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Hide alloc size vs content size below API

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Remove old gl shaders class
Move texture matrix to sampler class

git-svn-id: http://skia.googlecode.com/svn/trunk@808 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2011-02-17 16:43:10 +00:00
parent dbbdad7051
commit c6cf72381b
28 changed files with 788 additions and 1806 deletions
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78
gpu/include/GrDrawTarget.h
View File

@ -39,12 +39,12 @@ public:
* no per-vertex colors. For subsequent stages the input color is the output
* color from the previous enabled stage. The output color of each stage is
* the input color modulated with the result of a texture lookup. Texture
* lookups are specified by a texture (setTexture), a texture matrix
* (setTextureMatrix), and a sampler (setSamplerState). Texture coordinates
* for each stage come from the vertices based on a GrVertexLayout bitfield.
* The output fragment color is the output color of the last enabled stage.
* The presence or absence of texture coordinates for each stage in the
* vertex layout indicates whether a stage is enabled or not.
* lookups are specified by a texture a sampler (setSamplerState). Texture
* coordinates for each stage come from the vertices based on a
* GrVertexLayout bitfield. The output fragment color is the output color of
* the last enabled stage. The presence or absence of texture coordinates
* for each stage in the vertex layout indicates whether a stage is enabled
* or not.
*/
enum {
kNumStages = 2,
@ -145,16 +145,15 @@ protected:
struct DrState {
uint32_t fFlagBits;
BlendCoeff fSrcBlend;
BlendCoeff fDstBlend;
GrTexture* fTextures[kNumStages];
GrSamplerState fSamplerStates[kNumStages];
GrRenderTarget* fRenderTarget;
GrColor fColor;
BlendCoeff fSrcBlend;
BlendCoeff fDstBlend;
GrTexture* fTextures[kNumStages];
GrSamplerState fSamplerStates[kNumStages];
GrRenderTarget* fRenderTarget;
GrColor fColor;
StencilPass fStencilPass;
bool fReverseFill;
GrMatrix fViewMatrix;
GrMatrix fTextureMatrices[kNumStages];
bool operator ==(const DrState& s) const {
return 0 == memcmp(this, &s, sizeof(DrState));
}
@ -217,49 +216,46 @@ public:
GrRenderTarget* getRenderTarget();
/**
* Sets the sampler state for the next draw.
* Sets the sampler state for a stage used in subsequent draws.
*
* The sampler state determines the address wrap modes and
* filtering
* The sampler state determines how texture coordinates are
* intepretted and used to sample the texture.
*
* @param stage the stage of the sampler to set
* @param samplerState Specifies the sampler state.
*/
void setSamplerState(int stage, const GrSamplerState& samplerState);
/**
* Sets the matrix applied to texture coordinates for a stage.
* Concats the matrix of a stage's sampler.
*
* The post-matrix texture coordinates in the square [0,1]^2 cover the
* entire area of the texture. This means the full POT width when a NPOT
* texture is embedded in a POT width texture to meet the 3D API
* requirements. The texture matrix is applied both when the texture
* coordinates are explicit and when vertex positions are used as texture
* coordinates. In the latter case the texture matrix is applied to the
* pre-view-matrix position values.
*
* @param stage the stage for which to set a matrix.
* @param m the matrix used to transform the texture coordinates.
* @param stage the stage of the sampler to set
* @param matrix the matrix to concat
*/
void setTextureMatrix(int stage, const GrMatrix& m);
void preConcatSamplerMatrix(int stage, const GrMatrix& matrix) {
GrAssert(stage >= 0 && stage < kNumStages);
fCurrDrawState.fSamplerStates[stage].preConcatMatrix(matrix);
}
/**
* Multiplies the current texture matrix for a stage by a matrix
* Gets the matrix of a stage's sampler
*
* After this call T' = T*m where T is the old tex matrix,
* m is the parameter to this function, and T' is the new tex matrix.
* (We consider positions to be column vectors so tex cood vector t is
* transformed by matrix X as t' = X*t.)
*
* @param m the matrix used to modify the texture matrix matrix.
* @param stage the stage to of sampler to get
* @return the sampler state's matrix
*/
void concatTextureMatrix(int stage, const GrMatrix& m);
const GrMatrix& getSamplerMatrix(int stage) const {
return fCurrDrawState.fSamplerStates[stage].getMatrix();
}
/**
* Retrieves the current texture matrix for a stage
* @param stage index of stage
* @return the stage's current texture matrix.
* Sets the matrix of a stage's sampler
*
* @param stage the stage of sampler set
* @param matrix the matrix to set
*/
const GrMatrix& getTextureMatrix(int stage) const;
const void setSamplerMatrix(int stage, const GrMatrix& matrix) {
fCurrDrawState.fSamplerStates[stage].setMatrix(matrix);
}
/**
* Sets the matrix applied to veretx positions.
@ -282,7 +278,7 @@ public:
*
* @param m the matrix used to modify the view matrix.
*/
void concatViewMatrix(const GrMatrix& m);
void preConcatViewMatrix(const GrMatrix& m);
/**
* Retrieves the current view matrix

29
gpu/include/GrGLTexture.h
View File

@ -142,6 +142,30 @@ public:
GLenum uploadByteCount() const { return fUploadByteCount; }
GLenum uploadType() const { return fUploadType; }
/**
* Retrieves the texture width actually allocated in texels.
*
* @return the width in texels
*/
int allocWidth() const { return fAllocWidth; }
/**
* Retrieves the texture height actually allocated in texels.
*
* @return the height in texels
*/
int allocHeight() const { return fAllocHeight; }
/**
* @return width() / allocWidth()
*/
GrScalar contentScaleX() const { return fScaleX; }
/**
* @return height() / allocHeight()
*/
GrScalar contentScaleY() const { return fScaleY; }
// Ganesh assumes texture coordinates have their origin
// in the top-left corner of the image. OpenGL, however,
// has the origin in the lower-left corner. For content that
@ -158,6 +182,11 @@ private:
GLenum fUploadFormat;
GLenum fUploadByteCount;
GLenum fUploadType;
int fAllocWidth;
int fAllocHeight;
// precomputed content / alloc ratios
GrScalar fScaleX;
GrScalar fScaleY;
Orientation fOrientation;
GrGLRenderTarget* fRenderTarget;
GrGpuGL* fGpuGL;

44
gpu/include/GrMatrix.h
View File

@ -27,8 +27,19 @@ struct GrRect;
*/
class GrMatrix {
public:
static const GrMatrix& I();
static const GrScalar gRESCALE;
static const GrMatrix& I() {
static const GrMatrix I = GrMatrix(GR_Scalar1, 0, 0,
0, GR_Scalar1, 0,
0, 0, gRESCALE);
return I;
};
static const GrMatrix& InvalidMatrix() {
static const GrMatrix INV =
GrMatrix(GR_ScalarMax, GR_ScalarMax, GR_ScalarMax,
GR_ScalarMax, GR_ScalarMax, GR_ScalarMax,
GR_ScalarMax, GR_ScalarMax, GR_ScalarMax);
return INV;
}
/**
* Handy index constants
*/
@ -55,7 +66,7 @@ public:
* Create a matrix from an array of values
* @param values row-major array of matrix components
*/
explicit GrMatrix(GrScalar* values) {
explicit GrMatrix(const GrScalar values[]) {
setToArray(values);
}
@ -98,11 +109,11 @@ public:
* Set a matrix from an array of values
* @param values row-major array of matrix components
*/
void setToArray(GrScalar* values) {
void setToArray(const GrScalar values[]) {
for (int i = 0; i < 9; ++i) {
fM[i] = values[i];
}
setTypeMask();
this->computeTypeMask();
}
/**
@ -136,7 +147,7 @@ public:
fM[kPersp1] = persp1;
fM[kPersp2] = persp2;
setTypeMask();
this->computeTypeMask();
}
/**
@ -293,8 +304,27 @@ public:
static void UnitTest();
private:
static const GrScalar gRESCALE;
void computeTypeMask() {
fTypeMask = 0;
if (0 != fM[kPersp0] || 0 != fM[kPersp1] || gRESCALE != fM[kPersp2]) {
fTypeMask |= kPerspective_TypeBit;
}
if (GR_Scalar1 != fM[kScaleX] || GR_Scalar1 != fM[kScaleY]) {
fTypeMask |= kScale_TypeBit;
if (0 == fM[kScaleX] && 0 == fM[kScaleY]) {
fTypeMask |= kZeroScale_TypeBit;
}
}
if (0 != fM[kSkewX] || 0 != fM[kSkewY]) {
fTypeMask |= kSkew_TypeBit;
}
if (0 != fM[kTransX] || 0 != fM[kTransY]) {
fTypeMask |= kTranslate_TypeBit;
}
}
void setTypeMask();
double determinant() const;

3
gpu/include/GrPaint.h
View File

@ -36,7 +36,6 @@ public:
GrColor fColor;
GrMatrix fTextureMatrix;
GrSamplerState fSampler;
void setTexture(GrTexture* texture) {
@ -60,7 +59,6 @@ public:
fColor = paint.fColor;
fTextureMatrix = paint.fTextureMatrix;
fSampler = paint.fSampler;
fTexture = paint.fTexture;
GrSafeRef(fTexture);
@ -97,7 +95,6 @@ private:
void resetTexture() {
setTexture(NULL);
fTextureMatrix = GrMatrix::I();
fSampler.setClampNoFilter();
}

66
gpu/include/GrSamplerState.h
View File

@ -19,9 +19,32 @@
#define GrSamplerState_DEFINED
#include "GrTypes.h"
#include "GrMatrix.h"
class GrSamplerState {
public:
/**
* The intepretation of the texture matrix depends on the sample mode. The
* texture matrix is applied both when the texture coordinates are explicit
* and when vertex positions are used as texture coordinates. In the latter
* case the texture matrix is applied to the pre-view-matrix position
* values.
*
* kNormal_SampleMode
* The post-matrix texture coordinates are in normalize space with (0,0) at
* the top-left and (1,1) at the bottom right.
* kRadial_SampleMode
* The matrix specifies the radial gradient parameters.
* (0,0) in the post-matrix space is center of the radial gradient.
* kRadial2_SampleMode
* Matrix transforms to space where first circle is centered at the
* origin. The second circle will be centered (x, 0) where x may be
* 0 and is provided by setRadial2Params. The post-matrix space is
* normalized such that 1 is the second radius - first radius.
* kSweepSampleMode
* The angle from the origin of texture coordinates in post-matrix space
* determines the gradient value.
*/
enum SampleMode {
kNormal_SampleMode, //!< sample color directly
kRadial_SampleMode, //!< treat as radial gradient
@ -40,7 +63,8 @@ public:
};
/**
* Default sampler state is set to kClamp and no-filter
* Default sampler state is set to clamp, use normal sampling mode, be
* unfiltered, and use identity matrix.
*/
GrSamplerState() {
this->setClampNoFilter();
@ -51,6 +75,7 @@ public:
fWrapY = kClamp_WrapMode;
fSampleMode = kNormal_SampleMode;
fFilter = filter;
fMatrix.setIdentity();
}
GrSamplerState(WrapMode wx, WrapMode wy, bool filter) {
@ -58,18 +83,29 @@ public:
fWrapY = wy;
fSampleMode = kNormal_SampleMode;
fFilter = filter;
fMatrix.setIdentity();
}
GrSamplerState(WrapMode wx, WrapMode wy, SampleMode sample, bool filter) {
GrSamplerState(WrapMode wx, WrapMode wy, const GrMatrix& matrix, bool filter) {
fWrapX = wx;
fWrapY = wy;
fSampleMode = kNormal_SampleMode;
fFilter = filter;
fMatrix = matrix;
}
GrSamplerState(WrapMode wx, WrapMode wy, SampleMode sample, const GrMatrix& matrix, bool filter) {
fWrapX = wx;
fWrapY = wy;
fSampleMode = sample;
fMatrix = matrix;
fFilter = filter;
}
WrapMode getWrapX() const { return fWrapX; }
WrapMode getWrapY() const { return fWrapY; }
SampleMode getSampleMode() const { return fSampleMode; }
const GrMatrix& getMatrix() const { return fMatrix; }
bool isFilter() const { return fFilter; }
bool isGradient() const {
@ -81,6 +117,30 @@ public:
void setWrapX(WrapMode mode) { fWrapX = mode; }
void setWrapY(WrapMode mode) { fWrapY = mode; }
void setSampleMode(SampleMode mode) { fSampleMode = mode; }
/**
* Sets the sampler's matrix. See SampleMode for explanation of
* relationship between the matrix and sample mode.
* @param matrix the matrix to set
*/
void setMatrix(const GrMatrix& matrix) { fMatrix = matrix; }
/**
* Multiplies the current sampler matrix a matrix
*
* After this call M' = M*m where M is the old matrix, m is the parameter
* to this function, and M' is the new matrix. (We consider points to
* be column vectors so tex cood vector t is transformed by matrix X as
* t' = X*t.)
*
* @param matrix the matrix used to modify the matrix.
*/
void preConcatMatrix(const GrMatrix& matrix) { fMatrix.preConcat(matrix); }
/**
* Enables or disables filtering.
* @param filter indicates whether filtering is applied.
*/
void setFilter(bool filter) { fFilter = filter; }
void setClampNoFilter() {
@ -88,6 +148,7 @@ public:
fWrapY = kClamp_WrapMode;
fSampleMode = kNormal_SampleMode;
fFilter = false;
fMatrix.setIdentity();
}
GrScalar getRadial2CenterX1() const { return fRadial2CenterX1; }
@ -116,6 +177,7 @@ private:
WrapMode fWrapY;
SampleMode fSampleMode;
bool fFilter;
GrMatrix fMatrix;
// these are undefined unless fSampleMode == kRadial2_SampleMode
GrScalar fRadial2CenterX1;

