Merge "remove a dependency of surfaceflinger on libskia"

This commit is contained in:
Mathias Agopian
2010-02-23 12:52:28 -08:00
committed by Android (Google) Code Review
5 changed files with 363 additions and 192 deletions

View File

@@ -35,7 +35,6 @@ LOCAL_SHARED_LIBRARIES := \
libpixelflinger \
libhardware \
libutils \
libskia \
libEGL \
libGLESv1_CM \
libbinder \

View File

@@ -22,6 +22,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES/gl.h>
#include <utils/RefBase.h>

View File

@@ -1496,8 +1496,8 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
layer->needsBlending(), layer->needsDithering(),
layer->contentDirty,
s.alpha, s.flags,
s.transform[0], s.transform[1],
s.transform[2], s.transform[3]);
s.transform[0][0], s.transform[0][1],
s.transform[1][0], s.transform[1][1]);
result.append(buffer);
buffer[0] = 0;
/*** LayerBaseClient ***/
@@ -1833,27 +1833,25 @@ void GraphicPlane::setDisplayHardware(DisplayHardware *hw)
status_t GraphicPlane::orientationToTransfrom(
int orientation, int w, int h, Transform* tr)
{
float a, b, c, d, x, y;
{
uint32_t flags = 0;
switch (orientation) {
case ISurfaceComposer::eOrientationDefault:
// make sure the default orientation is optimal
tr->reset();
return NO_ERROR;
flags = Transform::ROT_0;
break;
case ISurfaceComposer::eOrientation90:
a=0; b=-1; c=1; d=0; x=w; y=0;
flags = Transform::ROT_90;
break;
case ISurfaceComposer::eOrientation180:
a=-1; b=0; c=0; d=-1; x=w; y=h;
flags = Transform::ROT_180;
break;
case ISurfaceComposer::eOrientation270:
a=0; b=1; c=-1; d=0; x=0; y=h;
flags = Transform::ROT_270;
break;
default:
return BAD_VALUE;
}
tr->set(a, b, c, d);
tr->set(x, y);
tr->set(flags, w, h);
return NO_ERROR;
}
@@ -1869,24 +1867,13 @@ status_t GraphicPlane::setOrientation(int orientation)
mHeight = int(h);
Transform orientationTransform;
if (UNLIKELY(orientation == 42)) {
float a, b, c, d, x, y;
const float r = (3.14159265f / 180.0f) * 42.0f;
const float si = sinf(r);
const float co = cosf(r);
a=co; b=-si; c=si; d=co;
x = si*(h*0.5f) + (1-co)*(w*0.5f);
y =-si*(w*0.5f) + (1-co)*(h*0.5f);
orientationTransform.set(a, b, c, d);
orientationTransform.set(x, y);
} else {
GraphicPlane::orientationToTransfrom(orientation, w, h,
&orientationTransform);
if (orientation & ISurfaceComposer::eOrientationSwapMask) {
mWidth = int(h);
mHeight = int(w);
}
GraphicPlane::orientationToTransfrom(orientation, w, h,
&orientationTransform);
if (orientation & ISurfaceComposer::eOrientationSwapMask) {
mWidth = int(h);
mHeight = int(w);
}
mOrientation = orientation;
mGlobalTransform = mDisplayTransform * orientationTransform;
return NO_ERROR;

