aboutsummaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
Diffstat
-rw-r--r--gn/samples.gni1
-rw-r--r--samplecode/SampleFlutterAnimate.cpp107
-rw-r--r--src/gpu/GrContext.cpp20
-rw-r--r--src/gpu/effects/GrAtlasedShaderHelpers.h20
-rw-r--r--src/gpu/effects/GrBitmapTextGeoProc.cpp3
-rw-r--r--src/gpu/effects/GrDistanceFieldGeoProc.cpp9
-rw-r--r--src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp38
7 files changed, 174 insertions, 24 deletions
diff --git a/gn/samples.gni b/gn/samples.gni
index 6e1bcac893..7c0d9e2617 100644
--- a/gn/samples.gni
+++ b/gn/samples.gni
@@ -48,6 +48,7 @@ samples_sources = [
"$_samplecode/SampleFilter2.cpp",
"$_samplecode/SampleFilterFuzz.cpp",
"$_samplecode/SampleFilterQuality.cpp",
+ "$_samplecode/SampleFlutterAnimate.cpp",
"$_samplecode/SampleFontScalerTest.cpp",
"$_samplecode/SampleFuzz.cpp",
"$_samplecode/SampleGradients.cpp",
diff --git a/samplecode/SampleFlutterAnimate.cpp b/samplecode/SampleFlutterAnimate.cpp
new file mode 100644
index 0000000000..63b453b240
--- /dev/null
+++ b/samplecode/SampleFlutterAnimate.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SampleCode.h"
+#include "SkAnimTimer.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkUtils.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkImage.h"
+#include "SkRandom.h"
+#include "SkSystemEventTypes.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+#include "Timer.h"
+
+#if SK_SUPPORT_GPU
+#include "GrContext.h"
+#endif
+
+class FlutterAnimateView : public SampleView {
+public:
+ FlutterAnimateView() : fCurrTime(0), fResetTime(0) {}
+
+protected:
+ void onOnceBeforeDraw() override {
+ initChars();
+ }
+
+ // overrides from SkEventSink
+ bool onQuery(SkEvent* evt) override {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "FlutterAnimate");
+ return true;
+ }
+
+ return this->INHERITED::onQuery(evt);
+ }
+
+ void onDrawContent(SkCanvas* canvas) override {
+ SkPaint paint;
+ paint.setTypeface(SkTypeface::MakeFromFile("/skimages/samplefont.ttf"));
+ paint.setAntiAlias(true);
+ paint.setFilterQuality(kMedium_SkFilterQuality);
+ paint.setTextSize(50);
+
+ canvas->clear(SK_ColorWHITE);
+ for (int i = 0; i < kNumChars; ++i) {
+ canvas->save();
+ double rot = fChars[i].fStartRotation + (fChars[i].fEndRotation - fChars[i].fStartRotation)*fCurrTime/kDuration;
+ canvas->translate(fChars[i].fPosition.fX + 35,fChars[i].fPosition.fY - 50);
+ canvas->rotate(rot*180.0/SK_MScalarPI);
+ canvas->translate(-35,+50);
+ canvas->drawString(fChars[i].fChar, 0, 0,
+ paint);
+ canvas->restore();
+ }
+ }
+
+ bool onAnimate(const SkAnimTimer& timer) override {
+ fCurrTime = timer.secs() - fResetTime;
+ if (fCurrTime > kDuration) {
+ this->initChars();
+ fResetTime = timer.secs();
+ fCurrTime = 0;
+ }
+
+ return true;
+ }
+
+private:
+ void initChars() {
+ for (int i = 0; i < kNumChars; ++i) {
+ char c = fRand.nextULessThan(26) + 65;
+ fChars[i].fChar.set(&c, 1);
+ fChars[i].fPosition = SkPoint::Make(fRand.nextF()*748 + 10, fRand.nextF()*1004 + 10);
+ fChars[i].fStartRotation = fRand.nextF();
+ fChars[i].fEndRotation = fRand.nextF() * 20 - 10;
+ }
+ }
+
+ static constexpr double kDuration = 5.0;
+ double fCurrTime;
+ double fResetTime;
+ SkRandom fRand;
+
+ struct AnimatedChar {
+ SkString fChar;
+ SkPoint fPosition;
+ SkScalar fStartRotation;
+ SkScalar fEndRotation;
+ };
+ static constexpr int kNumChars = 40;
+ AnimatedChar fChars[kNumChars];
+
+ typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new FlutterAnimateView; }
+static SkViewRegister reg(MyFactory);
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 68cf42ef2a..69acd15cb2 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -211,20 +211,12 @@ bool GrContext::init(const GrContextOptions& options) {
new GrDrawingManager(this, prcOptions, atlasTextContextOptions, &fSingleOwner));
GrDrawOpAtlas::AllowMultitexturing allowMultitexturing;
- switch (options.fAllowMultipleGlyphCacheTextures) {
