plugins/gpu_neon/psx_gpu/psx_gpu_4x.c

   1 #define select_enhancement_buf_ptr(psx_gpu, x) \\r
   2   ((psx_gpu)->enhancement_buf_ptr + \\r
   3    ((psx_gpu)->enhancement_buf_by_x16[(x) / 16] << 20))\r
   4 \r
   5 #if !defined(NEON_BUILD) || defined(SIMD_BUILD)\r
   6 \r
   7 #ifndef zip_4x32b\r
   8 \r
   9 #define vector_cast(vec_to, source) source\r
  10 \r
  11 #define zip_4x32b(dest, source_a, source_b) {                                  \\r
  12   u32 _i; for(_i = 0; _i < 4; _i++) {                                          \\r
  13     (dest).e[_i * 2 + 0] = (source_a).e[_i];                                   \\r
  14     (dest).e[_i * 2 + 1] = (source_b).e[_i];                                   \\r
  15   }                                                                            \\r
  16 }\r
  17 \r
  18 #endif\r
  19 \r
  20 void setup_sprite_16bpp_4x(psx_gpu_struct *psx_gpu, s32 x, s32 y, s32 u,\r
  21  s32 v, s32 width, s32 height, u32 color)\r
  22 {\r
  23   u32 left_offset = u & 0x7;\r
  24   u32 width_rounded = width + left_offset + 7;\r
  25 \r
  26   u16 *fb_ptr = psx_gpu->vram_out_ptr + (y * 1024) + (s32)(x - left_offset * 2);\r
  27   u32 right_width = width_rounded & 0x7;\r
  28   u32 block_width = width_rounded / 8;\r
  29   u32 fb_ptr_pitch = (2048 + 16) - (block_width * 16);\r
  30 \r
  31   u32 left_mask_bits = ~(0xFFFF << (left_offset * 2));\r
  32   u32 right_mask_bits = 0xFFFC << (right_width * 2);\r
  33 \r
  34   u32 texture_offset_base = u + (v * 1024);\r
  35   u32 texture_mask =\r
  36    psx_gpu->texture_mask_width | (psx_gpu->texture_mask_height * 1024);\r
  37 \r
  38   u32 blocks_remaining;\r
  39   u32 num_blocks = psx_gpu->num_blocks;\r
  40   block_struct *block = psx_gpu->blocks + num_blocks;\r
  41 \r
  42   u16 *texture_page_ptr = psx_gpu->texture_page_ptr;\r
  43   u16 *texture_block_ptr;\r
  44 \r
  45   texture_offset_base &= ~0x7;\r
  46 \r
  47   sprites_16bpp++;\r
  48 \r
  49   if(block_width == 1)\r
  50   {\r
  51     u32 mask_bits = left_mask_bits | right_mask_bits;\r
  52     u32 mask_bits_a = mask_bits & 0xFF;\r
  53     u32 mask_bits_b = mask_bits >> 8;\r
  54     \r
  55     vec_8x16u texels;\r
  56     vec_8x16u texels_wide;\r
  57 \r
  58     while(height)\r
  59     {\r
  60       num_blocks += 4;\r
  61       sprite_blocks += 4;\r
  62 \r
  63       if(num_blocks > MAX_BLOCKS)\r
  64       {\r
  65         flush_render_block_buffer(psx_gpu);\r
  66         num_blocks = 4;\r
  67         block = psx_gpu->blocks;\r
  68       }\r
  69       \r
  70       texture_block_ptr =\r
  71        texture_page_ptr + (texture_offset_base & texture_mask);\r
  72 \r
  73       //load_128b(texels, texture_block_ptr);\r
  74       texels = *(vec_8x16u *)texture_block_ptr;\r
  75       \r
  76       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.low, texels.low);\r
  77       block->texels = texels_wide;\r
  78       block->draw_mask_bits = mask_bits_a;\r
  79       block->fb_ptr = fb_ptr;          \r
  80       block++;\r
  81       \r
  82       block->texels = texels_wide;\r
  83       block->draw_mask_bits = mask_bits_a;\r
  84       block->fb_ptr = fb_ptr + 1024;          \r
  85       block++;\r
  86       \r
  87       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.high, texels.high);\r
  88       block->texels = texels_wide;\r
