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PGXP: Add initial implementation

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This commit is contained in:
Connor McLaughlin
2020-08-02 00:25:07 +10:00
parent 013497cf20
commit 0c1b637549
30 changed files with 1699 additions and 377 deletions
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18
src/core/gpu_hw.h
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@ -55,24 +55,26 @@ protected:
struct BatchVertex
{
s32 x;
s32 y;
s32 z;
float x;
float y;
float z;
float w;
u32 color;
u32 texpage;
u16 u; // 16-bit texcoords are needed for 256 extent rectangles
u16 v;
ALWAYS_INLINE void Set(s32 x_, s32 y_, s32 z_, u32 color_, u32 texpage_, u16 packed_texcoord)
ALWAYS_INLINE void Set(float x_, float y_, float z_, float w_, u32 color_, u32 texpage_, u16 packed_texcoord)
{
Set(x_, y_, z_, color_, texpage_, packed_texcoord & 0xFF, (packed_texcoord >> 8));
Set(x_, y_, z_, w_, color_, texpage_, packed_texcoord & 0xFF, (packed_texcoord >> 8));
}
ALWAYS_INLINE void Set(s32 x_, s32 y_, s32 z_, u32 color_, u32 texpage_, u16 u_, u16 v_)
ALWAYS_INLINE void Set(float x_, float y_, float z_, float w_, u32 color_, u32 texpage_, u16 u_, u16 v_)
{
x = x_;
y = y_;
z = z_;
w = w_;
color = color_;
texpage = texpage_;
u = u_;
@ -191,7 +193,7 @@ protected:
/// Returns the value to be written to the depth buffer for the current operation for mask bit emulation.
ALWAYS_INLINE float GetCurrentNormalizedVertexDepth() const
{
return (static_cast<float>(m_current_depth) / 65535.0f);
return 1.0f - (static_cast<float>(m_current_depth) / 65535.0f);
}
/// Returns the interlaced mode to use when scanning out/displaying.
@ -234,7 +236,7 @@ protected:
/// Handles quads with flipped texture coordinate directions.
static void HandleFlippedQuadTextureCoordinates(BatchVertex* vertices);
static void FixLineVertexCoordinates(BatchVertex& start, BatchVertex& end, s32 dx, s32 dy);
static void FixLineVertexCoordinates(s32& start_x, s32& start_y, s32& end_x, s32& end_y, s32 dx, s32 dy);
HeapArray<u16, VRAM_WIDTH * VRAM_HEIGHT> m_vram_shadow;