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Attempt to reland r7713 with fix.

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git-svn-id: http://skia.googlecode.com/svn/trunk@7719 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2013-02-13 16:03:51 +00:00
parent 1eeef1646d
commit 6a51dcbf81
5 changed files with 132 additions and 120 deletions
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59
src/gpu/gl/GrGLProgram.cpp
View File

@ -211,12 +211,8 @@ GrGLProgram::GrGLProgram(const GrGLContextInfo& gl,
fFShaderID = 0;
fProgramID = 0;
fViewMatrix = SkMatrix::InvalidMatrix();
fViewportSize.set(-1, -1);
fOrigin = (GrSurfaceOrigin) -1;
fColor = GrColor_ILLEGAL;
fColorFilterColor = GrColor_ILLEGAL;
fRTHeight = -1;
for (int s = 0; s < GrDrawState::kNumStages; ++s) {
fEffects[s] = NULL;
@ -1051,15 +1047,9 @@ void GrGLProgram::setData(GrGpuGL* gpu,
SharedGLState* sharedState) {
const GrDrawState& drawState = gpu->getDrawState();
int rtHeight = drawState.getRenderTarget()->height();
if (GrGLUniformManager::kInvalidUniformHandle != fUniformHandles.fRTHeightUni &&
fRTHeight != rtHeight) {
fUniformManager.set1f(fUniformHandles.fRTHeightUni, SkIntToScalar(rtHeight));
fRTHeight = rtHeight;
}
this->setColor(drawState, color, sharedState);
this->setCoverage(drawState, coverage, sharedState);
this->setMatrixAndRenderTargetHeight(drawState);
// Setup the SkXfermode::Mode-based colorfilter uniform if necessary
if (GrGLUniformManager::kInvalidUniformHandle != fUniformHandles.fColorFilterUni &&
@ -1157,3 +1147,50 @@ void GrGLProgram::setCoverage(const GrDrawState& drawState,
}
}
}
void GrGLProgram::setMatrixAndRenderTargetHeight(const GrDrawState& drawState) {
const GrRenderTarget* rt = drawState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
// Load the RT height uniform if it is needed to y-flip gl_FragCoord.
if (GrGLUniformManager::kInvalidUniformHandle != fUniformHandles.fRTHeightUni &&
fMatrixState.fRenderTargetSize.fHeight != size.fHeight) {
fUniformManager.set1f(fUniformHandles.fRTHeightUni, SkIntToScalar(size.fHeight));
}
if (fMatrixState.fRenderTargetOrigin != rt->origin() ||
!fMatrixState.fViewMatrix.cheapEqualTo(drawState.getViewMatrix()) ||
fMatrixState.fRenderTargetSize != size) {
SkMatrix m;
if (kBottomLeft_GrSurfaceOrigin == rt->origin()) {
m.setAll(
SkIntToScalar(2) / size.fWidth, 0, -SK_Scalar1,
0,-SkIntToScalar(2) / size.fHeight, SK_Scalar1,
0, 0, SkMatrix::I()[8]);
} else {
m.setAll(
SkIntToScalar(2) / size.fWidth, 0, -SK_Scalar1,
0, SkIntToScalar(2) / size.fHeight,-SK_Scalar1,
0, 0, SkMatrix::I()[8]);
}
m.setConcat(m, drawState.getViewMatrix());
// ES doesn't allow you to pass true to the transpose param so we do our own transpose.
GrGLfloat mt[] = {
SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
SkScalarToFloat(m[SkMatrix::kMPersp0]),
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
SkScalarToFloat(m[SkMatrix::kMPersp1]),
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]),
SkScalarToFloat(m[SkMatrix::kMPersp2])
};
fUniformManager.setMatrix3f(fUniformHandles.fViewMatrixUni, mt);
fMatrixState.fViewMatrix = drawState.getViewMatrix();
fMatrixState.fRenderTargetSize = size;
fMatrixState.fRenderTargetOrigin = rt->origin();
}
}

37
src/gpu/gl/GrGLProgram.h
View File

@ -73,6 +73,11 @@ public:
const Desc& getDesc() { return fDesc; }
/**
* Gets the GL program ID for this program.
*/
GrGLuint programID() const { return fProgramID; }
/**
* Attribute indices. These should not overlap.
*/
@ -98,6 +103,25 @@ public:
}
};
/**
* The GrDrawState's view matrix along with the aspects of the render target determine the
* matrix sent to GL. The size of the render target affects the GL matrix because we must
* convert from Skia device coords to GL's normalized coords. Also the origin of the render
* target may require us to perform a mirror-flip.
*/
struct MatrixState {
SkMatrix fViewMatrix;
SkISize fRenderTargetSize;
GrSurfaceOrigin fRenderTargetOrigin;
MatrixState() { this->invalidate(); }
void invalidate() {
fViewMatrix = SkMatrix::InvalidMatrix();
fRenderTargetSize.fWidth = -1; // just make the first value compared illegal.
fRenderTargetOrigin = (GrSurfaceOrigin) -1;
}
};
/**
* This function uploads uniforms and calls each GrGLEffect's setData. It is called before a
* draw occurs using the program after the program has already been bound. It also uses the
@ -174,6 +198,7 @@ public:
friend class GrGLProgram;
};
private:
GrGLProgram(const GrGLContextInfo& gl,
const Desc& desc,
@ -220,6 +245,9 @@ private:
// per-vertex coverages.
void setCoverage(const GrDrawState&, GrColor coverage, SharedGLState*);
// Helper for setData() that sets the view matrix and loads the render target height uniform
void setMatrixAndRenderTargetHeight(const GrDrawState&);
typedef SkSTArray<4, UniformHandle, true> SamplerUniSArray;
struct UniformHandles {
@ -247,17 +275,12 @@ private:
GrGLuint fGShaderID;
GrGLuint fFShaderID;
GrGLuint fProgramID;
// The matrix sent to GL is determined by the client's matrix,
// the size of the viewport, and the origin of the render target.
SkMatrix fViewMatrix;
SkISize fViewportSize;
GrSurfaceOrigin fOrigin;
// these reflect the current values of uniforms (GL uniform values travel with program)
MatrixState fMatrixState;
GrColor fColor;
GrColor fCoverage;
GrColor fColorFilterColor;
int fRTHeight;
GrGLEffect* fEffects[GrDrawState::kNumStages];
@ -267,8 +290,6 @@ private:
GrGLUniformManager fUniformManager;
UniformHandles fUniformHandles;
friend class GrGpuGL; // TODO: remove this by adding getters and moving functionality.
typedef GrRefCnt INHERITED;
};

4
src/gpu/gl/GrGpuGL.cpp
View File

@ -188,7 +188,7 @@ GrGpuGL::~GrGpuGL() {
if (0 != fHWProgramID) {
// detach the current program so there is no confusion on OpenGL's part
// that we want it to be deleted
GrAssert(fHWProgramID == fCurrentProgram->fProgramID);
GrAssert(fHWProgramID == fCurrentProgram->programID());
GL_CALL(UseProgram(0));
}
@ -453,7 +453,7 @@ void GrGpuGL::onResetContext() {
fHWBoundRenderTarget = NULL;
fHWPathMatrixState.invalidate();
fHWPathStencilMatrixState.invalidate();
if (fCaps.pathStencilingSupport()) {
// we don't use the model view matrix.
GL_CALL(MatrixMode(GR_GL_MODELVIEW));

