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Merge commit 'e5c6fefcd92cb6e877e8501c4b43cbf75460409d'

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This commit is contained in:
Luke Benstead 2023-03-16 21:24:22 +00:00
commit e810d2567d
1 changed files with 13 additions and 16 deletions
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29
GL/platforms/sh4.c
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@ -47,12 +47,10 @@ void SceneListBegin(GPUList list) {
pvr_list_begin(list);
}
__attribute__((optimize("O3", "fast-math")))
GL_FORCE_INLINE float _glFastInvert(float x) {
return (1.f / __builtin_sqrtf(x * x));
}
__attribute__((optimize("O3", "fast-math")))
GL_FORCE_INLINE void _glPerspectiveDivideVertex(Vertex* vertex, const float h) {
const float f = _glFastInvert(vertex->w);
@ -107,17 +105,16 @@ static int tri_count = 0;
static int strip_count = 0;
GL_FORCE_INLINE void interpolateColour(const uint8_t* v1, const uint8_t* v2, const float t, uint8_t* out) {
const int MASK1 = 0x00FF00FF;
const int MASK2 = 0xFF00FF00;
const static int MASK1 = 0x00FF00FF;
const static int MASK2 = 0xFF00FF00;
const int f2 = 256 * t;
const uint32_t* a = (uint32_t*) v1;
const uint32_t* b = (uint32_t*) v2;
const int f2 = 256.0f * t;
const int f1 = 256 - f2;
const uint32_t a = *(uint32_t*) v1;
const uint32_t b = *(uint32_t*) v2;
*((uint32_t*) out) = (((((a & MASK1) * f1) + ((b & MASK1) * f2)) >> 8) & MASK1) |
(((((a & MASK2) * f1) + ((b & MASK2) * f2)) >> 8) & MASK2);
*((uint32_t*) out) = (((((*a & MASK1) * f1) + ((*b & MASK1) * f2)) >> 8) & MASK1) |
(((((*a & MASK2) * f1) + ((*b & MASK2) * f2)) >> 8) & MASK2);
}
GL_FORCE_INLINE void _glClipEdge(const Vertex* v1, const Vertex* v2, Vertex* vout) {
@ -135,13 +132,13 @@ GL_FORCE_INLINE void _glClipEdge(const Vertex* v1, const Vertex* v2, Vertex* vou
t = (t > 1.0f) ? 1.0f : t;
t = (t < 0.0f) ? 0.0f : t;
vout->xyz[0] = __builtin_fmaf(v2->xyz[0] - v1->xyz[0], t, v1->xyz[0]);
vout->xyz[1] = __builtin_fmaf(v2->xyz[1] - v1->xyz[1], t, v1->xyz[1]);
vout->xyz[2] = __builtin_fmaf(v2->xyz[2] - v1->xyz[2], t, v1->xyz[2]);
vout->w = __builtin_fmaf(v2->w - v1->w, t, v1->w);
vout->xyz[0] = fmaf(v2->xyz[0] - v1->xyz[0], t, v1->xyz[0]);
vout->xyz[1] = fmaf(v2->xyz[1] - v1->xyz[1], t, v1->xyz[1]);
vout->xyz[2] = fmaf(v2->xyz[2] - v1->xyz[2], t, v1->xyz[2]);
vout->w = fmaf(v2->w - v1->w, t, v1->w);
vout->uv[0] = __builtin_fmaf(v2->uv[0] - v1->uv[0], t, v1->uv[0]);
vout->uv[1] = __builtin_fmaf(v2->uv[1] - v1->uv[1], t, v1->uv[1]);
vout->uv[0] = fmaf(v2->uv[0] - v1->uv[0], t, v1->uv[0]);
vout->uv[1] = fmaf(v2->uv[1] - v1->uv[1], t, v1->uv[1]);
interpolateColour(v1->bgra, v2->bgra, t, vout->bgra);
}