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Merge pull request #605 from bunnei/rasterize-rgba4
rasterizer: Add support for RGBA4 framebuffer format.
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commit
efcd77a544
@ -8,6 +8,7 @@
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#include "common/math_util.h"
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#include "math.h"
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#include "color.h"
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#include "pica.h"
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#include "rasterizer.h"
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#include "vertex_shader.h"
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@ -37,6 +38,14 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
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break;
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}
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case registers.framebuffer.RGBA4:
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{
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u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 2;
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pixel[1] = (color.r() & 0xF0) | (color.g() >> 4);
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pixel[0] = (color.b() & 0xF0) | (color.a() >> 4);
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break;
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}
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default:
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LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format);
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UNIMPLEMENTED();
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@ -60,6 +69,18 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
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ret.a() = pixel[0];
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return ret;
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}
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case registers.framebuffer.RGBA4:
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{
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Math::Vec4<u8> ret;
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u8* pixel = color_buffer + (x + y * registers.framebuffer.GetWidth()) * 2;
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ret.r() = Color::Convert4To8(pixel[1] >> 4);
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ret.g() = Color::Convert4To8(pixel[1] & 0x0F);
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ret.b() = Color::Convert4To8(pixel[0] >> 4);
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ret.a() = Color::Convert4To8(pixel[0] & 0x0F);
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return ret;
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}
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default:
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LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x", registers.framebuffer.color_format);
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UNIMPLEMENTED();
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