53
gpu/include/GrTexture.h
View File

@ -65,58 +65,39 @@ public:
static bool PixelConfigIsOpaque(PixelConfig);
protected:
GrTexture(uint32_t contentWidth,
uint32_t contentHeight,
uint32_t allocWidth,
uint32_t allocHeight,
GrTexture(int width,
int height,
PixelConfig config) :
fAllocWidth(allocWidth),
fAllocHeight(allocHeight),
fContentWidth(contentWidth),
fContentHeight(contentHeight),
fWidth(width),
fHeight(height),
fConfig(config) {
// only make sense if alloc size is pow2
fShiftFixedX = 31 - Gr_clz(allocWidth);
fShiftFixedY = 31 - Gr_clz(allocHeight);
fShiftFixedX = 31 - Gr_clz(fWidth);
fShiftFixedY = 31 - Gr_clz(fHeight);
}
public:
virtual ~GrTexture();
/**
* Retrieves the width of the content area of the texture. Reflects the
* width passed to GrGpu::createTexture().
* Retrieves the width of the texture.
*
* @return the width in texels
*/
uint32_t contentWidth() const { return fContentWidth; }
int width() const { return fWidth; }
/**
* Retrieves the height of the content area of the texture. Reflects the
* height passed to GrGpu::createTexture().
* Retrieves the height of the texture.
*
* @return the height in texels
*/
uint32_t contentHeight() const { return fContentHeight; }
/**
* Retrieves the texture width actually allocated in texels.
*
* @return the width in texels
*/
uint32_t allocWidth() const { return fAllocWidth; }
/**
* Retrieves the texture height actually allocated in texels.
*
* @return the height in texels
*/
uint32_t allocHeight() const { return fAllocHeight; }
int height() const { return fHeight; }
/**
* Convert from texels to normalized texture coords for POT textures
* only.
*/
GrFixed normalizeFixedX(GrFixed x) const { GrAssert(GrIsPow2(fAllocWidth));
GrFixed normalizeFixedX(GrFixed x) const { GrAssert(GrIsPow2(fWidth));
return x >> fShiftFixedX; }
GrFixed normalizeFixedY(GrFixed y) const { GrAssert(GrIsPow2(fAllocHeight));
GrFixed normalizeFixedY(GrFixed y) const { GrAssert(GrIsPow2(fHeight));
return y >> fShiftFixedY; }
/**
@ -125,10 +106,10 @@ public:
PixelConfig config() const { return fConfig; }
/**
* The number of bytes used by the texture
* Approximate number of bytes used by the texture
*/
size_t sizeInBytes() const {
return fAllocWidth * fAllocHeight * BytesPerPixel(fConfig);
return fWidth * fHeight * BytesPerPixel(fConfig);
}
/**
@ -195,10 +176,8 @@ public:
#endif
private:
uint32_t fAllocWidth;
uint32_t fAllocHeight;
uint32_t fContentWidth;
uint32_t fContentHeight;
int fWidth;
int fHeight;
// these two shift a fixed-point value into normalized coordinates
// for this texture if the texture is power of two sized.
int fShiftFixedX;

3
gpu/include/GrUserConfig.h
View File

@ -77,9 +77,6 @@
* temporary flags (may go away soon)
*/
// disable 2-point-radial gradient shader programs
//#define GR_SKIP_2POINTRADIAL_PROGRAMS
///////////////////////////////////////////////////////////////////////////////
// Decide Ganesh types

39
gpu/src/GrContext.cpp
View File

@ -129,7 +129,6 @@ GrTextureEntry* GrContext::createAndLockTexture(GrTextureKey* key,
return NULL;
}
}
GrTexture* clampTexture = clampEntry->texture();
GrGpu::TextureDesc rtDesc = desc;
rtDesc.fFlags |= GrGpu::kRenderTarget_TextureFlag |
GrGpu::kNoPathRendering_TextureFlag;
@ -145,7 +144,6 @@ GrTextureEntry* GrContext::createAndLockTexture(GrTextureKey* key,
fGpu->setRenderTarget(texture->asRenderTarget());
fGpu->setTexture(0, clampEntry->texture());
fGpu->setStencilPass(GrDrawTarget::kNone_StencilPass);
fGpu->setTextureMatrix(0, GrMatrix::I());
fGpu->setViewMatrix(GrMatrix::I());
fGpu->setAlpha(0xff);
fGpu->setBlendFunc(GrDrawTarget::kOne_BlendCoeff, GrDrawTarget::kZero_BlendCoeff);
@ -164,16 +162,10 @@ GrTextureEntry* GrContext::createAndLockTexture(GrTextureKey* key,
if (arg.succeeded()) {
GrPoint* verts = (GrPoint*) arg.vertices();
verts[0].setIRectFan(0, 0,
texture->contentWidth(),
texture->contentHeight(),
texture->width(),
texture->height(),
2*sizeof(GrPoint));
GrScalar tw = GrFixedToScalar(GR_Fixed1 *
clampTexture->contentWidth() /
clampTexture->allocWidth());
GrScalar th = GrFixedToScalar(GR_Fixed1 *
clampTexture->contentHeight() /
clampTexture->allocHeight());
verts[1].setRectFan(0, 0, tw, th, 2*sizeof(GrPoint));
verts[1].setIRectFan(0, 0, 1, 1, 2*sizeof(GrPoint));
fGpu->drawNonIndexed(GrDrawTarget::kTriangleFan_PrimitiveType,
0, 4);
entry = fTextureCache->createAndLock(*key, texture);
@ -377,8 +369,8 @@ void GrContext::drawRect(const GrPaint& paint,
GrDrawTarget::AutoViewMatrixRestore avmr;
if (NULL != matrix) {
avmr.set(target);
target->concatViewMatrix(*matrix);
target->concatTextureMatrix(0, *matrix);
target->preConcatViewMatrix(*matrix);
target->preConcatSamplerMatrix(0, *matrix);
}
target->drawNonIndexed(primType, 0, vertCount);
@ -399,10 +391,10 @@ void GrContext::drawRect(const GrPaint& paint,
m.postConcat(*matrix);
}
target->concatViewMatrix(m);
target->preConcatViewMatrix(m);
if (textured) {
target->concatTextureMatrix(0, m);
target->preConcatSamplerMatrix(0, m);
}
target->drawNonIndexed(GrDrawTarget::kTriangleFan_PrimitiveType, 0, 4);
#else
@ -438,7 +430,7 @@ void GrContext::drawRectToRect(const GrPaint& paint,
if (NULL != dstMatrix) {
m.postConcat(*dstMatrix);
}
target->concatViewMatrix(m);
target->preConcatViewMatrix(m);
m.setAll(srcRect.width(), 0, srcRect.fLeft,
0, srcRect.height(), srcRect.fTop,
@ -446,7 +438,7 @@ void GrContext::drawRectToRect(const GrPaint& paint,
if (NULL != srcMatrix) {
m.postConcat(*srcMatrix);
}
target->concatTextureMatrix(0, m);
target->preConcatSamplerMatrix(0, m);
target->setVertexSourceToBuffer(layout, fGpu->getUnitSquareVertexBuffer());
target->drawNonIndexed(GrDrawTarget::kTriangleFan_PrimitiveType, 0, 4);
@ -921,16 +913,18 @@ void GrContext::writePixels(int left, int top, int width, int height,
GrMatrix matrix;
matrix.setTranslate(GrIntToScalar(left), GrIntToScalar(top));
fGpu->setViewMatrix(matrix);
matrix.setScale(GR_Scalar1 / texture->allocWidth(),
GR_Scalar1 / texture->allocHeight());
fGpu->setTextureMatrix(0, matrix);
fGpu->disableState(GrDrawTarget::kClip_StateBit);
fGpu->setAlpha(0xFF);
fGpu->setBlendFunc(GrDrawTarget::kOne_BlendCoeff,
GrDrawTarget::kZero_BlendCoeff);
fGpu->setTexture(0, texture);
fGpu->setSamplerState(0, GrSamplerState::ClampNoFilter());
GrSamplerState sampler;
sampler.setClampNoFilter();
matrix.setScale(GR_Scalar1 / width, GR_Scalar1 / height);
sampler.setMatrix(matrix);
fGpu->setSamplerState(0, sampler);
GrVertexLayout layout = GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(0);
static const int VCOUNT = 4;
@ -946,7 +940,6 @@ void GrContext::writePixels(int left, int top, int width, int height,
void GrContext::SetPaint(const GrPaint& paint, GrDrawTarget* target) {
target->setTexture(0, paint.getTexture());
target->setTextureMatrix(0, paint.fTextureMatrix);
target->setSamplerState(0, paint.fSampler);
target->setColor(paint.fColor);
@ -1019,7 +1012,7 @@ void GrContext::setMatrix(const GrMatrix& m) {
}
void GrContext::concatMatrix(const GrMatrix& m) const {
fGpu->concatViewMatrix(m);
fGpu->preConcatViewMatrix(m);
}
static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) {

17
gpu/src/GrDrawTarget.cpp
View File

@ -331,7 +331,7 @@ void GrDrawTarget::setViewMatrix(const GrMatrix& m) {
fCurrDrawState.fViewMatrix = m;
}
void GrDrawTarget::concatViewMatrix(const GrMatrix& matrix) {
void GrDrawTarget::preConcatViewMatrix(const GrMatrix& matrix) {
fCurrDrawState.fViewMatrix.preConcat(matrix);
}
@ -358,21 +358,6 @@ void GrDrawTarget::setSamplerState(int stage, const GrSamplerState& state) {
fCurrDrawState.fSamplerStates[stage] = state;
}
void GrDrawTarget::setTextureMatrix(int stage, const GrMatrix& m) {
GrAssert(stage >= 0 && stage < kNumStages);
fCurrDrawState.fTextureMatrices[stage] = m;
}
void GrDrawTarget::concatTextureMatrix(int stage, const GrMatrix& m) {
GrAssert(stage >= 0 && stage < kNumStages);
fCurrDrawState.fTextureMatrices[stage].preConcat(m);
}
const GrMatrix& GrDrawTarget::getTextureMatrix(int stage) const {
GrAssert(stage >= 0 && stage < kNumStages);
return fCurrDrawState.fTextureMatrices[stage];
}
void GrDrawTarget::setStencilPass(StencilPass pass) {
fCurrDrawState.fStencilPass = pass;
}

33
gpu/src/GrGLTexture.cpp
View File

@ -76,20 +76,25 @@ const GLenum GrGLTexture::gWrapMode2GLWrap[] = {
GrGLTexture::GrGLTexture(const GLTextureDesc& textureDesc,
const GLRenderTargetIDs& rtIDs,
const TexParams& initialTexParams,
GrGpuGL* gl) :
INHERITED(textureDesc.fContentWidth,
textureDesc.fContentHeight,
textureDesc.fAllocWidth,
textureDesc.fAllocHeight,
textureDesc.fFormat),
fTexParams(initialTexParams),
fTextureID(textureDesc.fTextureID),
fUploadFormat(textureDesc.fUploadFormat),
fUploadByteCount(textureDesc.fUploadByteCount),
fUploadType(textureDesc.fUploadType),
fOrientation(textureDesc.fOrientation),
fRenderTarget(NULL),
fGpuGL(gl) {
GrGpuGL* gl)
: INHERITED(textureDesc.fContentWidth,
textureDesc.fContentHeight,
textureDesc.fFormat) {
fTexParams = initialTexParams;
fTextureID = textureDesc.fTextureID;
fUploadFormat = textureDesc.fUploadFormat;
fUploadByteCount = textureDesc.fUploadByteCount;
fUploadType = textureDesc.fUploadType;
fOrientation = textureDesc.fOrientation;
fAllocWidth = textureDesc.fAllocWidth;
fAllocHeight = textureDesc.fAllocHeight;
fScaleX = GrIntToScalar(textureDesc.fContentWidth) /
textureDesc.fAllocWidth;
fScaleY = GrIntToScalar(textureDesc.fContentHeight) /
textureDesc.fAllocHeight;
fRenderTarget = NULL;
fGpuGL = gl;
GrAssert(0 != textureDesc.fTextureID);

1
gpu/src/GrGpu.cpp
View File

@ -427,6 +427,7 @@ const GrSamplerState GrSamplerState::gClampNoFilter(
GrSamplerState::kClamp_WrapMode,
GrSamplerState::kClamp_WrapMode,
GrSamplerState::kNormal_SampleMode,
GrMatrix::I(),
false);

