0, // startI
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kVertsPerQuad*n, // vCount
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kIdxsPerQuad*n, // iCount
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kQuadNumVertices*(quadCnt + conics), // startV
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0, // startI
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kQuadNumVertices*n, // vCount
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kIdxsPerQuad*n, // iCount
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&devBounds);
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conics += n;
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}
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@ -311,42 +311,6 @@ static const int kIndicesPerAAFillRect = SK_ARRAY_COUNT(gFillAARectIdx);
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static const int kVertsPerAAFillRect = 8;
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static const int kNumAAFillRectsInIndexBuffer = 256;
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GrIndexBuffer* GrAARectRenderer::aaFillRectIndexBuffer(GrGpu* gpu) {
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static const size_t kAAFillRectIndexBufferSize = kIndicesPerAAFillRect *
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sizeof(uint16_t) *
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kNumAAFillRectsInIndexBuffer;
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if (NULL == fAAFillRectIndexBuffer) {
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fAAFillRectIndexBuffer = gpu->createIndexBuffer(kAAFillRectIndexBufferSize, false);
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if (fAAFillRectIndexBuffer) {
|
||||
uint16_t* data = (uint16_t*) fAAFillRectIndexBuffer->map();
|
||||
bool useTempData = (NULL == data);
|
||||
if (useTempData) {
|
||||
data = SkNEW_ARRAY(uint16_t, kNumAAFillRectsInIndexBuffer * kIndicesPerAAFillRect);
|
||||
}
|
||||
for (int i = 0; i < kNumAAFillRectsInIndexBuffer; ++i) {
|
||||
// Each AA filled rect is drawn with 8 vertices and 10 triangles (8 around
|
||||
// the inner rect (for AA) and 2 for the inner rect.
|
||||
int baseIdx = i * kIndicesPerAAFillRect;
|
||||
uint16_t baseVert = (uint16_t)(i * kVertsPerAAFillRect);
|
||||
for (int j = 0; j < kIndicesPerAAFillRect; ++j) {
|
||||
data[baseIdx+j] = baseVert + gFillAARectIdx[j];
|
||||
}
|
||||
}
|
||||
if (useTempData) {
|
||||
if (!fAAFillRectIndexBuffer->updateData(data, kAAFillRectIndexBufferSize)) {
|
||||
SkFAIL("Can't get AA Fill Rect indices into buffer!");
|
||||
}
|
||||
SkDELETE_ARRAY(data);
|
||||
} else {
|
||||
fAAFillRectIndexBuffer->unmap();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return fAAFillRectIndexBuffer;
|
||||
}
|
||||
|
||||
static const uint16_t gMiterStrokeAARectIdx[] = {
|
||||
0 + 0, 1 + 0, 5 + 0, 5 + 0, 4 + 0, 0 + 0,
|
||||
1 + 0, 2 + 0, 6 + 0, 6 + 0, 5 + 0, 1 + 0,
|
||||
@ -364,6 +328,10 @@ static const uint16_t gMiterStrokeAARectIdx[] = {
|
||||
3 + 8, 0 + 8, 4 + 8, 4 + 8, 7 + 8, 3 + 8,
|
||||
};
|
||||
|
||||
static const int kIndicesPerMiterStrokeRect = SK_ARRAY_COUNT(gMiterStrokeAARectIdx);
|
||||
