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GPU: Add support for more framebuffer formats in display transfers.

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This commit is contained in:
Tony Wasserka 2015-01-02 15:29:36 +01:00 committed by archshift
parent 2f7069f9bd
commit 23c6764b2b
1 changed files with 37 additions and 0 deletions
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37
src/core/hw/gpu.cpp
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@ -18,6 +18,7 @@
#include "video_core/command_processor.h"
#include "video_core/video_core.h"
#include <video_core/color.h>
namespace GPU {
@ -113,6 +114,26 @@ inline void Write(u32 addr, const T data) {
break;
}
case Regs::PixelFormat::RGB5A1:
{
u16 srcval = *(u16*)(source_pointer + x * 4 * pixel_skip + y * config.input_width * 4 * pixel_skip);
source_color.r = Color::Convert5To8((srcval >> 11) & 0x1F); // red
source_color.g = Color::Convert5To8((srcval >> 6) & 0x1F); // green
source_color.b = Color::Convert5To8((srcval >> 1) & 0x1F); // blue
source_color.a = Color::Convert1To8(srcval & 0x1); // alpha
break;
}
case Regs::PixelFormat::RGBA4:
{
u16 srcval = *(u16*)(source_pointer + x * 4 * pixel_skip + y * config.input_width * 4 * pixel_skip);
source_color.r = Color::Convert4To8((srcval >> 12) & 0xF); // red
source_color.g = Color::Convert4To8((srcval >> 8) & 0xF); // green
source_color.b = Color::Convert4To8((srcval >> 4) & 0xF); // blue
source_color.a = Color::Convert4To8( srcval & 0xF); // alpha
break;
}
default:
LOG_ERROR(HW_GPU, "Unknown source framebuffer format %x", config.input_format.Value());
break;
@ -140,6 +161,22 @@ inline void Write(u32 addr, const T data) {
break;
}
case Regs::PixelFormat::RGB5A1:
{
u16* dstptr = (u16*)(dest_pointer + x * 2 + y * config.output_width * 2);
*dstptr = ((source_color.r >> 3) << 11) | ((source_color.g >> 3) << 6)
| ((source_color.b >> 3) << 1) | ( source_color.a >> 7);
break;
}
case Regs::PixelFormat::RGBA4:
{
u16* dstptr = (u16*)(dest_pointer + x * 2 + y * config.output_width * 2);
*dstptr = ((source_color.r >> 4) << 12) | ((source_color.g >> 4) << 8)
| ((source_color.b >> 4) << 4) | ( source_color.a >> 4);
break;
}
default:
LOG_ERROR(HW_GPU, "Unknown destination framebuffer format %x", config.output_format.Value());
break;