31
src/gpu/gl/GrGpuGL.h
View File

@ -181,9 +181,8 @@ private:
const GrGLContextInfo& fGL;
};
// sets the MVP matrix uniform for currently bound program
void flushViewMatrix(DrawType type);
// sets the matrix for path stenciling (uses the GL fixed pipe matrices)
void flushPathStencilMatrix();
// flushes dithering, color-mask, and face culling stat
void flushMiscFixedFunctionState();
@ -305,25 +304,17 @@ private:
}
} fHWAAState;
struct {
SkMatrix fViewMatrix;
SkISize fRTSize;
GrSurfaceOrigin fLastOrigin;
void invalidate() {
fViewMatrix = SkMatrix::InvalidMatrix();
fRTSize.fWidth = -1; // just make the first value compared illegal.
fLastOrigin = (GrSurfaceOrigin) -1;
}
} fHWPathMatrixState;
GrStencilSettings fHWStencilSettings;
TriState fHWStencilTestEnabled;
GrGLProgram::MatrixState fHWPathStencilMatrixState;
GrDrawState::DrawFace fHWDrawFace;
TriState fHWWriteToColor;
TriState fHWDitherEnabled;
GrRenderTarget* fHWBoundRenderTarget;
GrTexture* fHWBoundTextures[GrDrawState::kNumStages];
GrStencilSettings fHWStencilSettings;
TriState fHWStencilTestEnabled;
GrDrawState::DrawFace fHWDrawFace;
TriState fHWWriteToColor;
TriState fHWDitherEnabled;
GrRenderTarget* fHWBoundRenderTarget;
GrTexture* fHWBoundTextures[GrDrawState::kNumStages];
///@}
// we record what stencil format worked last time to hopefully exit early

