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#407 32X sprites and UI, use VDP fill for screen cleaning, fps counter

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This commit is contained in:
XProger
2022-02-24 06:02:33 +03:00
parent fe8826d5b8
commit 26c4ed59b3
4 changed files with 216 additions and 39 deletions
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45
src/platform/32x/asm/matrixPush.s
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@@ -1,39 +1,24 @@
.text
.macro COPY_ROW
mov.l @r0+, r1
mov.l @r0+, r2
mov.l @r0+, r3
mov.l @r0+, r4
mov.l r1, @(32, r0)
mov.l r2, @(36, r0)
mov.l r3, @(40, r0)
mov.l r4, @(44, r0)
.endm
.align 4
.global _matrixPush_asm
_matrixPush_asm:
mov.l .var_matrixPtr, r5
mov.l @r5, r0
/* row[0] */
mov.l @r0+, r1
mov.l @r0+, r2
mov.l @r0+, r3
mov.l @r0+, r4
mov.l r1, @(32, r0)
mov.l r2, @(36, r0)
mov.l r3, @(40, r0)
mov.l r4, @(44, r0)
/* row[1] */
mov.l @r0+, r1
mov.l @r0+, r2
mov.l @r0+, r3
mov.l @r0+, r4
mov.l r1, @(32, r0)
mov.l r2, @(36, r0)
mov.l r3, @(40, r0)
mov.l r4, @(44, r0)
/* row[2] */
mov.l @r0+, r1
mov.l @r0+, r2
mov.l @r0+, r3
mov.l @r0+, r4
mov.l r1, @(32, r0)
mov.l r2, @(36, r0)
mov.l r3, @(40, r0)
mov.l r4, @(44, r0)
COPY_ROW /* row[0] */
COPY_ROW /* row[1] */
COPY_ROW /* row[2] */
rts
mov.l r0, @r5

20
src/platform/32x/main.cpp
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@@ -114,12 +114,22 @@ int main()
gameInit(gLevelInfo[gLevelID].name);
int32 lastFrame = (MARS_SYS_COMM12 >> 1) - 1;
int32 fpsCounter = 0;
int32 fpsFrame = MARS_SYS_COMM12;
int32 vsyncRate = (MARS_VDP_DISPMODE & MARS_NTSC_FORMAT) ? 60 : 50;
while (1)
{
int32 frame = MARS_SYS_COMM12;
if (!(MARS_VDP_DISPMODE & MARS_NTSC_FORMAT))
if (frame - fpsFrame >= vsyncRate)
{
fpsFrame += vsyncRate;
fps = fpsCounter;
fpsCounter = 0;
}
if (vsyncRate == 50)
{
frame = frame * 6 / 5; // PAL fix
}
@@ -132,16 +142,18 @@ int main()
continue;
lastFrame = frame;
updateInput();
gameUpdate(delta);
pageWait();
gameRender();
pageFlip();
fpsCounter++;
}
return 0;