View File

@@ -14,180 +14,257 @@
* limitations under the License.
*/
#include <math.h>
#include <cutils/compiler.h>
#include <utils/String8.h>
#include <ui/Region.h>
#include <private/pixelflinger/ggl_fixed.h>
#include "Transform.h"
// ---------------------------------------------------------------------------
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
Transform::Transform()
: mType(0)
{
mTransform.reset();
template <typename T> inline T min(T a, T b) {
return a<b ? a : b;
}
template <typename T> inline T min(T a, T b, T c) {
return min(a, min(b, c));
}
template <typename T> inline T min(T a, T b, T c, T d) {
return min(a, b, min(c, d));
}
template <typename T> inline T max(T a, T b) {
return a>b ? a : b;
}
template <typename T> inline T max(T a, T b, T c) {
return max(a, max(b, c));
}
template <typename T> inline T max(T a, T b, T c, T d) {
return max(a, b, max(c, d));
}
// ---------------------------------------------------------------------------
Transform::Transform() {
reset();
}
Transform::Transform(const Transform& other)
: mTransform(other.mTransform), mType(other.mType)
{
: mMatrix(other.mMatrix), mType(other.mType) {
}
Transform::Transform(int32_t flags) {
mTransform.reset();
int sx = (flags & FLIP_H) ? -1 : 1;
int sy = (flags & FLIP_V) ? -1 : 1;
if (flags & ROT_90) {
this->set(0, -sy, sx, 0);
} else {
this->set(sx, 0, 0, sy);
}
Transform::Transform(uint32_t orientation) {
set(orientation, 0, 0);
}
Transform::~Transform() {
}
bool Transform::absIsOne(float f) {
return fabs(f) == 1.0f;
}
bool Transform::isZero(float f) {
return fabs(f) == 0.0f;
}
bool Transform::absEqual(float a, float b) {
return fabs(a) == fabs(b);
}
Transform Transform::operator * (const Transform& rhs) const
{
if (LIKELY(mType == 0))
if (CC_LIKELY(mType == IDENTITY))
return rhs;
Transform r(*this);
r.mTransform.preConcat(rhs.mTransform);
if (rhs.mType == IDENTITY)
return r;
// TODO: we could use mType to optimize the matrix multiply
const mat33& A(mMatrix);
const mat33& B(rhs.mMatrix);
mat33& D(r.mMatrix);
for (int i=0 ; i<3 ; i++) {
const float v0 = A[0][i];
const float v1 = A[1][i];
const float v2 = A[2][i];
D[0][i] = v0*B[0][0] + v1*B[0][1] + v2*B[0][2];
D[1][i] = v0*B[1][0] + v1*B[1][1] + v2*B[1][2];
D[2][i] = v0*B[2][0] + v1*B[2][1] + v2*B[2][2];
}
r.mType |= rhs.mType;
// TODO: we could recompute this value from r and rhs
r.mType &= 0xFF;
r.mType |= UNKNOWN_TYPE;
return r;
}
float Transform::operator [] (int i) const
{
float r = 0;
switch(i) {
case 0: r = SkScalarToFloat( mTransform[SkMatrix::kMScaleX] ); break;
case 1: r = SkScalarToFloat( mTransform[SkMatrix::kMSkewX] ); break;
case 2: r = SkScalarToFloat( mTransform[SkMatrix::kMSkewY] ); break;
case 3: r = SkScalarToFloat( mTransform[SkMatrix::kMScaleY] ); break;
}
return r;
}
uint8_t Transform::type() const
{
if (UNLIKELY(mType & 0x80000000)) {
mType = mTransform.getType();
}
return uint8_t(mType & 0xFF);
float const* Transform::operator [] (int i) const {
return mMatrix[i].v;
}
bool Transform::transformed() const {
return type() > SkMatrix::kTranslate_Mask;
return type() > TRANSLATE;
}
int Transform::tx() const {
return SkScalarRound( mTransform[SkMatrix::kMTransX] );
return floorf(mMatrix[2][0] + 0.5f);
}
int Transform::ty() const {
return SkScalarRound( mTransform[SkMatrix::kMTransY] );
return floorf(mMatrix[2][1] + 0.5f);
}
void Transform::reset() {
mTransform.reset();
mType = 0;
}
void Transform::set( float xx, float xy,
float yx, float yy)
{
mTransform.set(SkMatrix::kMScaleX, SkFloatToScalar(xx));
mTransform.set(SkMatrix::kMSkewX, SkFloatToScalar(xy));
mTransform.set(SkMatrix::kMSkewY, SkFloatToScalar(yx));
mTransform.set(SkMatrix::kMScaleY, SkFloatToScalar(yy));