121
src/gpu/gl/GrGpuGL_program.cpp
View File

@ -82,106 +82,68 @@ void GrGpuGL::abandonResources(){
#define GL_CALL(X) GR_GL_CALL(this->glInterface(), X)
void GrGpuGL::flushViewMatrix(DrawType type) {
const GrGLRenderTarget* rt = static_cast<const GrGLRenderTarget*>(this->getDrawState().getRenderTarget());
SkISize viewportSize;
const GrGLIRect& viewport = rt->getViewport();
viewportSize.set(viewport.fWidth, viewport.fHeight);
void GrGpuGL::flushPathStencilMatrix() {
const SkMatrix& viewMatrix = this->getDrawState().getViewMatrix();
const GrRenderTarget* rt = this->getDrawState().getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
const SkMatrix& vm = this->getDrawState().getViewMatrix();
if (kStencilPath_DrawType == type) {
if (fHWPathMatrixState.fLastOrigin != rt->origin() ||
fHWPathMatrixState.fViewMatrix != vm ||
fHWPathMatrixState.fRTSize != viewportSize) {
// rescale the coords from skia's "device" coords to GL's normalized coords,
// and perform a y-flip if required.
SkMatrix m;
if (kBottomLeft_GrSurfaceOrigin == rt->origin()) {
m.setScale(SkIntToScalar(2) / rt->width(), SkIntToScalar(-2) / rt->height());
m.postTranslate(-SK_Scalar1, SK_Scalar1);
} else {
m.setScale(SkIntToScalar(2) / rt->width(), SkIntToScalar(2) / rt->height());
m.postTranslate(-SK_Scalar1, -SK_Scalar1);
}
m.preConcat(vm);
// GL wants a column-major 4x4.
GrGLfloat mv[] = {
// col 0
SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp0]),
// col 1
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp1]),
// col 2
0, 0, 0, 0,
// col3
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]),
0.0f,
SkScalarToFloat(m[SkMatrix::kMPersp2])
};
GL_CALL(MatrixMode(GR_GL_PROJECTION));
GL_CALL(LoadMatrixf(mv));
fHWPathMatrixState.fViewMatrix = vm;
fHWPathMatrixState.fRTSize = viewportSize;
fHWPathMatrixState.fLastOrigin = rt->origin();
}
} else if (fCurrentProgram->fOrigin != rt->origin() ||
!fCurrentProgram->fViewMatrix.cheapEqualTo(vm) ||
fCurrentProgram->fViewportSize != viewportSize) {
if (fHWPathStencilMatrixState.fRenderTargetOrigin != rt->origin() ||
fHWPathStencilMatrixState.fViewMatrix.cheapEqualTo(viewMatrix) ||
fHWPathStencilMatrixState.fRenderTargetSize!= size) {
// rescale the coords from skia's "device" coords to GL's normalized coords,
// and perform a y-flip if required.
SkMatrix m;
if (kBottomLeft_GrSurfaceOrigin == rt->origin()) {
m.setAll(
SkIntToScalar(2) / viewportSize.fWidth, 0, -SK_Scalar1,
0,-SkIntToScalar(2) / viewportSize.fHeight, SK_Scalar1,
0, 0, SkMatrix::I()[8]);
m.setScale(SkIntToScalar(2) / rt->width(), SkIntToScalar(-2) / rt->height());
m.postTranslate(-SK_Scalar1, SK_Scalar1);
} else {
m.setAll(
SkIntToScalar(2) / viewportSize.fWidth, 0, -SK_Scalar1,
0, SkIntToScalar(2) / viewportSize.fHeight,-SK_Scalar1,
0, 0, SkMatrix::I()[8]);
m.setScale(SkIntToScalar(2) / rt->width(), SkIntToScalar(2) / rt->height());
m.postTranslate(-SK_Scalar1, -SK_Scalar1);
}
m.setConcat(m, vm);
m.preConcat(vm);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
// GL wants a column-major 4x4.
GrGLfloat mv[] = {
// col 0
SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp0]),
// col 1
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
0,
SkScalarToFloat(m[SkMatrix::kMPersp1]),
// col 2
0, 0, 0, 0,
// col3
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]),
0.0f,
SkScalarToFloat(m[SkMatrix::kMPersp2])
};
fCurrentProgram->fUniformManager.setMatrix3f(
fCurrentProgram->fUniformHandles.fViewMatrixUni,
mt);
fCurrentProgram->fViewMatrix = vm;
fCurrentProgram->fViewportSize = viewportSize;
fCurrentProgram->fOrigin = rt->origin();
GL_CALL(MatrixMode(GR_GL_PROJECTION));
GL_CALL(LoadMatrixf(mv));
fHWPathStencilMatrixState.fViewMatrix = vm;
fHWPathStencilMatrixState.fRenderTargetSize = size;
fHWPathStencilMatrixState.fRenderTargetOrigin = rt->origin();
}
}
bool GrGpuGL::flushGraphicsState(DrawType type) {
const GrDrawState& drawState = this->getDrawState();
// GrGpu::setupClipAndFlushState should have already checked this
// and bailed if not true.
// GrGpu::setupClipAndFlushState should have already checked this and bailed if not true.
GrAssert(NULL != drawState.getRenderTarget());
if (kStencilPath_DrawType != type) {
if (kStencilPath_DrawType == type) {
this->flushPathStencilMatrix();
} else {
this->flushMiscFixedFunctionState();
GrBlendCoeff srcCoeff;
@ -211,10 +173,12 @@ bool GrGpuGL::flushGraphicsState(DrawType type) {
}
fCurrentProgram.get()->ref();
if (fHWProgramID != fCurrentProgram->fProgramID) {
GL_CALL(UseProgram(fCurrentProgram->fProgramID));
fHWProgramID = fCurrentProgram->fProgramID;
GrGLuint programID = fCurrentProgram->programID();
if (fHWProgramID != programID) {
GL_CALL(UseProgram(programID));
fHWProgramID = programID;
}
fCurrentProgram->overrideBlend(&srcCoeff, &dstCoeff);
this->flushBlend(kDrawLines_DrawType == type, srcCoeff, dstCoeff);
@ -233,7 +197,6 @@ bool GrGpuGL::flushGraphicsState(DrawType type) {
fCurrentProgram->setData(this, color, coverage, &fSharedGLProgramState);
}
this->flushStencil(type);
this->flushViewMatrix(type);
this->flushScissor();
this->flushAAState(type);