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Diffstat (limited to 'video.c')
-rw-r--r--video.c117
1 files changed, 47 insertions, 70 deletions
diff --git a/video.c b/video.c
index a33accf..bf0c2ab 100644
--- a/video.c
+++ b/video.c
@@ -18,6 +18,7 @@
*/
#include "common.h"
+#define WANT_FONT_BITS
#include "font.h"
#ifdef PSP_BUILD
@@ -129,11 +130,11 @@ const u32 video_scale = 1;
#endif
-void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
- u32 enable_flags, u32 dispcnt, u32 bldcnt, tile_layer_render_struct
+static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
+ u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct
*layer_renderers);
-void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
- u32 enable_flags, u32 dispcnt, u32 bldcnt, bitmap_layer_render_struct
+static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
+ u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct
*layer_renderers);
#define no_op \
@@ -1011,23 +1012,18 @@ void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
-
-// Map widths and heights
-
-u32 map_widths[] = { 256, 512, 256, 512 };
-u32 map_heights[] = { 256, 256, 512, 512 };
+static const u32 map_widths[] = { 256, 512, 256, 512 };
// Build text scanline rendering functions.
#define render_scanline_text_builder(combine_op, alpha_op) \
-void render_scanline_text_##combine_op##_##alpha_op(u32 layer, \
+static void render_scanline_text_##combine_op##_##alpha_op(u32 layer, \
u32 start, u32 end, void *scanline) \
{ \
render_scanline_extra_variables_##combine_op##_##alpha_op(text); \
u32 bg_control = io_registers[REG_BG0CNT + layer]; \
u32 map_size = (bg_control >> 14) & 0x03; \
u32 map_width = map_widths[map_size]; \
- u32 map_height = map_heights[map_size]; \
u32 horizontal_offset = \
(io_registers[REG_BG0HOFS + (layer * 2)] + start) % 512; \
u32 vertical_offset = (io_registers[REG_VCOUNT] + \
@@ -1278,7 +1274,6 @@ void render_scanline_affine_##combine_op##_##alpha_op(u32 layer, \
u32 bg_control = io_registers[REG_BG0CNT + layer]; \
u32 current_pixel; \
s32 source_x, source_y; \
- u32 vcount = io_registers[REG_VCOUNT]; \
u32 pixel_x, pixel_y; \
u32 layer_offset = (layer - 2) * 8; \
s32 dx, dy; \
@@ -1287,7 +1282,7 @@ void render_scanline_affine_##combine_op##_##alpha_op(u32 layer, \
u32 map_pitch = map_size + 4; \
u8 *map_base = vram + (((bg_control >> 8) & 0x1F) * (1024 * 2)); \
u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)); \
- u8 *tile_ptr; \
+ u8 *tile_ptr = NULL; \
u32 map_offset, last_map_offset = (u32)-1; \
u32 i; \
render_scanline_dest_##alpha_op *dest_ptr = \
@@ -1475,13 +1470,11 @@ render_scanline_affine_builder(transparent, alpha);
// Build bitmap scanline rendering functions.
#define render_scanline_bitmap_builder(type, alpha_op, width, height) \
-void render_scanline_bitmap_##type##_##alpha_op(u32 start, u32 end, \
+static void render_scanline_bitmap_##type##_##alpha_op(u32 start, u32 end, \
void *scanline) \
{ \
- u32 bg_control = io_registers[REG_BG2CNT]; \
u32 current_pixel; \
s32 source_x, source_y; \
- u32 vcount = io_registers[REG_VCOUNT]; \
s32 pixel_x, pixel_y; \
\
s32 dx = (s16)io_registers[REG_BG2PA]; \
@@ -1542,7 +1535,7 @@ render_scanline_bitmap_builder(mode5, normal, 160, 128);
// Structs containing functions to render the layers for each mode, for
// each render type.