mType |= 0x80000000;
}
void Transform::set(float radian, float x, float y)
{
float r00 = cosf(radian); float r01 = -sinf(radian);
float r10 = sinf(radian); float r11 = cosf(radian);
mTransform.set(SkMatrix::kMScaleX, SkFloatToScalar(r00));
mTransform.set(SkMatrix::kMSkewX, SkFloatToScalar(r01));
mTransform.set(SkMatrix::kMSkewY, SkFloatToScalar(r10));
mTransform.set(SkMatrix::kMScaleY, SkFloatToScalar(r11));
mTransform.set(SkMatrix::kMTransX, SkIntToScalar(x - r00*x - r01*y));
mTransform.set(SkMatrix::kMTransY, SkIntToScalar(y - r10*x - r11*y));
mType |= 0x80000000 | SkMatrix::kTranslate_Mask;
}
void Transform::scale(float s, float x, float y)
{
mTransform.postScale(s, s, x, y);
mType |= 0x80000000;
}
void Transform::set(int tx, int ty)
{
if (tx | ty) {
mTransform.set(SkMatrix::kMTransX, SkIntToScalar(tx));
mTransform.set(SkMatrix::kMTransY, SkIntToScalar(ty));
mType |= SkMatrix::kTranslate_Mask;
} else {
mTransform.set(SkMatrix::kMTransX, 0);
mTransform.set(SkMatrix::kMTransY, 0);
mType &= ~SkMatrix::kTranslate_Mask;
mType = IDENTITY;
for(int i=0 ; i<3 ; i++) {
vec3& v(mMatrix[i]);
for (int j=0 ; j<3 ; j++)
v[j] = ((i==j) ? 1.0f : 0.0f);
}
}
void Transform::transform(GLfixed* point, int x, int y) const
void Transform::set(float tx, float ty)
{
SkPoint s;
mTransform.mapXY(SkIntToScalar(x), SkIntToScalar(y), &s);
point[0] = SkScalarToFixed(s.fX);
point[1] = SkScalarToFixed(s.fY);
mMatrix[2][0] = tx;
mMatrix[2][1] = ty;
mMatrix[2][2] = 1.0f;
if (isZero(tx) && isZero(ty)) {
mType &= ~TRANSLATE;
} else {
mType |= TRANSLATE;
}
}
void Transform::set(float a, float b, float c, float d)
{
mat33& M(mMatrix);
M[0][0] = a; M[1][0] = b;
M[0][1] = c; M[1][1] = d;
M[0][2] = 0; M[1][2] = 0;
mType = UNKNOWN_TYPE;
}
void Transform::set(uint32_t flags, float w, float h)
{
mType = flags << 8;
float sx = (flags & FLIP_H) ? -1 : 1;
float sy = (flags & FLIP_V) ? -1 : 1;
float a=0, b=0, c=0, d=0, x=0, y=0;
int xmask = 0;
// computation of x,y
// x y
// 0 0 0
// w 0 ROT90
// w h FLIPH|FLIPV
// 0 h FLIPH|FLIPV|ROT90
if (flags & ROT_90) {
mType |= ROTATE;
b = -sy;
c = sx;
xmask = 1;
} else {
a = sx;
d = sy;
}
if (flags & FLIP_H) {
mType ^= SCALE;
xmask ^= 1;
}
if (flags & FLIP_V) {
mType ^= SCALE;
y = h;
}
if ((flags & ROT_180) == ROT_180) {
mType |= ROTATE;
}
if (xmask) {
x = w;
}
if (!isZero(x) || !isZero(y)) {
mType |= TRANSLATE;
}
mat33& M(mMatrix);
M[0][0] = a; M[1][0] = b; M[2][0] = x;
M[0][1] = c; M[1][1] = d; M[2][1] = y;
M[0][2] = 0; M[1][2] = 0; M[2][2] = 1;
}
Transform::vec2 Transform::transform(const vec2& v) const {
vec2 r;
const mat33& M(mMatrix);
r[0] = M[0][0]*v[0] + M[1][0]*v[1] + M[2][0];
r[1] = M[0][1]*v[0] + M[1][1]*v[1] + M[2][1];
return r;
}
Transform::vec3 Transform::transform(const vec3& v) const {
vec3 r;
const mat33& M(mMatrix);
r[0] = M[0][0]*v[0] + M[1][0]*v[1] + M[2][0]*v[2];
r[1] = M[0][1]*v[0] + M[1][1]*v[1] + M[2][1]*v[2];
r[2] = M[0][2]*v[0] + M[1][2]*v[1] + M[2][2]*v[2];
return r;
}
void Transform::transform(fixed1616* point, int x, int y) const
{
const float toFixed = 65536.0f;
const mat33& M(mMatrix);
vec2 v(x, y);
v = transform(v);
point[0] = v[0] * toFixed;
point[1] = v[1] * toFixed;
}
Rect Transform::makeBounds(int w, int h) const
{
Rect r;
SkRect d, s;
s.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
mTransform.mapRect(&d, s);
r.left = SkScalarRound( d.fLeft );
r.top = SkScalarRound( d.fTop );
r.right = SkScalarRound( d.fRight );
r.bottom = SkScalarRound( d.fBottom );
return r;
return transform( Rect(w, h) );
}
Rect Transform::transform(const Rect& bounds) const
{
Rect r;
SkRect d, s;
s.set( SkIntToScalar( bounds.left ),
SkIntToScalar( bounds.top ),