  89       block->draw_mask_bits = mask_bits_b;\r
  90       block->fb_ptr = fb_ptr + 8;\r
  91       block++;\r
  92       \r
  93       block->texels = texels_wide;\r
  94       block->draw_mask_bits = mask_bits_b;\r
  95       block->fb_ptr = fb_ptr + 8 + 1024;          \r
  96       block++;      \r
  97 \r
  98       texture_offset_base += 1024;\r
  99       fb_ptr += 2048;\r
 100 \r
 101       height--;\r
 102       psx_gpu->num_blocks = num_blocks;\r
 103     }\r
 104   }\r
 105   else\r
 106   {\r
 107     u32 texture_offset;\r
 108     \r
 109     u32 left_mask_bits_a = left_mask_bits & 0xFF;\r
 110     u32 left_mask_bits_b = left_mask_bits >> 8;\r
 111     u32 right_mask_bits_a = right_mask_bits & 0xFF;\r
 112     u32 right_mask_bits_b = right_mask_bits >> 8;\r
 113     \r
 114     vec_8x16u texels;\r
 115     vec_8x16u texels_wide;    \r
 116 \r
 117     while(height)\r
 118     {\r
 119       blocks_remaining = block_width - 2;\r
 120       num_blocks += block_width * 4;\r
 121       sprite_blocks += block_width * 4;\r
 122 \r
 123       if(num_blocks > MAX_BLOCKS)\r
 124       {\r
 125         flush_render_block_buffer(psx_gpu);\r
 126         num_blocks = block_width * 4;\r
 127         block = psx_gpu->blocks;\r
 128       }\r
 129 \r
 130       texture_offset = texture_offset_base;\r
 131       texture_offset_base += 1024;\r
 132 \r
 133       texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask);\r
 134       \r
 135       //load_128b(texels, texture_block_ptr);\r
 136       texels = *(vec_8x16u *)texture_block_ptr;\r
 137 \r
 138       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.low, texels.low);\r
 139       block->texels = texels_wide;\r
 140       block->draw_mask_bits = left_mask_bits_a;\r
 141       block->fb_ptr = fb_ptr;\r
 142       block++;\r
 143       \r
 144       block->texels = texels_wide;\r
 145       block->draw_mask_bits = left_mask_bits_a;\r
 146       block->fb_ptr = fb_ptr + 1024;\r
 147       block++;      \r
 148 \r
 149       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.high, texels.high);\r
 150       block->texels = texels_wide;\r
 151       block->draw_mask_bits = left_mask_bits_b;\r
 152       block->fb_ptr = fb_ptr + 8;\r
 153       block++;  \r
 154       \r
 155       block->texels = texels_wide;\r
 156       block->draw_mask_bits = left_mask_bits_b;\r
 157       block->fb_ptr = fb_ptr + 8 + 1024;\r
 158       block++;  \r
 159       \r
 160       texture_offset += 8;\r
 161       fb_ptr += 16;\r
 162 \r
 163       while(blocks_remaining)\r
 164       {\r
 165         texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask);\r
 166         //load_128b(texels, texture_block_ptr);\r
 167         texels = *(vec_8x16u *)texture_block_ptr;\r
 168 \r
 169         zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.low, texels.low);\r
 170         block->texels = texels_wide;\r
 171         block->draw_mask_bits = 0;\r
 172         block->fb_ptr = fb_ptr;\r
 173         block++;\r
 174         \r
 175         block->texels = texels_wide;\r
 176         block->draw_mask_bits = 0;\r
 177         block->fb_ptr = fb_ptr + 1024;\r
 178         block++;      \r
 179 \r
 180         zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.high, texels.high);\r
 181         block->texels = texels_wide;\r
 182         block->draw_mask_bits = 0;\r
