[pcsx_rearmed.git] / plugins / gpu_neon / psx_gpu / psx_gpu_parse.c

/*
 * Copyright (C) 2011 Gilead Kutnick "Exophase" <exophase@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#include <stdio.h>

#include "common.h"

const u8 command_lengths[256] =
{
	0,  0,  2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // 00
	0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // 10
	3,  3,  3,  3,  6,  6,  6,  6,  4,  4,  4,  4,  8,  8,  8,  8,   // 20
	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
	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
	2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // a0
	0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // b0
	2,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // c0
	0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   // d0
	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
};

void update_texture_ptr(psx_gpu_struct *psx_gpu)
{
  u8 *texture_base;
  u8 *texture_ptr;

  switch((psx_gpu->render_state_base >> 8) & 0x3)
  {
    default:
    case TEXTURE_MODE_4BPP:
      texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page];

      texture_ptr = texture_base;
      texture_ptr += psx_gpu->texture_window_x & 0xF;
      texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
      texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
      texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
      break;

    case TEXTURE_MODE_8BPP:
      if(psx_gpu->current_texture_page & 0x1)
      {
        texture_base =
         psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1];
      }
      else
      {
        texture_base =
         psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1];
      }
      
      texture_ptr = texture_base;
      texture_ptr += psx_gpu->texture_window_x & 0xF;
      texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
      texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
      texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
      break;

    case TEXTURE_MODE_16BPP:
      texture_base = (u8 *)(psx_gpu->vram_ptr);
      texture_base += (psx_gpu->current_texture_page & 0xF) * 128;
      texture_base += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;

      texture_ptr = texture_base;
      texture_ptr += psx_gpu->texture_window_x * 2;
      texture_ptr += (psx_gpu->texture_window_y) * 2048;
      break;
  }

  psx_gpu->texture_page_base = texture_base;
  psx_gpu->texture_page_ptr = texture_ptr;  
}

void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
{
  if(psx_gpu->texture_settings != texture_settings)
  {
    u32 new_texture_page = texture_settings & 0x1F;
    u32 texture_mode = (texture_settings >> 7) & 0x3;
    u32 render_state_base = psx_gpu->render_state_base;

    flush_render_block_buffer(psx_gpu);

    render_state_base &= ~(0xF << 6);
    render_state_base |= ((texture_settings >> 5) & 0xF) << 6;

    psx_gpu->render_state_base = render_state_base;

    psx_gpu->current_texture_mask = 0x1 << new_texture_page;

    if(texture_mode == TEXTURE_MODE_8BPP)
    {     
      // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it
      // wraps back around to the left edge.
      u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10);
      psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page;

      if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
      {
        u32 dirty_textures_8bpp_alternate_mask =
         psx_gpu->dirty_textures_8bpp_alternate_mask;
        psx_gpu->dirty_textures_8bpp_alternate_mask =
         psx_gpu->dirty_textures_8bpp_mask;
        psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask;
      }

      psx_gpu->last_8bpp_texture_page = new_texture_page;
    }

    psx_gpu->current_texture_page = new_texture_page;
    psx_gpu->texture_settings = texture_settings;

    update_texture_ptr(psx_gpu);
  }
}

void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
{
  if(psx_gpu->clut_settings != clut_settings)
  {
    flush_render_block_buffer(psx_gpu);
    psx_gpu->clut_settings = clut_settings;
    psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16);
  }
}

void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
{
  if(psx_gpu->triangle_color != triangle_color)
  {
    flush_render_block_buffer(psx_gpu);
    psx_gpu->triangle_color = triangle_color;
  }
}

#define sign_extend_12bit(value)                                               \
  (((s32)((value) << 20)) >> 20)                                               \

#define sign_extend_11bit(value)                                               \
  (((s32)((value) << 21)) >> 21)                                               \

#define sign_extend_10bit(value)                                               \
  (((s32)((value) << 22)) >> 22)                                               \


#define get_vertex_data_xy(vertex_number, offset16)                            \
  vertexes[vertex_number].x =                                                  \
   sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x;                  \
  vertexes[vertex_number].y =                                                  \
   sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y;            \

#define get_vertex_data_uv(vertex_number, offset16)                            \
  vertexes[vertex_number].u = list_s16[offset16] & 0xFF;                       \
  vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF                 \

#define get_vertex_data_rgb(vertex_number, offset32)                           \
  vertexes[vertex_number].r = list[offset32] & 0xFF;                           \
  vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF;                    \
  vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF                    \

#define get_vertex_data_xy_uv(vertex_number, offset16)                         \
  get_vertex_data_xy(vertex_number, offset16);                                 \
  get_vertex_data_uv(vertex_number, (offset16) + 2)                            \

#define get_vertex_data_xy_rgb(vertex_number, offset16)                        \
  get_vertex_data_rgb(vertex_number, (offset16) / 2);                          \
  get_vertex_data_xy(vertex_number, (offset16) + 2);                           \

