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 =
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);
if((width == 0) || (height == 0))
return;
+ flush_render_block_buffer(psx_gpu);
invalidate_texture_cache_region(psx_gpu, x, y, x + width - 1, y + height - 1);
-#ifndef NEON_BUILD
u32 r = color & 0xFF;
u32 g = (color >> 8) & 0xFF;
u32 b = (color >> 16) & 0xFF;
- u32 color_16bpp = (r >> 3) | ((g >> 3) << 5) | ((b >> 3) << 10);
+ u32 color_16bpp = (r >> 3) | ((g >> 3) << 5) | ((b >> 3) << 10) |
+ psx_gpu->mask_msb;
+ u32 color_32bpp = color_16bpp | (color_16bpp << 16);
- u16 *vram_ptr = psx_gpu->vram_ptr + x + (y * 1024);
- u32 draw_x, draw_y;
+ u32 *vram_ptr = (u32 *)(psx_gpu->vram_ptr + x + (y * 1024));
- for(draw_y = 0; draw_y < height; draw_y++)
+ u32 pitch = 512 - (width / 2);
+ u32 num_width;
+
+ if(psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED)
{
- for(draw_x = 0; draw_x < width; draw_x++)
+ pitch += 512;
+ height /= 2;
+
+ if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+ vram_ptr += 512;
+ }
+
+ while(height)
+ {
+ num_width = width;
+ while(num_width)
{
- vram_ptr[draw_x] = color_16bpp;
+ vram_ptr[0] = color_32bpp;
+ vram_ptr[1] = color_32bpp;
+ vram_ptr[2] = color_32bpp;
+ vram_ptr[3] = color_32bpp;
+ vram_ptr[4] = color_32bpp;
+ vram_ptr[5] = color_32bpp;
+ vram_ptr[6] = color_32bpp;
+ vram_ptr[7] = color_32bpp;
+
+ vram_ptr += 8;
+ num_width -= 16;
}
- vram_ptr += 1024;
+ vram_ptr += pitch;
+ height--;
}
-#else
- void render_block_fill_body(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y,
- u32 width, u32 height);
-
- render_block_fill_body(psx_gpu, color, x, y, width, height);
-#endif
}
void render_block_copy(psx_gpu_struct *psx_gpu, u16 *source, u32 x, u32 y,
{
u16 *vram_ptr = psx_gpu->vram_ptr + x + (y * 1024);
u32 draw_x, draw_y;
+ u32 mask_msb = psx_gpu->mask_msb;
if((width == 0) || (height == 0))
return;
+ flush_render_block_buffer(psx_gpu);
invalidate_texture_cache_region(psx_gpu, x, y, x + width - 1, y + height - 1);
for(draw_y = 0; draw_y < height; draw_y++)
{
for(draw_x = 0; draw_x < width; draw_x++)
{
- vram_ptr[draw_x] = source[draw_x];
+ vram_ptr[draw_x] = source[draw_x] | mask_msb;
}
source += pitch;
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();