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Saturn: Textured rendering sort of works

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UnknownShadow200 2024-06-23 18:46:35 +10:00
parent c34ceeab92
commit 4b8266ab83
1 changed files with 12 additions and 5 deletions
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17
src/Graphics_Saturn.c
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@ -28,6 +28,7 @@ static int cmdts_count;
static vdp1_vram_partitions_t _vdp1_vram_partitions;
static void* tex_vram_addr;
static void* tex_vram_cur;
static cc_uint32* gourad_base;
static vdp1_cmdt_t* NextPrimitive(void) {
if (cmdts_count >= CMDS_COUNT) Logger_Abort("Too many VDP1 commands");
@ -35,10 +36,12 @@ static vdp1_cmdt_t* NextPrimitive(void) {
}
static const vdp1_cmdt_draw_mode_t color_draw_mode = {
.raw = 0x0000
.cc_mode = VDP1_CMDT_CC_REPLACE,
.color_mode = VDP1_CMDT_CM_RGB_32768
};
static const vdp1_cmdt_draw_mode_t texture_draw_mode = {
.cc_mode = PRIMITIVE_DRAW_MODE_GOURAUD_SHADING
.cc_mode = VDP1_CMDT_CC_GOURAUD,
.color_mode = VDP1_CMDT_CM_RGB_32768
};
static void UpdateVDP1Env(void) {
@ -98,6 +101,7 @@ void Gfx_Create(void) {
tex_vram_addr = _vdp1_vram_partitions.texture_base;
tex_vram_cur = _vdp1_vram_partitions.texture_base;
gourad_base = _vdp1_vram_partitions.gouraud_base;
UpdateVDP1Env();
CalcGouraudColours();
@ -119,7 +123,9 @@ void Gfx_Free(void) {
*---------------------------------------------------------Textures--------------------------------------------------------*
*#########################################################################################################################*/
#define BGRA8_to_SATURN(src) \
((src[2] & 0xF8) >> 3) | ((src[1] & 0xF8) << 2) | ((src[0] & 0xF8) << 7) | ((src[3] & 0x80) << 8)
((src[1] & 0xF8) >> 3) | ((src[2] & 0xF8) << 2) | ((src[3] & 0xF8) << 7) | 0x8000
// ((src[2] & 0xF8) >> 3) | ((src[1] & 0xF8) << 2) | ((src[0] & 0xF8) << 7) | ((src[3] & 0x80) << 8)
typedef struct CCTexture {
int width, height;
@ -133,7 +139,6 @@ static GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8
cc_uint16* tmp = Mem_TryAlloc(bmp->width * bmp->height, 2);
if (!tmp) return NULL;
cc_uintptr addr = tex_vram_addr;
tex->addr = tex_vram_addr;
tex->width = bmp->width;
tex->height = bmp->height;
@ -149,7 +154,6 @@ static GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8
{
cc_uint8* color = (cc_uint8*)&src[x];
dst[x] = BGRA8_to_SATURN(color);
dst[x] = 0xFEDD;
}
}
@ -494,12 +498,15 @@ static void DrawTexturedQuads3D(int verticesCount, int startVertex) {
vdp1_cmdt_color_set(cmd, RGB1555(1, R >> 3, G >> 3, B >> 3));
vdp1_cmdt_draw_mode_set(cmd, color_draw_mode);
vdp1_cmdt_vtx_set(cmd, points);*/
int gIndex = ((R >> 5) << 7) | ((G >> 4) << 3) | (B >> 3);
cmd = NextPrimitive();
vdp1_cmdt_distorted_sprite_set(cmd);
vdp1_cmdt_char_size_set(cmd, 8, 8);
vdp1_cmdt_char_base_set(cmd, (vdp1_vram_t)tex_vram_cur);
vdp1_cmdt_draw_mode_set(cmd, texture_draw_mode);
vdp1_cmdt_gouraud_base_set(cmd, (vdp1_vram_t)&gourad_base[gIndex]);
vdp1_cmdt_vtx_set(cmd, points);
}
}