- case GrContextOptions::Enable::kDefault:
-#ifdef SK_BUILD_FOR_IOS
- allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kNo;
-#else
- allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kYes;
-#endif
- break;
- case GrContextOptions::Enable::kNo:
- allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kNo;
- break;
- case GrContextOptions::Enable::kYes:
- allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kYes;
- break;
+ if (GrContextOptions::Enable::kNo == options.fAllowMultipleGlyphCacheTextures ||
+ // multitexturing supported only if range can represent the index + texcoords fully
+ !(fCaps->shaderCaps()->floatIs32Bits() || fCaps->shaderCaps()->integerSupport())) {
+ allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kNo;
+ } else {
+ allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kYes;
}
fAtlasGlyphCache = new GrAtlasGlyphCache(this, options.fGlyphCacheTextureMaximumBytes,
allowMultitexturing);
diff --git a/src/gpu/effects/GrAtlasedShaderHelpers.h b/src/gpu/effects/GrAtlasedShaderHelpers.h
index ad901411db..7fc321daa2 100644
--- a/src/gpu/effects/GrAtlasedShaderHelpers.h
+++ b/src/gpu/effects/GrAtlasedShaderHelpers.h
@@ -8,6 +8,7 @@
#ifndef GrAtlasedShaderHelpers_DEFINED
#define GrAtlasedShaderHelpers_DEFINED
+#include "GrShaderCaps.h"
#include "glsl/GrGLSLPrimitiveProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "glsl/GrGLSLVarying.h"
@@ -22,17 +23,24 @@ static void append_index_uv_varyings(GrGLSLPrimitiveProcessor::EmitArgs& args,
// This extracts the texture index and texel coordinates from the same variable
// Packing structure: texel coordinates are multiplied by 2 (or shifted left 1)
// texture index is stored as lower bits of both x and y
- args.fVertBuilder->codeAppendf("half2 indexTexCoords = half2(%s.x, %s.y);",
- inTexCoordsName, inTexCoordsName);
- args.fVertBuilder->codeAppend("half2 intCoords = floor(0.5*indexTexCoords);");
- args.fVertBuilder->codeAppend("half2 diff = indexTexCoords - 2.0*intCoords;");
- args.fVertBuilder->codeAppend("half texIdx = 2.0*diff.x + diff.y;");
+ if (args.fShaderCaps->integerSupport()) {
+ args.fVertBuilder->codeAppendf("int2 signedCoords = int2(%s);", inTexCoordsName);
+ args.fVertBuilder->codeAppend("int texIdx = 2*(signedCoords.x & 0x1) + (signedCoords.y & 0x1);");
+ args.fVertBuilder->codeAppend("signedCoords >>= 1;");
+ args.fVertBuilder->codeAppend("float2 intCoords = float2(signedCoords);");
+ } else {
+ args.fVertBuilder->codeAppendf("float2 indexTexCoords = float2(%s.x, %s.y);",
+ inTexCoordsName, inTexCoordsName);
+ args.fVertBuilder->codeAppend("float2 intCoords = floor(0.5*indexTexCoords);");
+ args.fVertBuilder->codeAppend("float2 diff = indexTexCoords - 2.0*intCoords;");
+ args.fVertBuilder->codeAppend("float texIdx = 2.0*diff.x + diff.y;");
+ }
// Multiply by 1/atlasSize to get normalized texture coordinates
args.fVaryingHandler->addVarying("TextureCoords", uv);
args.fVertBuilder->codeAppendf("%s = intCoords * %s;", uv->vsOut(), atlasSizeInvName);
- args.fVaryingHandler->addVarying("TexIndex", texIdx);
+ args.fVaryingHandler->addFlatVarying("TexIndex", texIdx);
args.fVertBuilder->codeAppendf("%s = texIdx;", texIdx->vsOut());
if (st) {
diff --git a/src/gpu/effects/GrBitmapTextGeoProc.cpp b/src/gpu/effects/GrBitmapTextGeoProc.cpp
index d5f930fec4..4193f1d24c 100644
--- a/src/gpu/effects/GrBitmapTextGeoProc.cpp
+++ b/src/gpu/effects/GrBitmapTextGeoProc.cpp
@@ -38,7 +38,8 @@ public:
&atlasSizeInvName);
GrGLSLVertToFrag uv(kFloat2_GrSLType);
- GrGLSLVertToFrag texIdx(kHalf_GrSLType);
+ GrSLType texIdxType = args.fShaderCaps->integerSupport() ? kInt_GrSLType : kFloat_GrSLType;
+ GrGLSLVertToFrag texIdx(texIdxType);
append_index_uv_varyings(args, btgp.inTextureCoords()->fName, atlasSizeInvName,
&uv, &texIdx, nullptr);
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.cpp b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
index aafabdeb60..3e9addef6d 100644