11
gpu/src/GrGpuFactory.cpp
View File

@ -24,18 +24,13 @@
#include "GrGLConfig.h"
#define GR_USE_GLSHADERS2 1
#if GR_SUPPORT_GLES1 || GR_SUPPORT_GLDESKTOP
#include "GrGpuGLFixed.h"
#endif
#if GR_SUPPORT_GLES2 || GR_SUPPORT_GLDESKTOP
#if GR_USE_GLSHADERS2
#include "GrGpuGLShaders2.h"
#else
#include "GrGpuGLShaders.h"
#endif
#include "GrGpuGLShaders2.h"
#endif
#include "GrGpu.h"
@ -47,11 +42,7 @@ GrGpu* GrGpu::Create(Engine engine, Platform3DContext context3D) {
case kOpenGL_Shaders_Engine:
GrAssert(NULL == context3D);
#if GR_SUPPORT_GLES2 || GR_SUPPORT_GLDESKTOP
#if GR_USE_GLSHADERS2
gpu = new GrGpuGLShaders2;
#else
gpu = new GrGpuGLShaders;
#endif
#endif
break;
case kOpenGL_Fixed_Engine:

84
gpu/src/GrGpuGL.cpp
View File

@ -49,6 +49,58 @@ static const GLenum gXfermodeCoeff2Blend[] = {
///////////////////////////////////////////////////////////////////////////////
void GrGpuGL::AdjustTextureMatrix(const GrGLTexture* texture,
GrSamplerState::SampleMode mode,
GrMatrix* matrix) {
GrAssert(NULL != texture);
GrAssert(NULL != matrix);
if (GR_Scalar1 != texture->contentScaleX() ||
GR_Scalar1 != texture->contentScaleY()) {
if (GrSamplerState::kRadial_SampleMode == mode) {
GrMatrix scale;
scale.setScale(texture->contentScaleX(), texture->contentScaleX());
matrix->postConcat(scale);
} else if (GrSamplerState::kNormal_SampleMode == mode) {
GrMatrix scale;
scale.setScale(texture->contentScaleX(), texture->contentScaleY());
matrix->postConcat(scale);
} else {
GrPrintf("We haven't handled NPOT adjustment for other sample modes!");
}
}
GrGLTexture::Orientation orientation = texture->orientation();
if (GrGLTexture::kBottomUp_Orientation == orientation) {
GrMatrix invY;
invY.setAll(GR_Scalar1, 0, 0,
0, -GR_Scalar1, GR_Scalar1,
0, 0, GrMatrix::I()[8]);
matrix->postConcat(invY);
} else {
GrAssert(GrGLTexture::kTopDown_Orientation == orientation);
}
}
bool GrGpuGL::TextureMatrixIsIdentity(const GrGLTexture* texture,
const GrSamplerState& sampler) {
GrAssert(NULL != texture);
if (!sampler.getMatrix().isIdentity()) {
return false;
}
if (GR_Scalar1 != texture->contentScaleX() ||
GR_Scalar1 != texture->contentScaleY()) {
return false;
}
GrGLTexture::Orientation orientation = texture->orientation();
if (GrGLTexture::kBottomUp_Orientation == orientation) {
return false;
} else {
GrAssert(GrGLTexture::kTopDown_Orientation == orientation);
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
static bool gPrintStartupSpew;
@ -102,8 +154,7 @@ GrGpuGL::GrGpuGL() {
resetContextHelper();
fHWDrawState.fRenderTarget = NULL;
fRenderTargetChanged = true;
resetDirtyFlags();
GLint maxTextureUnits;
// check FS and fixed-function texture unit limits
@ -265,6 +316,7 @@ GrGpuGL::GrGpuGL() {
fNPOTTextureTileSupport = false;
}
#endif
////////////////////////////////////////////////////////////////////////////
// Experiments to determine limitations that can't be queried. TODO: Make
// these a preprocess that generate some compile time constants.
@ -395,14 +447,15 @@ void GrGpuGL::resetContextHelper() {
fHWDrawState.fDstBlend = (BlendCoeff)-1;
fHWDrawState.fColor = GrColor_ILLEGAL;
fHWDrawState.fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax); // illegal
fHWDrawState.fViewMatrix = GrMatrix::InvalidMatrix();
for (int s = 0; s < kNumStages; ++s) {
fHWDrawState.fTextures[s] = NULL;
fHWDrawState.fSamplerStates[s].setRadial2Params(-GR_ScalarMax,
-GR_ScalarMax,
true);
fHWDrawState.fTextureMatrices[s].setScale(GR_ScalarMax, GR_ScalarMax);
fHWDrawState.fSamplerStates[s].setMatrix(GrMatrix::InvalidMatrix());
}
GR_GL(Scissor(0,0,0,0));
@ -1017,7 +1070,7 @@ void GrGpuGL::eraseColor(GrColor color) {
GrColorUnpackB(color)/255.f,
GrColorUnpackA(color)/255.f));
GR_GL(Clear(GL_COLOR_BUFFER_BIT));
fWriteMaskChanged = true;
fDirtyFlags.fWriteMaskChanged = true;
}
void GrGpuGL::eraseStencil(uint32_t value, uint32_t mask) {
@ -1032,7 +1085,7 @@ void GrGpuGL::eraseStencil(uint32_t value, uint32_t mask) {
GR_GL(StencilMask(mask));
GR_GL(ClearStencil(value));
GR_GL(Clear(GL_STENCIL_BUFFER_BIT));
fWriteMaskChanged = true;
fDirtyFlags.fWriteMaskChanged = true;
}
void GrGpuGL::eraseStencilClip() {
@ -1107,7 +1160,7 @@ void GrGpuGL::flushRenderTarget() {
#endif
fHWDrawState.fRenderTarget = fCurrDrawState.fRenderTarget;
const GrIRect& vp = rt->viewport();
fRenderTargetChanged = true;
fDirtyFlags.fRenderTargetChanged = true;
if (fHWBounds.fViewportRect != vp) {
GR_GL(Viewport(vp.fLeft,
vp.fBottom,
@ -1181,10 +1234,10 @@ void GrGpuGL::resolveTextureRenderTarget(GrGLTexture* texture) {
fHWDrawState.fRenderTarget = NULL;
GLint left = 0;
GLint right = texture->contentWidth();
GLint right = texture->width();
// we will have rendered to the top of the FBO.
GLint top = texture->allocHeight();
GLint bottom = texture->allocHeight() - texture->contentHeight();
GLint bottom = texture->allocHeight() - texture->height();
if (kApple_MSFBO == fMSFBOType) {
GR_GL(Enable(GL_SCISSOR_TEST));
GR_GL(Scissor(left, bottom, right-left, top-bottom));
@ -1208,7 +1261,7 @@ void GrGpuGL::flushStencil() {
bool stencilClip = fClipState.fClipInStencil &&
(kClip_StateBit & fCurrDrawState.fFlagBits);
bool stencilChange =
fWriteMaskChanged ||
fDirtyFlags.fWriteMaskChanged ||
fHWStencilClip != stencilClip ||
fHWDrawState.fStencilPass != fCurrDrawState.fStencilPass ||
(kNone_StencilPass != fCurrDrawState.fStencilPass &&
@ -1399,7 +1452,6 @@ void GrGpuGL::flushStencil() {
}
fHWDrawState.fStencilPass = fCurrDrawState.fStencilPass;
fHWDrawState.fReverseFill = fCurrDrawState.fReverseFill;
fWriteMaskChanged = false;
fHWStencilClip = stencilClip;
}
}
@ -1468,6 +1520,10 @@ bool GrGpuGL::flushGLStateCommon(PrimitiveType type) {
newTexParams.fWrapT));
}
nextTexture->setTexParams(newTexParams);
// The texture matrix has to compensate for texture width/height
// and NPOT-embedded-in-POT
fDirtyFlags.fTextureChangedMask |= (1 << s);
} else {
GrAssert(!"Rendering with texture vert flag set but no texture");
return false;
@ -1489,7 +1545,7 @@ bool GrGpuGL::flushGLStateCommon(PrimitiveType type) {
#if GR_SUPPORT_GLDESKTOP
// ES doesn't support toggling GL_MULTISAMPLE and doesn't have
// smooth lines.
if (fRenderTargetChanged ||
if (fDirtyFlags.fRenderTargetChanged ||
(fCurrDrawState.fFlagBits & kAntialias_StateBit) !=
(fHWDrawState.fFlagBits & kAntialias_StateBit)) {
GLint msaa = 0;
@ -1712,6 +1768,10 @@ bool GrGpuGL::fboInternalFormat(GrTexture::PixelConfig config, GLenum* format) {
}
}
void GrGpuGL::resetDirtyFlags() {
Gr_bzero(&fDirtyFlags, sizeof(fDirtyFlags));
}
void GrGpuGL::setBuffers(bool indexed,
int* extraVertexOffset,
int* extraIndexOffset) {

40
gpu/src/GrGpuGL.h
View File

@ -71,6 +71,26 @@ protected:
DrState fHWDrawState;
bool fHWStencilClip;
// As flush of GL state proceeds it updates fHDrawState
// to reflect the new state. Later parts of the state flush
// may perform cascaded changes but cannot refer to fHWDrawState.
// These code paths can refer to the dirty flags. Subclass should
// call resetDirtyFlags after its flush is complete
struct {
bool fRenderTargetChanged : 1;
bool fWriteMaskChanged : 1;
int fTextureChangedMask;
} fDirtyFlags;
GR_STATIC_ASSERT(8 * sizeof(int) >= kNumStages);
// clears the dirty flags
void resetDirtyFlags();
// last scissor / viewport scissor state seen by the GL.
BoundsState fHWBounds;
GrGLExts fExts;
// GrGpu overrides
virtual void drawIndexedHelper(PrimitiveType type,
uint32_t startVertex,
@ -103,18 +123,16 @@ protected:
// line width
bool flushGLStateCommon(PrimitiveType type);
// set when this class changes the rendertarget.
// Subclass should notice at flush time, take appropriate action,
// and set false.
bool fRenderTargetChanged;
// adjusts texture matrix to account for orientation, size, and npotness
static void AdjustTextureMatrix(const GrGLTexture* texture,
GrSamplerState::SampleMode mode,
GrMatrix* matrix);
// set by eraseColor or eraseStencil. Picked up in in flushStencil.
bool fWriteMaskChanged;
// last scissor / viewport scissor state seen by the GL.
BoundsState fHWBounds;
GrGLExts fExts;
// subclass may try to take advantage of identity tex matrices.
// This helper determines if matrix will be identity after all
// adjustments are applied.
static bool TextureMatrixIsIdentity(const GrGLTexture* texture,
const GrSamplerState& sampler);
private:
void resetContextHelper();

57
gpu/src/GrGpuGLFixed.cpp
View File

@ -25,7 +25,7 @@
#define SKIP_CACHE_CHECK true
struct GrGpuMatrix {
GrScalar fMat[16];
GLfloat fMat[16];
void reset() {
Gr_bzero(fMat, sizeof(fMat));
@ -34,19 +34,19 @@ struct GrGpuMatrix {
void set(const GrMatrix& m) {
Gr_bzero(fMat, sizeof(fMat));
fMat[0] = m[GrMatrix::kScaleX];
fMat[4] = m[GrMatrix::kSkewX];
fMat[12] = m[GrMatrix::kTransX];
fMat[0] = GrScalarToFloat(m[GrMatrix::kScaleX]);
fMat[4] = GrScalarToFloat(m[GrMatrix::kSkewX]);
fMat[12] = GrScalarToFloat(m[GrMatrix::kTransX]);
fMat[1] = m[GrMatrix::kSkewY];
fMat[5] = m[GrMatrix::kScaleY];
fMat[13] = m[GrMatrix::kTransY];
fMat[1] = GrScalarToFloat(m[GrMatrix::kSkewY]);
fMat[5] = GrScalarToFloat(m[GrMatrix::kScaleY]);
fMat[13] = GrScalarToFloat(m[GrMatrix::kTransY]);
fMat[3] = m[GrMatrix::kPersp0];
fMat[7] = m[GrMatrix::kPersp1];
fMat[15] = m[GrMatrix::kPersp2];
fMat[3] = GrScalarToFloat(m[GrMatrix::kPersp0]);
fMat[7] = GrScalarToFloat(m[GrMatrix::kPersp1]);
fMat[15] = GrScalarToFloat(m[GrMatrix::kPersp2]);
fMat[10] = GR_Scalar1; // z-scale
fMat[10] = 1.f; // z-scale
}
};
@ -106,7 +106,6 @@ void GrGpuGLFixed::resetContextHelper() {
GrGLClearErr();
fTextVerts = false;
fHWTextureOrientation = (GrGLTexture::Orientation)-1; // illegal
fBaseVertex = 0xffffffff;
}
@ -146,9 +145,8 @@ bool GrGpuGLFixed::flushGraphicsState(PrimitiveType type) {
return false;
}
if (fRenderTargetChanged) {
if (fDirtyFlags.fRenderTargetChanged) {
flushProjectionMatrix();
fRenderTargetChanged = false;
}
for (int s = 0; s < kNumStages; ++s) {
@ -205,28 +203,20 @@ bool GrGpuGLFixed::flushGraphicsState(PrimitiveType type) {
fHWRGBOperand0[s] = nextRGBOperand0;
}
if (fHWTextureOrientation != texture->orientation() ||
fHWDrawState.fTextureMatrices[s] !=
fCurrDrawState.fTextureMatrices[s]) {
if (((1 << s) & fDirtyFlags.fTextureChangedMask) ||
(fHWDrawState.fSamplerStates[s].getMatrix() !=
getSamplerMatrix(s))) {
GrMatrix texMat = getSamplerMatrix(s);
AdjustTextureMatrix(texture,
GrSamplerState::kNormal_SampleMode,
&texMat);
GrGpuMatrix glm;
if (GrGLTexture::kBottomUp_Orientation ==
texture->orientation()) {
GrMatrix m(
GR_Scalar1, 0, 0,
0, -GR_Scalar1, GR_Scalar1,
0, 0, GrMatrix::I()[8]
);
m.preConcat(fCurrDrawState.fTextureMatrices[s]);
glm.set(m);
} else {
glm.set(fCurrDrawState.fTextureMatrices[s]);
}
glm.set(texMat);
setTextureUnit(s);
GR_GL(MatrixMode(GL_TEXTURE));
GR_GL(LoadMatrixf(glm.fMat));
fHWDrawState.fTextureMatrices[s] =
fCurrDrawState.fTextureMatrices[s];
fHWTextureOrientation = texture->orientation();
recordHWSamplerMatrix(s, getSamplerMatrix(s));
}
} else {
GrAssert(!"Rendering with texture vert flag set but no bound texture");
@ -243,6 +233,7 @@ bool GrGpuGLFixed::flushGraphicsState(PrimitiveType type) {
fHWDrawState.fViewMatrix =
fCurrDrawState.fViewMatrix;
}
resetDirtyFlags();
return true;
}
@ -263,7 +254,7 @@ void GrGpuGLFixed::setupGeometry(int* startVertex,
oldTexCoordOffsets,
&oldColorOffset);
bool indexed = NULL == startIndex;
bool indexed = NULL != startIndex;
int extraVertexOffset;
int extraIndexOffset;

