psx_gpu: do enhanced lines

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

diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu.c b/plugins/gpu_neon/psx_gpu/psx_gpu.c
index 0c1c78d..9b5a64d 100644 (file)
--- a/plugins/gpu_neon/psx_gpu/psx_gpu.c
+++ b/plugins/gpu_neon/psx_gpu/psx_gpu.c
@@ -454,7 +454,7 @@ void setup_blocks_shaded_untextured_undithered_unswizzled_indirect(
 
 void flush_render_block_buffer(psx_gpu_struct *psx_gpu)
 {
-  if((psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED) &&
+  if((psx_gpu->render_mode & RENDER_INTERLACE_ENABLED) &&
    (psx_gpu->primitive_type == PRIMITIVE_TYPE_SPRITE))
   {
     u32 num_blocks_dest = 0;
@@ -464,7 +464,7 @@ void flush_render_block_buffer(psx_gpu_struct *psx_gpu)
     u16 *vram_ptr = psx_gpu->vram_ptr;
     u32 i;
 
-    if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+    if(psx_gpu->render_mode & RENDER_INTERLACE_ODD)
     {
       for(i = 0; i < psx_gpu->num_blocks; i++)
       {
@@ -567,7 +567,7 @@ void compute_all_gradients(psx_gpu_struct *psx_gpu, vertex_struct *a,
 
   vec_4x32u uvrg_base;
   vec_4x32u b_base;
-  vec_4x32u const_0x8000;
+  vec_4x32u uvrgb_phase;
 
   vec_4x16s d0_a_d3_c, d0_b, d0_c;
   vec_4x16s d1_a, d1_b, d1_c_d2_a;
@@ -596,12 +596,12 @@ void compute_all_gradients(psx_gpu_struct *psx_gpu, vertex_struct *a,
   setup_gradient_calculation_input(1, b);
   setup_gradient_calculation_input(2, c);
 
-  dup_4x32b(const_0x8000, 0x8000);
+  dup_4x32b(uvrgb_phase, psx_gpu->uvrgb_phase);
   shl_long_4x16b(uvrg_base, x0_a_y0_c, 16);
   shl_long_4x16b(b_base, x0_b, 16);
 
-  add_4x32b(uvrg_base, uvrg_base, const_0x8000);
-  add_4x32b(b_base, b_base, const_0x8000);
+  add_4x32b(uvrg_base, uvrg_base, uvrgb_phase);
+  add_4x32b(b_base, b_base, uvrgb_phase);
 
   // Can probably pair these, but it'll require careful register allocation
   sub_4x16b(d0_a_d3_c, x1_a_y1_c, x0_a_y0_c);
@@ -3097,11 +3097,11 @@ static void render_triangle_p(psx_gpu_struct *psx_gpu,
   spans += psx_gpu->num_spans;
 #endif
 
-  if(psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED)
+  if(unlikely(psx_gpu->render_mode & RENDER_INTERLACE_ENABLED))
   {
     u32 i;
 
-    if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+    if(psx_gpu->render_mode & RENDER_INTERLACE_ODD)
     {
       for(i = 0; i < psx_gpu->num_spans; i++)
       {
@@ -4179,9 +4179,6 @@ do                                                                             \
   {                                                                            \
     delta_y *= -1;                                                             \
                                                                                \
-    if(delta_y >= 512)                                                         \
-      return;                                                                  \
-                                                                               \
     if(delta_x > delta_y)                                                      \
     {                                                                          \
       draw_line_span_horizontal(decrement, shading, blending, dithering,       \
@@ -4195,9 +4192,6 @@ do                                                                             \
   }                                                                            \
   else                                                                         \
   {                                                                            \
-    if(delta_y >= 512)                                                         \
-      return;                                                                  \
-                                                                               \
     if(delta_x > delta_y)                                                      \
     {                                                                          \
       draw_line_span_horizontal(increment, shading, blending, dithering,       \
@@ -4212,7 +4206,7 @@ do                                                                             \
 
                                                                                 
 void render_line(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, u32 flags,
- u32 color)
+ u32 color, int double_resolution)
 {
   s32 color_r, color_g, color_b;
   u32 triangle_winding = 0;
@@ -4264,9 +4258,19 @@ void render_line(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, u32 flags,
   delta_x = x_b - x_a;
   delta_y = y_b - y_a;
 