static const int kVertsPerMiterStrokeRect = 16;
|
||||
static const int kNumMiterStrokeRectsInIndexBuffer = 256;
|
||||
|
||||
/**
|
||||
* As in miter-stroke, index = a + b, and a is the current index, b is the shift
|
||||
* from the first index. The index layout:
|
||||
@ -421,6 +389,10 @@ static const uint16_t gBevelStrokeAARectIdx[] = {
|
||||
3 + 16, 0 + 16, 4 + 16, 4 + 16, 7 + 16, 3 + 16,
|
||||
};
|
||||
|
||||
static const int kIndicesPerBevelStrokeRect = SK_ARRAY_COUNT(gBevelStrokeAARectIdx);
|
||||
static const int kVertsPerBevelStrokeRect = 24;
|
||||
static const int kNumBevelStrokeRectsInIndexBuffer = 256;
|
||||
|
||||
int GrAARectRenderer::aaStrokeRectIndexCount(bool miterStroke) {
|
||||
return miterStroke ? SK_ARRAY_COUNT(gMiterStrokeAARectIdx) :
|
||||
SK_ARRAY_COUNT(gBevelStrokeAARectIdx);
|
||||
@ -430,29 +402,19 @@ GrIndexBuffer* GrAARectRenderer::aaStrokeRectIndexBuffer(GrGpu* gpu, bool miterS
|
||||
if (miterStroke) {
|
||||
if (NULL == fAAMiterStrokeRectIndexBuffer) {
|
||||
fAAMiterStrokeRectIndexBuffer =
|
||||
gpu->createIndexBuffer(sizeof(gMiterStrokeAARectIdx), false);
|
||||
if (fAAMiterStrokeRectIndexBuffer) {
|
||||
#ifdef SK_DEBUG
|
||||
bool updated =
|
||||
#endif
|
||||
fAAMiterStrokeRectIndexBuffer->updateData(gMiterStrokeAARectIdx,
|
||||
sizeof(gMiterStrokeAARectIdx));
|
||||
GR_DEBUGASSERT(updated);
|
||||
}
|
||||
gpu->createInstancedIndexBuffer(gMiterStrokeAARectIdx,
|
||||
kIndicesPerMiterStrokeRect,
|
||||
kNumMiterStrokeRectsInIndexBuffer,
|
||||
kVertsPerMiterStrokeRect);
|
||||
}
|
||||
return fAAMiterStrokeRectIndexBuffer;
|
||||
} else {
|
||||
if (NULL == fAABevelStrokeRectIndexBuffer) {
|
||||
fAABevelStrokeRectIndexBuffer =
|
||||
gpu->createIndexBuffer(sizeof(gBevelStrokeAARectIdx), false);
|
||||
if (fAABevelStrokeRectIndexBuffer) {
|
||||
#ifdef SK_DEBUG
|
||||
bool updated =
|
||||
#endif
|
||||
fAABevelStrokeRectIndexBuffer->updateData(gBevelStrokeAARectIdx,
|
||||
sizeof(gBevelStrokeAARectIdx));
|
||||
GR_DEBUGASSERT(updated);
|
||||
}
|
||||
gpu->createInstancedIndexBuffer(gBevelStrokeAARectIdx,
|
||||
kIndicesPerBevelStrokeRect,
|
||||
kNumBevelStrokeRectsInIndexBuffer,
|
||||
kVertsPerBevelStrokeRect);
|
||||
}
|
||||
return fAABevelStrokeRectIndexBuffer;
|
||||
}
|
||||
@ -478,7 +440,13 @@ void GrAARectRenderer::geometryFillAARect(GrGpu* gpu,
|
||||
return;
|
||||
}
|
||||
|
||||
GrIndexBuffer* indexBuffer = this->aaFillRectIndexBuffer(gpu);
|
||||
if (NULL == fAAFillRectIndexBuffer) {
|
||||
fAAFillRectIndexBuffer = gpu->createInstancedIndexBuffer(gFillAARectIdx,
|
||||
kIndicesPerAAFillRect,
|
||||
kNumAAFillRectsInIndexBuffer,
|
||||
kVertsPerAAFillRect);
|
||||
}
|
||||
GrIndexBuffer* indexBuffer = fAAFillRectIndexBuffer;
|
||||
if (NULL == indexBuffer) {
|
||||
GrPrintf("Failed to create index buffer!\n");
|
||||
return;
|
||||
@ -933,8 +901,9 @@ void GrAARectRenderer::geometryStrokeAARect(GrGpu* gpu,
|
||||
}
|
||||
|
||||
target->setIndexSourceToBuffer(indexBuffer);
|
||||
target->drawIndexed(kTriangles_GrPrimitiveType, 0, 0,
|
||||
totalVertexNum, aaStrokeRectIndexCount(miterStroke));
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1,
|
||||
totalVertexNum, aaStrokeRectIndexCount(miterStroke));
