X-Git-Url: http://git.mutantstargoat.com?p=demo;a=blobdiff_plain;f=src%2Fshader.cc;h=b8ca8ef4d6c0fa6453b1eca3c3567f7a1d46418c;hp=703c2dc852123a696af11a76cdc2ca357561c4e7;hb=31bab00bc3b476be9814c1ee06b9a2f0dc77d4e9;hpb=64e2adbbab48320b6cd792e515b44cea112a3be4

diff --git a/src/shader.cc b/src/shader.cc
index 703c2dc..b8ca8ef 100644
--- a/src/shader.cc
+++ b/src/shader.cc
@@ -1,18 +1,87 @@
+#include <assert.h>
 #include <stdio.h>
 #include "shader.h"
 
+ShaderProgram *current_program;
+
 Shader::Shader() {}
-Shader::~Shader() {}
+Shader::~Shader()
+{
+	type = SDR_UNKNOWN;
+}
+
+bool Shader::load(const char *fname, SType type)
+{
+	switch(type) {
+	case SDR_VERTEX:
+	case SDR_FRAGMENT:
+		this->type = type;
+		break;
+	default:
+		fprintf(stderr, "Invalid shader type used in loading.\n");
+		return false;
+	}
+
+	FILE *fp;
+	unsigned int fsz;
+
+	if(!(fp = fopen(fname, "rb"))) {
+		fprintf(stderr, "Failed to open shader: %s.\n", fname);
+
+		return false;
+	}
+	fseek(fp, 0, SEEK_END);
+	fsz = ftell(fp);
+	rewind(fp);
+
+	char *buf;
+	if(!(buf = new char[fsz + 1])) {
+		fprintf(stderr, "Failed to allocate %u buffers.\n", fsz + 1);
+		fclose(fp);
+
+		return false;
+	}
+
+	if(fread(buf, 1, fsz, fp) < fsz) {
+		fprintf(stderr, "Failed to read shader: %s.\n", fname);
+		delete buf;
+		fclose(fp);
+
+		return false;
+	}
+	buf[fsz] = '\0';
+	fclose(fp);
+
+	create(buf, fsz, fname);
+	return true;
+}
 
 ShaderProgram::ShaderProgram()
 {
+	current_program = 0;
+
+	int len = sizeof shaders / sizeof *shaders;
+	for(int i=0; i<len; ++i) {
+		shaders[i] = 0;
+	}
 }
 
 ShaderProgram::~ShaderProgram()
 {
+	int len = sizeof shaders / sizeof *shaders;
+
+	for(int i=0; i<len; ++i) {
+		delete shaders[i];
+	}
 }
 
-void ShaderProgram::set_shader(Shader *sdr, SType type)
+// void ShaderProgram::add_shader(Shader *sdr)
+// {
+// 	assert(sdr->type < sizeof shaders / sizeof *shaders);
+// 	shaders[sdr->type] = sdr;
+// }
+
+ShaderProgram *get_current_program()
 {
-	shaders[type] = sdr;
+	return current_program;
 }
\ No newline at end of file