X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fpost.c;h=91109b2d97770cb0a8438a95cd0355d73b4a9166;hb=5eefe7b94c8d6c6caa2c10e3835ab0831a3c42a1;hp=c1a2a2304df540cc2aa47e0c99a1f3b01bafac34;hpb=3a9f6854df479d81442273c9d0b133c49c5c8f66;p=demo_prior

diff --git a/src/post.c b/src/post.c
index c1a2a23..91109b2 100644
--- a/src/post.c
+++ b/src/post.c
@@ -2,6 +2,86 @@
 #include "texture.h"
 #include "post.h"
 #include "demo.h"
+#include "opt.h"
+#include "sdr.h"
+
+static unsigned int post_fbtex_gltexid[2];
+static unsigned int rbuf_depth[2];
+
+unsigned int post_fbo[2];
+struct texture post_fbtex[2];
+int post_fbtex_cur;
+
+unsigned int post_sdr[MAX_POST_SDR];
+
+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;
+		}
+	}
+
+	glGenTextures(2, post_fbtex_gltexid);
+	glGenRenderbuffers(2, rbuf_depth);
+
+	for(i=0; i<2; i++) {
+		post_fbtex[i].id = post_fbtex_gltexid[i];
+		post_fbtex[i].width = 0;
+		post_fbtex[i].height = 0;
+		post_fbtex[i].pixels = 0;
+
+		glBindTexture(GL_TEXTURE_2D, post_fbtex[i].id);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	}
+	return 0;
+}
+
+void post_cleanup(void)
+{
+	if(post_fbtex_gltexid[0]) {
+		glDeleteTextures(2, post_fbtex_gltexid);
+	}
+	if(rbuf_depth[0]) {
+		glDeleteRenderbuffers(2, rbuf_depth);
+	}
+	if(post_fbo[0]) {
+		glDeleteFramebuffers(2, post_fbo);
+	}
+}
+
+void post_reshape(int x, int y)
+{
+	int i, ifmt;
+
+	if(x != post_fbtex[0].width || y != post_fbtex[0].height) {
+		ifmt = opt.srgb ? GL_SRGB_ALPHA : GL_RGBA;
+
+		for(i=0; i<2; i++) {
+			glBindTexture(GL_TEXTURE_2D, post_fbtex[i].id);
+			glTexImage2D(GL_TEXTURE_2D, 0, ifmt, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+			post_fbtex[i].width = x;
+			post_fbtex[i].height = y;
+
+			glBindRenderbuffer(GL_RENDERBUFFER, rbuf_depth[i]);
+			glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, x, y);
+		}
+
+		if(!post_fbo[0]) {
+			glGenFramebuffers(2, post_fbo);
+			for(i=0; i<2; i++) {
+				glBindFramebuffer(GL_FRAMEBUFFER, post_fbo[i]);
+				glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, post_fbtex_gltexid[i], 0);
+				glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rbuf_depth[i]);
+			}
+			glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		}
+	}
+}
 
 void overlay(unsigned int tex, float aspect, float alpha)
 {