/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_OGLSHADERCONFIG_H
#define GFX_OGLSHADERCONFIG_H
#include "gfxTypes.h"
#include "ImageTypes.h"
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/gfx/Matrix.h" // for Matrix4x4
#include "mozilla/gfx/Rect.h" // for Rect
#include "mozilla/gfx/Types.h"
#include "nsDebug.h" // for NS_ASSERTION
#include "nsPoint.h" // for nsIntPoint
#include "nsTArray.h" // for nsTArray
#include "mozilla/layers/CompositorTypes.h"
namespace mozilla {
namespace layers {
enum ShaderFeatures {
ENABLE_RENDER_COLOR =
0 x01,
ENABLE_TEXTURE_RECT =
0 x02,
ENABLE_TEXTURE_EXTERNAL =
0 x04,
ENABLE_TEXTURE_YCBCR =
0 x08,
ENABLE_TEXTURE_NV12 =
0 x10,
ENABLE_TEXTURE_COMPONENT_ALPHA =
0 x20,
ENABLE_TEXTURE_NO_ALPHA =
0 x40,
ENABLE_TEXTURE_RB_SWAP =
0 x80,
ENABLE_OPACITY =
0 x100,
ENABLE_BLUR =
0 x200,
ENABLE_COLOR_MATRIX =
0 x400,
ENABLE_MASK =
0 x800,
ENABLE_NO_PREMUL_ALPHA =
0 x1000,
ENABLE_DEAA =
0 x2000,
ENABLE_DYNAMIC_GEOMETRY =
0 x4000,
ENABLE_MASK_TEXTURE_RECT =
0 x8000,
ENABLE_TEXTURE_NV12_GA_SWITCH =
0 x10000,
};
class KnownUniform {
public :
// this needs to be kept in sync with strings in 'AddUniforms'
enum KnownUniformName {
NotAKnownUniform = -
1 ,
LayerTransform =
0 ,
LayerTransformInverse,
MaskTransform,
BackdropTransform,
LayerRects,
MatrixProj,
TextureTransform,
TextureRects,
RenderTargetOffset,
LayerOpacity,
Texture,
YTexture,
CbTexture,
CrTexture,
RenderColor,
TexCoordMultiplier,
CbCrTexCoordMultiplier,
SSEdges,
ViewportSize,
VisibleCenter,
YuvColorMatrix,
YuvOffsetVector,
KnownUniformCount
};
KnownUniform() {
mName = NotAKnownUniform;
mNameString = nullptr;
mLocation = -
1 ;
memset(&mValue,
0 ,
sizeof (mValue));
}
bool UpdateUniform(int32_t i1) {
if (mLocation == -
1 )
return false ;
if (mValue.i1 != i1) {
mValue.i1 = i1;
return true ;
}
return false ;
}
bool UpdateUniform(
float f1) {
if (mLocation == -
1 )
return false ;
if (mValue.f1 != f1) {
mValue.f1 = f1;
return true ;
}
return false ;
}
bool UpdateUniform(
float f1,
float f2) {
if (mLocation == -
1 )
return false ;
if (mValue.f16v[
0 ] != f1 || mValue.f16v[
1 ] != f2) {
mValue.f16v[
0 ] = f1;
mValue.f16v[
1 ] = f2;
return true ;
}
return false ;
}
bool UpdateUniform(
float f1,
float f2,
float f3,
float f4) {
if (mLocation == -
1 )
return false ;
if (mValue.f16v[
0 ] != f1 || mValue.f16v[
1 ] != f2 || mValue.f16v[
2 ] != f3 ||
mValue.f16v[
3 ] != f4) {
mValue.f16v[
0 ] = f1;
mValue.f16v[
1 ] = f2;
mValue.f16v[
2 ] = f3;
mValue.f16v[
3 ] = f4;
return true ;
}
return false ;
}
bool UpdateUniform(
int cnt,
const float * fp) {
if (mLocation == -
1 )
return false ;
switch (cnt) {
case 1 :
case 2 :
case 3 :
case 4 :
case 9 :
case 16 :
if (memcmp(mValue.f16v, fp,
sizeof (
float ) * cnt) !=
0 ) {
memcpy(mValue.f16v, fp,
sizeof (
float ) * cnt);
return true ;
}
return false ;
}
MOZ_ASSERT_UNREACHABLE(
"cnt must be 1 2 3 4 9 or 16" );
return false ;
}
bool UpdateArrayUniform(
int cnt,
const float * fp) {
if (mLocation == -
1 )
return false ;
if (cnt >
16 ) {
return false ;
}
if (memcmp(mValue.f16v, fp,
sizeof (
float ) * cnt) !=
0 ) {
memcpy(mValue.f16v, fp,
sizeof (
float ) * cnt);
return true ;
}
return false ;
}
bool UpdateArrayUniform(
int cnt,
const gfx::Point3D* points) {
if (mLocation == -
1 )
return false ;
if (cnt >
4 ) {
return false ;
}
float fp[
12 ];
float * d = fp;
for (
int i =
0 ; i < cnt; i++) {
// Note: Do not want to make assumptions about .x, .y, .z member packing.