 183         block->fb_ptr = fb_ptr + 8;\r
 184         block++;\r
 185         \r
 186         block->texels = texels_wide;\r
 187         block->draw_mask_bits = 0;\r
 188         block->fb_ptr = fb_ptr + 8 + 1024;\r
 189         block++;\r
 190         \r
 191         texture_offset += 8;\r
 192         fb_ptr += 16;\r
 193 \r
 194         blocks_remaining--;\r
 195       }\r
 196 \r
 197       texture_block_ptr = texture_page_ptr + (texture_offset & texture_mask);\r
 198       //load_128b(texels, texture_block_ptr);\r
 199       texels = *(vec_8x16u *)texture_block_ptr;\r
 200       \r
 201       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.low, texels.low);\r
 202       block->texels = texels_wide;\r
 203       block->draw_mask_bits = right_mask_bits_a;\r
 204       block->fb_ptr = fb_ptr;\r
 205       block++;\r
 206       \r
 207       block->texels = texels_wide;\r
 208       block->draw_mask_bits = right_mask_bits_a;\r
 209       block->fb_ptr = fb_ptr + 1024;\r
 210       block++;      \r
 211 \r
 212       zip_4x32b(vector_cast(vec_4x32u, texels_wide), texels.high, texels.high);\r
 213       block->texels = texels_wide;\r
 214       block->draw_mask_bits = right_mask_bits_b;\r
 215       block->fb_ptr = fb_ptr + 8;\r
 216       block++;\r
 217 \r
 218       block->texels = texels_wide;\r
 219       block->draw_mask_bits = right_mask_bits_b;\r
 220       block->fb_ptr = fb_ptr + 8 + 1024;      \r
 221       block++;\r
 222 \r
 223       fb_ptr += fb_ptr_pitch;\r
 224 \r
 225       height--;\r
 226       psx_gpu->num_blocks = num_blocks;\r
 227     }\r
 228   }\r
 229 }\r
 230 \r
 231 #endif\r
 232 \r
 233 static void setup_sprite_untextured_4x(psx_gpu_struct *psx_gpu, s32 x, s32 y,\r
 234  s32 u, s32 v, s32 width, s32 height, u32 color)\r
 235 {\r
 236   setup_sprite_untextured(psx_gpu, x, y, u, v, width * 2, height * 2, color);\r
 237 }\r
 238 \r
 239 #define setup_sprite_blocks_switch_textured_4x(texture_mode)                   \\r
 240   setup_sprite_##texture_mode##_4x                                             \\r
 241 \r
 242 #define setup_sprite_blocks_switch_untextured_4x(texture_mode)                 \\r
 243   setup_sprite_untextured_4x                                                   \\r
 244 \r
 245 #define setup_sprite_blocks_switch_4x(texturing, texture_mode)                 \\r
 246   setup_sprite_blocks_switch_##texturing##_4x(texture_mode)                    \\r
 247 \r
 248   \r
 249 #define render_sprite_blocks_switch_block_modulation_4x(texture_mode,          \\r
 250  blend_mode, mask_evaluate, shading, dithering, texturing, blending,           \\r
 251  modulation)                                                                   \\r
 252 {                                                                              \\r
 253   setup_sprite_blocks_switch_4x(texturing, texture_mode),                      \\r
 254   texture_sprite_blocks_switch_##texturing(texture_mode),                      \\r
 255   shade_blocks_switch(unshaded, texturing, modulation, undithered, blending,   \\r
 256    mask_evaluate),                                                             \\r
 257   blend_blocks_switch(texturing, blending, blend_mode, mask_evaluate)          \\r
 258 }                                                                              \\r
 259 \r
