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Bug 959154 - Part 1: Moz2Dify gl::UploadImageData. r=nical

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This commit is contained in:
Andreas Pehrson 2014-02-14 12:40:26 +01:00
parent 811a92d356
commit b220f378d6
2 changed files with 24 additions and 24 deletions
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46
gfx/gl/GLUploadHelpers.cpp
View File

@ -7,6 +7,7 @@
#include "GLContext.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Tools.h" // For BytesPerPixel
#include "gfxASurface.h"
#include "gfxUtils.h"
#include "gfxContext.h"
@ -14,15 +15,15 @@
namespace mozilla {
using gfx::SurfaceFormat;
using namespace gfx;
namespace gl {
static unsigned int
DataOffset(const nsIntPoint &aPoint, int32_t aStride, gfxImageFormat aFormat)
DataOffset(const nsIntPoint &aPoint, int32_t aStride, SurfaceFormat aFormat)
{
unsigned int data = aPoint.y * aStride;
data += aPoint.x * gfxASurface::BytePerPixelFromFormat(aFormat);
data += aPoint.x * BytesPerPixel(aFormat);
return data;
}
@ -369,7 +370,7 @@ SurfaceFormat
UploadImageDataToTexture(GLContext* gl,
unsigned char* aData,
int32_t aStride,
gfxImageFormat aFormat,
SurfaceFormat aFormat,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite,
@ -411,54 +412,54 @@ UploadImageDataToTexture(GLContext* gl,
GLenum format;
GLenum internalFormat;
GLenum type;
int32_t pixelSize = gfxASurface::BytePerPixelFromFormat(aFormat);
int32_t pixelSize = BytesPerPixel(aFormat);
SurfaceFormat surfaceFormat;
MOZ_ASSERT(gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA ||
gl->GetPreferredARGB32Format() == LOCAL_GL_RGBA);
switch (aFormat) {
case gfxImageFormat::ARGB32:
case SurfaceFormat::B8G8R8A8:
if (gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA) {
format = LOCAL_GL_BGRA;
surfaceFormat = gfx::SurfaceFormat::R8G8B8A8;
surfaceFormat = SurfaceFormat::R8G8B8A8;
type = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
} else {
format = LOCAL_GL_RGBA;
surfaceFormat = gfx::SurfaceFormat::B8G8R8A8;
surfaceFormat = SurfaceFormat::B8G8R8A8;
type = LOCAL_GL_UNSIGNED_BYTE;
}
internalFormat = LOCAL_GL_RGBA;
break;
case gfxImageFormat::RGB24:
// Treat RGB24 surfaces as RGBA32 except for the surface
case SurfaceFormat::B8G8R8X8:
// Treat BGRX surfaces as BGRA except for the surface
// format used.
if (gl->GetPreferredARGB32Format() == LOCAL_GL_BGRA) {
format = LOCAL_GL_BGRA;
surfaceFormat = gfx::SurfaceFormat::R8G8B8X8;
surfaceFormat = SurfaceFormat::R8G8B8X8;
type = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
} else {
format = LOCAL_GL_RGBA;
surfaceFormat = gfx::SurfaceFormat::B8G8R8X8;
surfaceFormat = SurfaceFormat::B8G8R8X8;
type = LOCAL_GL_UNSIGNED_BYTE;
}
internalFormat = LOCAL_GL_RGBA;
break;
case gfxImageFormat::RGB16_565:
case SurfaceFormat::R5G6B5:
internalFormat = format = LOCAL_GL_RGB;
type = LOCAL_GL_UNSIGNED_SHORT_5_6_5;
surfaceFormat = gfx::SurfaceFormat::R5G6B5;
surfaceFormat = SurfaceFormat::R5G6B5;
break;
case gfxImageFormat::A8:
case SurfaceFormat::A8:
internalFormat = format = LOCAL_GL_LUMINANCE;
type = LOCAL_GL_UNSIGNED_BYTE;
// We don't have a specific luminance shader
surfaceFormat = gfx::SurfaceFormat::A8;
surfaceFormat = SurfaceFormat::A8;
break;
default:
NS_ASSERTION(false, "Unhandled image surface format!");
format = 0;
type = 0;
surfaceFormat = gfx::SurfaceFormat::UNKNOWN;
surfaceFormat = SurfaceFormat::UNKNOWN;
}
nsIntRegionRectIterator iter(paintRegion);
@ -551,7 +552,7 @@ UploadSurfaceToTexture(GLContext* gl,
data = imageSurface->Data();
}
data += DataOffset(aSrcPoint, imageSurface->Stride(),
imageSurface->Format());
ImageFormatToSurfaceFormat(imageSurface->Format()));
}
MOZ_ASSERT(imageSurface);
@ -560,14 +561,14 @@ UploadSurfaceToTexture(GLContext* gl,
return UploadImageDataToTexture(gl,
data,
imageSurface->Stride(),
imageSurface->Format(),
ImageFormatToSurfaceFormat(imageSurface->Format()),
aDstRegion, aTexture, aOverwrite,
aPixelBuffer, aTextureUnit, aTextureTarget);
}
SurfaceFormat
UploadSurfaceToTexture(GLContext* gl,
gfx::DataSourceSurface *aSurface,
DataSourceSurface *aSurface,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite,
@ -578,8 +579,7 @@ UploadSurfaceToTexture(GLContext* gl,
{
unsigned char* data = aPixelBuffer ? nullptr : aSurface->GetData();
int32_t stride = aSurface->Stride();
gfxImageFormat format =
ImageFormatForSurfaceFormat(aSurface->GetFormat());
SurfaceFormat format = aSurface->GetFormat();
data += DataOffset(aSrcPoint, stride, format);
return UploadImageDataToTexture(gl, data, stride, format,
aDstRegion, aTexture, aOverwrite,
@ -599,4 +599,4 @@ CanUploadNonPowerOfTwo(GLContext* gl)
}
}
}
}

2
gfx/gl/GLUploadHelpers.h
View File

@ -59,7 +59,7 @@ gfx::SurfaceFormat
UploadImageDataToTexture(GLContext* gl,
unsigned char* aData,
int32_t aStride,
gfxImageFormat aFormat,
gfx::SurfaceFormat aFormat,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite = false,