#define get_vertex_data_xy_uv_rgb(vertex_number, offset16)                     \
  get_vertex_data_rgb(vertex_number, (offset16) / 2);                          \
  get_vertex_data_xy(vertex_number, (offset16) + 2);                           \
  get_vertex_data_uv(vertex_number, (offset16) + 4);                           \

#define set_vertex_color_constant(vertex_number, color)                        \
  vertexes[vertex_number].r = color & 0xFF;                                    \
  vertexes[vertex_number].g = (color >> 8) & 0xFF;                             \
  vertexes[vertex_number].b = (color >> 16) & 0xFF                             \

#define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color)        \
  get_vertex_data_xy(vertex_number, offset16);                                 \
  set_vertex_color_constant(vertex_number, color)                              \

vertex_struct vertexes[4] __attribute__((aligned(32)));

void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
{
  u32 current_command, command_length;
  
  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];

  	switch(current_command)
  	{
  		case 0x00:
  			break;
  
  		case 0x02:
      {
        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:
      {
        set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
  
        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;
      }
  
  		case 0x24 ... 0x27:
      {
        set_clut(psx_gpu, list_s16[5]);
        set_texture(psx_gpu, list_s16[9]);
        set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
  
        get_vertex_data_xy_uv(0, 2);
        get_vertex_data_xy_uv(1, 6);
        get_vertex_data_xy_uv(2, 10);
  
        render_triangle(psx_gpu, vertexes, current_command);
  			break;
      }
  
  		case 0x28 ... 0x2B:
      {
        set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
  
        get_vertex_data_xy(0, 2);
        get_vertex_data_xy(1, 4);
        get_vertex_data_xy(2, 6);
        get_vertex_data_xy(3, 8);
  
        render_triangle(psx_gpu, vertexes, current_command);
        render_triangle(psx_gpu, &(vertexes[1]), current_command);
  			break;
      }
  
  		case 0x2C ... 0x2F:
      {
        set_clut(psx_gpu, list_s16[5]);
        set_texture(psx_gpu, list_s16[9]);
        set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
  
        get_vertex_data_xy_uv(0, 2);   
        get_vertex_data_xy_uv(1, 6);   
        get_vertex_data_xy_uv(2, 10);  
        get_vertex_data_xy_uv(3, 14);
  
        render_triangle(psx_gpu, vertexes, current_command);
        render_triangle(psx_gpu, &(vertexes[1]), current_command);
  			break;
      }
  
  		case 0x30 ... 0x33:
      {
        get_vertex_data_xy_rgb(0, 0);
        get_vertex_data_xy_rgb(1, 4);
        get_vertex_data_xy_rgb(2, 8);
  
        render_triangle(psx_gpu, vertexes, current_command);
  			break;
      }
  
  		case 0x34:
  		case 0x35:
  		case 0x36:
  		case 0x37:
      {
        set_clut(psx_gpu, list_s16[5]);
        set_texture(psx_gpu, list_s16[11]);
  
        get_vertex_data_xy_uv_rgb(0, 0);
        get_vertex_data_xy_uv_rgb(1, 6);
        get_vertex_data_xy_uv_rgb(2, 12);

        render_triangle(psx_gpu, vertexes, current_command);
  			break;
      }
  
  		case 0x38:
  		case 0x39:
  		case 0x3A:
  		case 0x3B:
      {
        get_vertex_data_xy_rgb(0, 0);
        get_vertex_data_xy_rgb(1, 4);
        get_vertex_data_xy_rgb(2, 8);
        get_vertex_data_xy_rgb(3, 12);
  
        render_triangle(psx_gpu, vertexes, current_command);
        render_triangle(psx_gpu, &(vertexes[1]), current_command);
  			break;
      }
  
  		case 0x3C:
  		case 0x3D:
  		case 0x3E:
  		case 0x3F:
      {
        set_clut(psx_gpu, list_s16[5]);
        set_texture(psx_gpu, list_s16[11]);
  
        get_vertex_data_xy_uv_rgb(0, 0);
        get_vertex_data_xy_uv_rgb(1, 6);
        get_vertex_data_xy_uv_rgb(2, 12);
        get_vertex_data_xy_uv_rgb(3, 18);
  
        render_triangle(psx_gpu, vertexes, current_command);
        render_triangle(psx_gpu, &(vertexes[1]), current_command);
  			break;
      }
  
  		case 0x40 ... 0x47:
      {
        vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
        vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
        vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
        vertexes[1].y = list_s16[5] + psx_gpu->offset_y;

        render_line(psx_gpu, vertexes, current_command, list[0]);
  			break;
      }
  
  		case 0x48 ... 0x4F:
      {
        u32 num_vertexes = 1;
        u32 *list_position = &(list[2]);
        u32 xy = list[1];

        vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
        vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
      
        while(1)
        {
          xy = *list_position;

          if((xy & 0xF000F000) == 0x50005000)
            break;

          vertexes[0] = vertexes[1];

          vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
          vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;

          list_position++;
          num_vertexes++;

          if(list_position > list_end)
            break;