10
gpu/src/GrGpuGLFixed.h
View File

@ -39,6 +39,14 @@ protected:
private:
void resetContextHelper();
// Helpers to make code more readable
const GrMatrix& getHWSamplerMatrix(int stage) const {
return fHWDrawState.fSamplerStates[stage].getMatrix();
}
const void recordHWSamplerMatrix(int stage, const GrMatrix& matrix) {
fHWDrawState.fSamplerStates[stage].setMatrix(matrix);
}
// when the texture is GL_RGBA we set the GL_COMBINE texture
// environment rgb operand 0 to be GL_COLOR to modulate each incoming
// R,G, & B by the texture's R, G, & B. When the texture is alpha-only we
@ -60,8 +68,6 @@ private:
// glVertexPointer/glTexCoordPointer/etc
int fBaseVertex;
GrGLTexture::Orientation fHWTextureOrientation;
typedef GrGpuGL INHERITED;
};

933
gpu/src/GrGpuGLShaders.cpp
View File

@ -1,933 +0,0 @@
/*
Copyright 2010 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "GrGLConfig.h"
#if GR_SUPPORT_GLES2 || GR_SUPPORT_GLDESKTOP
#include "GrGpuGLShaders.h"
#include "GrGpuVertex.h"
#include "GrMemory.h"
#define ATTRIBUTE_MATRIX 0
#define ATTRIBUTE_TEXT_COLOR 1
#if ATTRIBUTE_MATRIX
#define DECL_MATRIX(name) "attribute mat3 " #name ";\n"
#else
#define DECL_MATRIX(name) "uniform mat3 " #name ";\n"
#endif
#define SKIP_CACHE_CHECK true
#if GR_SUPPORT_GLES2
#define GR_PRECISION "mediump"
#define GR_SHADER_PRECISION "precision mediump float;\n"
#else
#define GR_PRECISION ""
#define GR_SHADER_PRECISION ""
#endif
static const char* gvshad[] = {
// 0: kTextureVertCoords_Program, kTextureVertCoordsProj_Program,
// kRadialTextureVertCoords_Program, kSweepTextureVertCoords_Program
"attribute vec2 aPosition;\n"
"attribute vec4 aColor;\n"
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" gl_PointSize = 1.0;\n"
" vTexture = texM * vec3(aPosition,1);\n"
" vColor = aColor;\n"
"}\n",
// 1: kTextureTexCoords_Program, kTextureTexCoordsProj_Program,
// kRadialTextureTexCoords_Program, kSweepTextureTexCoords_Program
"attribute vec2 aPosition;\n"
"attribute vec2 aTexture;\n"
"attribute vec4 aColor;\n"
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" gl_PointSize = 1.0;\n"
" vTexture = texM * vec3(aTexture,1);\n"
" vColor = aColor;\n"
"}\n",
// 2: kText_Program
"attribute vec2 aPosition;\n"
"attribute vec2 aTexture;\n"
"varying vec2 vTexture;\n"
DECL_MATRIX(viewM)
#if ATTRIBUTE_TEXT_COLOR
"varying vec4 vColor;\n"
"attribute vec4 aColor;\n"
#endif
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" vTexture = aTexture;\n"
#if ATTRIBUTE_TEXT_COLOR
" vColor = aColor;\n"
#endif
"}\n",
// 3: kNoTexture_Program
"attribute vec2 aPosition;\n"
"attribute vec4 aColor;\n"
"varying vec4 vColor;\n"
DECL_MATRIX(viewM)
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" gl_PointSize = 1.0;\n"
" vColor = aColor;\n"
"}\n",
// 4: kTextureVertCoordsNoColor_Program
"attribute vec2 aPosition;\n"
"attribute vec4 aColor;\n"
"varying vec3 vTexture;\n"
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" vTexture = texM * vec3(aPosition,1);\n"
"}\n",
// 5: kTextureTexCoordsNoColor_Program
"attribute vec2 aPosition;\n"
"attribute vec2 aTexture;\n"
"varying vec3 vTexture;\n"
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" gl_PointSize = 1.0;\n"
" vTexture = texM * vec3(aTexture,1);\n"
"}\n",
// 6: kTwoPointRadialTextureVertCoords_Program
"uniform " GR_PRECISION " float uParams[6];\n"
// 0 is t^2 term of quadratic
// 1 is one-half the inverse of above
// 2 is x offset of the second circle (post tex-matrix)
// 3 is the radius of the first circle (post tex-matrix)
// 4 is the first circle radius squared
// 5 is 1 to use + in the quadratic eq or -1 to use -
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"attribute vec2 aPosition;\n"
"attribute vec4 aColor;\n"
"varying vec4 vColor;\n"
"varying float vB;\n" // t coeffecient of quadratic.
"varying vec2 t;\n" // coordinates in canonical space
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" t = vec2(texM * vec3(aPosition,1));\n"
" vColor = aColor;\n"
" vB = 2.0 * (uParams[2] * t.x - uParams[3]);\n"
"}\n",
// 6: kTwoPointRadialTextureVertCoords_Program
"uniform " GR_PRECISION " float uParams[6];\n"
DECL_MATRIX(viewM)
DECL_MATRIX(texM)
"attribute vec2 aPosition;\n"
"attribute vec2 aTexture;\n"
"attribute vec4 aColor;\n"
"varying vec4 vColor;\n"
"varying float vB;\n" // t coeffecient of quadratic.
"varying vec2 t;\n" // coordinates in canonical space
"void main() {\n"
" vec3 pos3 = viewM*vec3(aPosition,1);\n"
" gl_Position = vec4(pos3.xy,0,pos3.z);\n"
" t = vec2(texM * vec3(aTexture,1));\n"
" vColor = aColor;\n"
" vB = 2.0 * (uParams[2] * t.x - uParams[3]);\n"
"}\n",
};
static const char* gfshad[] = {
// 0: kTextureVertCoords_Program, kTextureTexCoords_Program
GR_SHADER_PRECISION
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
"uniform sampler2D sTexture;\n"
"void main() {\n"
" gl_FragColor = vColor * texture2D(sTexture, vTexture.xy);\n"
"}\n",
// 1: kTextureVertCoordsProj_Program, kTextureTexCoordsProj_Program
GR_SHADER_PRECISION
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
"uniform sampler2D sTexture;\n"
"void main() {\n"
// On Brian's PC laptop with Intel Gfx texture2DProj seems to be broken
// but it works everywhere else tested.
" gl_FragColor = vColor * texture2DProj(sTexture, vTexture);\n"
"}\n",
// 2: kText_Program
GR_SHADER_PRECISION
"varying vec2 vTexture;\n"
#if ATTRIBUTE_TEXT_COLOR
"varying vec4 vColor;\n"
#else
"uniform vec4 uColor;\n"
#endif
"uniform sampler2D sTexture;\n"
"void main() {\n"
#if ATTRIBUTE_TEXT_COLOR
" gl_FragColor = vColor * texture2D(sTexture, vTexture).a;\n"
#else
" gl_FragColor = uColor * texture2D(sTexture, vTexture).a;\n"
#endif
"}\n",
// 3: kNoTexture_Program
GR_SHADER_PRECISION
"varying vec4 vColor;\n"
"void main() {\n"
" gl_FragColor = vColor;\n"
"}\n",
// 4: kTextureVertCoordsNoColor_Program
GR_SHADER_PRECISION
"varying vec3 vTexture;\n"
"uniform sampler2D sTexture;\n"
"void main() {\n"
" gl_FragColor = texture2D(sTexture, vTexture.xy);\n"
"}\n",
// 5: kRadialTextureVertCoords_Program, kRadialTextureTexCoords_Program
GR_SHADER_PRECISION
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
"uniform sampler2D sTexture;\n"
"void main() {\n"
" gl_FragColor = vColor * texture2D(sTexture, vec2(length(vTexture.xy), 0.5));\n"
"}\n",
// 6: kSweepTextureVertCoords_Program, kSweepTextureTexCoords_Program
GR_SHADER_PRECISION
"varying vec3 vTexture;\n"
"varying vec4 vColor;\n"
"uniform sampler2D sTexture;\n"
"void main() {\n"
" vec2 t = vec2(atan(-vTexture.y, -vTexture.x)*0.1591549430918 + 0.5,\n"
" 0.5);\n"
" gl_FragColor = vColor * texture2D(sTexture, t);\n"
"}\n",
// 7: kTwoPointRadialTextureVertCoords_Program, kTwoPointRadialTextureTexCoords_Program
GR_SHADER_PRECISION
"varying vec4 vColor;\n"
"varying float vB;\n" // t coeffecient of quadratic.
"varying vec2 t;\n" // coordinates in canonical radial gradient space
"uniform sampler2D sTexture;\n"
"uniform float uParams[6];\n"
"void main() {\n"
"float c = t.x*t.x + t.y*t.y - uParams[4];\n"
"float ac4 = uParams[0] * c * 4.0;\n"
"float root = sqrt(abs(vB * vB - ac4));\n"
"float t = (-vB + uParams[5] * root) * uParams[1];\n"
"gl_FragColor = vColor * texture2D(sTexture, vec2(t,0.5))\n;"
"}\n",
};
// determines which frag/vert shaders are used for each program in Programs enum
static const struct {
int fVShaderIdx;
int fFShaderIdx;
bool fHasTexMatrix;
bool fHasTexCoords;
bool fTwoPointRadial;
GrGpuGLShaders::ColorType fColorType;
} gProgramLoadData[] = {
// kTextureVertCoords_Program
{0, 0, true, false, false, GrGpuGLShaders::kAttrib_ColorType },
// kTextureVertCoordsProj_Program
{0, 1, true, false, false, GrGpuGLShaders::kAttrib_ColorType },
// kTextureTexCoords_Program
{1, 0, true, true, false, GrGpuGLShaders::kAttrib_ColorType },
// kTextureTexCoordsProj_Program
{1, 1, true, true, false, GrGpuGLShaders::kAttrib_ColorType },
// kTextureVertCoordsNoColor_Program
{4, 4, true, false, false, GrGpuGLShaders::kNone_ColorType },
// kTextureTexCoordsNoColor_Program
{5, 4, true, false, false, GrGpuGLShaders::kNone_ColorType },
// kText_Program
#if ATTRIBUTE_TEXT_COLOR
{2, 2, false, true, false, GrGpuGLShaders::kAttrib_ColorType },
#else
{2, 2, false, true, false, GrGpuGLShaders::kUniform_ColorType },
#endif
// kRadialTextureVertCoords_Program
{0, 5, true, false, false, GrGpuGLShaders::kAttrib_ColorType },
// kRadialTextureTexCoords_Program
{1, 5, true, true, false, GrGpuGLShaders::kAttrib_ColorType },
// kSweepTextureVertCoords_Program
{0, 6, true, false, false, GrGpuGLShaders::kAttrib_ColorType },
// kSweepTextureTexCoords_Program
{1, 6, true, true, false, GrGpuGLShaders::kAttrib_ColorType },
// kTwoPointRadialTextureVertCoords_Program
{6, 7, true, false, true, GrGpuGLShaders::kAttrib_ColorType },
// kTwoPointRadialTextureTexCoords_Program
{7, 7, true, true, true, GrGpuGLShaders::kAttrib_ColorType },
// kNoTexture_Program
{3, 3, false, false, false, GrGpuGLShaders::kAttrib_ColorType },
};
#define GR_GL_POS_ATTR_LOCATION 0
#define GR_GL_TEX_ATTR_LOCATION 1
#define GR_GL_COL_ATTR_LOCATION 2
#if ATTRIBUTE_MATRIX
#define GR_GL_MAT_ATTR_LOCATION 3
#define GR_GL_TEXMAT_ATTR_LOCATION 6
#endif
GLuint GrGpuGLShaders::loadShader(GLenum type, const char* src) {
GLuint shader = GR_GL(CreateShader(type));
if (0 == shader) {
return 0;
}
GR_GL(ShaderSource(shader, 1, &src, NULL));
GR_GL(CompileShader(shader));
GLint compiled = GR_GL_INIT_ZERO;
GR_GL(GetShaderiv(shader, GL_COMPILE_STATUS, &compiled));
if (!compiled) {
GLint infoLen = GR_GL_INIT_ZERO;
GR_GL(GetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen));
GrAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger
if (infoLen > 0) {
GR_GL(GetShaderInfoLog(shader, infoLen+1, NULL, (char*)log.get()));
GrPrintf((char*)log.get());
}
GrAssert(!"Shader compilation failed!");
GR_GL(DeleteShader(shader));
return 0;
}
return shader;
}
bool GrGpuGLShaders::createProgram(GLuint vshader, GLuint fshader,
bool hasTexMatrix,
bool hasTexCoords,
GrGpuGLShaders::ColorType colorType,
bool twoPointRadial,
ProgramData* program) {
program->fProgramID = GR_GL(CreateProgram());
program->fVShaderID = vshader;
program->fFShaderID = fshader;
GrAssert(0 != program->fProgramID);
GR_GL(AttachShader(program->fProgramID, vshader));
GR_GL(AttachShader(program->fProgramID, fshader));
GR_GL(BindAttribLocation(program->fProgramID,
GR_GL_POS_ATTR_LOCATION,
"aPosition"));
if (hasTexCoords) {
GR_GL(BindAttribLocation(program->fProgramID,
GR_GL_TEX_ATTR_LOCATION,
"aTexture"));
}
#if ATTRIBUTE_MATRIX
if (hasTexMatrix) {
GR_GL(BindAttribLocation(program->fProgramID,
GR_GL_TEXMAT_ATTR_LOCATION,
"texM"));
// set to something arbitrary to signal to flush that program
// uses the texture matrix.
program->fTexMatrixLocation = 1000;
}
#endif
if (colorType == kAttrib_ColorType) {
GR_GL(BindAttribLocation(program->fProgramID,
GR_GL_COL_ATTR_LOCATION,
"aColor"));
}
#if ATTRIBUTE_MATRIX
GR_GL(BindAttribLocation(program->fProgramID,
GR_GL_MAT_ATTR_LOCATION,
"viewM"));
#endif
GR_GL(LinkProgram(program->fProgramID));
GLint linked = GR_GL_INIT_ZERO;
GR_GL(GetProgramiv(program->fProgramID, GL_LINK_STATUS, &linked));
if (!linked) {
GLint infoLen = GR_GL_INIT_ZERO;
GR_GL(GetProgramiv(program->fProgramID, GL_INFO_LOG_LENGTH, &infoLen));
GrAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger
if (infoLen > 0) {
GR_GL(GetProgramInfoLog(program->fProgramID,
infoLen+1,
NULL,
(char*)log.get()));
GrPrintf((char*)log.get());
}
GrAssert(!"Error linking program");
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
}
program->fColorType = colorType;
#if !ATTRIBUTE_MATRIX
program->fMatrixLocation =
GR_GL(GetUniformLocation(program->fProgramID, "viewM"));
program->fTexMatrixLocation =
GR_GL(GetUniformLocation(program->fProgramID, "texM"));
#endif
program->fColorLocation =
GR_GL(GetUniformLocation(program->fProgramID, "uColor"));
program->fTwoPointParamsLocation =
GR_GL(GetUniformLocation(program->fProgramID, "uParams"));
GLint samplerLocation =
GR_GL(GetUniformLocation(program->fProgramID, "sTexture"));
#if !ATTRIBUTE_MATRIX
if (-1 == program->fMatrixLocation) {
GrAssert(!"Cannot find matrix uniform in program");
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
}
#endif
bool hasTexture = hasTexCoords || hasTexMatrix;
if (-1 == samplerLocation && hasTexture) {
GrAssert(!"Expected to find texture sampler");
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
} else if (-1 != samplerLocation && !hasTexture) {
GrAssert(!"unexpectedly found texture sampler");
}
#if !ATTRIBUTE_MATRIX && !defined(GR_SKIP_2POINTRADIAL_PROGRAMS)
if (-1 == program->fTexMatrixLocation && hasTexMatrix) {
GrAssert(!"Expected to find texture matrix");
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
} else if (-1 != program->fTexMatrixLocation && !hasTexMatrix) {
GrAssert(!"unexpectedly found texture matrix");
}
#endif
if (-1 == program->fColorLocation &&
(kUniform_ColorType == colorType)) {
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
} else if (-1 != program->fColorLocation &&
(kUniform_ColorType != colorType)) {
GrAssert(!"Unexpectedly found color uniform");
}
if (twoPointRadial) {
if (-1 == program->fTwoPointParamsLocation) {
GrAssert(!"Didn't find expected uniform for 2pt radial gradient");
