return mask;
}
+void update_texture_cache_region(psx_gpu_struct *psx_gpu, u32 x1, u32 y1,
+ u32 x2, u32 y2)
+{
+ u32 mask = texture_region_mask(x1, y1, x2, y2);
+ u32 texture_page;
+ u8 *texture_page_ptr;
+ u16 *vram_ptr;
+ u32 texel_block;
+ u32 sub_x, sub_y;
+
+ psx_gpu->dirty_textures_8bpp_mask |= mask;
+ psx_gpu->dirty_textures_8bpp_alternate_mask |= mask;
+
+ if ((psx_gpu->dirty_textures_4bpp_mask & mask) == 0 &&
+ (x1 & 3) == 0 && (y1 & 15) == 0 && x2 - x1 < 4 && y2 - y1 < 16)
+ {
+ texture_page = ((x1 / 64) & 15) + (y1 / 256) * 16;
+ texture_page_ptr = psx_gpu->texture_4bpp_cache[texture_page];
+ texture_page_ptr += (x1 / 4 & 15) * 16*16 + (y1 / 16 & 15) * 16*16*16;
+ vram_ptr = psx_gpu->vram_ptr + x1 + y1 * 1024;
+ sub_x = 4;
+ sub_y = 16;
+
+ while(sub_y)
+ {
+ while(sub_x)
+ {
+ texel_block = *vram_ptr;
+
+ texture_page_ptr[0] = texel_block & 0xF;
+ texture_page_ptr[1] = (texel_block >> 4) & 0xF;
+ texture_page_ptr[2] = (texel_block >> 8) & 0xF;
+ texture_page_ptr[3] = texel_block >> 12;
+
+ vram_ptr++;
+ texture_page_ptr += 4;
+
+ sub_x--;
+ }
+
+ vram_ptr -= 4;
+ sub_x = 4;
+
+ sub_y--;
+ vram_ptr += 1024;
+ }
+ }
+ else
+ {
+ psx_gpu->dirty_textures_4bpp_mask |= mask;
+ }
+}
void update_texture_8bpp_cache_slice(psx_gpu_struct *psx_gpu,
u32 texture_page);
void flush_render_block_buffer(psx_gpu_struct *psx_gpu)
{
+ if((psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED) &&
+ (psx_gpu->primitive_type == PRIMITIVE_TYPE_SPRITE))
+ {
+ u32 num_blocks_dest = 0;
+ block_struct *block_src = psx_gpu->blocks;
+ block_struct *block_dest = psx_gpu->blocks;
+
+ u16 *vram_ptr = psx_gpu->vram_ptr;
+ u32 i;
+
+ if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+ {
+ for(i = 0; i < psx_gpu->num_blocks; i++)
+ {
+ u32 fb_offset = (u32)((u8 *)block_src->fb_ptr - (u8 *)vram_ptr);
+ if(fb_offset & (1 << 11))
+ {
+ *block_dest = *block_src;
+ num_blocks_dest++;
+ block_dest++;
+ }
+ block_src++;
+ }
+ }
+ else
+ {
+ for(i = 0; i < psx_gpu->num_blocks; i++)
+ {
+ u32 fb_offset = (u32)((u8 *)block_src->fb_ptr - (u8 *)vram_ptr);
+ if((fb_offset & (1 << 11)) == 0)
+ {
+ *block_dest = *block_src;
+ num_blocks_dest++;
+ block_dest++;
+ }
+ block_src++;
+ }
+ }
+
+ psx_gpu->num_blocks = num_blocks_dest;
+ }
+
if(psx_gpu->num_blocks)
{
render_block_handler_struct *render_block_handler =
\
dup_2x32b(edge_shifts, edge_shift); \
sub_2x32b(heights_b, heights, c_0x01); \
- shr_2x32b(height_reciprocals, edge_shifts, 12); \
+ shr_2x32b(height_reciprocals, edge_shifts, 10); \
\
mla_2x32b(heights_b, x_starts, heights); \
bic_immediate_4x16b(vector_cast(vec_4x16u, edge_shifts), 0xE0); \
sub_2x32b(widths, x_ends, x_starts); \
width_alt = x_c - start_c; \
\
- shr_2x32b(height_reciprocals, edge_shifts, 12); \
- height_reciprocal_alt = edge_shift_alt >> 12; \
+ shr_2x32b(height_reciprocals, edge_shifts, 10); \
+ height_reciprocal_alt = edge_shift_alt >> 10; \
\
bic_immediate_4x16b(vector_cast(vec_4x16u, edge_shifts), 0xE0); \
edge_shift_alt &= 0x1F; \
vertex_swap(a, b);
}
- if((c->x - a->x) >= 1024)
+ if((c->x - psx_gpu->offset_x) >= 1024 || (c->x - a->x) >= 1024)
{
#ifdef PROFILE
trivial_rejects++;
spans += psx_gpu->num_spans;
#endif
+ if(psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED)
+ {
+ u32 i;
+
+ if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+ {
+ for(i = 0; i < psx_gpu->num_spans; i++)
+ {
+ if((psx_gpu->span_edge_data[i].y & 1) == 0)
+ psx_gpu->span_edge_data[i].num_blocks = 0;
+ }
+ }
+ else
+ {
+ for(i = 0; i < psx_gpu->num_spans; i++)
+ {
+ if(psx_gpu->span_edge_data[i].y & 1)
+ psx_gpu->span_edge_data[i].num_blocks = 0;
+ }
+ }
+ }
+
u32 render_state = flags &
(RENDER_FLAGS_MODULATE_TEXELS | RENDER_FLAGS_BLEND |
RENDER_FLAGS_TEXTURE_MAP | RENDER_FLAGS_SHADE);
{
shift = __builtin_clz(height);
height_normalized = height << shift;
- height_reciprocal = ((1ULL << 50) + (height_normalized - 1)) /
+ height_reciprocal = ((1ULL << 52) + (height_normalized - 1)) /
height_normalized;
- shift = 32 - (50 - shift);
+ shift = 32 - (52 - shift);
- reciprocal_table[height] = (height_reciprocal << 12) | shift;
+ reciprocal_table[height] = (height_reciprocal << 10) | shift;
}
}
psx_gpu->texture_mask_width = 0xFF;
psx_gpu->texture_mask_height = 0xFF;
+ psx_gpu->interlace_mode = 0;
+
memset(psx_gpu->vram_ptr, 0, sizeof(u16) * 1024 * 512);
initialize_reciprocal_table();