Moved a tonne of code around

src/dawn/display/render.h

@@ -0,0 +1,50 @@
+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../libs.h"
+#include "framebuffer.h"
+
+/**
+ * Contains information about the current render state, can be used for querying
+ * how the renderer is currently set up.
+ */
+typedef struct {
+  /** Resolution (in pixels). Floats to allow subpixels in future. */
+  float width, height;
+} render_t;
+
+/**
+ * Initialize the renderer.
+ */
+void renderInit();
+
+/**
+ * Render a single frame of the render loop. The renderer is not (currently)
+ * responsible for render looping.
+ * @param render The render manager
+ */
+void renderFrameStart(render_t *render);
+
+/**
+ * Cleanup a render context.
+ */
+void renderDispose();
+
+/**
+ * Sets the internal display resolution.
+ * 
+ * @param render Render context to resize.
+ * @param width Width of the display (in pixels).
+ * @param height Height of the display (in pixels).
+ */
+void renderSetResolution(render_t *render, float width, float height);
+
+/**
+ * Reset the framebuffer back to the original backbuffer.
+ * 
+ * @param render Render to reset the backbuffer to.
+ */
+void renderResetFramebuffer(render_t *render);