Working 3D with .obj file loading

1 files changed, 39 insertions, 0 deletions

diff --git a/src/shader.c b/src/shader.c
new file mode 100644
index 0000000..022879e
--- /dev/null
+++ b/src/shader.c
@@ -0,0 +1,39 @@
+#include "shader.h"
+#include "includes.h"
+
+unsigned int loadShader(const char* filename, unsigned int shadertype)
+{
+	void* shader_source = SDL_LoadFile(filename, NULL);
+	unsigned int shader = glCreateShader(shadertype);
+	glShaderSource(shader, 1, (const char**)&shader_source, NULL);
+	glCompileShader(shader);
+	SDL_free(shader_source);
+
+	int success;
+
+	glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
+	if (!success) {
+		printf("Couldn't compile shader\n");
+		return 0;
+	}
+
+	return shader;
+}
+
+unsigned int shaderProgram(unsigned int vertex_shader, unsigned int fragment_shader)
+{
+	unsigned int shader_program;
+	shader_program = glCreateProgram();
+	glAttachShader(shader_program, vertex_shader);
+	glAttachShader(shader_program, fragment_shader);
+	glLinkProgram(shader_program);
+
+	int success;
+	glGetProgramiv(shader_program, GL_LINK_STATUS, &success);
+	if (!success) {
+		printf("Couldn't link shader program\n");
+		return 0;
+	}
+
+	return shader_program;
+}