Merge pull request #288 from fjtrujy/missingRegions

`scissor` misses `REGION1` and `REGION2` commands

Author: fjtrujy

src/gu/sceGuDisable.c

@@ -21,9 +21,14 @@ void sceGuDisable(int state)
 	case GU_SCISSOR_TEST:
 	{
 		GuContext *context = &gu_contexts[gu_curr_context];
+		int orig = 0;
+		int end = ((gu_draw_buffer.height - 1) << 10) | (gu_draw_buffer.width - 1);
+		
 		context->scissor_enable = 0;
-		sendCommandi(SCISSOR1, 0);
-		sendCommandi(SCISSOR2, ((gu_draw_buffer.height - 1) << 10) | (gu_draw_buffer.width - 1));
+		sendCommandi(SCISSOR1, orig);
+		sendCommandi(SCISSOR2, end);
+		sendCommandi(REGION1, orig);
+		sendCommandi(REGION2, end);
 	}
 	break;
 	case GU_STENCIL_TEST:

src/gu/sceGuEnable.c

@@ -21,9 +21,14 @@ void sceGuEnable(int state)
 	case GU_SCISSOR_TEST:
 	{
 		GuContext *context = &gu_contexts[gu_curr_context];
+		int orig = (context->scissor_start[1] << 10) | context->scissor_start[0];
+		int end = (context->scissor_end[1] << 10) | context->scissor_end[0];
+		
 		context->scissor_enable = 1;
-		sendCommandi(SCISSOR1, (context->scissor_start[1] << 10) | context->scissor_start[0]);
-		sendCommandi(SCISSOR2, (context->scissor_end[1] << 10) | context->scissor_end[0]);
+		sendCommandi(SCISSOR1, orig);
+		sendCommandi(SCISSOR2, end);
+		sendCommandi(REGION1, orig);
+		sendCommandi(REGION2, end);
 	}
 	break;
 	case GU_STENCIL_TEST:

src/gu/sceGuScissor.c

@@ -19,7 +19,12 @@ void sceGuScissor(int x, int y, int w, int h)
 
 	if (context->scissor_enable)
 	{
-		sendCommandi(SCISSOR1, (context->scissor_start[1] << 10) | context->scissor_start[0]);
-		sendCommandi(SCISSOR2, (context->scissor_end[1] << 10) | context->scissor_end[0]);
+		int orig = (context->scissor_start[1] << 10) | context->scissor_start[0];
+		int end = (context->scissor_end[1] << 10) | context->scissor_end[0];
+
+		sendCommandi(SCISSOR1, orig);
+		sendCommandi(SCISSOR2, end);
+		sendCommandi(REGION1, orig);
+		sendCommandi(REGION2, end);
 	}
 }