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GPU: Ensure coordinates are masked/clamped

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This commit is contained in:
Stenzek
2024-05-01 14:11:20 +10:00
parent 325cf577a2
commit fec210b1e1
7 changed files with 81 additions and 36 deletions
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15
src/core/gpu_sw_backend.cpp
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@ -214,6 +214,7 @@ void ALWAYS_INLINE_RELEASE GPU_SW_Backend::ShadePixel(const GPUBackendDrawComman
if ((bg_color.bits & mask_and) != 0)
return;
DebugAssert(static_cast<u32>(x) < VRAM_WIDTH && static_cast<u32>(y) < VRAM_HEIGHT);
SetPixel(static_cast<u32>(x), static_cast<u32>(y), color.bits | cmd->params.GetMaskOR());
}
@ -234,6 +235,7 @@ void GPU_SW_Backend::DrawRectangle(const GPUBackendDrawRectangleCommand* cmd)
continue;
}
const u32 draw_y = static_cast<u32>(y) & VRAM_HEIGHT_MASK;
const u8 texcoord_y = Truncate8(ZeroExtend32(origin_texcoord_y) + offset_y);
for (u32 offset_x = 0; offset_x < cmd->width; offset_x++)
@ -244,8 +246,8 @@ void GPU_SW_Backend::DrawRectangle(const GPUBackendDrawRectangleCommand* cmd)
const u8 texcoord_x = Truncate8(ZeroExtend32(origin_texcoord_x) + offset_x);
ShadePixel<texture_enable, raw_texture_enable, transparency_enable, false>(
cmd, static_cast<u32>(x), static_cast<u32>(y), r, g, b, texcoord_x, texcoord_y);
ShadePixel<texture_enable, raw_texture_enable, transparency_enable, false>(cmd, static_cast<u32>(x), draw_y, r, g,
b, texcoord_x, texcoord_y);
}
}
}
@ -569,7 +571,7 @@ void GPU_SW_Backend::DrawTriangle(const GPUBackendDrawPolygonCommand* cmd,
continue;
DrawSpan<shading_enable, texture_enable, raw_texture_enable, transparency_enable, dithering_enable>(
cmd, yi, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
cmd, y & VRAM_HEIGHT_MASK, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
}
}
else
@ -583,9 +585,8 @@ void GPU_SW_Backend::DrawTriangle(const GPUBackendDrawPolygonCommand* cmd,
if (y >= static_cast<s32>(m_drawing_area.top))
{
DrawSpan<shading_enable, texture_enable, raw_texture_enable, transparency_enable, dithering_enable>(
cmd, yi, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
cmd, y & VRAM_HEIGHT_MASK, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
}
yi++;
@ -698,8 +699,8 @@ void GPU_SW_Backend::DrawLine(const GPUBackendDrawLineCommand* cmd, const GPUBac
const u8 g = shading_enable ? static_cast<u8>(cur_point.g >> Line_RGB_FractBits) : p0->g;
const u8 b = shading_enable ? static_cast<u8>(cur_point.b >> Line_RGB_FractBits) : p0->b;
ShadePixel<false, false, transparency_enable, dithering_enable>(cmd, static_cast<u32>(x), static_cast<u32>(y), r,
g, b, 0, 0);
ShadePixel<false, false, transparency_enable, dithering_enable>(
cmd, static_cast<u32>(x), static_cast<u32>(y) & VRAM_HEIGHT_MASK, r, g, b, 0, 0);
}
cur_point.x += step.dx_dk;