SkIntToScalar( bounds.right ),
SkIntToScalar( bounds.bottom ));
mTransform.mapRect(&d, s);
r.left = SkScalarRound( d.fLeft );
r.top = SkScalarRound( d.fTop );
r.right = SkScalarRound( d.fRight );
r.bottom = SkScalarRound( d.fBottom );
vec2 lt( bounds.left, bounds.top );
vec2 rt( bounds.right, bounds.top );
vec2 lb( bounds.left, bounds.bottom );
vec2 rb( bounds.right, bounds.bottom );
lt = transform(lt);
rt = transform(rt);
lb = transform(lb);
rb = transform(rb);
r.left = floorf(min(lt[0], rt[0], lb[0], rb[0]) + 0.5f);
r.top = floorf(min(lt[1], rt[1], lb[1], rb[1]) + 0.5f);
r.right = floorf(max(lt[0], rt[0], lb[0], rb[0]) + 0.5f);
r.bottom = floorf(max(lt[1], rt[1], lb[1], rb[1]) + 0.5f);
return r;
}
Region Transform::transform(const Region& reg) const
{
Region out;
if (UNLIKELY(transformed())) {
if (LIKELY(preserveRects())) {
if (CC_UNLIKELY(transformed())) {
if (CC_LIKELY(preserveRects())) {
Region::const_iterator it = reg.begin();
Region::const_iterator const end = reg.end();
while (it != end) {
@@ -202,31 +279,108 @@ Region Transform::transform(const Region& reg) const
return out;
}
int32_t Transform::getOrientation() const
uint32_t Transform::type() const
{
uint32_t flags = 0;
if (UNLIKELY(transformed())) {
SkScalar a = mTransform[SkMatrix::kMScaleX];
SkScalar b = mTransform[SkMatrix::kMSkewX];
SkScalar c = mTransform[SkMatrix::kMSkewY];
SkScalar d = mTransform[SkMatrix::kMScaleY];
if (b==0 && c==0 && a && d) {
if (a<0) flags |= FLIP_H;
if (d<0) flags |= FLIP_V;
} else if (b && c && a==0 && d==0) {
flags |= ROT_90;
if (b>0) flags |= FLIP_H;
if (c<0) flags |= FLIP_V;
if (mType & UNKNOWN_TYPE) {
// recompute what this transform is
const mat33& M(mMatrix);
const float a = M[0][0];
const float b = M[1][0];
const float c = M[0][1];
const float d = M[1][1];
const float x = M[2][0];
const float y = M[2][1];
bool scale = false;
uint32_t flags = ROT_0;
if (isZero(b) && isZero(c)) {
if (absEqual(a, d)) {
if (a<0) flags |= FLIP_H;
if (d<0) flags |= FLIP_V;
if (!absIsOne(a) || !absIsOne(d)) {
scale = true;
}
} else {
flags = ROT_INVALID;
}
} else if (isZero(a) && isZero(d)) {
if (absEqual(b, c)) {
flags |= ROT_90;
if (b>0) flags |= FLIP_H;
if (c<0) flags |= FLIP_V;
if (!absIsOne(b) || !absIsOne(c)) {
scale = true;
}
} else {
flags = ROT_INVALID;
}
} else {
flags = 0x80000000;
flags = ROT_INVALID;
}
mType = flags << 8;
if (flags & ROT_INVALID) {
mType |= UNKNOWN;
} else {
if ((flags & ROT_90) || ((flags & ROT_180) == ROT_180))
mType |= ROTATE;
if (flags & FLIP_H)
mType ^= SCALE;
if (flags & FLIP_V)
mType ^= SCALE;
if (scale)
mType |= SCALE;
}
if (!isZero(x) || !isZero(y))
mType |= TRANSLATE;
}
return flags;
return mType;
}
uint32_t Transform::getType() const {
return type() & 0xFF;
}
uint32_t Transform::getOrientation() const
{
return (type() >> 8) & 0xFF;
}
bool Transform::preserveRects() const
{
return mTransform.rectStaysRect();
return (type() & ROT_INVALID) ? false : true;
}
void Transform::dump(const char* name) const
{
type(); // updates the type
String8 flags, type;
const mat33& m(mMatrix);
uint32_t orient = mType >> 8;
if (orient&ROT_INVALID)
flags.append("ROT_INVALID ");
if (orient&ROT_90)
flags.append("ROT_90 ");
if (orient&FLIP_V)
flags.append("FLIP_V ");
if (orient&FLIP_H)
flags.append("FLIP_H ");
if (mType&SCALE)
type.append("SCALE ");
if (mType&ROTATE)
type.append("ROTATE ");
if (mType&TRANSLATE)
type.append("TRANSLATE ");
LOGD("%s (%s, %s)", name, flags.string(), type.string());
LOGD("%.2f %.2f %.2f", m[0][0], m[1][0], m[2][0]);
LOGD("%.2f %.2f %.2f", m[0][1], m[1][1], m[2][1]);
LOGD("%.2f %.2f %.2f", m[0][2], m[1][2], m[2][2]);
}
// ---------------------------------------------------------------------------