-tile_layer_render_struct tile_mode_renderers[3][4] =
+static const tile_layer_render_struct tile_mode_renderers[3][4] =
{
{
tile_layer_render_functions(text), tile_layer_render_functions(text),
@@ -1558,7 +1551,7 @@ tile_layer_render_struct tile_mode_renderers[3][4] =
}
};
-bitmap_layer_render_struct bitmap_mode_renderers[3] =
+static const bitmap_layer_render_struct bitmap_mode_renderers[3] =
{
bitmap_layer_render_functions(mode3),
bitmap_layer_render_functions(mode4),
@@ -1567,11 +1560,11 @@ bitmap_layer_render_struct bitmap_mode_renderers[3] =
#define render_scanline_layer_functions_tile() \
- tile_layer_render_struct *layer_renderers = \
+ const tile_layer_render_struct *layer_renderers = \
tile_mode_renderers[dispcnt & 0x07] \
#define render_scanline_layer_functions_bitmap() \
- bitmap_layer_render_struct *layer_renderers = \
+ const bitmap_layer_render_struct *layer_renderers = \
bitmap_mode_renderers + ((dispcnt & 0x07) - 3) \
@@ -1583,8 +1576,8 @@ bitmap_layer_render_struct bitmap_mode_renderers[3] =
+ (tile_size_##color_depth * ((obj_width - 8) / 8)) \
-// Adjust the obj's starting point if it goes too far off the left edge of \
-// the screen. \
+// Adjust the obj's starting point if it goes too far off the left edge of
+// the screen.
#define obj_tile_right_offset_noflip(color_depth) \
tile_ptr += (partial_tile_offset / 8) * tile_size_##color_depth \
@@ -1844,14 +1837,13 @@ bitmap_layer_render_struct bitmap_mode_renderers[3] =
#define obj_render_affine(combine_op, color_depth, alpha_op, map_space) \
{ \
- s16 *params = oam_ram + (((obj_attribute_1 >> 9) & 0x1F) * 16); \
+ s16 *params = (s16 *)oam_ram + (((obj_attribute_1 >> 9) & 0x1F) * 16); \
s32 dx = params[3]; \
s32 dmx = params[7]; \
s32 dy = params[11]; \
s32 dmy = params[15]; \
s32 source_x, source_y; \
s32 tile_x, tile_y; \
- u32 tile_offset; \
u32 tile_map_offset; \
s32 middle_x; \
s32 middle_y; \
@@ -1910,12 +1902,14 @@ bitmap_layer_render_struct bitmap_mode_renderers[3] =
} \
} \
-u32 obj_width_table[] = { 8, 16, 32, 64, 16, 32, 32, 64, 8, 8, 16, 32 };
-u32 obj_height_table[] = { 8, 16, 32, 64, 8, 8, 16, 32, 16, 32, 32, 64 };
+static const u32 obj_width_table[] =
+ { 8, 16, 32, 64, 16, 32, 32, 64, 8, 8, 16, 32 };
+static const u32 obj_height_table[] =
+ { 8, 16, 32, 64, 8, 8, 16, 32, 16, 32, 32, 64 };
-u8 obj_priority_list[5][160][128];
-u32 obj_priority_count[5][160];
-u32 obj_alpha_count[160];
+static u8 obj_priority_list[5][160][128];
+static u32 obj_priority_count[5][160];
+static u32 obj_alpha_count[160];
// Build obj rendering functions
@@ -1934,11 +1928,11 @@ u32 obj_alpha_count[160];
#define render_scanline_obj_extra_variables_color() \
- u32 dest; \
u32 pixel_combine = color_combine_mask(4) | (1 << 8) \
#define render_scanline_obj_extra_variables_alpha_obj(map_space) \
render_scanline_obj_extra_variables_color(); \
+ u32 dest; \
if((pixel_combine & 0x00000200) == 0) \
{ \
render_scanline_obj_color32_##map_space(priority, start, end, scanline); \
@@ -1953,7 +1947,8 @@ u32 obj_alpha_count[160];
#define render_scanline_obj_extra_variables_partial_alpha(map_space) \
render_scanline_obj_extra_variables_color(); \
- u32 base_pixel_combine = pixel_combine \
+ u32 base_pixel_combine = pixel_combine; \
+ u32 dest \
#define render_scanline_obj_extra_variables_copy(type) \
u32 bldcnt = io_registers[REG_BLDCNT]; \
@@ -2063,7 +2058,7 @@ u32 obj_alpha_count[160];
#define render_scanline_obj_builder(combine_op, alpha_op, map_space, \
partial_alpha_op) \
-void render_scanline_obj_##alpha_op##_##map_space(u32 priority, \
