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