render: Move logging and struct to headers

include/logging.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdio.h>
+
+#ifdef NDEBUG
+#define log_debug(...)
+#else
+#define log_debug(...) fprintf(stderr, "DEBUG: " __VA_ARGS__)
+#endif
+
+#define log_error(...) fprintf(stderr, "ERROR: " __VA_ARGS__)

include/render.h

@@ -1,7 +1,21 @@
 #pragma once
 
+#include <GLES2/gl2.h>
+#include <EGL/egl.h>
+
 struct dmabuf_frame;
 
+struct renderer {
+	EGLDisplay display;
+	EGLSurface surface;
+	EGLContext context;
+	GLuint shader_program;
+	uint32_t width;
+	uint32_t height;
+	GLint read_format;
+	GLint read_type;
+};
+
 int render_dmabuf_frame(struct renderer* self, struct dmabuf_frame* frame);
 
 /* Copy a horizontal stripe from the GL frame into a pixel buffer */

src/render.c

@@ -10,16 +10,12 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
+#include "logging.h"
+#include "render.h"
 #include "dmabuf.h"
 
 #define MAYBE_UNUSED __attribute__((unused))
 
-#ifdef NDEBUG
-#define log_debug(...)
-#else
-#define log_debug(...) fprintf(stderr, __VA_ARGS__)
-#endif
-
 #define XSTR(s) STR(s)
 #define STR(s) #s
 
@@ -41,17 +37,6 @@
 	X_GL_EXTENSIONS
 #undef X
 
-struct renderer {
-	EGLDisplay display;
-	EGLSurface surface;
-	EGLContext context;
-	GLuint shader_program;
-	uint32_t width;
-	uint32_t height;
-	GLint read_format;
-	GLint read_type;
-};
-
 static inline void* gl_load_single_extension(const char* name)
 {
 	void* ext = eglGetProcAddress(name);