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-rw-r--r--obsolete/SkGL.h314
1 files changed, 0 insertions, 314 deletions
diff --git a/obsolete/SkGL.h b/obsolete/SkGL.h
deleted file mode 100644
index d0cbe7bfa5..0000000000
--- a/obsolete/SkGL.h
+++ /dev/null
@@ -1,314 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#ifndef SkGL_DEFINED
-#define SkGL_DEFINED
-
-#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_SDL)
- #include <OpenGL/gl.h>
- #include <OpenGL/glext.h>
- #include <AGL/agl.h>
- // use FBOs for devices
- #define SK_GL_DEVICE_FBO
-#elif defined(ANDROID)
- #include <GLES/gl.h>
- #include <EGL/egl.h>
- #include <GLES/glext.h>
-#endif
-
-#include "SkColor.h"
-#include "SkMatrix.h"
-#include "SkShader.h"
-
-class SkPaint;
-class SkPath;
-
-class SkGLClipIter;
-
-//#define TRACE_TEXTURE_CREATE
-
-static void SkGL_unimpl(const char str[]) {
- SkDebugf("SkGL unimplemented: %s\n", str);
-}
-///////////////////////////////////////////////////////////////////////////////
-
-#if GL_OES_compressed_paletted_texture
- #define SK_GL_SUPPORT_COMPRESSEDTEXIMAGE2D
-#endif
-
-#if GL_OES_fixed_point && defined(SK_SCALAR_IS_FIXED)
- #define SK_GLType GL_FIXED
-#else
- #define SK_GLType GL_FLOAT
-#endif
-
-#if SK_GLType == GL_FIXED
- typedef SkFixed SkGLScalar;
-
- #define SkIntToGL(n) SkIntToFixed(n)
- #define SkScalarToGL(x) SkScalarToFixed(x)
- #define SK_GLScalar1 SK_Fixed1
- #define SkGLScalarMul(a, b) SkFixedMul(a, b)
- #define MAKE_GL(name) name ## x
-
- #ifdef SK_SCALAR_IS_FIXED
- #define GLSCALAR_IS_SCALAR 1
- #define SkPerspToGL(x) SkFractToFixed(x)
- #else
- #define GLSCALAR_IS_SCALAR 0
- #define SkPerspToGL(x) SkFractToFloat(x)
- #endif
-#else
- typedef float SkGLScalar;
-
- #define SkIntToGL(n) (n)
- #define SkScalarToGL(x) SkScalarToFloat(x)
- #define SK_GLScalar1 (1.f)
- #define SkGLScalarMul(a, b) ((a) * (b))
- #define MAKE_GL(name) name ## f
-
- #ifdef SK_SCALAR_IS_FLOAT
- #define GLSCALAR_IS_SCALAR 1
- #define SkPerspToGL(x) (x)
- #else
- #define GLSCALAR_IS_SCALAR 0
- #define SkPerspToGL(x) SkFractToFloat(x)
- #endif
-#endif
-
-#if GL_OES_fixed_point
- typedef SkFixed SkGLTextScalar;
- #define SK_TextGLType GL_FIXED
-
- #define SkIntToTextGL(n) SkIntToFixed(n)
- #define SkFixedToTextGL(x) (x)
-
- #define SK_glTexParameteri(target, pname, param) \
- glTexParameterx(target, pname, param)
-#else
- typedef float SkGLTextScalar;
- #define SK_TextGLType SK_GLType
- #define SK_GL_HAS_COLOR4UB
-
- #define SkIntToTextGL(n) SkIntToGL(n)
- #define SkFixedToTextGL(x) SkFixedToFloat(x)
-
-
- #define SK_glTexParameteri(target, pname, param) \
- glTexParameteri(target, pname, param)
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-
-// text has its own vertex class, since it may want to be in fixed point (given)
-// that it starts with all integers) even when the default vertices are floats
-struct SkGLTextVertex {
- SkGLTextScalar fX;
- SkGLTextScalar fY;
-
- void setI(int x, int y) {
- fX = SkIntToTextGL(x);
- fY = SkIntToTextGL(y);
- }
-
- void setX(SkFixed x, SkFixed y) {
- fX = SkFixedToTextGL(x);
- fY = SkFixedToTextGL(y);
- }
-
- // counter-clockwise fan
- void setIRectFan(int l, int t, int r, int b) {
- SkGLTextVertex* SK_RESTRICT v = this;
- v[0].setI(l, t);
- v[1].setI(l, b);
- v[2].setI(r, b);
- v[3].setI(r, t);
- }
-
- // counter-clockwise fan
- void setXRectFan(SkFixed l, SkFixed t, SkFixed r, SkFixed b) {
- SkGLTextVertex* SK_RESTRICT v = this;
- v[0].setX(l, t);
- v[1].setX(l, b);
- v[2].setX(r, b);
- v[3].setX(r, t);
- }
-};
-
-struct SkGLVertex {
- SkGLScalar fX;
- SkGLScalar fY;
-
- void setGL(SkGLScalar x, SkGLScalar y) {
- fX = x;
- fY = y;
- }
-
- void setScalars(SkScalar x, SkScalar y) {
- fX = SkScalarToGL(x);
- fY = SkScalarToGL(y);
- }
-
- void setPoint(const SkPoint& pt) {
- fX = SkScalarToGL(pt.fX);
- fY = SkScalarToGL(pt.fY);
- }
-
- void setPoints(const SkPoint* SK_RESTRICT pts, int count) {
- const SkScalar* SK_RESTRICT src = (const SkScalar*)pts;
- SkGLScalar* SK_RESTRICT dst = (SkGLScalar*)this;
- for (int i = 0; i < count; i++) {
- *dst++ = SkScalarToGL(*src++);
- *dst++ = SkScalarToGL(*src++);
- }
- }
-
