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authorbunnei <bunneidev@gmail.com>2015-03-04 01:11:07 +0100
committerbunnei <bunneidev@gmail.com>2015-03-04 01:11:07 +0100
commit510246ddce546219ab5586b6cf991752dc78338d (patch)
tree20a611dd0e2d30203d756f79d86838ad22e01f02 /src/core
parentMerge pull request #622 from Subv/titles (diff)
parentGPU: Added RGB565/RGB8 framebuffer support and various cleanups. (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/hw/gpu.cpp75
1 files changed, 25 insertions, 50 deletions
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index 2f1a69d90..424ce2ca7 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -113,8 +113,8 @@ inline void Write(u32 addr, const T data) {
{
const auto& config = g_regs.display_transfer_config;
if (config.trigger & 1) {
- u8* source_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress()));
- u8* dest_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress()));
+ u8* src_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress()));
+ u8* dst_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress()));
unsigned horizontal_scale = (config.scale_horizontally != 0) ? 2 : 1;
unsigned vertical_scale = (config.scale_vertically != 0) ? 2 : 1;
@@ -125,7 +125,7 @@ inline void Write(u32 addr, const T data) {
if (config.raw_copy) {
// Raw copies do not perform color conversion nor tiled->linear / linear->tiled conversions
// TODO(Subv): Verify if raw copies perform scaling
- memcpy(dest_pointer, source_pointer, config.output_width * config.output_height *
+ memcpy(dst_pointer, src_pointer, config.output_width * config.output_height *
GPU::Regs::BytesPerPixel(config.output_format));
LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), flags 0x%08X, Raw copy",
@@ -142,9 +142,7 @@ inline void Write(u32 addr, const T data) {
// right now we're just skipping the extra pixels.
for (u32 y = 0; y < output_height; ++y) {
for (u32 x = 0; x < output_width; ++x) {
- struct {
- int r, g, b, a;
- } source_color = { 0, 0, 0, 0 };
+ Math::Vec4<u8> src_color = { 0, 0, 0, 0 };
u32 scaled_x = x * horizontal_scale;
u32 scaled_y = y * vertical_scale;
@@ -170,77 +168,54 @@ inline void Write(u32 addr, const T data) {
dst_offset = (x + y * output_width) * dst_bytes_per_pixel;
}
+ const u8* src_pixel = src_pointer + src_offset;
switch (config.input_format) {
case Regs::PixelFormat::RGBA8:
- {
- u8* srcptr = source_pointer + src_offset;
- source_color.r = srcptr[3]; // red
- source_color.g = srcptr[2]; // green
- source_color.b = srcptr[1]; // blue
- source_color.a = srcptr[0]; // alpha
+ src_color = Color::DecodeRGBA8(src_pixel);
+ break;
+
+ case Regs::PixelFormat::RGB8:
+ src_color = Color::DecodeRGB8(src_pixel);
+ break;
+
+ case Regs::PixelFormat::RGB565:
+ src_color = Color::DecodeRGB565(src_pixel);
break;
- }
case Regs::PixelFormat::RGB5A1:
- {
- u16 srcval = *(u16*)(source_pointer + src_offset);
- 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
+ src_color = Color::DecodeRGB5A1(src_pixel);
break;
- }
case Regs::PixelFormat::RGBA4:
- {
- u16 srcval = *(u16*)(source_pointer + src_offset);
- 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
+ src_color = Color::DecodeRGBA4(src_pixel);
break;
- }
default:
LOG_ERROR(HW_GPU, "Unknown source framebuffer format %x", config.input_format.Value());
break;
}
+ u8* dst_pixel = dst_pointer + dst_offset;
switch (config.output_format) {
case Regs::PixelFormat::RGBA8:
- {
- u8* dstptr = dest_pointer + dst_offset;
- dstptr[3] = source_color.r;
- dstptr[2] = source_color.g;
- dstptr[1] = source_color.b;
- dstptr[0] = source_color.a;
+ Color::EncodeRGBA8(src_color, dst_pixel);
break;
- }
case Regs::PixelFormat::RGB8:
- {
- u8* dstptr = dest_pointer + dst_offset;
- dstptr[2] = source_color.r; // red
- dstptr[1] = source_color.g; // green
- dstptr[0] = source_color.b; // blue
+ Color::EncodeRGB8(src_color, dst_pixel);
+ break;
+
+ case Regs::PixelFormat::RGB565:
+ Color::EncodeRGB565(src_color, dst_pixel);
break;
- }
case Regs::PixelFormat::RGB5A1:
- {
- u16* dstptr = (u16*)(dest_pointer + dst_offset);
- *dstptr = ((source_color.r >> 3) << 11) | ((source_color.g >> 3) << 6)
- | ((source_color.b >> 3) << 1) | ( source_color.a >> 7);
+ Color::EncodeRGB5A1(src_color, dst_pixel);
break;
- }
case Regs::PixelFormat::RGBA4:
- {
- u16* dstptr = (u16*)(dest_pointer + dst_offset);
- *dstptr = ((source_color.r >> 4) << 12) | ((source_color.g >> 4) << 8)
- | ((source_color.b >> 4) << 4) | ( source_color.a >> 4);
+ Color::EncodeRGBA4(src_color, dst_pixel);
break;
- }
default:
LOG_ERROR(HW_GPU, "Unknown destination framebuffer format %x", config.output_format.Value());