GR_GL(DeleteProgram(program->fProgramID));
program->fProgramID = 0;
return false;
}
} else {
GrAssert(-1 == program->fTwoPointParamsLocation);
}
GR_GL(UseProgram(program->fProgramID));
if (-1 != samplerLocation) {
GR_GL(Uniform1i(samplerLocation, 0));
}
return true;
}
GrGpuGLShaders::GrGpuGLShaders() {
resetContextHelper();
GLuint vshadIDs[GR_ARRAY_COUNT(gvshad)];
for (size_t s = 0; s < GR_ARRAY_COUNT(gvshad); ++s) {
vshadIDs[s] = loadShader(GL_VERTEX_SHADER, gvshad[s]);
}
GLuint fshadIDs[GR_ARRAY_COUNT(gfshad)];
for (size_t s = 0; s < GR_ARRAY_COUNT(gfshad); ++s) {
fshadIDs[s] = loadShader(GL_FRAGMENT_SHADER, gfshad[s]);
}
GR_STATIC_ASSERT(kProgramCount == GR_ARRAY_COUNT(gProgramLoadData));
for (int p = 0; p < kProgramCount; ++p) {
#ifdef GR_SKIP_2POINTRADIAL_PROGRAMS
if (11 == p || 12 == p) continue;
#endif
GR_DEBUGCODE(bool result = )
createProgram(vshadIDs[gProgramLoadData[p].fVShaderIdx],
fshadIDs[gProgramLoadData[p].fFShaderIdx],
gProgramLoadData[p].fHasTexMatrix,
gProgramLoadData[p].fHasTexCoords,
gProgramLoadData[p].fColorType,
gProgramLoadData[p].fTwoPointRadial,
&fPrograms[p]);
GR_DEBUGASSERT(result);
fPrograms[p].fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax);
for (int s = 0; s < kNumStages; ++s) {
fPrograms[p].fTextureMatrices[s].setScale(GR_ScalarMax,
GR_ScalarMax); // illegal
};
fPrograms[p].fColor = GrColor_ILLEGAL;
fPrograms[p].fTextureOrientation = (GrGLTexture::Orientation)-1; // illegal
// these aren't strictly invalid, just really unlikely.
fPrograms[p].fRadial2CenterX1 = GR_ScalarMin;
fPrograms[p].fRadial2Radius0 = GR_ScalarMin;
fPrograms[p].fRadial2PosRoot = true; // arbitrary
}
}
GrGpuGLShaders::~GrGpuGLShaders() {
// shaders get deleted once for each program that uses them, do we care?
// probably not
for (int i = 0; i < kProgramCount; ++i) {
GR_GL(DeleteProgram(fPrograms[i].fProgramID));
GR_GL(DeleteShader(fPrograms[i].fVShaderID));
GR_GL(DeleteShader(fPrograms[i].fFShaderID));
}
}
void GrGpuGLShaders::resetContext() {
INHERITED::resetContext();
resetContextHelper();
}
void GrGpuGLShaders::resetContextHelper() {
fHWProgram = (Programs)-1;
fTextureOrientation = (GrGLTexture::Orientation)-1; // illegal
fHWGeometryState.fVertexLayout = 0;
fHWGeometryState.fVertexOffset = ~0;
GR_GL(DisableVertexAttribArray(GR_GL_COL_ATTR_LOCATION));
GR_GL(DisableVertexAttribArray(GR_GL_TEX_ATTR_LOCATION));
GR_GL(EnableVertexAttribArray(GR_GL_POS_ATTR_LOCATION));
}
void GrGpuGLShaders::flushMatrix(GLint location) {
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(GR_GL_MAT_ATTR_LOCATION+0, mt+0));
GR_GL(VertexAttrib4fv(GR_GL_MAT_ATTR_LOCATION+1, mt+3));
GR_GL(VertexAttrib4fv(GR_GL_MAT_ATTR_LOCATION+2, mt+6));
#else
GR_GL(UniformMatrix3fv(location,1,false,mt));
#endif
}
void GrGpuGLShaders::flushTexMatrix(GLint location,
GrGLTexture::Orientation orientation) {
GrMatrix* m;
GrMatrix temp;
if (GrGLTexture::kBottomUp_Orientation == orientation) {
temp.setAll(
GR_Scalar1, 0, 0,
0, -GR_Scalar1, GR_Scalar1,
0, 0, GrMatrix::I()[8]
);
temp.preConcat(fCurrDrawState.fTextureMatrices[0]);
m = &temp;
} else {
GrAssert(GrGLTexture::kTopDown_Orientation == orientation);
m = &fCurrDrawState.fTextureMatrices[0];
}
// 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(GR_GL_TEXMAT_ATTR_LOCATION+0, mt+0));
GR_GL(VertexAttrib4fv(GR_GL_TEXMAT_ATTR_LOCATION+1, mt+3));
GR_GL(VertexAttrib4fv(GR_GL_TEXMAT_ATTR_LOCATION+2, mt+6));
#else
GR_GL(UniformMatrix3fv(location,1,false,mt));
#endif
}
void GrGpuGLShaders::flushTwoPointRadial(GLint paramsLocation,
const GrSamplerState& state) {
GrScalar centerX1 = state.getRadial2CenterX1();
GrScalar radius0 = state.getRadial2Radius0();
GrScalar a = GrMul(centerX1, centerX1) - GR_Scalar1;
float unis[6] = {
GrScalarToFloat(a),
1 / (2.f * unis[0]),
GrScalarToFloat(centerX1),
GrScalarToFloat(radius0),
GrScalarToFloat(GrMul(radius0, radius0)),
state.isRadial2PosRoot() ? 1.f : -1.f
};
GR_GL(Uniform1fv(paramsLocation, 6, unis));
}
void GrGpuGLShaders::flushProgram(PrimitiveType type) {
Programs nextProgram = kNoTexture_Program;
GrTexture* texture = fCurrDrawState.fTextures[0];
bool posAsTex =
!!(StagePosAsTexCoordVertexLayoutBit(0) & fGeometrySrc.fVertexLayout);
if (!VertexUsesStage(0, fGeometrySrc.fVertexLayout)) {
goto HAVE_NEXT_PROGRAM;
}
GrAssert(NULL != texture);
switch (fCurrDrawState.fSamplerStates[0].getSampleMode()) {
case GrSamplerState::kRadial_SampleMode:
GrAssert(!fCurrDrawState.fTextureMatrices[0].hasPerspective());
GrAssert(GrTexture::kAlpha_8_PixelConfig != texture->config());
if (posAsTex) {
nextProgram = kRadialTextureVertCoords_Program;
} else {
nextProgram = kRadialTextureTexCoords_Program;
}
break;
case GrSamplerState::kSweep_SampleMode:
GrAssert(!fCurrDrawState.fTextureMatrices[0].hasPerspective());
GrAssert(GrTexture::kAlpha_8_PixelConfig != texture->config());
if (posAsTex) {
nextProgram = kSweepTextureVertCoords_Program;
} else {
nextProgram = kSweepTextureTexCoords_Program;
}
break;
case GrSamplerState::kRadial2_SampleMode:
GrAssert(!fCurrDrawState.fTextureMatrices[0].hasPerspective());
GrAssert(GrTexture::kAlpha_8_PixelConfig != texture->config());
if (posAsTex) {
nextProgram = kTwoPointRadialTextureVertCoords_Program;
} else {
nextProgram = kTwoPointRadialTextureTexCoords_Program;
}
break;
case GrSamplerState::kNormal_SampleMode:
if (GrTexture::kAlpha_8_PixelConfig == texture->config()) {
GrAssert(((GrGLTexture*)texture)->orientation() ==
GrGLTexture::kTopDown_Orientation);
GrAssert(!posAsTex);
nextProgram = kText_Program;
} else {
bool persp = fCurrDrawState.fTextureMatrices[0].hasPerspective();
if (posAsTex) {
nextProgram = persp ? kTextureVertCoordsProj_Program :
kTextureVertCoords_Program;
} else {
nextProgram = persp ? kTextureTexCoordsProj_Program :
kTextureTexCoords_Program;
}
// check for case when frag shader can skip the color modulation
if (!persp && !(fGeometrySrc.fVertexLayout
& kColor_VertexLayoutBit) &&
0xffffffff == fCurrDrawState.fColor) {
switch (nextProgram) {
case kTextureVertCoords_Program:
nextProgram = kTextureVertCoordsNoColor_Program;
break;
case kTextureTexCoords_Program:
nextProgram = kTextureTexCoordsNoColor_Program;
break;
default:
GrAssert("Unexpected");
break;
}
}
}
break;
default:
GrAssert(!"Unknown samplemode");
break;
}
HAVE_NEXT_PROGRAM:
if (fHWProgram != nextProgram) {
GR_GL(UseProgram(fPrograms[nextProgram].fProgramID));
fHWProgram = nextProgram;
#if GR_COLLECT_STATS
++fStats.fProgChngCnt;
#endif
}
}
bool GrGpuGLShaders::flushGraphicsState(PrimitiveType type) {
for (int s = 1; s < kNumStages; ++s) {
if (VertexUsesStage(s, fGeometrySrc.fVertexLayout)) {
unimpl("the hard-coded shaders used by this "
"class only support 1 stage");
return false;
}
}
if (!flushGLStateCommon(type)) {
return false;
}
if (fRenderTargetChanged) {
// our coords are in pixel space and the GL matrices map to NDC
// so if the viewport changed, our matrix is now wrong.
#if ATTRIBUTE_MATRIX
fHWDrawState.fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax);
#else
// we assume all shader matrices may be wrong after viewport changes
for (int p = 0; p < kProgramCount; ++p) {
// set to illegal matrix
fPrograms[p].fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax);
}
#endif
fRenderTargetChanged = false;
}
flushProgram(type);
if (fGeometrySrc.fVertexLayout & kColor_VertexLayoutBit) {
// invalidate the immediate mode color
fHWDrawState.fColor = GrColor_ILLEGAL;
} else {
// if we don't have per-vert colors either set the color attr
// or color uniform (depending on which program).
if (-1 != fPrograms[fHWProgram].fColorLocation) {
GrAssert(kUniform_ColorType == fPrograms[fHWProgram].fColorType);
if (fPrograms[fHWProgram].fColor != fCurrDrawState.fColor) {
float c[] = {
GrColorUnpackR(fCurrDrawState.fColor) / 255.f,
GrColorUnpackG(fCurrDrawState.fColor) / 255.f,
GrColorUnpackB(fCurrDrawState.fColor) / 255.f,
GrColorUnpackA(fCurrDrawState.fColor) / 255.f
};
GR_GL(Uniform4fv(fPrograms[fHWProgram].fColorLocation, 1, c));
fPrograms[fHWProgram].fColor = fCurrDrawState.fColor;
}
} else if (kAttrib_ColorType == fPrograms[fHWProgram].fColorType &&
fHWDrawState.fColor != fCurrDrawState.fColor) {
// OpenGL ES only supports the float varities of glVertexAttrib
float c[] = {
GrColorUnpackR(fCurrDrawState.fColor) / 255.f,
GrColorUnpackG(fCurrDrawState.fColor) / 255.f,
GrColorUnpackB(fCurrDrawState.fColor) / 255.f,
GrColorUnpackA(fCurrDrawState.fColor) / 255.f
};
GR_GL(VertexAttrib4fv(GR_GL_COL_ATTR_LOCATION, c));
fHWDrawState.fColor = fCurrDrawState.fColor;
}
}
#if ATTRIBUTE_MATRIX
GrMatrix& currentViewMatrix = fHWDrawState.fViewMatrix;
GrMatrix& currentTexMatrix = fHWDrawState.fTextureMatrices[0];
GrGLTexture::Orientation& orientation = fTextureOrientation;
#else
GrMatrix& currentViewMatrix = fPrograms[fHWProgram].fViewMatrix;
GrMatrix& currentTexMatrix = fPrograms[fHWProgram].fTextureMatrices[0];
GrGLTexture::Orientation& orientation =
fPrograms[fHWProgram].fTextureOrientation;
#endif
if (currentViewMatrix !=
fCurrDrawState.fViewMatrix) {
flushMatrix(fPrograms[fHWProgram].fMatrixLocation);
currentViewMatrix = fCurrDrawState.fViewMatrix;
}
GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[0];
if (NULL != texture) {
if (-1 != fPrograms[fHWProgram].fTexMatrixLocation &&
(currentTexMatrix != fCurrDrawState.fTextureMatrices[0] ||
orientation != texture->orientation())) {
flushTexMatrix(fPrograms[fHWProgram].fTexMatrixLocation,
texture->orientation());
currentTexMatrix = fCurrDrawState.fTextureMatrices[0];
orientation = texture->orientation();
}
}
const GrSamplerState& sampler = fCurrDrawState.fSamplerStates[0];
if (-1 != fPrograms[fHWProgram].fTwoPointParamsLocation &&
(fPrograms[fHWProgram].fRadial2CenterX1 != sampler.getRadial2CenterX1() ||
fPrograms[fHWProgram].fRadial2Radius0 != sampler.getRadial2Radius0() ||
fPrograms[fHWProgram].fRadial2PosRoot != sampler.isRadial2PosRoot())) {
flushTwoPointRadial(fPrograms[fHWProgram].fTwoPointParamsLocation,
sampler);
fPrograms[fHWProgram].fRadial2CenterX1 = sampler.getRadial2CenterX1();
fPrograms[fHWProgram].fRadial2Radius0 = sampler.getRadial2Radius0();
fPrograms[fHWProgram].fRadial2PosRoot = sampler.isRadial2PosRoot();
}
return true;
}
void GrGpuGLShaders::setupGeometry(int* startVertex,
int* startIndex,
int vertexCount,
int indexCount) {
int newColorOffset;
int newTexCoordOffsets[kNumStages];
GLsizei newStride = VertexSizeAndOffsetsByStage(fGeometrySrc.fVertexLayout,
newTexCoordOffsets,
&newColorOffset);
int oldColorOffset;
int oldTexCoordOffsets[kNumStages];
GLsizei oldStride = VertexSizeAndOffsetsByStage(fHWGeometryState.fVertexLayout,
oldTexCoordOffsets,
&oldColorOffset);
bool indexed = NULL == startIndex;
int extraVertexOffset;
int extraIndexOffset;
setBuffers(indexed, &extraVertexOffset, &extraIndexOffset);
GLenum scalarType;
bool texCoordNorm;
if (fGeometrySrc.fVertexLayout & kTextFormat_VertexLayoutBit) {
scalarType = GrGLTextType;
texCoordNorm = GR_GL_TEXT_TEXTURE_NORMALIZED;
} else {
scalarType = GrGLType;
texCoordNorm = false;
}
size_t vertexOffset = (*startVertex + extraVertexOffset) * newStride;
*startVertex = 0;
if (indexed) {
*startIndex += extraIndexOffset;
}
// all the Pointers must be set if any of these are true
bool allOffsetsChange = fHWGeometryState.fArrayPtrsDirty ||
vertexOffset != fHWGeometryState.fVertexOffset ||
newStride != oldStride;
// position and tex coord offsets change if above conditions are true
// or the type/normalization changed based on text vs nontext type coords.
bool posAndTexChange = allOffsetsChange ||
(((GrGLTextType != GrGLType) || GR_GL_TEXT_TEXTURE_NORMALIZED) &&
(kTextFormat_VertexLayoutBit &
(fHWGeometryState.fVertexLayout ^
fGeometrySrc.fVertexLayout)));
if (posAndTexChange) {
GR_GL(VertexAttribPointer(GR_GL_POS_ATTR_LOCATION, 2, scalarType,
false, newStride, (GLvoid*)vertexOffset));
fHWGeometryState.fVertexOffset = vertexOffset;
}
// this class only supports one stage.
if (newTexCoordOffsets[0] > 0) {
GLvoid* texCoordOffset = (GLvoid*)(vertexOffset + newTexCoordOffsets[0]);
if (oldTexCoordOffsets[0] <= 0) {
GR_GL(EnableVertexAttribArray(GR_GL_TEX_ATTR_LOCATION));
GR_GL(VertexAttribPointer(GR_GL_TEX_ATTR_LOCATION, 2, scalarType,
texCoordNorm, newStride, texCoordOffset));
} else if (posAndTexChange ||
newTexCoordOffsets[0] != oldTexCoordOffsets[0]) {
GR_GL(VertexAttribPointer(GR_GL_TEX_ATTR_LOCATION, 2, scalarType,
texCoordNorm, newStride, texCoordOffset));
}
} else if (oldTexCoordOffsets[0] > 0) {
GR_GL(DisableVertexAttribArray(GR_GL_TEX_ATTR_LOCATION));
}
if (newColorOffset > 0) {
GLvoid* colorOffset = (GLvoid*)(vertexOffset + newColorOffset);
if (oldColorOffset <= 0) {
GR_GL(EnableVertexAttribArray(GR_GL_COL_ATTR_LOCATION));
GR_GL(VertexAttribPointer(GR_GL_COL_ATTR_LOCATION, 4,
GL_UNSIGNED_BYTE,
true, newStride, colorOffset));
} else if (allOffsetsChange || newColorOffset != oldColorOffset) {
GR_GL(VertexAttribPointer(GR_GL_COL_ATTR_LOCATION, 4,
GL_UNSIGNED_BYTE,
true, newStride, colorOffset));
}
} else if (oldColorOffset > 0) {
GR_GL(DisableVertexAttribArray(GR_GL_COL_ATTR_LOCATION));
}
fHWGeometryState.fVertexLayout = fGeometrySrc.fVertexLayout;
fHWGeometryState.fArrayPtrsDirty = false;
}
#endif