- // counter-clockwise fan
- void setRectFan(SkScalar l, SkScalar t, SkScalar r, SkScalar b) {
- SkGLVertex* v = this;
- v[0].setScalars(l, t);
- v[1].setScalars(l, b);
- v[2].setScalars(r, b);
- v[3].setScalars(r, t);
- }
-
- // counter-clockwise fan
- void setIRectFan(int l, int t, int r, int b) {
- SkGLVertex* v = this;
- v[0].setGL(SkIntToGL(l), SkIntToGL(t));
- v[1].setGL(SkIntToGL(l), SkIntToGL(b));
- v[2].setGL(SkIntToGL(r), SkIntToGL(b));
- v[3].setGL(SkIntToGL(r), SkIntToGL(t));
- }
-
- // counter-clockwise fan
- void setRectFan(const SkRect& r) {
- this->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom);
- }
-
- // counter-clockwise fan
- void setIRectFan(const SkIRect& r) {
- this->setIRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom);
- }
-};
-
-struct SkGLMatrix {
- SkGLScalar fMat[16];
-
- void reset() {
- sk_bzero(fMat, sizeof(fMat));
- fMat[0] = fMat[5] = fMat[10] = fMat[15] = SK_GLScalar1;
- }
-
- void set(const SkMatrix& m) {
- sk_bzero(fMat, sizeof(fMat));
- fMat[0] = SkScalarToGL(m[SkMatrix::kMScaleX]);
- fMat[4] = SkScalarToGL(m[SkMatrix::kMSkewX]);
- fMat[12] = SkScalarToGL(m[SkMatrix::kMTransX]);
-
- fMat[1] = SkScalarToGL(m[SkMatrix::kMSkewY]);
- fMat[5] = SkScalarToGL(m[SkMatrix::kMScaleY]);
- fMat[13] = SkScalarToGL(m[SkMatrix::kMTransY]);
-
- fMat[3] = SkPerspToGL(m[SkMatrix::kMPersp0]);
- fMat[7] = SkPerspToGL(m[SkMatrix::kMPersp1]);
- fMat[15] = SkPerspToGL(m[SkMatrix::kMPersp2]);
-
- fMat[10] = SK_GLScalar1; // z-scale
- }
-};
-
-class SkGL {
-public:
- static void SetColor(SkColor c);
- static void SetAlpha(U8CPU alpha);
- static void SetPaint(const SkPaint&, bool isPremul = true,
- bool justAlpha = false);
- static void SetPaintAlpha(const SkPaint& paint, bool isPremul = true) {
- SetPaint(paint, isPremul, true);
- }
-
- static void SetRGBA(uint8_t rgba[], const SkColor src[], int count);
- static void DumpError(const char caller[]);
-
- static void Ortho(float left, float right, float bottom, float top,
- float near, float far);
-
- static inline void Translate(SkScalar dx, SkScalar dy) {
- MAKE_GL(glTranslate)(SkScalarToGL(dx), SkScalarToGL(dy), 0);
- }
-
- static inline void Scale(SkScalar sx, SkScalar sy) {
- MAKE_GL(glScale)(SkScalarToGL(sx), SkScalarToGL(sy), SK_GLScalar1);
- }
-
- static inline void Rotate(SkScalar angle) {
- MAKE_GL(glRotate)(SkScalarToGL(angle), 0, 0, SK_GLScalar1);
- }
-
- static inline void MultMatrix(const SkMatrix& m) {
- SkGLMatrix glm;
- glm.set(m);
- MAKE_GL(glMultMatrix)(glm.fMat);
- }
-
- static inline void LoadMatrix(const SkMatrix& m) {
- SkGLMatrix glm;
- glm.set(m);
- MAKE_GL(glLoadMatrix)(glm.fMat);
- }
-
- static void Scissor(const SkIRect&, int viewportHeight);
-
- // return the byte size for the associated texture memory. This doesn't
- // always == bitmap.getSize(), since on a given port we may have to change
- // the format when the bitmap's pixels are copied over to GL
- static size_t ComputeTextureMemorySize(const SkBitmap&);
- // return 0 on failure
- static GLuint BindNewTexture(const SkBitmap&, SkPoint* dimension);
-
- static void SetTexParams(bool filter,
- SkShader::TileMode tx, SkShader::TileMode ty);
- static void SetTexParamsClamp(bool filter);
-
- static void DrawVertices(int count, GLenum mode,
- const SkGLVertex* SK_RESTRICT vertex,
- const SkGLVertex* SK_RESTRICT texCoords,
- const uint8_t* SK_RESTRICT colorArray,
- const uint16_t* SK_RESTRICT indexArray,
- SkGLClipIter*);
-
- static void PrepareForFillPath(SkPaint* paint);
- static void FillPath(const SkPath& path, const SkPaint& paint, bool useTex,
- SkGLClipIter*);
- static void DrawPath(const SkPath& path, bool useTex, SkGLClipIter*);
-};
-
-#include "SkRegion.h"
-
-class SkGLClipIter : public SkRegion::Iterator {
-public:
- SkGLClipIter(int viewportHeight) : fViewportHeight(viewportHeight) {}
-
- // call rewind only if this is non-null
- void safeRewind() {
- if (this) {
- this->rewind();
- }
- }
-
- void scissor() {
- SkASSERT(!this->done());
- SkGL::Scissor(this->rect(), fViewportHeight);
- }
-
-private:
- const int fViewportHeight;
-};
-
-#endif
-
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