          render_line(psx_gpu, vertexes, current_command, list[0]);
        }

        if(num_vertexes > 2)
          command_length += (num_vertexes - 2);

  			break;
      }
  
  		case 0x50 ... 0x57:
      {
        vertexes[0].r = list[0] & 0xFF;
        vertexes[0].g = (list[0] >> 8) & 0xFF;
        vertexes[0].b = (list[0] >> 16) & 0xFF;
        vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
        vertexes[0].y = list_s16[3] + psx_gpu->offset_y;

        vertexes[1].r = list[2] & 0xFF;
        vertexes[1].g = (list[2] >> 8) & 0xFF;
        vertexes[1].b = (list[2] >> 16) & 0xFF;
        vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
        vertexes[1].y = list_s16[7] + psx_gpu->offset_y;

        render_line(psx_gpu, vertexes, current_command, 0);
  			break;
      }
 
      case 0x58 ... 0x5F:
      {
        u32 num_vertexes = 1;
        u32 *list_position = &(list[2]);
        u32 color = list[0];
        u32 xy = list[1];

        vertexes[1].r = color & 0xFF;
        vertexes[1].g = (color >> 8) & 0xFF;
        vertexes[1].b = (color >> 16) & 0xFF;
        vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
        vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
      
        while(1)
        {
          color = list_position[0];
          if((color & 0xF000F000) == 0x50005000)
            break;

          xy = list_position[1];

          vertexes[0] = vertexes[1];

          vertexes[1].r = color & 0xFF;
          vertexes[1].g = (color >> 8) & 0xFF;
          vertexes[1].b = (color >> 16) & 0xFF;
          vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
          vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;

          list_position += 2;
          num_vertexes++;

          if(list_position > list_end)
            break;

          render_line(psx_gpu, vertexes, current_command, 0);
        }

        if(num_vertexes > 2)
          command_length += ((num_vertexes * 2) - 2);

  			break;
      }
  
  		case 0x60 ... 0x63:
      {        
        u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
        u32 width = list_s16[4] & 0x3FF;
        u32 height = list_s16[5] & 0x1FF;

        render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
  			break;
      }
  
  		case 0x64 ... 0x67:
      {        
        u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
        u32 uv = list_s16[4];
        u32 width = list_s16[6] & 0x3FF;
        u32 height = list_s16[7] & 0x1FF;

        set_clut(psx_gpu, list_s16[5]);

        render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
         current_command, list[0]);
  			break;
      }
  
  		case 0x68:
  		case 0x69:
  		case 0x6A:
  		case 0x6B:
      {
        s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);

        render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
  			break;
      }
  
  		case 0x70:
  		case 0x71:
  		case 0x72:
  		case 0x73:
      {        
        s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);

        render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
  			break;
      }
  
  		case 0x74:
  		case 0x75:
  		case 0x76:
  		case 0x77:
      {        
        s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
        u32 uv = list_s16[4];

        set_clut(psx_gpu, list_s16[5]);

        render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
         current_command, list[0]);
  			break;
      }
  
  		case 0x78:
  		case 0x79:
  		case 0x7A:
  		case 0x7B:
      {        
        s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);

        render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
  			break;
      }
  
  		case 0x7C:
  		case 0x7D:
  		case 0x7E:
  		case 0x7F:
      {        
        s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
        s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
        u32 uv = list_s16[4];

        set_clut(psx_gpu, list_s16[5]);

        render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
         current_command, list[0]);
  			break;
      }
  
  		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]);
  			break;
  
  		case 0xA0:          //  sys -> vid
      {
        u32 load_x = list_s16[2] & 0x3FF;
        u32 load_y = list_s16[3] & 0x1FF;
        u32 load_width = list_s16[4] & 0x3FF;
        u32 load_height = list_s16[5] & 0x1FF;
        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;
  
  		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;
  			break;
  
  		case 0xE2:
      {
        // TODO: Clean
        u32 texture_window_settings = list[0];
        u32 tmp, x, y, w, h;

        if(texture_window_settings != psx_gpu->texture_window_settings)
        {
          tmp = (texture_window_settings & 0x1F) | 0x20;
          for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);

          tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20;
          for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);

          tmp = 32 - (w >> 3);
          x = ((texture_window_settings >> 10) & tmp) << 3;

          tmp = 32 - (h >> 3);
          y = ((texture_window_settings >> 15) & tmp) << 3;

          flush_render_block_buffer(psx_gpu);
          
          psx_gpu->texture_window_settings = texture_window_settings;
          psx_gpu->texture_window_x = x;
          psx_gpu->texture_window_y = y;
          psx_gpu->texture_mask_width = w - 1;
          psx_gpu->texture_mask_height = h - 1;

          update_texture_ptr(psx_gpu);
        }
        break;
  		}
  
  		case 0xE3:
        psx_gpu->viewport_start_x = list[0] & 0x3FF;
        psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;

#ifdef TEXTURE_CACHE_4BPP
        psx_gpu->viewport_mask =
         texture_region_mask(psx_gpu->viewport_start_x,
         psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
         psx_gpu->viewport_end_y);
#endif
  			break;
  
  		case 0xE4:
        psx_gpu->viewport_end_x = list[0] & 0x3FF;
        psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;