|
||||
target->resetIndexSource();
|
||||
}
|
||||
|
||||
void GrAARectRenderer::fillAANestedRects(GrGpu* gpu,
|
||||
|
||||
@ -75,8 +75,6 @@ private:
|
||||
GrIndexBuffer* fAAMiterStrokeRectIndexBuffer;
|
||||
GrIndexBuffer* fAABevelStrokeRectIndexBuffer;
|
||||
|
||||
GrIndexBuffer* aaFillRectIndexBuffer(GrGpu* gpu);
|
||||
|
||||
static int aaStrokeRectIndexCount(bool miterStroke);
|
||||
GrIndexBuffer* aaStrokeRectIndexBuffer(GrGpu* gpu, bool miterStroke);
|
||||
|
||||
|
||||
@ -164,6 +164,39 @@ GrIndexBuffer* GrGpu::createIndexBuffer(size_t size, bool dynamic) {
|
||||
return this->onCreateIndexBuffer(size, dynamic);
|
||||
}
|
||||
|
||||
GrIndexBuffer* GrGpu::createInstancedIndexBuffer(const uint16_t* pattern,
|
||||
int patternSize,
|
||||
int reps,
|
||||
int vertCount,
|
||||
bool isDynamic) {
|
||||
size_t bufferSize = patternSize * reps * sizeof(uint16_t);
|
||||
GrGpu* me = const_cast<GrGpu*>(this);
|
||||
GrIndexBuffer* buffer = me->createIndexBuffer(bufferSize, isDynamic);
|
||||
if (buffer) {
|
||||
uint16_t* data = (uint16_t*) buffer->map();
|
||||
bool useTempData = (NULL == data);
|
||||
if (useTempData) {
|
||||
data = SkNEW_ARRAY(uint16_t, reps * patternSize);
|
||||
}
|
||||
for (int i = 0; i < reps; ++i) {
|
||||
int baseIdx = i * patternSize;
|
||||
uint16_t baseVert = (uint16_t)(i * vertCount);
|
||||
for (int j = 0; j < patternSize; ++j) {
|
||||
data[baseIdx+j] = baseVert + pattern[j];
|
||||
}
|
||||
}
|
||||
if (useTempData) {
|
||||
if (!buffer->updateData(data, bufferSize)) {
|
||||
SkFAIL("Can't get indices into buffer!");
|
||||
}
|
||||
SkDELETE_ARRAY(data);
|
||||
} else {
|
||||
buffer->unmap();
|
||||
}
|
||||
}
|
||||
return buffer;
|
||||
}
|
||||
|
||||
void GrGpu::clear(const SkIRect* rect,
|
||||
GrColor color,
|
||||
bool canIgnoreRect,
|
||||
@ -246,39 +279,18 @@ static const int MAX_QUADS = 1 << 12; // max possible: (1 << 14) - 1;
|
||||
|
||||
GR_STATIC_ASSERT(4 * MAX_QUADS <= 65535);
|
||||
|
||||
static inline void fill_indices(uint16_t* indices, int quadCount) {
|
||||
for (int i = 0; i < quadCount; ++i) {
|
||||
indices[6 * i + 0] = 4 * i + 0;
|
||||
indices[6 * i + 1] = 4 * i + 1;
|
||||
indices[6 * i + 2] = 4 * i + 2;
|
||||
indices[6 * i + 3] = 4 * i + 0;
|
||||
indices[6 * i + 4] = 4 * i + 2;
|
||||
indices[6 * i + 5] = 4 * i + 3;
|
||||
}
|
||||
}
|
||||
static const uint16_t gQuadIndexPattern[] = {
|
||||
0, 1, 2, 0, 2, 3
|
||||
};
|
||||
|
||||
const GrIndexBuffer* GrGpu::getQuadIndexBuffer() const {
|
||||
if (NULL == fQuadIndexBuffer || fQuadIndexBuffer->wasDestroyed()) {
|
||||
SkSafeUnref(fQuadIndexBuffer);
|
||||
static const int SIZE = sizeof(uint16_t) * 6 * MAX_QUADS;
|
||||
GrGpu* me = const_cast<GrGpu*>(this);
|
||||
fQuadIndexBuffer = me->createIndexBuffer(SIZE, false);
|
||||
if (fQuadIndexBuffer) {
|
||||
uint16_t* indices = (uint16_t*)fQuadIndexBuffer->map();
|
||||
if (indices) {
|
||||
fill_indices(indices, MAX_QUADS);
|
||||
fQuadIndexBuffer->unmap();
|
||||
} else {
|
||||
indices = (uint16_t*)sk_malloc_throw(SIZE);
|
||||
fill_indices(indices, MAX_QUADS);
|
||||
if (!fQuadIndexBuffer->updateData(indices, SIZE)) {
|
||||
fQuadIndexBuffer->unref();
|
||||