 260 #define render_sprite_blocks_switch_block_blending_4x(texture_mode,            \\r
 261  blend_mode, mask_evaluate, shading, dithering, texturing, blending)           \\r
 262   render_sprite_blocks_switch_block_modulation_4x(texture_mode, blend_mode,    \\r
 263    mask_evaluate, shading, dithering, texturing, blending, modulated),         \\r
 264   render_sprite_blocks_switch_block_modulation_4x(texture_mode, blend_mode,    \\r
 265    mask_evaluate, shading, dithering, texturing, blending, unmodulated)        \\r
 266 \r
 267 #define render_sprite_blocks_switch_block_texturing_4x(texture_mode,           \\r
 268  blend_mode, mask_evaluate, shading, dithering, texturing)                     \\r
 269   render_sprite_blocks_switch_block_blending_4x(texture_mode, blend_mode,      \\r
 270    mask_evaluate, shading, dithering, texturing, unblended),                   \\r
 271   render_sprite_blocks_switch_block_blending_4x(texture_mode, blend_mode,      \\r
 272    mask_evaluate, shading, dithering, texturing, blended)                      \\r
 273 \r
 274 #define render_sprite_blocks_switch_block_dithering_4x(texture_mode,           \\r
 275  blend_mode, mask_evaluate, shading, dithering)                                \\r
 276   render_sprite_blocks_switch_block_texturing_4x(texture_mode, blend_mode,     \\r
 277    mask_evaluate, shading, dithering, untextured),                             \\r
 278   render_sprite_blocks_switch_block_texturing_4x(texture_mode, blend_mode,     \\r
 279    mask_evaluate, shading, dithering, textured)                                \\r
 280 \r
 281 #define render_sprite_blocks_switch_block_shading_4x(texture_mode, blend_mode, \\r
 282  mask_evaluate, shading)                                                       \\r
 283   render_sprite_blocks_switch_block_dithering_4x(texture_mode, blend_mode,     \\r
 284    mask_evaluate, shading, undithered),                                        \\r
 285   render_sprite_blocks_switch_block_dithering_4x(texture_mode, blend_mode,     \\r
 286    mask_evaluate, shading, dithered)                                           \\r
 287 \r
 288 #define render_sprite_blocks_switch_block_mask_evaluate_4x(texture_mode,       \\r
 289  blend_mode, mask_evaluate)                                                    \\r
 290   render_sprite_blocks_switch_block_shading_4x(texture_mode, blend_mode,       \\r
 291    mask_evaluate, unshaded),                                                   \\r
 292   render_sprite_blocks_switch_block_shading_4x(texture_mode, blend_mode,       \\r
 293    mask_evaluate, shaded)                                                      \\r
 294 \r
 295 #define render_sprite_blocks_switch_block_blend_mode_4x(texture_mode,          \\r
 296  blend_mode)                                                                   \\r
 297   render_sprite_blocks_switch_block_mask_evaluate_4x(texture_mode, blend_mode, \\r
 298    off),                                                                       \\r
 299   render_sprite_blocks_switch_block_mask_evaluate_4x(texture_mode, blend_mode, \\r
 300    on)                                                                         \\r
 301 \r
 302 #define render_sprite_blocks_switch_block_texture_mode_4x(texture_mode)        \\r
 303   render_sprite_blocks_switch_block_blend_mode_4x(texture_mode, average),      \\r