#ifdef TEXTURE_CACHE_4BPP
        psx_gpu->viewport_mask =
         texture_region_mask(psx_gpu->viewport_start_x,
         psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
         psx_gpu->viewport_end_y);
#endif
  			break;
  
  		case 0xE5:
      {
        s32 offset_x = list[0] << 21;
        s32 offset_y = list[0] << 10;
        psx_gpu->offset_x = offset_x >> 21;
        psx_gpu->offset_y = offset_y >> 21; 
  
  			break;
  		}

  		case 0xE6:
      {
        u32 mask_settings = list[0];
        u16 mask_msb = mask_settings << 15;

        if(list[0] & 0x2)
          psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE;
        else
          psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;

        if(mask_msb != psx_gpu->mask_msb)
        {
          flush_render_block_buffer(psx_gpu);
          psx_gpu->mask_msb = mask_msb;
        }

  			break;
      }
  
  		default:
  			break;
  	}
  }
}
Commit	Line	Data
75e28f62 E	1	/*
	2	* Copyright (C) 2011 Gilead Kutnick "Exophase" <exophase@gmail.com>
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License as
	6	* published by the Free Software Foundation; either version 2 of
	7	* the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* General Public License for more details.
	13	*/
	14
	15	#include <stdio.h>
	16
	17	#include "common.h"
	18
	19	const u8 command_lengths[256] =
	20	{
	21	0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00
	22	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10
	23	3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20
	24	5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30
	25	2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40
	26	3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50
	27	2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, // 60
	28	1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70
	29	3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80
	30	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90
	31	2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0
	32	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b0
	33	2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0
	34	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d0
	35	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0
	36	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0
	37	};
	38
	39	void update_texture_ptr(psx_gpu_struct *psx_gpu)
	40	{
3867c6ef	41	u8 *texture_base;
75e28f62 E	42	u8 *texture_ptr;
	43
	44	switch((psx_gpu->render_state_base >> 8) & 0x3)
	45	{
	46	default:
	47	case TEXTURE_MODE_4BPP:
3867c6ef E	48	texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page];
	49
	50	texture_ptr = texture_base;
75e28f62 E	51	texture_ptr += psx_gpu->texture_window_x & 0xF;
	52	texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
	53	texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
	54	texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
75e28f62 E	55	break;
	56
	57	case TEXTURE_MODE_8BPP:
75e28f62 E	58	if(psx_gpu->current_texture_page & 0x1)
75e28f62 E	59	{
3867c6ef	60	texture_base =
75e28f62 E	61	psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1];
	62	}
	63	else
	64	{
3867c6ef	65	texture_base =
75e28f62 E	66	psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1];
	67	}
	68
3867c6ef E	69	texture_ptr = texture_base;
3867c6ef E	70	texture_ptr += psx_gpu->texture_window_x & 0xF;
75e28f62 E	71	texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4;
	72	texture_ptr += (psx_gpu->texture_window_x >> 4) << 8;
	73	texture_ptr += (psx_gpu->texture_window_y >> 4) << 12;
75e28f62 E	74	break;
	75
	76	case TEXTURE_MODE_16BPP:
3867c6ef E	77	texture_base = (u8 *)(psx_gpu->vram_ptr);
	78	texture_base += (psx_gpu->current_texture_page & 0xF) * 128;
	79	texture_base += ((psx_gpu->current_texture_page >> 4) * 256) * 2048;
	80
	81	texture_ptr = texture_base;
75e28f62 E	82	texture_ptr += psx_gpu->texture_window_x * 2;
	83	texture_ptr += (psx_gpu->texture_window_y) * 2048;
	84	break;
	85	}
	86
3867c6ef	87	psx_gpu->texture_page_base = texture_base;
75e28f62 E	88	psx_gpu->texture_page_ptr = texture_ptr;
	89	}
	90
	91	void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
	92	{
	93	if(psx_gpu->texture_settings != texture_settings)
	94	{
	95	u32 new_texture_page = texture_settings & 0x1F;
	96	u32 texture_mode = (texture_settings >> 7) & 0x3;
