void GrGpuGLShaders::flushViewMatrix() {
GrAssert(NULL != fCurrDrawState.fRenderTarget);
GrMatrix m (
GrIntToScalar(2) / fCurrDrawState.fRenderTarget->width(), 0, -GR_Scalar1,
0,-GrIntToScalar(2) / fCurrDrawState.fRenderTarget->height(), GR_Scalar1,
0, 0, GrMatrix::I()[8]);
m.setConcat(m, fCurrDrawState.fViewMatrix);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrScalar mt[] = {
m[GrMatrix::kScaleX],
m[GrMatrix::kSkewY],
m[GrMatrix::kPersp0],
m[GrMatrix::kSkewX],
m[GrMatrix::kScaleY],
m[GrMatrix::kPersp1],
m[GrMatrix::kTransX],
m[GrMatrix::kTransY],
m[GrMatrix::kPersp2]
};
#if ATTRIBUTE_MATRIX
GR_GL(VertexAttrib4fv(VIEWMAT_ATTR_LOCATION+0, mt+0));
GR_GL(VertexAttrib4fv(VIEWMAT_ATTR_LOCATION+1, mt+3));
GR_GL(VertexAttrib4fv(VIEWMAT_ATTR_LOCATION+2, mt+6));
#else
GR_GL(UniformMatrix3fv(fProgramData->fUniLocations.fViewMatrixUni,1,false,mt));
#endif
}
void GrGpuGLShaders::flushTextureMatrix(int stage) {
GrAssert(NULL != fCurrDrawState.fTextures[stage]);
GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[stage];
GrMatrix m = getSamplerMatrix(stage);
GrSamplerState::SampleMode mode =
fCurrDrawState.fSamplerStates[0].getSampleMode();
AdjustTextureMatrix(texture, mode, &m);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrScalar mt[] = {
m[GrMatrix::kScaleX],
m[GrMatrix::kSkewY],
m[GrMatrix::kPersp0],
m[GrMatrix::kSkewX],
m[GrMatrix::kScaleY],
m[GrMatrix::kPersp1],
m[GrMatrix::kTransX],
m[GrMatrix::kTransY],
m[GrMatrix::kPersp2]
};
#if ATTRIBUTE_MATRIX
GR_GL(VertexAttrib4fv(TEXMAT_ATTR_LOCATION(0)+0, mt+0));
GR_GL(VertexAttrib4fv(TEXMAT_ATTR_LOCATION(0)+1, mt+3));
GR_GL(VertexAttrib4fv(TEXMAT_ATTR_LOCATION(0)+2, mt+6));
#else
GR_GL(UniformMatrix3fv(fProgramData->fUniLocations.fStages[stage].fTextureMatrixUni,
1, false, mt));
#endif
}
void GrGpuGLShaders::flushViewMatrix() {
const GrMatrix& vm = this->getDrawState().getViewMatrix();
if (!fProgramData->fViewMatrix.cheapEqualTo(vm)) {
const GrRenderTarget* rt = this->getDrawState().getRenderTarget();
GrAssert(NULL != rt);
GrMatrix m;
m.setAll(
GrIntToScalar(2) / rt->width(), 0, -GR_Scalar1,
0,-GrIntToScalar(2) / rt->height(), GR_Scalar1,
0, 0, GrMatrix::I()[8]);
m.setConcat(m, vm);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
GrScalarToFloat(m[GrMatrix::kMScaleX]),
GrScalarToFloat(m[GrMatrix::kMSkewY]),
GrScalarToFloat(m[GrMatrix::kMPersp0]),
GrScalarToFloat(m[GrMatrix::kMSkewX]),
GrScalarToFloat(m[GrMatrix::kMScaleY]),
GrScalarToFloat(m[GrMatrix::kMPersp1]),
GrScalarToFloat(m[GrMatrix::kMTransX]),
GrScalarToFloat(m[GrMatrix::kMTransY]),
GrScalarToFloat(m[GrMatrix::kMPersp2])
};
GrAssert(GrGLProgram::kUnusedUniform !=
fProgramData->fUniLocations.fViewMatrixUni);
GL_CALL(UniformMatrix3fv(fProgramData->fUniLocations.fViewMatrixUni,
1, false, mt));
fProgramData->fViewMatrix = vm;
}
}
void GrGpuGLShaders::flushTextureMatrix(int s) {
const GrGLint& uni = fProgramData->fUniLocations.fStages[s].fTextureMatrixUni;
GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s];
if (NULL != texture) {
if (GrGLProgram::kUnusedUniform != uni &&
(((1 << s) & fDirtyFlags.fTextureChangedMask) ||
getHWSamplerMatrix(s) != getSamplerMatrix(s))) {
GrAssert(NULL != fCurrDrawState.fTextures[s]);
GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s];
GrMatrix m = getSamplerMatrix(s);
GrSamplerState::SampleMode mode =
fCurrDrawState.fSamplerStates[s].getSampleMode();
AdjustTextureMatrix(texture, mode, &m);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
