X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=demo_prior;a=blobdiff_plain;f=src%2Fpost.c;fp=src%2Fpost.c;h=c834073f6336216b494c492d56fcd98f05f5b6c7;hp=91109b2d97770cb0a8438a95cd0355d73b4a9166;hb=2f14a35e7d557da12f24056267b911f24774aa18;hpb=5eefe7b94c8d6c6caa2c10e3835ab0831a3c42a1

diff --git a/src/post.c b/src/post.c
index 91109b2..c834073 100644
--- a/src/post.c
+++ b/src/post.c
@@ -12,18 +12,21 @@ unsigned int post_fbo[2];
 struct texture post_fbtex[2];
 int post_fbtex_cur;
 
-unsigned int post_sdr[MAX_POST_SDR];
+unsigned int sdr_vgn;
+int vgn_uloc_color, vgn_uloc_offs, vgn_uloc_sharp;
 
 int post_init(void)
 {
 	int i;
-	static const char *psdr_fname[] = {"sdr/oldfig.p.glsl"};
 
-	for(i=0; i<MAX_POST_SDR; i++) {
-		if(!(post_sdr[i] = create_program_load("sdr/post.v.glsl", psdr_fname[i]))) {
-			return -1;
-		}
+	if(!(sdr_vgn = create_program_load("sdr/post.v.glsl", "sdr/vignette.p.glsl"))) {
+		return -1;
 	}
+	glUseProgram(sdr_vgn);
+	vgn_uloc_color = get_uniform_loc(sdr_vgn, "color");
+	vgn_uloc_offs = get_uniform_loc(sdr_vgn, "offset");
+	vgn_uloc_sharp = get_uniform_loc(sdr_vgn, "sharpness");
+
 
 	glGenTextures(2, post_fbtex_gltexid);
 	glGenRenderbuffers(2, rbuf_depth);
@@ -52,6 +55,10 @@ void post_cleanup(void)
 	if(post_fbo[0]) {
 		glDeleteFramebuffers(2, post_fbo);
 	}
+
+	if(sdr_vgn) {
+		free_program(sdr_vgn);
+	}
 }
 
 void post_reshape(int x, int y)
@@ -100,19 +107,23 @@ void overlay(unsigned int tex, float aspect, float alpha)
 	glDisable(GL_LIGHTING);
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glEnable(GL_TEXTURE_2D);
 
-	glBindTexture(GL_TEXTURE_2D, tex);
+	if(tex) {
+		glEnable(GL_TEXTURE_2D);
+		glBindTexture(GL_TEXTURE_2D, tex);
+	} else {
+		glDisable(GL_TEXTURE_2D);
+	}
 
 	glBegin(GL_QUADS);
 	glColor4f(1, 1, 1, alpha);
-	glTexCoord2f(0, 1);
+	glTexCoord2f(0, 0);
 	glVertex2f(-1, -1);
-	glTexCoord2f(1, 1);
-	glVertex2f(1, -1);
 	glTexCoord2f(1, 0);
+	glVertex2f(1, -1);
+	glTexCoord2f(1, 1);
 	glVertex2f(1, 1);
-	glTexCoord2f(0, 0);
+	glTexCoord2f(0, 1);
 	glVertex2f(-1, 1);
 	glEnd();
 
@@ -125,5 +136,29 @@ void overlay(unsigned int tex, float aspect, float alpha)
 
 void overlay_tex(struct texture *tex, float alpha)
 {
-	overlay(tex->id, (float)tex->width / tex->height, alpha);
+	unsigned int tid;
+	float aspect;
+	if(tex) {
+		tid = tex->id;
+		aspect = (float)tex->width / tex->height;
+	} else {
+		tid = 0;
+		aspect = 1.0f;
+	}
+	overlay(tid, aspect, alpha);
+}
+
+void vignette(float r, float g, float b, float offs, float sharp)
+{
+	glUseProgram(sdr_vgn);
+	if(vgn_uloc_color) {
+		glUniform3f(vgn_uloc_color, r, g, b);
+	}
+	if(vgn_uloc_offs) {
+		glUniform1f(vgn_uloc_offs, offs);
+	}
+	if(vgn_uloc_sharp) {
+		glUniform1f(vgn_uloc_sharp, sharp);
+	}
+	overlay(0, 1.0, 1.0);
 }