mirror of https://github.com/mgba-emu/mgba.git
DS GX: Render polygons in an opaque and a translucent pass
This commit is contained in:
Vicki Pfau
parent
a79ff0964b
commit
d7ce8f9f06
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@ -442,99 +442,44 @@ static void DSGXSoftwareRendererInvalidateTex(struct DSGXRenderer* renderer, int
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// TODO
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// TODO
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}
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}
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static void DSGXSoftwareRendererSetRAM(struct DSGXRenderer* renderer, struct DSGXVertex* verts, struct DSGXPolygon* polys, unsigned polyCount, bool wSort) {
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static void _preparePoly(struct DSGXRenderer* renderer, struct DSGXVertex* verts, struct DSGXSoftwarePolygon* poly, int polyId) {
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struct DSGXSoftwareRenderer* softwareRenderer = (struct DSGXSoftwareRenderer*) renderer;
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struct DSGXSoftwareRenderer* softwareRenderer = (struct DSGXSoftwareRenderer*) renderer;
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struct DSGXSoftwareEdge* edge = DSGXSoftwareEdgeListAppend(&softwareRenderer->activeEdges);
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softwareRenderer->flushPending = true;
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poly->texFormat = DSGXTexParamsGetFormat(poly->poly->texParams);
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softwareRenderer->wSort = wSort;
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poly->blendFormat = DSGXPolygonAttrsGetMode(poly->poly->polyParams);
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softwareRenderer->verts = verts;
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poly->texW = 8 << DSGXTexParamsGetSSize(poly->poly->texParams);
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DSGXSoftwarePolygonListClear(&softwareRenderer->activePolys);
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poly->texH = 8 << DSGXTexParamsGetTSize(poly->poly->texParams);
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DSGXSoftwareEdgeListClear(&softwareRenderer->activeEdges);
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if (!renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET]) {
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unsigned i;
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poly->texBase = NULL;
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for (i = 0; i < polyCount; ++i) {
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poly->palBase = NULL;
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struct DSGXSoftwarePolygon* poly = DSGXSoftwarePolygonListAppend(&softwareRenderer->activePolys);
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} else {
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struct DSGXSoftwareEdge* edge = DSGXSoftwareEdgeListAppend(&softwareRenderer->activeEdges);
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switch (poly->texFormat) {
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poly->poly = &polys[i];
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case 0:
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poly->texFormat = DSGXTexParamsGetFormat(poly->poly->texParams);
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case 7:
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poly->blendFormat = DSGXPolygonAttrsGetMode(poly->poly->polyParams);
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poly->texW = 8 << DSGXTexParamsGetSSize(poly->poly->texParams);
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poly->texH = 8 << DSGXTexParamsGetTSize(poly->poly->texParams);
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if (!renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET]) {
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poly->texBase = NULL;
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poly->texBase = NULL;
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poly->palBase = NULL;
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poly->palBase = NULL;
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} else {
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break;
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switch (poly->texFormat) {
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case 2:
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case 0:
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poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
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case 7:
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poly->palBase = &renderer->texPal[poly->poly->palBase >> 11][(poly->poly->palBase << 2) & 0x1FFF];
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poly->texBase = NULL;
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break;
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poly->palBase = NULL;
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default:
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break;
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poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
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case 2:
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poly->palBase = &renderer->texPal[poly->poly->palBase >> 10][(poly->poly->palBase << 3) & 0x1FFF];
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poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
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break;
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poly->palBase = &renderer->texPal[poly->poly->palBase >> 11][(poly->poly->palBase << 2) & 0x1FFF];
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break;
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default:
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poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
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poly->palBase = &renderer->texPal[poly->poly->palBase >> 10][(poly->poly->palBase << 3) & 0x1FFF];
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break;
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}
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}
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}
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edge->polyId = i;
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}
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edge->polyId = polyId;