fQuadIndexBuffer = NULL;
|
||||
SkFAIL("Can't get indices into buffer!");
|
||||
}
|
||||
sk_free(indices);
|
||||
}
|
||||
}
|
||||
fQuadIndexBuffer = me->createInstancedIndexBuffer(gQuadIndexPattern,
|
||||
6,
|
||||
MAX_QUADS,
|
||||
4);
|
||||
}
|
||||
|
||||
return fQuadIndexBuffer;
|
||||
|
||||
@ -142,6 +142,25 @@ public:
|
||||
*/
|
||||
GrIndexBuffer* createIndexBuffer(size_t size, bool dynamic);
|
||||
|
||||
/**
|
||||
* Creates an index buffer for instance drawing with a specific pattern.
|
||||
*
|
||||
* @param pattern the pattern to repeat
|
||||
* @param patternSize size in bytes of the pattern
|
||||
* @param reps number of times to repeat the pattern
|
||||
* @param vertCount number of vertices the pattern references
|
||||
* @param dynamic hints whether the data will be frequently changed
|
||||
* by either GrIndexBuffer::map() or
|
||||
* GrIndexBuffer::updateData().
|
||||
*
|
||||
* @return The index buffer if successful, otherwise NULL.
|
||||
*/
|
||||
GrIndexBuffer* createInstancedIndexBuffer(const uint16_t* pattern,
|
||||
int patternSize,
|
||||
int reps,
|
||||
int vertCount,
|
||||
bool isDynamic = false);
|
||||
|
||||
/**
|
||||
* Returns an index buffer that can be used to render quads.
|
||||
* Six indices per quad: 0, 1, 2, 0, 2, 3, etc.
|
||||
|
||||
@ -26,7 +26,7 @@
|
||||
#include "effects/GrRRectEffect.h"
|
||||
|
||||
namespace {
|
||||
|
||||
// TODO(joshualitt) add per vertex colors
|
||||
struct CircleVertex {
|
||||
SkPoint fPos;
|
||||
SkPoint fOffset;
|
||||
@ -478,13 +478,13 @@ bool GrOvalRenderer::drawOval(GrDrawTarget* target, const GrContext* context, bo
|
||||
// we can draw circles
|
||||
if (SkScalarNearlyEqual(oval.width(), oval.height())
|
||||
&& circle_stays_circle(vm)) {
|
||||
this->drawCircle(target, useCoverageAA, oval, stroke);
|
||||
this->drawCircle(target, context, useCoverageAA, oval, stroke);
|
||||
// if we have shader derivative support, render as device-independent
|
||||
} else if (target->caps()->shaderDerivativeSupport()) {
|
||||
return this->drawDIEllipse(target, useCoverageAA, oval, stroke);
|
||||
return this->drawDIEllipse(target, context, useCoverageAA, oval, stroke);
|
||||
// otherwise axis-aligned ellipses only
|
||||
} else if (vm.rectStaysRect()) {
|
||||
return this->drawEllipse(target, useCoverageAA, oval, stroke);
|
||||
return this->drawEllipse(target, context, useCoverageAA, oval, stroke);
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
@ -501,6 +501,7 @@ extern const GrVertexAttrib gCircleVertexAttribs[] = {
|
||||
};
|
||||
|
||||
void GrOvalRenderer::drawCircle(GrDrawTarget* target,
|
||||
const GrContext* context,
|
||||
bool useCoverageAA,
|
||||
const SkRect& circle,
|
||||
const SkStrokeRec& stroke)
|
||||
@ -572,22 +573,24 @@ void GrOvalRenderer::drawCircle(GrDrawTarget* target,
|
||||
verts[0].fOuterRadius = outerRadius;
|
||||
verts[0].fInnerRadius = innerRadius;
|
||||
|
||||
verts[1].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[1].fOffset = SkPoint::Make(outerRadius, -outerRadius);
|
||||
verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[1].fOffset = SkPoint::Make(-outerRadius, outerRadius);
|
||||
verts[1].fOuterRadius = outerRadius;