-  if(delta_x >= 1024)
+  if(delta_x >= 1024 || delta_y >= 512 || delta_y <= -512)
     return;
 
+  if(double_resolution)
+  {
+    x_a *= 2;
+    x_b *= 2;
+    y_a *= 2;
+    y_b *= 2;
+    delta_x *= 2;
+    delta_y *= 2;
+  }
+
   flags &= ~RENDER_FLAGS_TEXTURE_MAP;
 
   vram_ptr = psx_gpu->vram_out_ptr + (y_a * 1024) + x_a;
@@ -4473,12 +4477,12 @@ void render_block_fill(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y,
   u32 pitch = 512 - (width / 2);
   u32 num_width;
 
-  if(psx_gpu->interlace_mode & RENDER_INTERLACE_ENABLED)
+  if(psx_gpu->render_mode & RENDER_INTERLACE_ENABLED)
   {
     pitch += 512;
     height /= 2;
 
-    if(psx_gpu->interlace_mode & RENDER_INTERLACE_ODD)
+    if(psx_gpu->render_mode & RENDER_INTERLACE_ODD)
       vram_ptr += 512; 
   }
 
@@ -4505,6 +4509,50 @@ void render_block_fill(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y,
   }
 }
 
+void render_block_fill_enh(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y,
+ u32 width, u32 height)
+{
+  if((width == 0) || (height == 0))
+    return;
+
+  if(width > 1024)
+    width = 1024;
+
+  u32 r = color & 0xFF;
+  u32 g = (color >> 8) & 0xFF;
+  u32 b = (color >> 16) & 0xFF;
+  u32 color_16bpp = (r >> 3) | ((g >> 3) << 5) | ((b >> 3) << 10) |
+   psx_gpu->mask_msb;
+  u32 color_32bpp = color_16bpp | (color_16bpp << 16);
+
+  u32 *vram_ptr = (u32 *)(psx_gpu->vram_out_ptr + x + (y * 1024));
+
+  u32 pitch = 1024 / 2 - (width / 2);
+  u32 num_width;
+
+  while(height)
+  {
+    num_width = width;
+    while(num_width)
+    {
+      vram_ptr[0] = color_32bpp;
+      vram_ptr[1] = color_32bpp;
+      vram_ptr[2] = color_32bpp;
+      vram_ptr[3] = color_32bpp;
+      vram_ptr[4] = color_32bpp;
+      vram_ptr[5] = color_32bpp;
+      vram_ptr[6] = color_32bpp;
+      vram_ptr[7] = color_32bpp;
+
+      vram_ptr += 8;
+      num_width -= 16;
+    }
+
+    vram_ptr += pitch;
+    height--;
+  }
+}
+
 void render_block_copy(psx_gpu_struct *psx_gpu, u16 *source, u32 x, u32 y,
  u32 width, u32 height, u32 pitch)
 {
@@ -4583,6 +4631,7 @@ void initialize_psx_gpu(psx_gpu_struct *psx_gpu, u16 *vram)
   psx_gpu->render_state = 0;
   psx_gpu->render_state_base = 0;
   psx_gpu->num_blocks = 0;
+  psx_gpu->uvrgb_phase = 0x8000;
 
   psx_gpu->vram_ptr = vram;
   psx_gpu->vram_out_ptr = vram;
@@ -4598,7 +4647,7 @@ void initialize_psx_gpu(psx_gpu_struct *psx_gpu, u16 *vram)
   psx_gpu->texture_mask_width = 0xFF;
   psx_gpu->texture_mask_height = 0xFF;
 
-  psx_gpu->interlace_mode = 0;
+  psx_gpu->render_mode = 0;
 
   memset(psx_gpu->vram_ptr, 0, sizeof(u16) * 1024 * 512);
 
@@ -4621,6 +4670,8 @@ void initialize_psx_gpu(psx_gpu_struct *psx_gpu, u16 *vram)
   psx_gpu->dither_table[3] = dither_table_row(3, -1, 2, -2);
 
   psx_gpu->primitive_type = PRIMITIVE_TYPE_UNKNOWN;
+
+  psx_gpu->enhancement_x_threshold = 256;
 }
 
 u64 get_us(void)