	97	u32 render_state_base = psx_gpu->render_state_base;
	98
b7ed0632	99	flush_render_block_buffer(psx_gpu);
75e28f62 E	100
	101	render_state_base &= ~(0xF << 6);
	102	render_state_base \|= ((texture_settings >> 5) & 0xF) << 6;
	103
	104	psx_gpu->render_state_base = render_state_base;
	105
	106	psx_gpu->current_texture_mask = 0x1 << new_texture_page;
	107
	108	if(texture_mode == TEXTURE_MODE_8BPP)
	109	{
	110	// In 8bpp mode 256x256 takes up two pages. If it's on the right edge it
	111	// wraps back around to the left edge.
	112	u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) \| (texture_settings & 0x10);
	113	psx_gpu->current_texture_mask \|= 0x1 << adjacent_texture_page;
	114
	115	if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1)
	116	{
	117	u32 dirty_textures_8bpp_alternate_mask =
	118	psx_gpu->dirty_textures_8bpp_alternate_mask;
	119	psx_gpu->dirty_textures_8bpp_alternate_mask =
	120	psx_gpu->dirty_textures_8bpp_mask;
	121	psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask;
	122	}
	123
	124	psx_gpu->last_8bpp_texture_page = new_texture_page;
	125	}
	126
	127	psx_gpu->current_texture_page = new_texture_page;
	128	psx_gpu->texture_settings = texture_settings;
	129
	130	update_texture_ptr(psx_gpu);
	131	}
	132	}
	133
	134	void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings)
	135	{
	136	if(psx_gpu->clut_settings != clut_settings)
	137	{
	138	flush_render_block_buffer(psx_gpu);
	139	psx_gpu->clut_settings = clut_settings;
	140	psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16);
	141	}
	142	}
	143
	144	void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color)
	145	{
	146	if(psx_gpu->triangle_color != triangle_color)
	147	{
	148	flush_render_block_buffer(psx_gpu);
	149	psx_gpu->triangle_color = triangle_color;
	150	}
	151	}
	152
	153	#define sign_extend_12bit(value) \
	154	(((s32)((value) << 20)) >> 20) \
	155
4be044ba E	156	#define sign_extend_11bit(value) \
	157	(((s32)((value) << 21)) >> 21) \
	158
	159	#define sign_extend_10bit(value) \
	160	(((s32)((value) << 22)) >> 22) \
	161
	162
75e28f62 E	163	#define get_vertex_data_xy(vertex_number, offset16) \
	164	vertexes[vertex_number].x = \
	165	sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \
	166	vertexes[vertex_number].y = \
	167	sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \
	168
	169	#define get_vertex_data_uv(vertex_number, offset16) \
	170	vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \
	171	vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \
	172
	173	#define get_vertex_data_rgb(vertex_number, offset32) \
	174	vertexes[vertex_number].r = list[offset32] & 0xFF; \
	175	vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \
	176	vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \
	177
	178	#define get_vertex_data_xy_uv(vertex_number, offset16) \
	179	get_vertex_data_xy(vertex_number, offset16); \
	180	get_vertex_data_uv(vertex_number, (offset16) + 2) \
	181
	182	#define get_vertex_data_xy_rgb(vertex_number, offset16) \
	183	get_vertex_data_rgb(vertex_number, (offset16) / 2); \
	184	get_vertex_data_xy(vertex_number, (offset16) + 2); \
	185
	186	#define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \
	187	get_vertex_data_rgb(vertex_number, (offset16) / 2); \
	188	get_vertex_data_xy(vertex_number, (offset16) + 2); \
	189	get_vertex_data_uv(vertex_number, (offset16) + 4); \
	190
	191	#define set_vertex_color_constant(vertex_number, color) \
	192	vertexes[vertex_number].r = color & 0xFF; \
	193	vertexes[vertex_number].g = (color >> 8) & 0xFF; \
	194	vertexes[vertex_number].b = (color >> 16) & 0xFF \
	195
	196	#define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \
	197	get_vertex_data_xy(vertex_number, offset16); \
	198	set_vertex_color_constant(vertex_number, color) \
	199
	200	vertex_struct vertexes[4] __attribute__((aligned(32)));
	201
	202	void gpu_parse(psx_gpu_struct psx_gpu, u32 list, u32 size)
	203	{
	204	u32 current_command, command_length;
	205
	206	u32 *list_end = list + (size / 4);
	207
	208	for(; list < list_end; list += 1 + command_length)
	209	{
	210	s16 list_s16 = (void )list;
	211	current_command = *list >> 24;
	212	command_length = command_lengths[current_command];
87c45ad1	213
75e28f62 E	214	switch(current_command)
	215	{
	216	case 0x00:
	217	break;
	218
	219	case 0x02:
87c45ad1 E	220	{
