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| author | twinaphex | 2014-12-11 20:27:58 +0100 |
|---|---|---|
| committer | twinaphex | 2014-12-11 20:27:58 +0100 |
| commit | 36c98a78721032093f38baacbdcd8b37c55e251d (patch) | |
| tree | 10241c324e7aea38a1d22606a853703a73e508cd /video.c | |
| parent | 8d8bb64ef6b195382a157e405a8d39669540ce50 (diff) | |
| download | picogpsp-36c98a78721032093f38baacbdcd8b37c55e251d.tar.gz picogpsp-36c98a78721032093f38baacbdcd8b37c55e251d.tar.bz2 picogpsp-36c98a78721032093f38baacbdcd8b37c55e251d.zip | |
video.c - micro-opts
Diffstat (limited to 'video.c')
| -rw-r--r-- | video.c | 53 |
1 files changed, 14 insertions, 39 deletions
@@ -279,7 +279,6 @@ static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline { \ current_pixels = *((u32 *)(tile_ptr + 4)) >> \ ((partial_tile_offset - 4) * 8); \ - partial_tile_8bpp(combine_op, alpha_op); \ } \ else \ { \ @@ -291,13 +290,9 @@ static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline partial_tile_8bpp(combine_op, alpha_op); \ partial_tile_run = old_run - partial_tile_run; \ current_pixels = *((u32 *)(tile_ptr + 4)); \ - partial_tile_8bpp(combine_op, alpha_op); \ - } \ - else \ - { \ - partial_tile_8bpp(combine_op, alpha_op); \ } \ } \ + partial_tile_8bpp(combine_op, alpha_op); \ // Draws 8bpp tiles clipped against the right side of the screen, @@ -355,10 +350,7 @@ static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline #define partial_tile_mid_flip_8bpp(combine_op, alpha_op) \ if(partial_tile_offset >= 4) \ - { \ current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \ - partial_tile_flip_8bpp(combine_op, alpha_op); \ - } \ else \ { \ current_pixels = *((u32 *)(tile_ptr + 4)) << \ @@ -371,13 +363,9 @@ static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline partial_tile_flip_8bpp(combine_op, alpha_op); \ partial_tile_run = old_run - partial_tile_run; \ current_pixels = *((u32 *)(tile_ptr)); \ - partial_tile_flip_8bpp(combine_op, alpha_op); \ - } \ - else \ - { \ - partial_tile_flip_8bpp(combine_op, alpha_op); \ } \ } \ + partial_tile_flip_8bpp(combine_op, alpha_op); \ #define partial_tile_left_flip_8bpp(combine_op, alpha_op) \ if(partial_tile_run >= 4) \ @@ -1329,33 +1317,27 @@ render_scanline_affine_builder(transparent, alpha); u16 *src_ptr = (u16 *)vram \ #define render_scanline_vram_setup_mode5() \ - u16 *src_ptr; \ + u16 *src_ptr = (u16 *)vram; \ if(io_registers[REG_DISPCNT] & 0x10) \ src_ptr = (u16 *)(vram + 0xA000); \ - else \ - src_ptr = (u16 *)vram \ #ifdef RENDER_COLOR16_NORMAL #define render_scanline_vram_setup_mode4() \ const u32 pixel_combine = 0; \ - u8 *src_ptr; \ + u8 *src_ptr = vram; \ if(io_registers[REG_DISPCNT] & 0x10) \ - src_ptr = vram + 0xA000; \ - else \ - src_ptr = vram \ + src_ptr += vram + 0xA000; \ #else #define render_scanline_vram_setup_mode4() \ u16 *palette = palette_ram_converted; \ - u8 *src_ptr; \ + u8 *src_ptr = vram; \ if(io_registers[REG_DISPCNT] & 0x10) \ src_ptr = vram + 0xA000; \ - else \ - src_ptr = vram \ #endif @@ -1607,15 +1589,12 @@ static const bitmap_layer_render_struct bitmap_mode_renderers[3] = + ((vertical_offset % 8) * tile_width_##color_depth) \ #define obj_render_scale_pixel_4bpp(combine_op, alpha_op) \ + current_pixel = \ + tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)]; \ if(tile_x & 0x01) \ - { \ - current_pixel = tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] >> 4; \ - } \ + current_pixel >>= 4; \ else \ - { \ - current_pixel = \ - tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] & 0x0F; \ - } \ + current_pixel &= 0x0F; \ \ tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \ @@ -1669,16 +1648,12 @@ static const bitmap_layer_render_struct bitmap_mode_renderers[3] = obj_tile_pitch = 1024 \ #define obj_render_rotate_pixel_4bpp(combine_op, alpha_op) \ + current_pixel = tile_ptr[tile_map_offset + \ +((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)]; \ if(tile_x & 0x01) \ - { \ - current_pixel = tile_ptr[tile_map_offset + \ - ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] >> 4; \ - } \ + current_pixel >>= 4; \ else \ - { \ - current_pixel = tile_ptr[tile_map_offset + \ - ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] & 0x0F; \ - } \ + current_pixel &= 0x0F; \ \ tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \ |