#include "common.h"
+#ifndef command_lengths
const u8 command_lengths[256] =
{
0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00
5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30
2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50
- 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, // 60
+ 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, // 60
1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70
3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0
};
+#endif
void update_texture_ptr(psx_gpu_struct *psx_gpu)
{
get_vertex_data_xy(vertex_number, offset16); \
set_vertex_color_constant(vertex_number, color) \
+#ifndef SET_Ex
+#define SET_Ex(r, v)
+#endif
+
vertex_struct vertexes[4] __attribute__((aligned(32)));
-void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
+u32 gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size, u32 *last_command)
{
- u32 current_command, command_length;
-
+ u32 current_command = 0, command_length;
+
+ u32 *list_start = list;
u32 *list_end = list + (size / 4);
for(; list < list_end; list += 1 + command_length)
s16 *list_s16 = (void *)list;
current_command = *list >> 24;
command_length = command_lengths[current_command];
-
+ if (list + 1 + command_length > list_end) {
+ current_command = (u32)-1;
+ break;
+ }
+
switch(current_command)
{
case 0x00:
break;
case 0x02:
- render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2] & 0x3FF,
- list_s16[3] & 0x1FF, list_s16[4] & 0x3FF, list_s16[5] & 0x1FF);
+ {
+ u32 x = list_s16[2] & 0x3FF;
+ u32 y = list_s16[3] & 0x1FF;
+ u32 width = list_s16[4] & 0x3FF;
+ u32 height = list_s16[5] & 0x1FF;
+ u32 color = list[0] & 0xFFFFFF;
+
+ x &= ~0xF;
+ width = ((width + 0xF) & ~0xF);
+
+ if((x + width) > 1024)
+ {
+ u32 width_a = 1024 - x;
+ u32 width_b = width - width_a;
+
+ if((y + height) > 512)
+ {
+ u32 height_a = 512 - y;
+ u32 height_b = height - height_a;
+
+ render_block_fill(psx_gpu, color, x, y, width_a, height_a);
+ render_block_fill(psx_gpu, color, 0, y, width_b, height_a);
+ render_block_fill(psx_gpu, color, x, 0, width_a, height_b);
+ render_block_fill(psx_gpu, color, 0, 0, width_b, height_b);
+ }
+ else
+ {
+ render_block_fill(psx_gpu, color, x, y, width_a, height);
+ render_block_fill(psx_gpu, color, 0, y, width_b, height);
+ }
+ }
+ else
+ {
+ if((y + height) > 512)
+ {
+ u32 height_a = 512 - y;
+ u32 height_b = height - height_a;
+
+ render_block_fill(psx_gpu, color, x, y, width, height_a);
+ render_block_fill(psx_gpu, color, x, 0, width, height_b);
+ }
+ else
+ {
+ render_block_fill(psx_gpu, color, x, y, width, height);
+ }
+ }
break;
+ }
case 0x20 ... 0x23:
{
get_vertex_data_xy(0, 2);
get_vertex_data_xy(1, 4);
get_vertex_data_xy(2, 6);
-
+
render_triangle(psx_gpu, vertexes, current_command);
break;
}
vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
+ xy = *list_position;
while(1)
{
- xy = *list_position;
- if(xy == 0x55555555)
- break;
-
vertexes[0] = vertexes[1];
vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
+ render_line(psx_gpu, vertexes, current_command, list[0]);
+
list_position++;
num_vertexes++;
- render_line(psx_gpu, vertexes, current_command, list[0]);
- }
+ if(list_position >= list_end)
+ break;
- if(num_vertexes > 2)
- command_length += (num_vertexes - 2);
+ xy = *list_position;
+ if((xy & 0xF000F000) == 0x50005000)
+ break;
+ }
- break;
+ command_length += (num_vertexes - 2);
+ break;
}
case 0x50 ... 0x57:
vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
+ color = list_position[0];
while(1)
{
- color = list_position[0];
- if(color == 0x55555555)
- break;
-
xy = list_position[1];
vertexes[0] = vertexes[1];
vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
+ render_line(psx_gpu, vertexes, current_command, 0);
+
list_position += 2;
num_vertexes++;
- render_line(psx_gpu, vertexes, current_command, 0);
- }
+ if(list_position >= list_end)
+ break;
- if(num_vertexes > 2)
- command_length += ((num_vertexes * 2) - 2);
+ color = list_position[0];
+ if((color & 0xF000F000) == 0x50005000)
+ break;
+ }
- break;
+ command_length += ((num_vertexes - 2) * 2);
+ break;
}
case 0x60 ... 0x63:
case 0x80: // vid -> vid
render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
- list_s16[4] & 0x3FF, list_s16[5] & 0x1FF, list_s16[6], list_s16[7]);
+ list_s16[4] & 0x3FF, list_s16[5] & 0x1FF,
+ ((list_s16[6] - 1) & 0x3FF) + 1, ((list_s16[7] - 1) & 0x1FF) + 1);
break;
-
+
+#ifdef PCSX
+ case 0xA0: // sys -> vid
+ case 0xC0: // vid -> sys
+ goto breakloop;
+#else
case 0xA0: // sys -> vid
{
u32 load_x = list_s16[2] & 0x3FF;
u32 load_size = load_width * load_height;
command_length += load_size / 2;
-
+
+ if(load_size & 1)
+ command_length++;
+
render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
load_width, load_height, load_width);
break;
}
-
+
case 0xC0: // vid -> sys
break;
-
+#endif
+
case 0xE1:
set_texture(psx_gpu, list[0] & 0x1FF);
+
if(list[0] & (1 << 9))
psx_gpu->render_state_base |= RENDER_STATE_DITHER;
else
psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
+ SET_Ex(1, list[0]);
break;
case 0xE2:
update_texture_ptr(psx_gpu);
}
+ SET_Ex(2, list[0]);
break;
}
psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
psx_gpu->viewport_end_y);
#endif
+ SET_Ex(3, list[0]);
break;
case 0xE4:
psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
psx_gpu->viewport_end_y);
#endif
+ SET_Ex(4, list[0]);
break;
case 0xE5:
psx_gpu->offset_x = offset_x >> 21;
psx_gpu->offset_y = offset_y >> 21;
+ SET_Ex(5, list[0]);
break;
}
psx_gpu->mask_msb = mask_msb;
}
+ SET_Ex(6, list[0]);
break;
}
break;
}
}
+
+#ifdef PCSX
+breakloop:
+#endif
+ if (last_command != NULL)
+ *last_command = current_command;
+ return list - list_start;
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff