init

include/shader.h

@@ -0,0 +1,23 @@
+#ifndef GSR_SHADER_H
+#define GSR_SHADER_H
+
+#include <stdbool.h>
+
+typedef struct gsr_egl gsr_egl;
+
+typedef struct {
+    gsr_egl *egl;
+    unsigned int program_id;
+} gsr_shader;
+
+/* |vertex_shader| or |fragment_shader| may be NULL */
+int gsr_shader_init(gsr_shader *self, gsr_egl *egl, const char *vertex_shader, const char *fragment_shader);
+void gsr_shader_deinit(gsr_shader *self);
+
+int gsr_shader_bind_attribute_location(gsr_shader *self, const char *attribute, int location);
+void gsr_shader_use(gsr_shader *self);
+void gsr_shader_use_none(gsr_shader *self);
+
+void gsr_shader_enable_debug_output(bool enable);
+
+#endif /* GSR_SHADER_H */