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GPU/HW: Implement oversized VRAM fills in hardware

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Fixes downscaling in Bugs and Taz PAL.
This commit is contained in:
Connor McLaughlin
2021-07-21 19:22:04 +10:00
parent 7ea78ad2df
commit 70209db402
12 changed files with 146 additions and 140 deletions
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12
src/core/gpu_hw.h
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@ -125,6 +125,10 @@ protected:
struct VRAMFillUBOData
{
u32 u_dst_x;
u32 u_dst_y;
u32 u_end_x;
u32 u_end_y;
float u_fill_color[4];
u32 u_interlaced_displayed_field;
};
@ -268,13 +272,19 @@ protected:
/// We need two-pass rendering when using BG-FG blending and texturing, as the transparency can be enabled
/// on a per-pixel basis, and the opaque pixels shouldn't be blended at all.
bool NeedsTwoPassRendering() const
ALWAYS_INLINE bool NeedsTwoPassRendering() const
{
return (m_batch.texture_mode != GPUTextureMode::Disabled &&
(m_batch.transparency_mode == GPUTransparencyMode::BackgroundMinusForeground ||
(!m_supports_dual_source_blend && m_batch.transparency_mode != GPUTransparencyMode::Disabled)));
}
/// Returns true if the specified VRAM fill is oversized.
ALWAYS_INLINE static bool IsVRAMFillOversized(u32 x, u32 y, u32 width, u32 height)
{
return ((x + width) > VRAM_WIDTH || (y + height) > VRAM_HEIGHT);
}
ALWAYS_INLINE bool IsUsingSoftwareRendererForReadbacks() { return static_cast<bool>(m_sw_renderer); }
void FillBackendCommandParameters(GPUBackendCommand* cmd) const;