sdk: GL blitter

git-svn-id: svn://kolibrios.org@4502 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/render/render.h

@@ -0,0 +1,39 @@
+#ifndef __GL_RENDER_H__
+#define __GL_RENDER_H__
+
+#define EGL_EGLEXT_PROTOTYPES
+#define GL_GLEXT_PROTOTYPES
+
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+#include "GL/gl.h"
+
+enum px_buffer
+{
+    PX_FRONT = 0,
+    PX_BACK  = 1
+};
+
+struct render
+{
+    int fd;
+    EGLDisplay dpy;
+    EGLContext context;
+    EGLint dx, dy;
+    EGLint width, height;
+    EGLint scr_width, scr_height;
+    GLuint framebuffer;
+    EGLImageKHR front, back, screen;
+    GLuint tx_buffers[2];
+    GLuint tx_screen;
+    int back_buffer;
+    GLuint blit_prog;
+    GLint sampler;
+    float vertices[8], texcoords[8];
+};
+
+struct render* create_render(EGLDisplay dpy, EGLSurface surface, int dx, int dy);
+void render_blit(struct render *render, enum px_buffer buffer);
+void render_swap_and_blit(struct render *render);
+
+#endif  /* __GL_RENDER_H__ */