+static void render_scanline_obj_##alpha_op##_##map_space(u32 priority, \
u32 start, u32 end, render_scanline_dest_##alpha_op *scanline) \
{ \
render_scanline_obj_extra_variables_##alpha_op(map_space); \
@@ -2127,7 +2122,7 @@ render_scanline_obj_builder(copy, copy_bitmap, 2D, no_partial_alpha);
-void order_obj(u32 video_mode)
+static void order_obj(u32 video_mode)
{
s32 obj_num, priority, row;
s32 obj_x, obj_y;
@@ -2135,14 +2130,8 @@ void order_obj(u32 video_mode)
s32 obj_width, obj_height;
u32 obj_priority;
u32 obj_attribute_0, obj_attribute_1, obj_attribute_2;
- s32 vcount = io_registers[REG_VCOUNT];
- u32 partial_tile_run, partial_tile_offset;
- u32 pixel_run;
u32 current_count;
u16 *oam_ptr = oam_ram + 508;
- u16 *dest_ptr;
- u8 *tile_base = vram + 0x10000;
- u8 *tile_ptr;
for(priority = 0; priority < 5; priority++)
{
@@ -2234,7 +2223,7 @@ void order_obj(u32 video_mode)
u32 layer_order[16];
u32 layer_count;
-u32 order_layers(u32 layer_flags)
+static void order_layers(u32 layer_flags)
{
s32 priority, layer_number;
layer_count = 0;
@@ -2279,7 +2268,7 @@ u32 order_layers(u32 layer_flags)
#define fill_line_color_color32() \
#define fill_line_builder(type) \
-void fill_line_##type(u16 color, render_scanline_dest_##type *dest_ptr, \
+static void fill_line_##type(u16 color, render_scanline_dest_##type *dest_ptr,\
u32 start, u32 end) \
{ \
fill_line_color_##type(); \
@@ -2479,7 +2468,7 @@ void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
// Blend scanline with white.
-void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr,
+static void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr,
u32 start, u32 end)
{
u32 pixel_top;
@@ -2495,7 +2484,7 @@ void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr,
// Blend scanline with black.
-void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr,
+static void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr,
u32 start, u32 end)
{
u32 pixel_top;
@@ -2517,7 +2506,7 @@ void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr,
// Expand scanline such that if both top and bottom pass it's alpha,
// if only top passes it's as specified, and if neither pass it's normal.
-void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
+static void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
u32 start, u32 end)
{
s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F);
@@ -2541,7 +2530,7 @@ void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
}
-void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
+static void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
u32 start, u32 end)
{
s32 blend = io_registers[REG_BLDY] & 0x1F;
@@ -2776,7 +2765,7 @@ void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
// Renders an entire scanline from 0 to 240, based on current color mode.
-void render_scanline_tile(u16 *scanline, u32 dispcnt)
+static void render_scanline_tile(u16 *scanline, u32 dispcnt)
{
u32 current_layer;
u32 layer_order_pos;
@@ -2787,9 +2776,8 @@ void render_scanline_tile(u16 *scanline, u32 dispcnt)
render_condition_alpha, render_condition_fade, 0, 240);
}
-void render_scanline_bitmap(u16 *scanline, u32 dispcnt)
+static void render_scanline_bitmap(u16 *scanline, u32 dispcnt)
{
- u32 bldcnt = io_registers[REG_BLDCNT];
render_scanline_layer_functions_bitmap();
u32 current_layer;
u32 layer_order_pos;
@@ -2908,8 +2896,8 @@ void render_scanline_bitmap(u16 *scanline, u32 dispcnt)
// Render all of the BG and OBJ in a tiled scanline from start to end ONLY if
// enable_flag allows that layer/OBJ. Also conditionally render color effects.
-void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
- u32 enable_flags, u32 dispcnt, u32 bldcnt, tile_layer_render_struct
+static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
+ u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct
*layer_renderers)
{
u32 current_layer;
@@ -2925,8 +2913,8 @@ void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
// Render the BG and OBJ in a bitmap scanline from start to end ONLY if
// enable_flag allows that layer/OBJ. Also conditionally render color effects.
-void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
- u32 enable_flags, u32 dispcnt, u32 bldcnt, bitmap_layer_render_struct
+static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
+ u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct
*layer_renderers)
{
u32 current_layer;
@@ -2970,7 +2958,7 @@ void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
#define window_coords(window_number) \
u32 window_##window_number##_x1, window_##window_number##_x2; \
u32 window_##window_number##_y1, window_##window_number##_y2; \
- u32 window_##window_number##_enable; \
+ u32 window_##window_number##_enable = 0; \
window_##window_number##_y1 = \
io_registers[REG_WIN##window_number##V] >> 8; \
window_##window_number##_y2 = \
@@ -3181,7 +3169,7 @@ void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
} \
#define render_scanline_window_builder(type) \
-void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
+static void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
{ \
u32 vcount = io_registers[REG_VCOUNT]; \
u32 winout = io_registers[REG_WINOUT]; \
@@ -3219,7 +3207,6 @@ void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
/* Just OBJ windows */ \
case 0x04: \
{ \
- u32 window_obj_enable = winout >> 8; \
render_window_clip_obj(type, 0, 240); \
break; \
} \
@@ -3227,7 +3214,6 @@ void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
/* Window 0 and OBJ window */ \
case 0x05: \
{ \
- u32 window_obj_enable = winout >> 8; \
u32 winin = io_registers[REG_WININ]; \
window_coords(0); \
render_window_multi(type, 0, obj); \
@@ -3237,7 +3223,6 @@ void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
/* Window 1 and OBJ window */ \
case 0x06: \
{ \
- u32 window_obj_enable = winout >> 8; \
u32 winin = io_registers[REG_WININ]; \
window_coords(1); \
render_window_multi(type, 1, obj); \
@@ -3247,7 +3232,6 @@ void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
/* Window 0, 1, and OBJ window */ \
case 0x07: \
{ \
- u32 window_obj_enable = winout >> 8; \
u32 winin = io_registers[REG_WININ]; \
window_coords(0); \
window_coords(1); \
@@ -3260,7 +3244,7 @@ void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
render_scanline_window_builder(tile);
render_scanline_window_builder(bitmap);
-u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 };
+static const u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 };
u32 small_resolution_width = 240;
u32 small_resolution_height = 160;
@@ -3270,11 +3254,9 @@ void update_scanline()
{
u32 pitch = get_screen_pitch();
u32 dispcnt = io_registers[REG_DISPCNT];
- u32 display_flags = (dispcnt >> 8) & 0x1F;
u32 vcount = io_registers[REG_VCOUNT];
u16 *screen_offset = get_screen_pixels() + (vcount * pitch);
u32 video_mode = dispcnt & 0x07;
- u32 current_layer;
// If OAM has been modified since the last scanline has been updated then
// reorder and reprofile the OBJ lists.
@@ -3383,6 +3365,8 @@ void flip_screen()
{
switch(screen_scale)
{
+ case unscaled:
+ break;
case scaled_aspect:
upscale_aspect(gpsp_gp2x_screen, screen_pixels);
break;
@@ -3914,15 +3898,8 @@ void set_gba_resolution(video_scale_type scale)
if(screen_scale != scale)
{
screen_scale = scale;
- switch(scale)
- {
- case unscaled:
- case scaled_aspect:
- case fullscreen:
- small_resolution_width = 240 * video_scale;
- small_resolution_height = 160 * video_scale;
- break;
- }
+ small_resolution_width = 240 * video_scale;
+ small_resolution_height = 160 * video_scale;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 14:11:25 +0000