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struct DSGXVertex* v0 = &verts[poly->poly->vertIds[0]];
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struct DSGXVertex* v0 = &verts[poly->poly->vertIds[0]];
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struct DSGXVertex* v1;
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struct DSGXVertex* v1;
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int32_t v0x = (v0->vx + v0->vw) * (int64_t) (renderer->viewportWidth << 12) / (v0->vw * 2) + (renderer->viewportX << 12);
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int32_t v0x = (v0->vx + v0->vw) * (int64_t) (renderer->viewportWidth << 12) / (v0->vw * 2) + (renderer->viewportX << 12);
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int32_t v0y = (-v0->vy + v0->vw) * (int64_t) (renderer->viewportHeight << 12) / (v0->vw * 2) + (renderer->viewportY << 12);
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int32_t v0y = (-v0->vy + v0->vw) * (int64_t) (renderer->viewportHeight << 12) / (v0->vw * 2) + (renderer->viewportY << 12);
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int v;
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int v;
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for (v = 1; v < poly->poly->verts; ++v) {
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for (v = 1; v < poly->poly->verts; ++v) {
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v1 = &verts[poly->poly->vertIds[v]];
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v1 = &verts[poly->poly->vertIds[v]];
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int32_t v1x = (v1->vx + v1->vw) * (int64_t) (renderer->viewportWidth << 12) / (v1->vw * 2) + (renderer->viewportX << 12);
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int32_t v1y = (-v1->vy + v1->vw) * (int64_t) (renderer->viewportHeight << 12) / (v1->vw * 2) + (renderer->viewportY << 12);
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if (v0y <= v1y) {
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edge->y0 = v0y;
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edge->x0 = v0x;
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edge->z0 = v0->vz;
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edge->w0 = v0->vw;
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_expandColor(v0->color, &edge->cr0, &edge->cg0, &edge->cb0);
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edge->s0 = v0->vs;
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edge->t0 = v0->vt;
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edge->y1 = v1y;
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edge->x1 = v1x;
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edge->z1 = v1->vz;
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edge->w1 = v1->vw;
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_expandColor(v1->color, &edge->cr1, &edge->cg1, &edge->cb1);
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edge->s1 = v1->vs;
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edge->t1 = v1->vt;
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} else {
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edge->y0 = v1y;
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edge->x0 = v1x;
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edge->z0 = v1->vz;
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edge->w0 = v1->vw;
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_expandColor(v1->color, &edge->cr0, &edge->cg0, &edge->cb0);
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edge->s0 = v1->vs;
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edge->t0 = v1->vt;
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edge->y1 = v0y;
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edge->x1 = v0x;
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edge->z1 = v0->vz;
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edge->w1 = v0->vw;
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_expandColor(v0->color, &edge->cr1, &edge->cg1, &edge->cb1);
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edge->s1 = v0->vs;
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edge->t1 = v0->vt;
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}
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edge = DSGXSoftwareEdgeListAppend(&softwareRenderer->activeEdges);
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edge->polyId = i;
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v0 = v1;
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v0x = v1x;
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v0y = v1y;
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}
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v1 = &verts[poly->poly->vertIds[0]];
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int32_t v1x = (v1->vx + v1->vw) * (int64_t) (renderer->viewportWidth << 12) / (v1->vw * 2) + (renderer->viewportX << 12);
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int32_t v1x = (v1->vx + v1->vw) * (int64_t) (renderer->viewportWidth << 12) / (v1->vw * 2) + (renderer->viewportX << 12);
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int32_t v1y = (-v1->vy + v1->vw) * (int64_t) (renderer->viewportHeight << 12) / (v1->vw * 2) + (renderer->viewportY << 12);
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int32_t v1y = (-v1->vy + v1->vw) * (int64_t) (renderer->viewportHeight << 12) / (v1->vw * 2) + (renderer->viewportY << 12);
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@ -571,6 +516,99 @@ static void DSGXSoftwareRendererSetRAM(struct DSGXRenderer* renderer, struct DSG
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edge->s1 = v0->vs;
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edge->s1 = v0->vs;
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edge->t1 = v0->vt;
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edge->t1 = v0->vt;
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}
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}
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edge = DSGXSoftwareEdgeListAppend(&softwareRenderer->activeEdges);
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edge->polyId = polyId;
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v0 = v1;
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v0x = v1x;
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v0y = v1y;
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}
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v1 = &verts[poly->poly->vertIds[0]];
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int32_t v1x = (v1->vx + v1->vw) * (int64_t) (renderer->viewportWidth << 12) / (v1->vw * 2) + (renderer->viewportX << 12);