154
gpu/src/GrGpuGLShaders.h
View File

@ -1,154 +0,0 @@
/*
Copyright 2010 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef GrGpuGLShaders_DEFINED
#define GrGpuGLShaders_DEFINED
#include "GrGpuGL.h"
// Programmable OpenGL or OpenGL ES 2.0
class GrGpuGLShaders : public GrGpuGL {
public:
GrGpuGLShaders();
virtual ~GrGpuGLShaders();
virtual void resetContext();
// type of colors used by a program
enum ColorType {
kNone_ColorType,
kAttrib_ColorType,
kUniform_ColorType,
};
protected:
// overrides from GrGpu
virtual bool flushGraphicsState(PrimitiveType type);
virtual void setupGeometry(int* startVertex,
int* startIndex,
int vertexCount,
int indexCount);
private:
void resetContextHelper();
// sets the texture matrix uniform for currently bound program
void flushTexMatrix(GLint location,
GrGLTexture::Orientation orientation);
// sets the MVP matrix uniform for currently bound program
void flushMatrix(GLint location);
void flushTwoPointRadial(GLint paramsLocation, const GrSamplerState&);
// reads shader from array and compiles it with GL, returns shader ID or 0 if failed
GLuint loadShader(GLenum type, const char* src);
struct ProgramData;
// creates a GL program with two shaders attached.
// Gets the relevant uniform locations.
// Sets the texture sampler if present to texture 0
// Binds the program
// returns true if succeeded.
bool createProgram(GLuint vshader,
GLuint fshader,
bool hasTexMatrix,
bool hasTexCoords,
ColorType colorType,
bool twoPointRadial,
ProgramData* program);
// called at flush time to setup the appropriate program
void flushProgram(PrimitiveType type);
enum Programs {
// use vertex coordinates
kTextureVertCoords_Program = 0,
kTextureVertCoordsProj_Program,
// use separate tex coords
kTextureTexCoords_Program,
kTextureTexCoordsProj_Program,
// constant color texture, no proj
// verts as a tex coords
kTextureVertCoordsNoColor_Program,
// constant color texture, no proj
// separate tex coords
kTextureTexCoordsNoColor_Program,
// special program for text glyphs
kText_Program,
// programs for radial texture lookup
kRadialTextureVertCoords_Program,
kRadialTextureTexCoords_Program,
// programs for sweep texture lookup
kSweepTextureVertCoords_Program,
kSweepTextureTexCoords_Program,
// programs for two-point radial lookup
kTwoPointRadialTextureVertCoords_Program,
kTwoPointRadialTextureTexCoords_Program,
// color only drawing
kNoTexture_Program,
kProgramCount
};
// Records per-program information
// we can specify the attribute locations so that they are constant
// across our shaders. But the driver determines the uniform locations
// at link time. We don't need to remember the sampler uniform location
// because we will bind a texture slot to it and never change it
// Uniforms are program-local so we can't rely on fHWState to hold the
// previous uniform state after a program change.
struct ProgramData {
// IDs
GLuint fVShaderID;
GLuint fFShaderID;
GLuint fProgramID;
// shader uniform locations (-1 if shader doesn't use them)
GLint fMatrixLocation;
GLint fTexMatrixLocation;
GLint fColorLocation;
GLint fTwoPointParamsLocation;
ColorType fColorType;
// these reflect the current values of uniforms
// (GL uniform values travel with program)
GrMatrix fViewMatrix;
GrMatrix fTextureMatrices[kNumStages];
GrColor fColor;
GrGLTexture::Orientation fTextureOrientation;
GrScalar fRadial2CenterX1;
GrScalar fRadial2Radius0;
bool fRadial2PosRoot;
};
ProgramData fPrograms[kProgramCount];
Programs fHWProgram;
GrGLTexture::Orientation fTextureOrientation;
typedef GrGpuGL INHERITED;
};
#endif