GrScalarToFloat(m[GrMatrix::kMScaleX]),
GrScalarToFloat(m[GrMatrix::kMSkewY]),
GrScalarToFloat(m[GrMatrix::kMPersp0]),
GrScalarToFloat(m[GrMatrix::kMSkewX]),
GrScalarToFloat(m[GrMatrix::kMScaleY]),
GrScalarToFloat(m[GrMatrix::kMPersp1]),
GrScalarToFloat(m[GrMatrix::kMTransX]),
GrScalarToFloat(m[GrMatrix::kMTransY]),
GrScalarToFloat(m[GrMatrix::kMPersp2])
};
if (GrGLProgram::kSetAsAttribute ==
fProgramData->fUniLocations.fStages[s].fTextureMatrixUni) {
int baseIdx = GrGLProgram::TextureMatrixAttributeIdx(s);
GL_CALL(VertexAttrib4fv(baseIdx + 0, mt+0));
GL_CALL(VertexAttrib4fv(baseIdx + 1, mt+3));
GL_CALL(VertexAttrib4fv(baseIdx + 2, mt+6));
} else {
GL_CALL(UniformMatrix3fv(uni, 1, false, mt));
}
recordHWSamplerMatrix(s, getSamplerMatrix(s));
}
}
}
void GrGpuGLShaders::flushViewMatrix() {
const GrMatrix& vm = this->getDrawState().getViewMatrix();
if (GrGpuGLShaders::getHWViewMatrix() != vm) {
const GrRenderTarget* rt = this->getDrawState().getRenderTarget();
GrAssert(NULL != rt);
GrMatrix m;
m.setAll(
GrIntToScalar(2) / rt->width(), 0, -GR_Scalar1,
0,-GrIntToScalar(2) / rt->height(), GR_Scalar1,
0, 0, GrMatrix::I()[8]);
m.setConcat(m, vm);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
GrScalarToFloat(m[GrMatrix::kMScaleX]),
GrScalarToFloat(m[GrMatrix::kMSkewY]),
GrScalarToFloat(m[GrMatrix::kMPersp0]),
GrScalarToFloat(m[GrMatrix::kMSkewX]),
GrScalarToFloat(m[GrMatrix::kMScaleY]),
GrScalarToFloat(m[GrMatrix::kMPersp1]),
GrScalarToFloat(m[GrMatrix::kMTransX]),
GrScalarToFloat(m[GrMatrix::kMTransY]),
GrScalarToFloat(m[GrMatrix::kMPersp2])
};
if (GrGLProgram::kSetAsAttribute ==
fProgramData->fUniLocations.fViewMatrixUni) {
int baseIdx = GrGLProgram::ViewMatrixAttributeIdx();
GL_CALL(VertexAttrib4fv(baseIdx + 0, mt+0));
GL_CALL(VertexAttrib4fv(baseIdx + 1, mt+3));
GL_CALL(VertexAttrib4fv(baseIdx + 2, mt+6));
} else {
GrAssert(GrGLProgram::kUnusedUniform !=
fProgramData->fUniLocations.fViewMatrixUni);
GL_CALL(UniformMatrix3fv(fProgramData->fUniLocations.fViewMatrixUni,
1, false, mt));
}
this->recordHWViewMatrix(vm);
}
}
void GrGpuGLShaders::flushTextureMatrix(int s) {
const GrGLint& uni = fProgramData->fUniLocations.fStages[s].fTextureMatrixUni;
const GrDrawState& drawState = this->getDrawState();
const GrGLTexture* texture =
static_cast<const GrGLTexture*>(drawState.getTexture(s));
if (NULL != texture) {
const GrMatrix& hwMatrix = fProgramData->fTextureMatrices[s];
const GrMatrix& samplerMatrix = drawState.getSampler(s).getMatrix();
if (GrGLProgram::kUnusedUniform != uni &&
(((1 << s) & fDirtyFlags.fTextureChangedMask) ||
!hwMatrix.cheapEqualTo(samplerMatrix))) {
GrMatrix m = samplerMatrix;
GrSamplerState::SampleMode mode =
drawState.getSampler(s).getSampleMode();
AdjustTextureMatrix(texture, mode, &m);
// ES doesn't allow you to pass true to the transpose param,
// so do our own transpose
GrGLfloat mt[] = {
GrScalarToFloat(m[GrMatrix::kMScaleX]),
GrScalarToFloat(m[GrMatrix::kMSkewY]),
GrScalarToFloat(m[GrMatrix::kMPersp0]),
GrScalarToFloat(m[GrMatrix::kMSkewX]),
GrScalarToFloat(m[GrMatrix::kMScaleY]),
GrScalarToFloat(m[GrMatrix::kMPersp1]),
GrScalarToFloat(m[GrMatrix::kMTransX]),
GrScalarToFloat(m[GrMatrix::kMTransY]),
GrScalarToFloat(m[GrMatrix::kMPersp2])
};
GL_CALL(UniformMatrix3fv(uni, 1, false, mt));
fProgramData->fTextureMatrices[s] = samplerMatrix;
}
}
}
GL_APICALL void GL_APIENTRY glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
{
CONTEXT_EXEC(UniformMatrix3fv(location, count, transpose, value));
}