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int32_t v1y = (-v1->vy + v1->vw) * (int64_t) (renderer->viewportHeight << 12) / (v1->vw * 2) + (renderer->viewportY << 12);
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if (v0y <= v1y) {
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edge->y0 = v0y;
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edge->x0 = v0x;
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edge->z0 = v0->vz;
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edge->w0 = v0->vw;
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_expandColor(v0->color, &edge->cr0, &edge->cg0, &edge->cb0);
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edge->s0 = v0->vs;
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edge->t0 = v0->vt;
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edge->y1 = v1y;
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edge->x1 = v1x;
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edge->z1 = v1->vz;
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edge->w1 = v1->vw;
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_expandColor(v1->color, &edge->cr1, &edge->cg1, &edge->cb1);
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edge->s1 = v1->vs;
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edge->t1 = v1->vt;
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} else {
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edge->y0 = v1y;
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edge->x0 = v1x;
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edge->z0 = v1->vz;
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edge->w0 = v1->vw;
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_expandColor(v1->color, &edge->cr0, &edge->cg0, &edge->cb0);
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edge->s0 = v1->vs;
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edge->t0 = v1->vt;
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edge->y1 = v0y;
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edge->x1 = v0x;
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edge->z1 = v0->vz;
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edge->w1 = v0->vw;
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_expandColor(v0->color, &edge->cr1, &edge->cg1, &edge->cb1);
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edge->s1 = v0->vs;
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edge->t1 = v0->vt;
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}
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}
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static void DSGXSoftwareRendererSetRAM(struct DSGXRenderer* renderer, struct DSGXVertex* verts, struct DSGXPolygon* polys, unsigned polyCount, bool wSort) {
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struct DSGXSoftwareRenderer* softwareRenderer = (struct DSGXSoftwareRenderer*) renderer;
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softwareRenderer->flushPending = true;
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softwareRenderer->wSort = wSort;
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softwareRenderer->verts = verts;
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DSGXSoftwarePolygonListClear(&softwareRenderer->activePolys);
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DSGXSoftwareEdgeListClear(&softwareRenderer->activeEdges);
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unsigned i;
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// Pass 1: Opaque
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for (i = 0; i < polyCount; ++i) {
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struct DSGXSoftwarePolygon* poly = NULL;
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switch (DSGXTexParamsGetFormat(polys[i].texParams)) {
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default:
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if (DSGXPolygonAttrsGetAlpha(polys[i].polyParams) == 0x1F) {
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poly = DSGXSoftwarePolygonListAppend(&softwareRenderer->activePolys);
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break;
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}
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case 1:
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case 6:
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break;
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}
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if (!poly) {
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continue;
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}
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poly->poly = &polys[i];
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_preparePoly(renderer, verts, poly, DSGXSoftwarePolygonListSize(&softwareRenderer->activePolys) - 1);
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}
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// Pass 2: Translucent
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for (i = 0; i < polyCount; ++i) {
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struct DSGXSoftwarePolygon* poly = NULL;
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switch (DSGXTexParamsGetFormat(polys[i].texParams)) {
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default:
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if (DSGXPolygonAttrsGetAlpha(polys[i].polyParams) == 0x1F) {
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break;
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}
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case 1:
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case 6:
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poly = DSGXSoftwarePolygonListAppend(&softwareRenderer->activePolys);
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break;
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}
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if (!poly) {
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continue;
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}
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poly->poly = &polys[i];
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_preparePoly(renderer, verts, poly, DSGXSoftwarePolygonListSize(&softwareRenderer->activePolys) - 1);
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}
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}
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}
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}
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