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swiftshader
Commit 5a86ee94 by Nicolas Capens
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Enable R5G6B5 as an internal format.

Bug 20891368 Change-Id: Iea526eebe65616079578563126a6958d87647eb1 Reviewed-on: https://swiftshader-review.googlesource.com/3255Reviewed-by: 's avatarNicolas Capens <capn@google.com> Tested-by: 's avatarNicolas Capens <capn@google.com>
parent 9c7f2d08
Showing with 34 additions and 87 deletions
src/OpenGL/common/Image.cpp
......@@ -186,17 +186,7 @@ namespace
template<>
void LoadImageRow<RGB565>(const unsigned char *source, unsigned char *dest, GLint xoffset, GLsizei width)
{
const unsigned short *source565 = reinterpret_cast<const unsigned short*>(source);
unsigned char *destB = dest + xoffset * 4;
for(int x = 0; x < width; x++)
{
unsigned short rgba = source565[x];
destB[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
destB[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
destB[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
destB[4 * x + 3] = 0xFF;
}
memcpy(dest + xoffset * 2, source, width * 2);
}
template<>
......@@ -587,7 +577,7 @@ namespace egl
}
else if(type == GL_UNSIGNED_SHORT_5_6_5)
{
return sw::FORMAT_X8R8G8B8;
return sw::FORMAT_R5G6B5;
}
else UNREACHABLE(type);
......
src/OpenGL/libGL/Image.cpp
......@@ -214,7 +214,7 @@ namespace gl
}
else if(type == GL_UNSIGNED_SHORT_5_6_5)
{
return sw::FORMAT_X8R8G8B8;
return sw::FORMAT_R5G6B5;
}
else if(type == GL_UNSIGNED_INT_8_8_8_8_REV)
{
......@@ -504,16 +504,9 @@ namespace gl
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 2;
for(int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
dest[4 * x + 3] = 0xFF;
}
memcpy(dest, source, width * 2);
}
}
......
src/Renderer/Surface.cpp
......@@ -1416,7 +1416,6 @@ namespace sw
switch(source.format)
{
case FORMAT_R8G8B8: decodeR8G8B8(destination, source); break; // FIXME: Check destination format
case FORMAT_R5G6B5: decodeR5G6B5(destination, source); break; // FIXME: Check destination format
case FORMAT_X1R5G5B5: decodeX1R5G5B5(destination, source); break; // FIXME: Check destination format
case FORMAT_A1R5G5B5: decodeA1R5G5B5(destination, source); break; // FIXME: Check destination format
case FORMAT_X4R4G4B4: decodeX4R4G4B4(destination, source); break; // FIXME: Check destination format
......@@ -1554,44 +1553,6 @@ namespace sw
}
}
void Surface::decodeR5G6B5(Buffer &destination, const Buffer &source)
{
unsigned char *sourceSlice = (unsigned char*)source.buffer;
unsigned char *destinationSlice = (unsigned char*)destination.buffer;
for(int z = 0; z < destination.depth && z < source.depth; z++)
{
unsigned char *sourceRow = sourceSlice;
unsigned char *destinationRow = destinationSlice;
for(int y = 0; y < destination.height && y < source.height; y++)
{
unsigned char *sourceElement = sourceRow;
unsigned char *destinationElement = destinationRow;
for(int x = 0; x < destination.width && x < source.width; x++)
{
unsigned int rgb = *(unsigned short*)sourceElement;
unsigned int r = (((rgb & 0xF800) * 67385 + 0x800000) >> 8) & 0x00FF0000;
unsigned int g = (((rgb & 0x07E0) * 8289 + 0x8000) >> 8) & 0x0000FF00;