	221	u32 x = list_s16[2] & 0x3FF;
	222	u32 y = list_s16[3] & 0x1FF;
	223	u32 width = list_s16[4] & 0x3FF;
	224	u32 height = list_s16[5] & 0x1FF;
	225	u32 color = list[0] & 0xFFFFFF;
	226
	227	x &= ~0xF;
	228	width = ((width + 0xF) & ~0xF);
	229
	230	if((x + width) > 1024)
	231	{
	232	u32 width_a = 1024 - x;
	233	u32 width_b = width - width_a;
	234
	235	if((y + height) > 512)
	236	{
	237	u32 height_a = 512 - y;
	238	u32 height_b = height - height_a;
	239
	240	render_block_fill(psx_gpu, color, x, y, width_a, height_a);
	241	render_block_fill(psx_gpu, color, 0, y, width_b, height_a);
	242	render_block_fill(psx_gpu, color, x, 0, width_a, height_b);
	243	render_block_fill(psx_gpu, color, 0, 0, width_b, height_b);
	244	}
	245	else
	246	{
	247	render_block_fill(psx_gpu, color, x, y, width_a, height);
	248	render_block_fill(psx_gpu, color, 0, y, width_b, height);
	249	}
	250	}
	251	else
	252	{
	253	if((y + height) > 512)
	254	{
	255	u32 height_a = 512 - y;
	256	u32 height_b = height - height_a;
	257
	258	render_block_fill(psx_gpu, color, x, y, width, height_a);
	259	render_block_fill(psx_gpu, color, x, 0, width, height_b);
	260	}
	261	else
	262	{
	263	render_block_fill(psx_gpu, color, x, y, width, height);
	264	}
	265	}
75e28f62	266	break;
87c45ad1	267	}
75e28f62 E	268
	269	case 0x20 ... 0x23:
	270	{
	271	set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
	272
	273	get_vertex_data_xy(0, 2);
	274	get_vertex_data_xy(1, 4);
	275	get_vertex_data_xy(2, 6);
f9248bbf	276
75e28f62 E	277	render_triangle(psx_gpu, vertexes, current_command);
	278	break;
	279	}
	280
	281	case 0x24 ... 0x27:
	282	{
	283	set_clut(psx_gpu, list_s16[5]);
	284	set_texture(psx_gpu, list_s16[9]);
	285	set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
	286
	287	get_vertex_data_xy_uv(0, 2);
	288	get_vertex_data_xy_uv(1, 6);
	289	get_vertex_data_xy_uv(2, 10);
	290
	291	render_triangle(psx_gpu, vertexes, current_command);
	292	break;
	293	}
	294
	295	case 0x28 ... 0x2B:
	296	{
	297	set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
	298
	299	get_vertex_data_xy(0, 2);
	300	get_vertex_data_xy(1, 4);
	301	get_vertex_data_xy(2, 6);
	302	get_vertex_data_xy(3, 8);
	303
	304	render_triangle(psx_gpu, vertexes, current_command);
	305	render_triangle(psx_gpu, &(vertexes[1]), current_command);
	306	break;
	307	}
	308
	309	case 0x2C ... 0x2F:
	310	{
	311	set_clut(psx_gpu, list_s16[5]);
	312	set_texture(psx_gpu, list_s16[9]);
	313	set_triangle_color(psx_gpu, list[0] & 0xFFFFFF);
	314
	315	get_vertex_data_xy_uv(0, 2);
	316	get_vertex_data_xy_uv(1, 6);
	317	get_vertex_data_xy_uv(2, 10);
	318	get_vertex_data_xy_uv(3, 14);
	319
	320	render_triangle(psx_gpu, vertexes, current_command);
	321	render_triangle(psx_gpu, &(vertexes[1]), current_command);
	322	break;
	323	}
	324
	325	case 0x30 ... 0x33:
	326	{
	327	get_vertex_data_xy_rgb(0, 0);
	328	get_vertex_data_xy_rgb(1, 4);
	329	get_vertex_data_xy_rgb(2, 8);
	330
	331	render_triangle(psx_gpu, vertexes, current_command);
	332	break;
	333	}
	334
	335	case 0x34:
	336	case 0x35:
	337	case 0x36:
	338	case 0x37:
	339	{
	340	set_clut(psx_gpu, list_s16[5]);
341	set_texture(psx_gpu, list_s16[11]);
342
343	get_vertex_data_xy_uv_rgb(0, 0);
344	get_vertex_data_xy_uv_rgb(1, 6);
345	get_vertex_data_xy_uv_rgb(2, 12);
346
347	render_triangle(psx_gpu, vertexes, current_command);
348	break;
349	}
350
351	case 0x38:
352	case 0x39:
353	case 0x3A:
354	case 0x3B:
355	{
356	get_vertex_data_xy_rgb(0, 0);
357	get_vertex_data_xy_rgb(1, 4);
358	get_vertex_data_xy_rgb(2, 8);
359	get_vertex_data_xy_rgb(3, 12);
360
361	render_triangle(psx_gpu, vertexes, current_command);
362	render_triangle(psx_gpu, &(vertexes[1]), current_command);
363	break;
364	}
365
366	case 0x3C:
367	case 0x3D:
368	case 0x3E:
369	case 0x3F:
370	{
371	set_clut(psx_gpu, list_s16[5]);
372	set_texture(psx_gpu, list_s16[11]);
373
374	get_vertex_data_xy_uv_rgb(0, 0);
375	get_vertex_data_xy_uv_rgb(1, 6);
376	get_vertex_data_xy_uv_rgb(2, 12);
377	get_vertex_data_xy_uv_rgb(3, 18);
378
379	render_triangle(psx_gpu, vertexes, current_command);
380	render_triangle(psx_gpu, &(vertexes[1]), current_command);
381	break;
382	}
383
384	case 0x40 ... 0x47:
385	{
386	vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
387	vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
388	vertexes[1].x = list_s16[4] + psx_gpu->offset_x;
389	vertexes[1].y = list_s16[5] + psx_gpu->offset_y;