|
||||
verts[1].fInnerRadius = innerRadius;
|
||||
|
||||
verts[2].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[2].fOffset = SkPoint::Make(-outerRadius, outerRadius);
|
||||
verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[2].fOffset = SkPoint::Make(outerRadius, outerRadius);
|
||||
verts[2].fOuterRadius = outerRadius;
|
||||
verts[2].fInnerRadius = innerRadius;
|
||||
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[3].fOffset = SkPoint::Make(outerRadius, outerRadius);
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[3].fOffset = SkPoint::Make(outerRadius, -outerRadius);
|
||||
verts[3].fOuterRadius = outerRadius;
|
||||
verts[3].fInnerRadius = innerRadius;
|
||||
|
||||
target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds);
|
||||
target->setIndexSourceToBuffer(context->getGpu()->getQuadIndexBuffer());
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 4, 6, &bounds);
|
||||
target->resetIndexSource();
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
@ -607,6 +610,7 @@ extern const GrVertexAttrib gDIEllipseVertexAttribs[] = {
|
||||
};
|
||||
|
||||
bool GrOvalRenderer::drawEllipse(GrDrawTarget* target,
|
||||
const GrContext* context,
|
||||
bool useCoverageAA,
|
||||
const SkRect& ellipse,
|
||||
const SkStrokeRec& stroke)
|
||||
@ -718,27 +722,30 @@ bool GrOvalRenderer::drawEllipse(GrDrawTarget* target,
|
||||
verts[0].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip);
|
||||
verts[0].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip);
|
||||
|
||||
verts[1].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[1].fOffset = SkPoint::Make(xRadius, -yRadius);
|
||||
verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[1].fOffset = SkPoint::Make(-xRadius, yRadius);
|
||||
verts[1].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip);
|
||||
verts[1].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip);
|
||||
|
||||
verts[2].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[2].fOffset = SkPoint::Make(-xRadius, yRadius);
|
||||
verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[2].fOffset = SkPoint::Make(xRadius, yRadius);
|
||||
verts[2].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip);
|
||||
verts[2].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip);
|
||||
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[3].fOffset = SkPoint::Make(xRadius, yRadius);
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[3].fOffset = SkPoint::Make(xRadius, -yRadius);
|
||||
verts[3].fOuterRadii = SkPoint::Make(xRadRecip, yRadRecip);
|
||||
verts[3].fInnerRadii = SkPoint::Make(xInnerRadRecip, yInnerRadRecip);
|
||||
|
||||
target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds);
|
||||
target->setIndexSourceToBuffer(context->getGpu()->getQuadIndexBuffer());
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 4, 6, &bounds);
|
||||
target->resetIndexSource();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool GrOvalRenderer::drawDIEllipse(GrDrawTarget* target,
|
||||
const GrContext* context,
|
||||
bool useCoverageAA,
|
||||
const SkRect& ellipse,
|
||||
const SkStrokeRec& stroke)
|
||||
@ -832,19 +839,21 @@ bool GrOvalRenderer::drawDIEllipse(GrDrawTarget* target,