unsigned int b = (((rgb & 0x001F) * 2106 + 0x80) >> 8);
*(unsigned int*)destinationElement = 0xFF000000 | r | g | b;
sourceElement += source.bytes;
destinationElement += destination.bytes;
}
sourceRow += source.pitchB;
destinationRow += destination.pitchB;
}
sourceSlice += source.sliceB;
destinationSlice += destination.sliceB;
}
}
void Surface::decodeX1R5G5B5(Buffer &destination, const Buffer &source)
{
unsigned char *sourceSlice = (unsigned char*)source.buffer;
......@@ -2460,6 +2421,7 @@ namespace sw
{
switch(format)
{
case FORMAT_R5G6B5:
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
......@@ -2507,6 +2469,7 @@ namespace sw
switch(format)
{
case FORMAT_NULL:
case FORMAT_R5G6B5:
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
......@@ -2686,30 +2649,31 @@ namespace sw
{
switch(format)
{
case FORMAT_X8R8G8B8: return 3;
case FORMAT_X8B8G8R8: return 3;
case FORMAT_A8R8G8B8: return 4;
case FORMAT_A8B8G8R8: return 4;
case FORMAT_G8R8: return 2;
case FORMAT_G16R16: return 2;
case FORMAT_A16B16G16R16: return 4;
case FORMAT_V8U8: return 2;
case FORMAT_Q8W8V8U8: return 4;
case FORMAT_X8L8V8U8: return 3;
case FORMAT_V16U16: return 2;
case FORMAT_A16W16V16U16: return 4;
case FORMAT_Q16W16V16U16: return 4;
case FORMAT_R32F: return 1;
case FORMAT_G32R32F: return 2;
case FORMAT_A32B32G32R32F: return 4;
case FORMAT_D32F_LOCKABLE: return 1;
case FORMAT_D32FS8_TEXTURE: return 1;
case FORMAT_D32FS8_SHADOW: return 1;
case FORMAT_A8: return 1;
case FORMAT_R8: return 1;
case FORMAT_L8: return 1;
case FORMAT_L16: return 1;
case FORMAT_A8L8: return 2;
case FORMAT_R5G6B5: return 3;
case FORMAT_X8R8G8B8: return 3;
case FORMAT_X8B8G8R8: return 3;
case FORMAT_A8R8G8B8: return 4;
case FORMAT_A8B8G8R8: return 4;
case FORMAT_G8R8: return 2;
case FORMAT_G16R16: return 2;
case FORMAT_A16B16G16R16: return 4;
case FORMAT_V8U8: return 2;
case FORMAT_Q8W8V8U8: return 4;
case FORMAT_X8L8V8U8: return 3;
case FORMAT_V16U16: return 2;
case FORMAT_A16W16V16U16: return 4;
case FORMAT_Q16W16V16U16: return 4;
case FORMAT_R32F: return 1;
case FORMAT_G32R32F: return 2;
case FORMAT_A32B32G32R32F: return 4;
case FORMAT_D32F_LOCKABLE: return 1;
case FORMAT_D32FS8_TEXTURE: return 1;
case FORMAT_D32FS8_SHADOW: return 1;
case FORMAT_A8: return 1;
case FORMAT_R8: return 1;
case FORMAT_L8: return 1;
case FORMAT_L16: return 1;
case FORMAT_A8L8: return 2;
case FORMAT_YV12_BT601: return 3;
case FORMAT_YV12_BT709: return 3;
case FORMAT_YV12_JFIF: return 3;
......@@ -3593,8 +3557,9 @@ namespace sw
case FORMAT_R4G4B4A4:
case FORMAT_A8B8G8R8:
return FORMAT_A8B8G8R8;
case FORMAT_R3G3B2:
case FORMAT_R5G6B5:
return FORMAT_R5G6B5;
case FORMAT_R3G3B2:
case FORMAT_R8G8B8:
case FORMAT_X4R4G4B4:
case FORMAT_X1R5G5B5:
......
src/Renderer/Surface.hpp
......@@ -388,7 +388,6 @@ namespace sw
};
static void decodeR8G8B8(Buffer &destination, const Buffer &source);
static void decodeR5G6B5(Buffer &destination, const Buffer &source);
static void decodeX1R5G5B5(Buffer &destination, const Buffer &source);
static void decodeA1R5G5B5(Buffer &destination, const Buffer &source);
static void decodeX4R4G4B4(Buffer &destination, const Buffer &source);
......
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