390
391	render_line(psx_gpu, vertexes, current_command, list[0]);
392	break;
393	}
394
395	case 0x48 ... 0x4F:
396	{
397	u32 num_vertexes = 1;
398	u32 *list_position = &(list[2]);
399	u32 xy = list[1];
400
401	vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
402	vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
403
404	while(1)
405	{
406	xy = *list_position;
f9248bbf E	407
f9248bbf E	408	if((xy & 0xF000F000) == 0x50005000)
75e28f62 E	409	break;
	410
	411	vertexes[0] = vertexes[1];
	412
	413	vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
	414	vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
	415
	416	list_position++;
	417	num_vertexes++;
	418
f9248bbf E	419	if(list_position > list_end)
	420	break;
	421
75e28f62 E	422	render_line(psx_gpu, vertexes, current_command, list[0]);
	423	}
	424
	425	if(num_vertexes > 2)
	426	command_length += (num_vertexes - 2);
	427
	428	break;
	429	}
	430
	431	case 0x50 ... 0x57:
	432	{
	433	vertexes[0].r = list[0] & 0xFF;
	434	vertexes[0].g = (list[0] >> 8) & 0xFF;
	435	vertexes[0].b = (list[0] >> 16) & 0xFF;
	436	vertexes[0].x = list_s16[2] + psx_gpu->offset_x;
	437	vertexes[0].y = list_s16[3] + psx_gpu->offset_y;
	438
	439	vertexes[1].r = list[2] & 0xFF;
	440	vertexes[1].g = (list[2] >> 8) & 0xFF;
	441	vertexes[1].b = (list[2] >> 16) & 0xFF;
	442	vertexes[1].x = list_s16[6] + psx_gpu->offset_x;
	443	vertexes[1].y = list_s16[7] + psx_gpu->offset_y;
	444
	445	render_line(psx_gpu, vertexes, current_command, 0);
	446	break;
	447	}
	448
	449	case 0x58 ... 0x5F:
	450	{
	451	u32 num_vertexes = 1;
	452	u32 *list_position = &(list[2]);
	453	u32 color = list[0];
	454	u32 xy = list[1];
	455
	456	vertexes[1].r = color & 0xFF;
	457	vertexes[1].g = (color >> 8) & 0xFF;
	458	vertexes[1].b = (color >> 16) & 0xFF;
	459	vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
	460	vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
	461
	462	while(1)
	463	{
	464	color = list_position[0];
f9248bbf	465	if((color & 0xF000F000) == 0x50005000)
75e28f62 E	466	break;
	467
	468	xy = list_position[1];
	469
	470	vertexes[0] = vertexes[1];
	471
	472	vertexes[1].r = color & 0xFF;
	473	vertexes[1].g = (color >> 8) & 0xFF;
	474	vertexes[1].b = (color >> 16) & 0xFF;
	475	vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x;
	476	vertexes[1].y = (xy >> 16) + psx_gpu->offset_y;
	477
	478	list_position += 2;
	479	num_vertexes++;
	480
f9248bbf E	481	if(list_position > list_end)
	482	break;
	483
75e28f62 E	484	render_line(psx_gpu, vertexes, current_command, 0);
	485	}
	486
	487	if(num_vertexes > 2)
	488	command_length += ((num_vertexes * 2) - 2);
	489
	490	break;
	491	}
	492
	493	case 0x60 ... 0x63:
	494	{
4be044ba E	495	u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	496	u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 E	497	u32 width = list_s16[4] & 0x3FF;
	498	u32 height = list_s16[5] & 0x1FF;
	499
75e28f62 E	500	render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]);
	501	break;
	502	}
	503
	504	case 0x64 ... 0x67:
	505	{
4be044ba E	506	u32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	507	u32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 E	508	u32 uv = list_s16[4];
	509	u32 width = list_s16[6] & 0x3FF;
	510	u32 height = list_s16[7] & 0x1FF;
	511
75e28f62 E	512	set_clut(psx_gpu, list_s16[5]);
	513
	514	render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height,
	515	current_command, list[0]);
	516	break;
	517	}
	518
	519	case 0x68:
	520	case 0x69:
	521	case 0x6A:
	522	case 0x6B:
	523	{
4be044ba E	524	s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	525	s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62	526
75e28f62 E	527	render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
	528	break;
	529	}
	530
	531	case 0x70:
	532	case 0x71:
	533	case 0x72:
	534	case 0x73:
	535	{
4be044ba E	536	s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	537	s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62	538
75e28f62 E	539	render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
	540	break;
	541	}
	542
	543	case 0x74:
	544	case 0x75:
	545	case 0x76:
	546	case 0x77:
	547	{
4be044ba E	548	s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	549	s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 E	550	u32 uv = list_s16[4];
75e28f62 E	551
75e28f62 E	552	set_clut(psx_gpu, list_s16[5]);