--- a/src/gpu/effects/GrDistanceFieldGeoProc.cpp
+++ b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
@@ -78,7 +78,8 @@ public:
// add varyings
GrGLSLVertToFrag uv(kFloat2_GrSLType);
- GrGLSLVertToFrag texIdx(kHalf_GrSLType);
+ GrSLType texIdxType = args.fShaderCaps->integerSupport() ? kInt_GrSLType : kFloat_GrSLType;
+ GrGLSLVertToFrag texIdx(texIdxType);
GrGLSLVertToFrag st(kFloat2_GrSLType);
append_index_uv_varyings(args, dfTexEffect.inTextureCoords()->fName, atlasSizeInvName,
&uv, &texIdx, &st);
@@ -344,7 +345,8 @@ public:
&atlasSizeInvName);
GrGLSLVertToFrag uv(kFloat2_GrSLType);
- GrGLSLVertToFrag texIdx(kHalf_GrSLType);
+ GrSLType texIdxType = args.fShaderCaps->integerSupport() ? kInt_GrSLType : kFloat_GrSLType;
+ GrGLSLVertToFrag texIdx(texIdxType);
GrGLSLVertToFrag st(kFloat2_GrSLType);
append_index_uv_varyings(args, dfTexEffect.inTextureCoords()->fName, atlasSizeInvName,
&uv, &texIdx, &st);
@@ -639,7 +641,8 @@ public:
// set up varyings
GrGLSLVertToFrag uv(kFloat2_GrSLType);
- GrGLSLVertToFrag texIdx(kHalf_GrSLType);
+ GrSLType texIdxType = args.fShaderCaps->integerSupport() ? kInt_GrSLType : kFloat_GrSLType;
+ GrGLSLVertToFrag texIdx(texIdxType);
GrGLSLVertToFrag st(kFloat2_GrSLType);
append_index_uv_varyings(args, dfTexEffect.inTextureCoords()->fName, atlasSizeInvName,
&uv, &texIdx, &st);
diff --git a/src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp b/src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp
index 28b2e0f0c0..81ae09a6f5 100644
--- a/src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp
+++ b/src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp
@@ -38,6 +38,9 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
bool useDistanceFields, SkScalar transX, SkScalar transY,
GrColor color) {
uint16_t u0, v0, u1, v1;
+#ifdef DISPLAY_PAGE_INDEX
+ SkColor hackColor;
+#endif
if (regenTexCoords) {
SkASSERT(glyph);
int width = glyph->fBounds.width();
@@ -67,6 +70,25 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
u1 |= uBit;
v1 <<= 1;
v1 |= vBit;
+#ifdef DISPLAY_PAGE_INDEX
+ switch (pageIndex) {
+ case 0:
+ hackColor = SK_ColorGREEN;
+ break;
+ case 1:
+ hackColor = SK_ColorRED;
+ break;
+ case 2:
+ hackColor = SK_ColorMAGENTA;
+ break;
+ case 3:
+ hackColor = SK_ColorCYAN;
+ break;
+ default:
+ hackColor = SK_ColorBLACK;
+ break;
+ }
+#endif
}
// This is a bit wonky, but sometimes we have LCD text, in which case we won't have color
@@ -90,6 +112,10 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
uint16_t* textureCoords = reinterpret_cast<uint16_t*>(vertex + texCoordOffset);
textureCoords[0] = u0;
textureCoords[1] = v0;
+#ifdef DISPLAY_PAGE_INDEX
+ SkColor* vcolor = reinterpret_cast<SkColor*>(vertex + colorOffset);
+ *vcolor = hackColor;
+#endif
}
vertex += vertexStride;
@@ -109,6 +135,10 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
uint16_t* textureCoords = reinterpret_cast<uint16_t*>(vertex + texCoordOffset);
textureCoords[0] = u0;
textureCoords[1] = v1;
+#ifdef DISPLAY_PAGE_INDEX
+ SkColor* vcolor = reinterpret_cast<SkColor*>(vertex + colorOffset);
+ *vcolor = hackColor;
+#endif
}
vertex += vertexStride;
@@ -128,6 +158,10 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
uint16_t* textureCoords = reinterpret_cast<uint16_t*>(vertex + texCoordOffset);
textureCoords[0] = u1;
textureCoords[1] = v0;
+#ifdef DISPLAY_PAGE_INDEX
+ SkColor* vcolor = reinterpret_cast<SkColor*>(vertex + colorOffset);
+ *vcolor = hackColor;
+#endif
}
vertex += vertexStride;
@@ -147,6 +181,10 @@ inline void regen_vertices(char* vertex, const GrGlyph* glyph, size_t vertexStri
uint16_t* textureCoords = reinterpret_cast<uint16_t*>(vertex + texCoordOffset);
textureCoords[0] = u1;
textureCoords[1] = v1;
+#ifdef DISPLAY_PAGE_INDEX
+ SkColor* vcolor = reinterpret_cast<SkColor*>(vertex + colorOffset);
+ *vcolor = hackColor;
+#endif
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-05 12:32:21 +0000