183
src/platform/32x/rasterizer.h
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@@ -788,22 +788,197 @@ void rasterizeGTA_c(uint16* pixel, const VertexLink* L, const VertexLink* R)
void rasterizeSprite_c(uint16* pixel, const VertexLink* L, const VertexLink* R)
{
// TODO
R++;
const uint8* ft_lightmap = &gLightmap[L->v.g << 8];
int32 w = R->v.x - L->v.x;
if (w <= 0 || w >= DIV_TABLE_SIZE) return;
int32 h = R->v.y - L->v.y;
if (h <= 0 || h >= DIV_TABLE_SIZE) return;
int32 u = L->t.uv.v;
int32 v = L->t.uv.u;
int32 iw = FixedInvU(w);
int32 ih = FixedInvU(h);
int32 du = R->t.uv.v * iw >> 8;
int32 dv = R->t.uv.u * ih >> 8;
if (L->v.y < 0)
{
pixel -= L->v.y * VRAM_WIDTH;
v -= L->v.y * dv;
h += L->v.y;
}
if (R->v.y > FRAME_HEIGHT)
{
h -= R->v.y - FRAME_HEIGHT;
}
uint8* ptr = (uint8*)pixel;
if (h <= 0) return;
ptr += L->v.x;
if (L->v.x < 0)
{
ptr -= L->v.x;
u -= L->v.x * du;
w += L->v.x;
}
if (R->v.x > FRAME_WIDTH)
{
w -= R->v.x - FRAME_WIDTH;
}
if (w <= 0) return;
for (int32 y = 0; y < h; y++)
{
const uint8* xtile = gTile + (v & 0xFF00);
volatile uint8* xptr = ptr;
int32 xu = u;
int32 width = w;
if (intptr_t(xptr) & 1)
{
uint8 indexB = xtile[xu >> 8];
if (indexB) {
*xptr = ft_lightmap[indexB];
}
xptr++;
xu += du;
}
if (width & 1)
{
width--;
uint8 indexA = xtile[xu >> 8];
if (indexA) {
xptr[width] = ft_lightmap[indexA];
}
}
for (int32 x = 0; x < width / 2; x++)
{
uint8 indexA = xtile[xu >> 8];
xu += du;
uint8 indexB = xtile[xu >> 8];
xu += du;
if (indexA | indexB)
{
indexA = (indexA) ? ft_lightmap[indexA] : xptr[0];
indexB = (indexB) ? ft_lightmap[indexB] : xptr[1];
#ifdef CPU_BIG_ENDIAN
*(uint16*)xptr = indexB | (indexA << 8);
#else
*(uint16*)xptr = indexA | (indexB << 8);
#endif
}
xptr += 2;
}
v += dv;
ptr += FRAME_WIDTH;
}
}
void rasterizeLineH_c(uint16* pixel, const VertexLink* L, const VertexLink* R)
{
// TODO
R++;
int32 x = L->v.x;
int32 index = L->v.g;
int32 width = R->v.x;
volatile uint8* ptr = (uint8*)pixel + x;
if (intptr_t(ptr) & 1)
{
*ptr++ = index;
width--;
}
if (width & 1)
{
width--;
ptr[width] = index;
}
index |= (index << 8);
for (int32 i = 0; i < width / 2; i++)
{
*(uint16*)ptr = index;
ptr += 2;
}
}
void rasterizeLineV_c(uint16* pixel, const VertexLink* L, const VertexLink* R)
{
// TODO
R++;
int32 x = L->v.x;
int32 index = L->v.g;
int32 height = R->v.y;
volatile uint8* ptr = (uint8*)pixel + x;
for (int32 i = 0; i < height; i++)
{
*ptr = index;
ptr += FRAME_WIDTH;
}
}
void rasterizeFillS_c(uint16* pixel, const VertexLink* L, const VertexLink* R)
{
// TODO
R++;
int32 x = L->v.x;
int32 shade = L->v.g;
int32 width = R->v.x;
int32 height = R->v.y;
const uint8* lm = &gLightmap[shade << 8];
for (int32 i = 0; i < height; i++)
{
volatile uint8* ptr = (uint8*)pixel + x;
int32 w = width;
if (intptr_t(ptr) & 1)
{
ptr[0] = lm[ptr[0]];
ptr++;
w--;
}
if (w & 1)
{
w--;
ptr[w] = lm[ptr[w]];
}
for (int32 i = 0; i < w / 2; i++)
{
uint16 p = *(uint16*)ptr;
*(uint16*)ptr = lm[p & 0xFF] | (lm[p >> 8] << 8);
ptr += 2;
}
pixel += FRAME_WIDTH / 2;
}
}
#endif

7
src/platform/32x/render.cpp
View File

@@ -960,7 +960,12 @@ void faceAddMesh(const MeshQuad* quads, const MeshTriangle* triangles, int32 qCo
void clear()
{
dmaFill((void*)fb, 0, FRAME_WIDTH * FRAME_HEIGHT);
MARS_VDP_FILLEN = 0xFF;
for(int32 i = 0x100; i < 0x100 + (FRAME_WIDTH * FRAME_HEIGHT >> 1); i += 0xFF)
{
MARS_VDP_FILADR = i;
MARS_VDP_FILDAT = 0x0000;
}
}
void renderRoom(const Room* room)