	553
	554	render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8,
	555	current_command, list[0]);
	556	break;
	557	}
	558
	559	case 0x78:
	560	case 0x79:
	561	case 0x7A:
	562	case 0x7B:
	563	{
4be044ba E	564	s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	565	s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62	566
75e28f62 E	567	render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
	568	break;
	569	}
	570
	571	case 0x7C:
	572	case 0x7D:
	573	case 0x7E:
	574	case 0x7F:
	575	{
4be044ba E	576	s32 x = sign_extend_11bit(list_s16[2] + psx_gpu->offset_x);
4be044ba E	577	s32 y = sign_extend_11bit(list_s16[3] + psx_gpu->offset_y);
75e28f62 E	578	u32 uv = list_s16[4];
75e28f62 E	579
75e28f62 E	580	set_clut(psx_gpu, list_s16[5]);
	581
	582	render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16,
	583	current_command, list[0]);
	584	break;
	585	}
	586
	587	case 0x80: // vid -> vid
	588	render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF,
	589	list_s16[4] & 0x3FF, list_s16[5] & 0x1FF, list_s16[6], list_s16[7]);
	590	break;
	591
	592	case 0xA0: // sys -> vid
	593	{
1f88961f E	594	u32 load_x = list_s16[2] & 0x3FF;
	595	u32 load_y = list_s16[3] & 0x1FF;
	596	u32 load_width = list_s16[4] & 0x3FF;
	597	u32 load_height = list_s16[5] & 0x1FF;
75e28f62 E	598	u32 load_size = load_width * load_height;
	599
	600	command_length += load_size / 2;
cec398c0 E	601
	602	if(load_size & 1)
	603	command_length++;
	604
75e28f62 E	605	render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y,
	606	load_width, load_height, load_width);
	607	break;
	608	}
	609
	610	case 0xC0: // vid -> sys
	611	break;
	612
	613	case 0xE1:
	614	set_texture(psx_gpu, list[0] & 0x1FF);
87c45ad1	615
75e28f62 E	616	if(list[0] & (1 << 9))
	617	psx_gpu->render_state_base \|= RENDER_STATE_DITHER;
	618	else
	619	psx_gpu->render_state_base &= ~RENDER_STATE_DITHER;
	620
	621	psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1;
	622	break;
	623
	624	case 0xE2:
	625	{
	626	// TODO: Clean
	627	u32 texture_window_settings = list[0];
	628	u32 tmp, x, y, w, h;
	629
	630	if(texture_window_settings != psx_gpu->texture_window_settings)
	631	{
	632	tmp = (texture_window_settings & 0x1F) \| 0x20;
	633	for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1);
	634
	635	tmp = ((texture_window_settings >> 5) & 0x1f) \| 0x20;
	636	for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1);
	637
	638	tmp = 32 - (w >> 3);
	639	x = ((texture_window_settings >> 10) & tmp) << 3;
	640
	641	tmp = 32 - (h >> 3);
	642	y = ((texture_window_settings >> 15) & tmp) << 3;
	643
	644	flush_render_block_buffer(psx_gpu);
	645
de35a464	646	psx_gpu->texture_window_settings = texture_window_settings;
75e28f62 E	647	psx_gpu->texture_window_x = x;
	648	psx_gpu->texture_window_y = y;
	649	psx_gpu->texture_mask_width = w - 1;
	650	psx_gpu->texture_mask_height = h - 1;
	651
	652	update_texture_ptr(psx_gpu);
	653	}
	654	break;
	655	}
	656
	657	case 0xE3:
	658	psx_gpu->viewport_start_x = list[0] & 0x3FF;
	659	psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF;
	660
	661	#ifdef TEXTURE_CACHE_4BPP
	662	psx_gpu->viewport_mask =
	663	texture_region_mask(psx_gpu->viewport_start_x,
	664	psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
	665	psx_gpu->viewport_end_y);
	666	#endif
	667	break;
	668
	669	case 0xE4:
	670	psx_gpu->viewport_end_x = list[0] & 0x3FF;
	671	psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF;
	672
	673	#ifdef TEXTURE_CACHE_4BPP
	674	psx_gpu->viewport_mask =
	675	texture_region_mask(psx_gpu->viewport_start_x,
	676	psx_gpu->viewport_start_y, psx_gpu->viewport_end_x,
	677	psx_gpu->viewport_end_y);
	678	#endif
	679	break;
	680
	681	case 0xE5:
	682	{
	683	s32 offset_x = list[0] << 21;
	684	s32 offset_y = list[0] << 10;
	685	psx_gpu->offset_x = offset_x >> 21;
	686	psx_gpu->offset_y = offset_y >> 21;
	687
	688	break;
	689	}
	690
	691	case 0xE6:
	692	{
	693	u32 mask_settings = list[0];
	694	u16 mask_msb = mask_settings << 15;
	695
	696	if(list[0] & 0x2)
	697	psx_gpu->render_state_base \|= RENDER_STATE_MASK_EVALUATE;
	698	else
	699	psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE;
	700
	701	if(mask_msb != psx_gpu->mask_msb)
	702	{
	703	flush_render_block_buffer(psx_gpu);
	704	psx_gpu->mask_msb = mask_msb;
	705	}
	706
	707	break;
	708	}
	709
	710	default:
711	break;
712	}
713	}
714	}
715