|
||||
verts[0].fOuterOffset = SkPoint::Make(-1.0f - offsetDx, -1.0f - offsetDy);
|
||||
verts[0].fInnerOffset = SkPoint::Make(-innerRatioX - offsetDx, -innerRatioY - offsetDy);
|
||||
|
||||
verts[1].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[1].fOuterOffset = SkPoint::Make(1.0f + offsetDx, -1.0f - offsetDy);
|
||||
verts[1].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, -innerRatioY - offsetDy);
|
||||
verts[1].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[1].fOuterOffset = SkPoint::Make(-1.0f - offsetDx, 1.0f + offsetDy);
|
||||
verts[1].fInnerOffset = SkPoint::Make(-innerRatioX - offsetDx, innerRatioY + offsetDy);
|
||||
|
||||
verts[2].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
|
||||
verts[2].fOuterOffset = SkPoint::Make(-1.0f - offsetDx, 1.0f + offsetDy);
|
||||
verts[2].fInnerOffset = SkPoint::Make(-innerRatioX - offsetDx, innerRatioY + offsetDy);
|
||||
verts[2].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[2].fOuterOffset = SkPoint::Make(1.0f + offsetDx, 1.0f + offsetDy);
|
||||
verts[2].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, innerRatioY + offsetDy);
|
||||
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
|
||||
verts[3].fOuterOffset = SkPoint::Make(1.0f + offsetDx, 1.0f + offsetDy);
|
||||
verts[3].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, innerRatioY + offsetDy);
|
||||
verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
|
||||
verts[3].fOuterOffset = SkPoint::Make(1.0f + offsetDx, -1.0f - offsetDy);
|
||||
verts[3].fInnerOffset = SkPoint::Make(innerRatioX + offsetDx, -innerRatioY - offsetDy);
|
||||
|
||||
target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds);
|
||||
target->setIndexSourceToBuffer(context->getGpu()->getQuadIndexBuffer());
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 4, 6, &bounds);
|
||||
target->resetIndexSource();
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -869,21 +878,29 @@ static const uint16_t gRRectIndices[] = {
|
||||
5, 6, 10, 5, 10, 9
|
||||
};
|
||||
|
||||
static const int kIndicesPerStrokeRRect = SK_ARRAY_COUNT(gRRectIndices) - 6;
|
||||
static const int kIndicesPerRRect = SK_ARRAY_COUNT(gRRectIndices);
|
||||
static const int kVertsPerRRect = 16;
|
||||
static const int kNumRRectsInIndexBuffer = 256;
|
||||
|
||||
GrIndexBuffer* GrOvalRenderer::rRectIndexBuffer(GrGpu* gpu) {
|
||||
if (NULL == fRRectIndexBuffer) {
|
||||
fRRectIndexBuffer =
|
||||
gpu->createIndexBuffer(sizeof(gRRectIndices), false);
|
||||
if (fRRectIndexBuffer) {
|
||||
#ifdef SK_DEBUG
|
||||
bool updated =
|
||||
#endif
|
||||
fRRectIndexBuffer->updateData(gRRectIndices,
|
||||
sizeof(gRRectIndices));
|
||||
GR_DEBUGASSERT(updated);
|
||||
GrIndexBuffer* GrOvalRenderer::rRectIndexBuffer(bool isStrokeOnly, GrGpu* gpu) {
|
||||
if (isStrokeOnly) {
|
||||
if (NULL == fStrokeRRectIndexBuffer) {
|
||||
fStrokeRRectIndexBuffer = gpu->createInstancedIndexBuffer(gRRectIndices,
|
||||
kIndicesPerStrokeRRect,
|
||||
kNumRRectsInIndexBuffer,
|
||||
kVertsPerRRect);
|
||||
}
|
||||
return fStrokeRRectIndexBuffer;
|
||||
} else {
|
||||
if (NULL == fRRectIndexBuffer) {
|
||||
fRRectIndexBuffer = gpu->createInstancedIndexBuffer(gRRectIndices,