// If gfx::Point3D is updated to make this guarantee, SIMD optimizations
// may be possible
*d++ = points[i].x;
*d++ = points[i].y;
*d++ = points[i].z;
}
if (memcmp(mValue.f16v, fp,
sizeof (
float ) * cnt *
3 ) !=
0 ) {
memcpy(mValue.f16v, fp,
sizeof (
float ) * cnt *
3 );
return true ;
}
return false ;
}
KnownUniformName mName;
const char * mNameString;
int32_t mLocation;
union {
int i1;
float f1;
float f16v[
16 ];
} mValue;
};
class ShaderConfigOGL {
public :
ShaderConfigOGL()
: mFeatures(
0 ),
mMultiplier(
1 ),
mCompositionOp(gfx::CompositionOp::OP_OVER) {}
void SetRenderColor(
bool aEnabled);
void SetTextureTarget(GLenum aTarget);
void SetMaskTextureTarget(GLenum aTarget);
void SetRBSwap(
bool aEnabled);
void SetNoAlpha(
bool aEnabled);
void SetOpacity(
bool aEnabled);
void SetYCbCr(
bool aEnabled);
void SetNV12(
bool aEnabled);
void SetComponentAlpha(
bool aEnabled);
void SetColorMatrix(
bool aEnabled);
void SetBlur(
bool aEnabled);
void SetMask(
bool aEnabled);
void SetDEAA(
bool aEnabled);
void SetCompositionOp(gfx::CompositionOp aOp);
void SetNoPremultipliedAlpha();
void SetDynamicGeometry(
bool aEnabled);
void SetColorMultiplier(uint32_t aMultiplier);
bool operator <(
const ShaderConfigOGL& other)
const {
return mFeatures < other.mFeatures ||
(mFeatures == other.mFeatures &&
(
int )mCompositionOp < (
int )other.mCompositionOp) ||
(mFeatures == other.mFeatures &&
(
int )mCompositionOp == (
int )other.mCompositionOp &&
mMultiplier < other.mMultiplier);
}
public :
void SetFeature(
int aBitmask,
bool aState) {
if (aState)
mFeatures |= aBitmask;
else
mFeatures &= (~aBitmask);
}
int mFeatures;
uint32_t mMultiplier;
gfx::CompositionOp mCompositionOp;
};
static inline ShaderConfigOGL ShaderConfigFromTargetAndFormat(
GLenum aTarget, gfx::SurfaceFormat aFormat) {
ShaderConfigOGL config;
config.SetTextureTarget(aTarget);
config.SetRBSwap(aFormat == gfx::SurfaceFormat::B8G8R8A8 ||
aFormat == gfx::SurfaceFormat::B8G8R8X8);
config.SetNoAlpha(aFormat == gfx::SurfaceFormat::B8G8R8X8 ||
aFormat == gfx::SurfaceFormat::R8G8B8X8 ||
aFormat == gfx::SurfaceFormat::R5G6B5_UINT16);
return config;
}
}
// namespace layers
}
// namespace mozilla
#endif // GFX_OGLSHADERCONFIG_H
Messung V0.5 in Prozent C=94 H=99 G=96
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-06-04)
¤
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