gte_neon: use more accurate division

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

diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
index fc9f3fb..32895e1 100644 (file)
--- a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
+++ b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
@@ -96,8 +96,7 @@ void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings)
     u32 texture_mode = (texture_settings >> 7) & 0x3;
     u32 render_state_base = psx_gpu->render_state_base;
 
-    if(psx_gpu->current_texture_page != new_texture_page)
-      flush_render_block_buffer(psx_gpu);
+    flush_render_block_buffer(psx_gpu);
 
     render_state_base &= ~(0xF << 6);
     render_state_base |= ((texture_settings >> 5) & 0xF) << 6;
@@ -211,8 +210,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                        break;
   
                case 0x02:
-        render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2], list_s16[3],
-         list_s16[4] & 0x3FF, list_s16[5] & 0x3FF);
+        render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2] & 0x3FF,
+         list_s16[3] & 0x1FF, list_s16[4] & 0x3FF, list_s16[5] & 0x1FF);
                        break;
   
                case 0x20 ... 0x23:
@@ -434,8 +433,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
   
                case 0x60 ... 0x63:
       {        
-        u32 x = list_s16[2] + psx_gpu->offset_x;
-        u32 y = list_s16[3] + psx_gpu->offset_y;
+        u32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        u32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
         u32 width = list_s16[4] & 0x3FF;
         u32 height = list_s16[5] & 0x1FF;
 
@@ -445,8 +444,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
   
                case 0x64 ... 0x67:
       {        
-        u32 x = list_s16[2] + psx_gpu->offset_x;
-        u32 y = list_s16[3] + psx_gpu->offset_y;
+        u32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        u32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
         u32 uv = list_s16[4];
         u32 width = list_s16[6] & 0x3FF;
         u32 height = list_s16[7] & 0x1FF;
@@ -463,8 +462,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                case 0x6A:
                case 0x6B:
       {
-        s32 x = list_s16[2] + psx_gpu->offset_x;
-        s32 y = list_s16[3] + psx_gpu->offset_y;
+        s32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        s32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
 
         render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]);
                        break;
@@ -475,8 +474,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                case 0x72:
                case 0x73:
       {        
-        s32 x = list_s16[2] + psx_gpu->offset_x;
-        s32 y = list_s16[3] + psx_gpu->offset_y;
+        s32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        s32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
 
         render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]);
                        break;
@@ -487,8 +486,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                case 0x76:
                case 0x77:
       {        
-        s32 x = list_s16[2] + psx_gpu->offset_x;
-        s32 y = list_s16[3] + psx_gpu->offset_y;
+        s32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        s32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
         u32 uv = list_s16[4];
 
         set_clut(psx_gpu, list_s16[5]);
@@ -503,8 +502,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                case 0x7A:
                case 0x7B:
       {        
-        s32 x = list_s16[2] + psx_gpu->offset_x;
-        s32 y = list_s16[3] + psx_gpu->offset_y;
+        s32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        s32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
 
         render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]);
                        break;
@@ -515,8 +514,8 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
                case 0x7E:
                case 0x7F:
       {        
-        s32 x = list_s16[2] + psx_gpu->offset_x;
-        s32 y = list_s16[3] + psx_gpu->offset_y;
+        s32 x = sign_extend_12bit(list_s16[2]) + psx_gpu->offset_x;
+        s32 y = sign_extend_12bit(list_s16[3]) + psx_gpu->offset_y;
         u32 uv = list_s16[4];
 
         set_clut(psx_gpu, list_s16[5]);
@@ -533,10 +532,10 @@ void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size)
   
                case 0xA0:          //  sys -> vid
       {
-        u32 load_x = list_s16[2];
-        u32 load_y = list_s16[3];
-        u32 load_width = list_s16[4];
-        u32 load_height = list_s16[5];
+        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;