|
||||
kIndicesPerRRect,
|
||||
kNumRRectsInIndexBuffer,
|
||||
kVertsPerRRect);
|
||||
}
|
||||
return fRRectIndexBuffer;
|
||||
}
|
||||
return fRRectIndexBuffer;
|
||||
}
|
||||
|
||||
bool GrOvalRenderer::drawDRRect(GrDrawTarget* target, GrContext* context, bool useAA,
|
||||
@ -1018,7 +1035,7 @@ bool GrOvalRenderer::drawRRect(GrDrawTarget* target, GrContext* context, bool us
|
||||
return false;
|
||||
}
|
||||
|
||||
GrIndexBuffer* indexBuffer = this->rRectIndexBuffer(context->getGpu());
|
||||
GrIndexBuffer* indexBuffer = this->rRectIndexBuffer(isStrokeOnly, context->getGpu());
|
||||
if (NULL == indexBuffer) {
|
||||
GrPrintf("Failed to create index buffer!\n");
|
||||
return false;
|
||||
@ -1110,7 +1127,7 @@ bool GrOvalRenderer::drawRRect(GrDrawTarget* target, GrContext* context, bool us
|
||||
int indexCnt = isStrokeOnly ? SK_ARRAY_COUNT(gRRectIndices) - 6 :
|
||||
SK_ARRAY_COUNT(gRRectIndices);
|
||||
target->setIndexSourceToBuffer(indexBuffer);
|
||||
target->drawIndexed(kTriangles_GrPrimitiveType, 0, 0, 16, indexCnt, &bounds);
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 16, indexCnt, &bounds);
|
||||
|
||||
// otherwise we use the ellipse renderer
|
||||
} else {
|
||||
@ -1217,8 +1234,9 @@ bool GrOvalRenderer::drawRRect(GrDrawTarget* target, GrContext* context, bool us
|
||||
int indexCnt = isStrokeOnly ? SK_ARRAY_COUNT(gRRectIndices) - 6 :
|
||||
SK_ARRAY_COUNT(gRRectIndices);
|
||||
target->setIndexSourceToBuffer(indexBuffer);
|
||||
target->drawIndexed(kTriangles_GrPrimitiveType, 0, 0, 16, indexCnt, &bounds);
|
||||
target->drawIndexedInstances(kTriangles_GrPrimitiveType, 1, 16, indexCnt, &bounds);
|
||||
}
|
||||
|
||||
target->resetIndexSource();
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -24,7 +24,7 @@ class GrOvalRenderer : public SkRefCnt {
|
||||
public:
|
||||
SK_DECLARE_INST_COUNT(GrOvalRenderer)
|
||||
|
||||
GrOvalRenderer() : fRRectIndexBuffer(NULL) {}
|
||||
GrOvalRenderer() : fRRectIndexBuffer(NULL), fStrokeRRectIndexBuffer(NULL) {}
|
||||
~GrOvalRenderer() {
|
||||
this->reset();
|
||||
}
|
||||
@ -39,19 +39,20 @@ public:
|
||||
const SkRRect& outer, const SkRRect& inner);
|
||||
|
||||
private:
|
||||
bool drawEllipse(GrDrawTarget* target, bool useCoverageAA,
|
||||
bool drawEllipse(GrDrawTarget* target, const GrContext* context, bool useCoverageAA,
|
||||
const SkRect& ellipse,
|
||||
const SkStrokeRec& stroke);
|
||||
bool drawDIEllipse(GrDrawTarget* target, bool useCoverageAA,
|
||||
bool drawDIEllipse(GrDrawTarget* target, const GrContext* context, bool useCoverageAA,
|
||||
const SkRect& ellipse,
|
||||
const SkStrokeRec& stroke);
|
||||
void drawCircle(GrDrawTarget* target, bool useCoverageAA,
|
||||
void drawCircle(GrDrawTarget* target, const GrContext* context, bool useCoverageAA,
|
||||
const SkRect& circle,
|
||||
const SkStrokeRec& stroke);
|
||||
|
||||
GrIndexBuffer* rRectIndexBuffer(GrGpu* gpu);
|
||||
GrIndexBuffer* rRectIndexBuffer(bool isStrokeOnly, GrGpu* gpu);
|
||||
|
||||
GrIndexBuffer* fRRectIndexBuffer;
|
||||
GrIndexBuffer* fStrokeRRectIndexBuffer;
|
||||
|
||||
typedef SkRefCnt INHERITED;
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user