102
gpu/src/GrGpuGLShaders2.cpp
View File

@ -81,8 +81,7 @@ struct GrGpuGLShaders2::Program {
// these reflect the current values of uniforms
// (GL uniform values travel with program)
GrMatrix fViewMatrix;
GrMatrix fTextureMatrix[kNumStages];
GrGLTexture::Orientation fTextureOrientation[kNumStages];
GrMatrix fTextureMatrices[kNumStages];
GrScalar fRadial2CenterX1[kNumStages];
GrScalar fRadial2Radius0[kNumStages];
bool fRadial2PosRoot[kNumStages];
@ -189,8 +188,7 @@ public:
void invalidateViewMatrices() {
for (int i = 0; i < fCount; ++i) {
// set to illegal matrix
fEntries[i].fProgram.fViewMatrix.setScale(GR_ScalarMax,
GR_ScalarMax);
fEntries[i].fProgram.fViewMatrix = GrMatrix::InvalidMatrix();
}
}
@ -684,7 +682,7 @@ void GrGpuGLShaders2::GenProgram(const ProgramDesc& desc,
desc.fOptFlags);
#if ATTRIBUTE_MATRIX
segments.fVSAttrs = "attribute mat3 " VIEW_MATRIX_NAME ";\n"
segments.fVSAttrs = "attribute mat3 " VIEW_MATRIX_NAME ";\n";
#else
segments.fVSUnis = "uniform mat3 " VIEW_MATRIX_NAME ";\n";
segments.fVSAttrs = "";
@ -883,9 +881,11 @@ void GrGpuGLShaders2::GenProgram(const ProgramDesc& desc,
for (int s = 0; s < kNumStages; ++s) {
if (desc.fStages[s].fEnabled) {
GrStringBuilder matName;
tex_matrix_name(s, &matName);
GR_GL(BindAttribLocation(progID,
TEXMAT_ATTR_LOCATION(s),
tex_matrix_name(i).cstr()));
matName.cstr()));
program->fUniLocations.fStages[s].fTextureMatrixUni =
BOGUS_MATRIX_UNI_LOCATION;
}
@ -972,11 +972,11 @@ void GrGpuGLShaders2::GenProgram(const ProgramDesc& desc,
if (-1 != program->fUniLocations.fStages[s].fSamplerUni) {
GR_GL(Uniform1i(program->fUniLocations.fStages[s].fSamplerUni, s));
}
program->fTextureMatrix[s].setScale(GR_ScalarMax, GR_ScalarMax);
program->fTextureMatrices[s] = GrMatrix::InvalidMatrix();
program->fRadial2CenterX1[s] = GR_ScalarMax;
program->fRadial2Radius0[s] = -GR_ScalarMax;
}
program->fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax);
program->fViewMatrix = GrMatrix::InvalidMatrix();
}
void GrGpuGLShaders2::getProgramDesc(PrimitiveType primType, ProgramDesc* desc) {
@ -1005,10 +1005,9 @@ void GrGpuGLShaders2::getProgramDesc(PrimitiveType primType, ProgramDesc* desc)
GrAssert(NULL != texture);
// we matrix to invert when orientation is TopDown, so make sure
// we aren't in that case before flagging as identity.
if (fCurrDrawState.fTextureMatrices[s].isIdentity() &&
GrGLTexture::kTopDown_Orientation == texture->orientation()) {
if (TextureMatrixIsIdentity(texture, fCurrDrawState.fSamplerStates[s])) {
stage.fOptFlags = StageDesc::kIdentityMatrix_OptFlagBit;
} else if (!fCurrDrawState.fTextureMatrices[s].hasPerspective()) {
} else if (!getSamplerMatrix(s).hasPerspective()) {
stage.fOptFlags = StageDesc::kNoPerspective_OptFlagBit;
} else {
stage.fOptFlags = 0;
@ -1103,14 +1102,28 @@ GrGpuGLShaders2::~GrGpuGLShaders2() {
delete fProgramCache;
}
const GrMatrix& GrGpuGLShaders2::getHWSamplerMatrix(int stage) {
#if ATTRIBUTE_MATRIX
return fHWDrawState.fSamplerStates[stage].getMatrix();
#else
return fProgram->fTextureMatrices[stage];
#endif
}
void GrGpuGLShaders2::recordHWSamplerMatrix(int stage, const GrMatrix& matrix){
#if ATTRIBUTE_MATRIX
fHWDrawState.fSamplerStates[stage].setMatrix(matrix);
#else
fProgram->fTextureMatrices[stage] = matrix;
#endif
}
void GrGpuGLShaders2::resetContext() {
INHERITED::resetContext();
resetContextHelper();
}
void GrGpuGLShaders2::resetContextHelper() {
fTextureOrientation = (GrGLTexture::Orientation)-1; // illegal
fHWGeometryState.fVertexLayout = 0;
fHWGeometryState.fVertexOffset = ~0;
GR_GL(DisableVertexAttribArray(COL_ATTR_LOCATION));
@ -1153,38 +1166,27 @@ void GrGpuGLShaders2::flushViewMatrix() {
}
void GrGpuGLShaders2::flushTextureMatrix(int stage) {
GrAssert(NULL != fCurrDrawState.fTextures[stage]);
GrGLTexture::Orientation orientation =
((GrGLTexture*)fCurrDrawState.fTextures[stage])->orientation();
GrMatrix* m;
GrMatrix temp;
if (GrGLTexture::kBottomUp_Orientation == orientation) {
temp.setAll(
GR_Scalar1, 0, 0,
0, -GR_Scalar1, GR_Scalar1,
0, 0, GrMatrix::I()[8]
);
temp.preConcat(fCurrDrawState.fTextureMatrices[stage]);
m = &temp;
} else {
GrAssert(GrGLTexture::kTopDown_Orientation == orientation);
m = &fCurrDrawState.fTextureMatrices[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]
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));
@ -1192,9 +1194,7 @@ void GrGpuGLShaders2::flushTextureMatrix(int stage) {
GR_GL(VertexAttrib4fv(TEXMAT_ATTR_LOCATION(0)+2, mt+6));
#else
GR_GL(UniformMatrix3fv(fProgram->fUniLocations.fStages[stage].fTextureMatrixUni,
1,
false,
mt));
1, false, mt));
#endif
}
@ -1240,16 +1240,15 @@ bool GrGpuGLShaders2::flushGraphicsState(PrimitiveType type) {
return false;
}
if (fRenderTargetChanged) {
if (fDirtyFlags.fRenderTargetChanged) {
// our coords are in pixel space and the GL matrices map to NDC
// so if the viewport changed, our matrix is now wrong.
#if ATTRIBUTE_MATRIX
fHWDrawState.fViewMatrix.setScale(GR_ScalarMax, GR_ScalarMax);
fHWDrawState.fViewMatrix = GrMatrix::InvalidMatrix();
#else
// we assume all shader matrices may be wrong after viewport changes
fProgramCache->invalidateViewMatrices();
#endif
fRenderTargetChanged = false;
}
flushProgram(type);
@ -1273,12 +1272,8 @@ bool GrGpuGLShaders2::flushGraphicsState(PrimitiveType type) {
#if ATTRIBUTE_MATRIX
GrMatrix& currViewMatrix = fHWDrawState.fViewMatrix;
GrMatrix& currTextureMatrix = fHWDrawState.fMatrixModeCache[kTexture_MatrixMode];
GrGLTexture::Orientation& orientation = fTextureOrientation;
#else
GrMatrix& currViewMatrix = fProgram->fViewMatrix;
GrMatrix& currTextureMatrix = fProgram->fTextureMatrix[0];
GrGLTexture::Orientation& orientation = fProgram->fTextureOrientation[0];
#endif
if (currViewMatrix != fCurrDrawState.fViewMatrix) {
@ -1290,11 +1285,10 @@ bool GrGpuGLShaders2::flushGraphicsState(PrimitiveType type) {
GrGLTexture* texture = (GrGLTexture*) fCurrDrawState.fTextures[s];
if (NULL != texture) {
if (-1 != fProgram->fUniLocations.fStages[s].fTextureMatrixUni &&
(currTextureMatrix != fCurrDrawState.fTextureMatrices[s] ||
orientation != texture->orientation())) {
(((1 << s) & fDirtyFlags.fTextureChangedMask) ||
getHWSamplerMatrix(s) != getSamplerMatrix(s))) {
flushTextureMatrix(s);
currTextureMatrix = fCurrDrawState.fTextureMatrices[s];
orientation = texture->orientation();
recordHWSamplerMatrix(s, getSamplerMatrix(s));
}
}
@ -1311,7 +1305,7 @@ bool GrGpuGLShaders2::flushGraphicsState(PrimitiveType type) {
fProgram->fRadial2PosRoot[s] = sampler.isRadial2PosRoot();
}
}
resetDirtyFlags();
return true;
}

6
gpu/src/GrGpuGLShaders2.h
View File

@ -40,6 +40,10 @@ private:
void resetContextHelper();
// Helpers to make code more readable
const GrMatrix& getHWSamplerMatrix(int stage);
void recordHWSamplerMatrix(int stage, const GrMatrix& matrix);
// sets the texture matrix uniform for currently bound program
void flushTextureMatrix(int stage);
@ -89,8 +93,6 @@ private:
void ProgramUnitTest();
GrGLTexture::Orientation fTextureOrientation;
ProgramCache* fProgramCache;
Program* fProgram;
GLuint fHWProgramID;

39
gpu/src/GrMatrix.cpp
View File

@ -70,15 +70,6 @@ const GrMatrix::MapProc GrMatrix::gMapProcs[] = {
&GrMatrix::mapPerspective,
};
const GrMatrix& GrMatrix::I() {
static GrMatrix* gIdent;
if (NULL == gIdent) {
gIdent = new GrMatrix;
gIdent->setIdentity();
}
return *gIdent;
}
void GrMatrix::setIdentity() {
fM[0] = GR_Scalar1; fM[1] = 0; fM[2] = 0;
fM[3] = 0; fM[4] = GR_Scalar1; fM[5] = 0;
@ -161,7 +152,7 @@ void GrMatrix::setConcat(const GrMatrix& a, const GrMatrix& b) {
tmp.fM[8] = a.fM[6] * b.fM[2] + a.fM[7] * b.fM[5] + a.fM[8] * b.fM[8];
}
*this = tmp;
setTypeMask();
this->computeTypeMask();
}
void GrMatrix::preConcat(const GrMatrix& m) {
@ -239,7 +230,7 @@ bool GrMatrix::invert(GrMatrix* inverted) const {
inverted->fM[7] = 0;
inverted->fM[8] = (GrScalar)(t[8] * det);
}
inverted->setTypeMask();
inverted->computeTypeMask();
return true;
}
@ -347,26 +338,6 @@ bool GrMatrix::operator != (const GrMatrix& m) const {
return !(*this == m);
}
void GrMatrix::setTypeMask()
{
fTypeMask = 0;
if (0 != fM[kPersp0] || 0 != fM[kPersp1] || gRESCALE != fM[kPersp2]) {
fTypeMask |= kPerspective_TypeBit;
}
if (GR_Scalar1 != fM[kScaleX] || GR_Scalar1 != fM[kScaleY]) {
fTypeMask |= kScale_TypeBit;
if (0 == fM[kScaleX] && 0 == fM[kScaleY]) {
fTypeMask |= kZeroScale_TypeBit;
}
}
if (0 != fM[kSkewX] || 0 != fM[kSkewY]) {
fTypeMask |= kSkew_TypeBit;
}
if (0 != fM[kTransX] || 0 != fM[kTransY]) {
fTypeMask |= kTranslate_TypeBit;
}
}
////////////////////////////////////////////////////////////////////////////////
// Matrix transformation procs
//////
@ -648,17 +619,17 @@ void GrMatrix::UnitTest() {
a.set(j, GR_Scalar1);
mask = a.fTypeMask;
a.setTypeMask();
a.computeTypeMask();
GrAssert(mask == a.fTypeMask);
a.set(j, 0);
mask = a.fTypeMask;
a.setTypeMask();
a.computeTypeMask();
GrAssert(mask == a.fTypeMask);
a.set(j, 10 * GR_Scalar1);
mask = a.fTypeMask;
a.setTypeMask();
a.computeTypeMask();
GrAssert(mask == a.fTypeMask);
a.set(j, old);

3
gpu/src/GrTextContext.cpp
View File

@ -45,7 +45,6 @@ void GrTextContext::flushGlyphs() {
int nIndices = fCurrVertex + (fCurrVertex >> 1);
GrAssert(fCurrTexture);
fDrawTarget->setTexture(TEXT_STAGE, fCurrTexture);
fDrawTarget->setTextureMatrix(TEXT_STAGE, GrMatrix::I());
fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer());
fDrawTarget->drawIndexed(GrDrawTarget::kTriangles_PrimitiveType,
@ -94,7 +93,7 @@ GrTextContext::GrTextContext(GrContext* context,
fVertexLayout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(0);
GrMatrix inverseViewMatrix;
if (fOrigViewMatrix.invert(&inverseViewMatrix)) {
fPaint.fTextureMatrix.preConcat(inverseViewMatrix);
fPaint.fSampler.preConcatMatrix(inverseViewMatrix);
}
}

4
gpu/src/GrTextureCache.cpp
View File

@ -228,8 +228,8 @@ void GrTextureCache::purgeAsNeeded() {
#if GR_DUMP_TEXTURE_UPLOAD
GrPrintf("--- ~texture from cache %p [%d %d]\n", entry->texture(),
entry->texture()->contentWidth(),
entry->texture()->contentHeight());
entry->texture()->width(),
entry->texture()->height());
#endif
delete entry;
}

3
gpu/src/gr_files.mk
View File

@ -8,11 +8,10 @@ SOURCE := \
GrGLTexture.cpp \
GrGLVertexBuffer.cpp \
GrGpu.cpp \
GrGpuGLShaders.cpp \
GrGpuGLShaders2.cpp \
GrGpuGLFixed.cpp \
GrGpuFactory.cpp \
GrGLUtil.cpp \
GrGLUtil.cpp \
GrGpuGL.cpp \
GrInOrderDrawBuffer.cpp \
GrMatrix.cpp \