View File

@@ -23,10 +23,6 @@
#include <ui/Point.h>
#include <ui/Rect.h>
#include <GLES/gl.h>
#include <core/SkMatrix.h>
namespace android {
class Region;
@@ -38,9 +34,12 @@ class Transform
public:
Transform();
Transform(const Transform& other);
Transform(int32_t flags);
explicit Transform(uint32_t orientation);
~Transform();
typedef int32_t fixed1616;
// FIXME: must match OVERLAY_TRANSFORM_*, pull from hardware.h
enum orientation_flags {
ROT_0 = 0x00000000,
FLIP_H = 0x00000001,
@@ -48,48 +47,79 @@ public:
ROT_90 = 0x00000004,
ROT_180 = FLIP_H|FLIP_V,
ROT_270 = ROT_180|ROT_90,
ROT_INVALID = 0x80000000
ROT_INVALID = 0x80
};
enum type_mask {
IDENTITY = 0,
TRANSLATE = 0x1,
SCALE = 0x2,
AFFINE = 0x4,
PERSPECTIVE = 0x8
ROTATE = 0x2,
SCALE = 0x4,
UNKNOWN = 0x8
};
bool transformed() const;
int32_t getOrientation() const;
bool preserveRects() const;
// query the transform
bool transformed() const;
bool preserveRects() const;
uint32_t getType() const;
uint32_t getOrientation() const;
float const* operator [] (int i) const; // returns column i
int tx() const;
int ty() const;
// modify the transform
void reset();
void set(float xx, float xy, float yx, float yy);
void set(int tx, int ty);
void set(float radian, float x, float y);
void scale(float s, float x, float y);
void set(float tx, float ty);
void set(float a, float b, float c, float d);
void set(uint32_t flags, float w, float h);
// transform data
Rect makeBounds(int w, int h) const;
void transform(GLfixed* point, int x, int y) const;
void transform(fixed1616* point, int x, int y) const;
Region transform(const Region& reg) const;
Rect transform(const Rect& bounds) const;
Transform operator * (const Transform& rhs) const;
float operator [] (int i) const;
inline uint32_t getType() const { return type(); }
inline Transform(bool) : mType(0xFF) { };
private:
uint8_t type() const;
struct vec3 {
float v[3];
inline vec3() { }
inline vec3(float a, float b, float c) {
v[0] = a; v[1] = b; v[2] = c;
}
inline float operator [] (int i) const { return v[i]; }
inline float& operator [] (int i) { return v[i]; }
};
struct vec2 {
float v[2];
inline vec2() { }
inline vec2(float a, float b) {
v[0] = a; v[1] = b;
}
inline float operator [] (int i) const { return v[i]; }
inline float& operator [] (int i) { return v[i]; }
};
struct mat33 {
vec3 v[3];
inline const vec3& operator [] (int i) const { return v[i]; }
inline vec3& operator [] (int i) { return v[i]; }
};
private:
SkMatrix mTransform;
mutable uint32_t mType;
enum { UNKNOWN_TYPE = 0x80000000 };
// assumes the last row is < 0 , 0 , 1 >
vec2 transform(const vec2& v) const;
vec3 transform(const vec3& v) const;
Rect transform(const Rect& bounds) const;
uint32_t type() const;
static bool absIsOne(float f);
static bool absEqual(float a, float b);
static bool isZero(float f);
void dump(const char* name) const;
mat33 mMatrix;
mutable uint32_t mType;
};
// ---------------------------------------------------------------------------