 304   render_sprite_blocks_switch_block_blend_mode_4x(texture_mode, add),          \\r
 305   render_sprite_blocks_switch_block_blend_mode_4x(texture_mode, subtract),     \\r
 306   render_sprite_blocks_switch_block_blend_mode_4x(texture_mode, add_fourth)    \\r
 307 \r
 308 #define render_sprite_blocks_switch_block_4x()                                 \\r
 309   render_sprite_blocks_switch_block_texture_mode_4x(4bpp),                     \\r
 310   render_sprite_blocks_switch_block_texture_mode_4x(8bpp),                     \\r
 311   render_sprite_blocks_switch_block_texture_mode_4x(16bpp),                    \\r
 312   render_sprite_blocks_switch_block_texture_mode_4x(16bpp)                     \\r
 313 \r
 314 \r
 315 render_block_handler_struct render_sprite_block_handlers_4x[] =\r
 316 {\r
 317   render_sprite_blocks_switch_block_4x()\r
 318 };\r
 319 \r
 320 \r
 321 void render_sprite_4x(psx_gpu_struct *psx_gpu, s32 x, s32 y, u32 u, u32 v,\r
 322  s32 width, s32 height, u32 flags, u32 color)\r
 323 {\r
 324   s32 x_right = x + width - 1;\r
 325   s32 y_bottom = y + height - 1;\r
 326 \r
 327 #ifdef PROFILE\r
 328   sprites++;\r
 329 #endif\r
 330 \r
 331   if(x < psx_gpu->viewport_start_x)\r
 332   {\r
 333     u32 clip = psx_gpu->viewport_start_x - x;\r
 334     x += clip;\r
 335     u += clip;\r
 336     width -= clip;\r
 337   }\r
 338 \r
 339   if(y < psx_gpu->viewport_start_y)\r
 340   {\r
 341     s32 clip = psx_gpu->viewport_start_y - y;\r
 342     y += clip;\r
 343     v += clip;\r
 344     height -= clip;\r
 345   }\r
 346 \r
 347   if(x_right > psx_gpu->viewport_end_x)\r
 348     width -= x_right - psx_gpu->viewport_end_x;\r
 349 \r
 350   if(y_bottom > psx_gpu->viewport_end_y)\r
 351     height -= y_bottom - psx_gpu->viewport_end_y;\r
 352 \r
 353   if((width <= 0) || (height <= 0))\r
 354     return;\r
 355 \r
 356   psx_gpu->vram_out_ptr = select_enhancement_buf_ptr(psx_gpu, x);\r
 357 \r
 358   x *= 2;\r
 359   y *= 2;\r
 360 \r
 361 #ifdef PROFILE\r
 362   span_pixels += width * height;\r
 363   spans += height;\r
 364 #endif\r
 365 \r
 366   u32 render_state = flags &\r
 367    (RENDER_FLAGS_MODULATE_TEXELS | RENDER_FLAGS_BLEND |\r
 368    RENDER_FLAGS_TEXTURE_MAP);\r
 369   render_state |=\r
 370    (psx_gpu->render_state_base & ~RENDER_STATE_DITHER);\r
 371 \r
 372   if((psx_gpu->render_state != render_state) ||\r
 373    (psx_gpu->primitive_type != PRIMITIVE_TYPE_SPRITE))\r
 374   {\r
 375     psx_gpu->render_state = render_state;\r
 376     flush_render_block_buffer(psx_gpu);\r
 377 #ifdef PROFILE\r
 378     state_changes++;\r
 379 #endif\r
 380   }\r
 381 \r
 382   psx_gpu->primitive_type = PRIMITIVE_TYPE_SPRITE;\r
 383 \r
 384   color &= 0xFFFFFF;\r
 385 \r
 386   if(psx_gpu->triangle_color != color)\r
 387   {\r
 388     flush_render_block_buffer(psx_gpu);\r
 389     psx_gpu->triangle_color = color;\r
 390   }\r
 391 \r
 392   if(color == 0x808080)\r
 393     render_state |= RENDER_FLAGS_MODULATE_TEXELS;\r
 394 \r
 395   render_block_handler_struct *render_block_handler =\r
 396    &(render_sprite_block_handlers_4x[render_state]);\r
 397   psx_gpu->render_block_handler = render_block_handler;\r
 398 \r
 399   ((setup_sprite_function_type *)render_block_handler->setup_blocks)\r
 400    (psx_gpu, x, y, u, v, width, height, color);\r
 401 }\r
 402 \r