*misc

1 files changed, 20 insertions, 9 deletions

diff --git a/src/core/device.c b/src/core/device.c
index 92a893f..b5468cd 100644
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -422,7 +422,7 @@ static struct {
 	uint length;
 } clip_coords;
 
-static ClippedBuffer clipped_buffer; /*clipping result*/
+extern ClippedBuffer clip_buffer; /*clipping result*/
 
 void ssr_draw(ssr_PrimitiveType primitive) {
 	ssr_assert(state.verts && state.indices);
@@ -480,6 +480,7 @@ void ssr_draw(ssr_PrimitiveType primitive) {
 		uint i0, i1, i2;
 		Vec4 *h0, *h1, *h2;
 		Vert *v0, *v1, *v2;
+		bool reset_active_reg = FALSE;
 		for (int i = 0; i < state.nprims; ++i) {
 			i0 = state.indices[i * 3];
 			i1 = state.indices[i * 3 + 1];
@@ -507,19 +508,25 @@ void ssr_draw(ssr_PrimitiveType primitive) {
 			}
 
 			/*clipping*/
-			bool clipped = clip_triangle(h0, h1, h2, v0, v1, v2, varying_flag, &clipped_buffer);
+			bool clipped = clip_triangle(h0, h1, h2, v0, v1, v2, varying_flag, &clip_buffer);
 
 			/*rasterization*/
 			if (!clipped) {
-				/*ssrS_setactiveregr();*/
+				if (reset_active_reg) {
+					reset_active_reg = FALSE;
+					ssrS_setactiveregr();
+				}
 				ssrR_triangle(h0, h1, h2, v0, v1, v2, state.program, &state.uniforms);
 			} else {
-				ssrS_setactiveregc();
-				if (clipped_buffer.count >= 3) {
-					ClippedVert* vt0 = &clipped_buffer.vertices[0], *vt1, *vt2;
-					for (int i = 1; i <= clipped_buffer.count - 2; ++i) {
-						vt1 = &clipped_buffer.vertices[i];
-						vt2 = &clipped_buffer.vertices[i + 1];
+				if (!reset_active_reg) {
+					reset_active_reg = TRUE;
+					ssrS_setactiveregc();
+				}
+				if (clip_buffer.count >= 3) {
+					ClippedVert* vt0 = &clip_buffer.vertices[0], *vt1, *vt2;
+					for (int i = 1; i <= clip_buffer.count - 2; ++i) {
+						vt1 = &clip_buffer.vertices[i];
+						vt2 = &clip_buffer.vertices[i + 1];
 						h0 = &vt0->clip_coord; h1 = &vt1->clip_coord; h2 = &vt2->clip_coord;
 						v0 = &vt0->vertex;     v1 = &vt1->vertex;     v2 = &vt2->vertex;
 						ssrR_triangle(h0, h1, h2, v0, v1, v2, state.program, &state.uniforms);
@@ -563,3 +570,7 @@ void ssr_setuniformtex(uint idx, Texture* tex) {
 	if (idx < 0 || idx > 11) return;
 	state.uniforms.var_tex[idx] = tex;
 }
+
+void ssr_setuniformu(void* userdata) {
+	state.uniforms.userdata = userdata;
+}