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GBA: Now takes 1.1 seconds to render the frame

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This commit is contained in:
UnknownShadow200 2025-08-17 18:04:17 +10:00
parent 433f7cfa49
commit cbba51ddce
2 changed files with 14 additions and 12 deletions
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17
src/Graphics_SoftMin.c
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@ -542,8 +542,7 @@ static void DrawTriangle3D(Vertex* V0, Vertex* V1, Vertex* V2) {
minX = max(minX, 0); maxX = min(maxX, fb_maxX);
minY = max(minY, 0); maxY = min(maxY, fb_maxY);
// NOTE: W in frag variables below is actually 1/W
float factor = 1.0f / area;
// NOTE: W in frag variables below is actually 1/W
float w0 = V0->w, w1 = V1->w, w2 = V2->w;
// TODO proper clipping
@ -561,9 +560,9 @@ static void DrawTriangle3D(Vertex* V0, Vertex* V1, Vertex* V2) {
int dx12 = y1 - y2, dy12 = x2 - x1;
int dx20 = y2 - y0, dy20 = x0 - x2;
float bc0_start = edgeFunction(x1,y1, x2,y2, minX+0.5f,minY+0.5f);
float bc1_start = edgeFunction(x2,y2, x0,y0, minX+0.5f,minY+0.5f);
float bc2_start = edgeFunction(x0,y0, x1,y1, minX+0.5f,minY+0.5f);
int bc0_start = edgeFunction(x1,y1, x2,y2, minX, minY);
int bc1_start = edgeFunction(x2,y2, x0,y0, minX, minY);
int bc2_start = edgeFunction(x0,y0, x1,y1, minX, minY);
int R, G, B, A, x, y;
int a1, r1, g1, b1;
@ -592,13 +591,13 @@ static void DrawTriangle3D(Vertex* V0, Vertex* V1, Vertex* V2) {
for (y = minY; y <= maxY; y++, bc0_start += dy12, bc1_start += dy20, bc2_start += dy01)
{
float bc0 = bc0_start;
float bc1 = bc1_start;
float bc2 = bc2_start;
int bc0 = bc0_start;
int bc1 = bc1_start;
int bc2 = bc2_start;
for (x = minX; x <= maxX; x++, bc0 += dx12, bc1 += dx20, bc2 += dx01)
{
if (bc0 < 0 || bc1 < 0 || bc2 < 0) continue;
if ((bc0 | bc1 | bc2) < 0) continue;
int cb_index = y * cb_stride + x;

9
src/Model.c
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@ -212,14 +212,17 @@ void Model_DrawPart(struct ModelPart* part) {
struct ModelVertex v;
int i, count = part->count;
float uScale = Models.uScale;
float vScale = Models.vScale;
for (i = 0; i < count; i++) {
for (i = 0; i < count; i++)
{
v = *src;
dst->x = v.x; dst->y = v.y; dst->z = v.z;
dst->Col = Models.Cols[i >> 2];
dst->U = (v.u & UV_POS_MASK) * Models.uScale - (v.u >> UV_MAX_SHIFT) * 0.01f * Models.uScale;
dst->V = (v.v & UV_POS_MASK) * Models.vScale - (v.v >> UV_MAX_SHIFT) * 0.01f * Models.vScale;
dst->U = (v.u & UV_POS_MASK) * uScale - (v.u >> UV_MAX_SHIFT) * 0.01f * uScale;
dst->V = (v.v & UV_POS_MASK) * vScale - (v.v >> UV_MAX_SHIFT) * 0.01f * vScale;
src++; dst++;
}
model->index += count;