2
include/gpu/SkGpuDevice.h
View File

@ -169,7 +169,7 @@ private:
GrPaint* grPaint);
SkDrawProcs* initDrawForText(GrTextContext*);
bool bindDeviceAsTexture(GrPaint* paint, SkPoint* max);
bool bindDeviceAsTexture(GrPaint* paint);
void prepareRenderTarget(const SkDraw&);
void internalDrawBitmap(const SkDraw&, const SkBitmap&,

70
src/gpu/SkGpuDevice.cpp
View File

@ -314,15 +314,9 @@ void SkGpuDevice::gainFocus(SkCanvas* canvas, const SkMatrix& matrix,
}
}
bool SkGpuDevice::bindDeviceAsTexture(GrPaint* paint, SkPoint* max) {
bool SkGpuDevice::bindDeviceAsTexture(GrPaint* paint) {
if (NULL != fTexture) {
paint->setTexture(fTexture);
if (NULL != max) {
max->set(SkFixedToScalar((width() << 16) /
fTexture->allocWidth()),
SkFixedToScalar((height() << 16) /
fTexture->allocHeight()));
}
return true;
}
return false;
@ -408,7 +402,6 @@ bool SkGpuDevice::skPaint2GrPaintShader(const SkPaint& skPaint,
grPaint->fSampler.setFilter(skPaint.isFilterBitmap());
grPaint->fSampler.setWrapX(sk_tile_mode_to_grwrap(tileModes[0]));
grPaint->fSampler.setWrapY(sk_tile_mode_to_grwrap(tileModes[1]));
if (GrSamplerState::kRadial2_SampleMode == sampleMode) {
grPaint->fSampler.setRadial2Params(twoPointParams[0],
twoPointParams[1],
@ -432,20 +425,16 @@ bool SkGpuDevice::skPaint2GrPaintShader(const SkPaint& skPaint,
}
}
if (SkShader::kDefault_BitmapType == bmptype) {
GrScalar sx = (GR_Scalar1 * texture->contentWidth()) /
(bitmap.width() * texture->allocWidth());
GrScalar sy = (GR_Scalar1 * texture->contentHeight()) /
(bitmap.height() * texture->allocHeight());
GrScalar sx = GrFixedToScalar(GR_Fixed1 / bitmap.width());
GrScalar sy = GrFixedToScalar(GR_Fixed1 / bitmap.height());
matrix.postScale(sx, sy);
} else if (SkShader::kRadial_BitmapType == bmptype) {
GrScalar s = (GR_Scalar1 * texture->contentWidth()) /
(bitmap.width() * texture->allocWidth());
GrScalar s = GrFixedToScalar(GR_Fixed1 / bitmap.width());
matrix.postScale(s, s);
}
GrMatrix grmat;
SkGr::SkMatrix2GrMatrix(matrix, &grPaint->fTextureMatrix);
GrMatrix grMat;
SkGr::SkMatrix2GrMatrix(matrix, &grMat);
grPaint->fSampler.setMatrix(grMat);
return true;
}
@ -722,20 +711,15 @@ static bool drawWithMaskFilter(GrContext* context, const SkPath& path,
grp->setTexture(texture);
texture->unref();
grp->fSampler.setClampNoFilter();
grp->fTextureMatrix.setIdentity();
SkPoint max;
max.set(SkFixedToScalar((texture->contentWidth() << 16) /
texture->allocWidth()),
SkFixedToScalar((texture->contentHeight() << 16) /
texture->allocHeight()));
GrRect r;
r.setLTRB(GrIntToScalar(dstM.fBounds.fLeft),
GrRect d;
d.setLTRB(GrIntToScalar(dstM.fBounds.fLeft),
GrIntToScalar(dstM.fBounds.fTop),
GrIntToScalar(dstM.fBounds.fRight),
GrIntToScalar(dstM.fBounds.fBottom));
context->drawRectToRect(*grp, r, GrRect(0, 0, max.fX, max.fY));
GrRect s;
s.setLTRB(0, 0, GR_Scalar1, GR_Scalar1);
context->drawRectToRect(*grp, d, s);
return true;
}
@ -919,6 +903,7 @@ void SkGpuDevice::internalDrawBitmap(const SkDraw& draw,
grPaint->fSampler.setWrapX(GrSamplerState::kClamp_WrapMode);
grPaint->fSampler.setWrapY(GrSamplerState::kClamp_WrapMode);
grPaint->fSampler.setSampleMode(GrSamplerState::kNormal_SampleMode);
grPaint->fSampler.setMatrix(GrMatrix::I());
GrTexture* texture;
SkAutoCachedTexture act(this, bitmap, grPaint->fSampler, &texture);
@ -927,12 +912,13 @@ void SkGpuDevice::internalDrawBitmap(const SkDraw& draw,
}
grPaint->setTexture(texture);
grPaint->fTextureMatrix.setIdentity();
GrRect dstRect(0, 0, GrIntToScalar(srcRect.width()), GrIntToScalar(srcRect.height()));
GrRect paintRect(GrIntToScalar(srcRect.fLeft) / texture->allocWidth(),
GrIntToScalar(srcRect.fTop) / texture->allocHeight(),
GrIntToScalar(srcRect.fRight) / texture->allocWidth(),
GrIntToScalar(srcRect.fBottom) / texture->allocHeight());
GrRect paintRect;
paintRect.setLTRB(GrFixedToScalar((srcRect.fLeft << 16) / bitmap.width()),
GrFixedToScalar((srcRect.fTop << 16) / bitmap.height()),
GrFixedToScalar((srcRect.fRight << 16) / bitmap.width()),
GrFixedToScalar((srcRect.fBottom << 16) / bitmap.height()));
GrMatrix grMat;
SkGr::SkMatrix2GrMatrix(m, &grMat);
@ -960,29 +946,21 @@ void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
grPaint.fSampler.setClampNoFilter();
SkAutoCachedTexture act(this, bitmap, grPaint.fSampler, &texture);
grPaint.fTextureMatrix.setIdentity();
grPaint.setTexture(texture);
SkPoint max;
max.set(SkFixedToScalar((texture->contentWidth() << 16) /
texture->allocWidth()),
SkFixedToScalar((texture->contentHeight() << 16) /
texture->allocHeight()));
fContext->drawRectToRect(grPaint,
GrRect(GrIntToScalar(left), GrIntToScalar(top),
GrIntToScalar(left + bitmap.width()),
GrIntToScalar(top + bitmap.height())),
GrRect(0, 0, max.fX, max.fY));
GrRect(0, 0, GR_Scalar1, GR_Scalar1));
}
void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* dev,
int x, int y, const SkPaint& paint) {
CHECK_SHOULD_DRAW(draw);
SkPoint max;
GrPaint grPaint;
if (!((SkGpuDevice*)dev)->bindDeviceAsTexture(&grPaint, &max) ||
if (!((SkGpuDevice*)dev)->bindDeviceAsTexture(&grPaint) ||
!this->skPaint2GrPaintNoShader(paint, true, &grPaint)) {
return;
}
@ -996,17 +974,13 @@ void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* dev,
GrAutoMatrix avm(fContext, GrMatrix::I());
grPaint.fSampler.setClampNoFilter();
grPaint.fTextureMatrix.setIdentity();
fContext->drawRectToRect(grPaint,
GrRect(GrIntToScalar(x),
GrIntToScalar(y),
GrIntToScalar(x + w),
GrIntToScalar(y + h)),
GrRect(0,
0,
GrIntToScalar(max.fX),
GrIntToScalar(max.fY)));
GrRect(0, 0, GR_Scalar1, GR_Scalar1));
}
///////////////////////////////////////////////////////////////////////////////

2
vs/SampleApp/SampleApp.vcxproj
View File

@ -151,7 +151,6 @@
<ClInclude Include="..\..\gpu\src\GrBufferAllocPool.h" />
<ClInclude Include="..\..\gpu\src\GrGpuGL.h" />
<ClInclude Include="..\..\gpu\src\GrGpuGLFixed.h" />
<ClInclude Include="..\..\gpu\src\GrGpuGLShaders.h" />
<ClInclude Include="..\..\gpu\src\GrGpuGLShaders2.h" />
<ClInclude Include="..\..\gpu\src\GrQuadIndexTable.h" />
<ClInclude Include="..\..\gpu\src\GrTextStrike_impl.h" />
@ -225,7 +224,6 @@
<ClCompile Include="..\..\gpu\src\GrGpuFactory.cpp" />
<ClCompile Include="..\..\gpu\src\GrGpuGL.cpp" />
<ClCompile Include="..\..\gpu\src\GrGpuGLFixed.cpp" />
<ClCompile Include="..\..\gpu\src\GrGpuGLShaders.cpp" />
<ClCompile Include="..\..\gpu\src\GrGpuGLShaders2.cpp" />
<ClCompile Include="..\..\gpu\src\GrInOrderDrawBuffer.cpp" />
<ClCompile Include="..\..\gpu\src\GrMatrix.cpp" />

8
xcode/gpu/gpu.xcodeproj/project.pbxproj
View File

@ -22,8 +22,6 @@
00115E1612C1167A008296FE /* GrGpuGL.h in Headers */ = {isa = PBXBuildFile; fileRef = 00115DE612C1167A008296FE /* GrGpuGL.h */; };
00115E1712C1167A008296FE /* GrGpuGLFixed.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00115DE712C1167A008296FE /* GrGpuGLFixed.cpp */; };
00115E1812C1167A008296FE /* GrGpuGLFixed.h in Headers */ = {isa = PBXBuildFile; fileRef = 00115DE812C1167A008296FE /* GrGpuGLFixed.h */; };
00115E1912C1167A008296FE /* GrGpuGLShaders.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00115DE912C1167A008296FE /* GrGpuGLShaders.cpp */; };
00115E1A12C1167A008296FE /* GrGpuGLShaders.h in Headers */ = {isa = PBXBuildFile; fileRef = 00115DEA12C1167A008296FE /* GrGpuGLShaders.h */; };
00115E1B12C1167A008296FE /* GrGpuGLShaders2.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00115DEB12C1167A008296FE /* GrGpuGLShaders2.cpp */; };
00115E1C12C1167A008296FE /* GrGpuGLShaders2.h in Headers */ = {isa = PBXBuildFile; fileRef = 00115DEC12C1167A008296FE /* GrGpuGLShaders2.h */; };
00115E1D12C1167A008296FE /* GrInOrderDrawBuffer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 00115DED12C1167A008296FE /* GrInOrderDrawBuffer.cpp */; };
@ -113,8 +111,6 @@
00115DE612C1167A008296FE /* GrGpuGL.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = GrGpuGL.h; path = ../../gpu/src/GrGpuGL.h; sourceTree = SOURCE_ROOT; };
00115DE712C1167A008296FE /* GrGpuGLFixed.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = GrGpuGLFixed.cpp; path = ../../gpu/src/GrGpuGLFixed.cpp; sourceTree = SOURCE_ROOT; };
00115DE812C1167A008296FE /* GrGpuGLFixed.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = GrGpuGLFixed.h; path = ../../gpu/src/GrGpuGLFixed.h; sourceTree = SOURCE_ROOT; };
00115DE912C1167A008296FE /* GrGpuGLShaders.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = GrGpuGLShaders.cpp; path = ../../gpu/src/GrGpuGLShaders.cpp; sourceTree = SOURCE_ROOT; };
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00115DEC12C1167A008296FE /* GrGpuGLShaders2.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = GrGpuGLShaders2.h; path = ../../gpu/src/GrGpuGLShaders2.h; sourceTree = SOURCE_ROOT; };
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@ -294,8 +290,6 @@
00115DE612C1167A008296FE /* GrGpuGL.h */,
00115DE712C1167A008296FE /* GrGpuGLFixed.cpp */,
00115DE812C1167A008296FE /* GrGpuGLFixed.h */,
00115DE912C1167A008296FE /* GrGpuGLShaders.cpp */,
00115DEA12C1167A008296FE /* GrGpuGLShaders.h */,
00115DEB12C1167A008296FE /* GrGpuGLShaders2.cpp */,
00115DEC12C1167A008296FE /* GrGpuGLShaders2.h */,
00115DED12C1167A008296FE /* GrInOrderDrawBuffer.cpp */,
@ -337,7 +331,6 @@
files = (
00115E1612C1167A008296FE /* GrGpuGL.h in Headers */,
00115E1812C1167A008296FE /* GrGpuGLFixed.h in Headers */,
00115E1A12C1167A008296FE /* GrGpuGLShaders.h in Headers */,
00115E1C12C1167A008296FE /* GrGpuGLShaders2.h in Headers */,
00115E2712C1167A008296FE /* GrTextStrike_impl.h in Headers */,
00115E7512C116CA008296FE /* GrAllocator.h in Headers */,
@ -462,7 +455,6 @@
00115E1412C1167A008296FE /* GrGpuFactory.cpp in Sources */,
00115E1512C1167A008296FE /* GrGpuGL.cpp in Sources */,
00115E1712C1167A008296FE /* GrGpuGLFixed.cpp in Sources */,
00115E1912C1167A008296FE /* GrGpuGLShaders.cpp in Sources */,
00115E1B12C1167A008296FE /* GrGpuGLShaders2.cpp in Sources */,
00115E1D12C1167A008296FE /* GrInOrderDrawBuffer.cpp in Sources */,
00115E1E12C1167A008296FE /* GrMatrix.cpp in Sources */,