#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 "EGL/eglmesaext.h"
#include "GL/gl.h"

enum wl_drm_format {
    WL_DRM_FORMAT_C8 = 0x20203843,
    WL_DRM_FORMAT_RGB332 = 0x38424752,
    WL_DRM_FORMAT_BGR233 = 0x38524742,
    WL_DRM_FORMAT_XRGB4444 = 0x32315258,
    WL_DRM_FORMAT_XBGR4444 = 0x32314258,
    WL_DRM_FORMAT_RGBX4444 = 0x32315852,
    WL_DRM_FORMAT_BGRX4444 = 0x32315842,
    WL_DRM_FORMAT_ARGB4444 = 0x32315241,
    WL_DRM_FORMAT_ABGR4444 = 0x32314241,
    WL_DRM_FORMAT_RGBA4444 = 0x32314152,
    WL_DRM_FORMAT_BGRA4444 = 0x32314142,
    WL_DRM_FORMAT_XRGB1555 = 0x35315258,
    WL_DRM_FORMAT_XBGR1555 = 0x35314258,
    WL_DRM_FORMAT_RGBX5551 = 0x35315852,
    WL_DRM_FORMAT_BGRX5551 = 0x35315842,
    WL_DRM_FORMAT_ARGB1555 = 0x35315241,
    WL_DRM_FORMAT_ABGR1555 = 0x35314241,
    WL_DRM_FORMAT_RGBA5551 = 0x35314152,
    WL_DRM_FORMAT_BGRA5551 = 0x35314142,
    WL_DRM_FORMAT_RGB565 = 0x36314752,
    WL_DRM_FORMAT_BGR565 = 0x36314742,
    WL_DRM_FORMAT_RGB888 = 0x34324752,
    WL_DRM_FORMAT_BGR888 = 0x34324742,
    WL_DRM_FORMAT_XRGB8888 = 0x34325258,
    WL_DRM_FORMAT_XBGR8888 = 0x34324258,
    WL_DRM_FORMAT_RGBX8888 = 0x34325852,
    WL_DRM_FORMAT_BGRX8888 = 0x34325842,
    WL_DRM_FORMAT_ARGB8888 = 0x34325241,
    WL_DRM_FORMAT_ABGR8888 = 0x34324241,
    WL_DRM_FORMAT_RGBA8888 = 0x34324152,
    WL_DRM_FORMAT_BGRA8888 = 0x34324142,
    WL_DRM_FORMAT_XRGB2101010 = 0x30335258,
    WL_DRM_FORMAT_XBGR2101010 = 0x30334258,
    WL_DRM_FORMAT_RGBX1010102 = 0x30335852,
    WL_DRM_FORMAT_BGRX1010102 = 0x30335842,
    WL_DRM_FORMAT_ARGB2101010 = 0x30335241,
    WL_DRM_FORMAT_ABGR2101010 = 0x30334241,
    WL_DRM_FORMAT_RGBA1010102 = 0x30334152,
    WL_DRM_FORMAT_BGRA1010102 = 0x30334142,
    WL_DRM_FORMAT_YUYV = 0x56595559,
    WL_DRM_FORMAT_YVYU = 0x55595659,
    WL_DRM_FORMAT_UYVY = 0x59565955,
    WL_DRM_FORMAT_VYUY = 0x59555956,
    WL_DRM_FORMAT_AYUV = 0x56555941,
    WL_DRM_FORMAT_NV12 = 0x3231564e,
    WL_DRM_FORMAT_NV21 = 0x3132564e,
    WL_DRM_FORMAT_NV16 = 0x3631564e,
    WL_DRM_FORMAT_NV61 = 0x3136564e,
    WL_DRM_FORMAT_YUV410 = 0x39565559,
    WL_DRM_FORMAT_YVU410 = 0x39555659,
    WL_DRM_FORMAT_YUV411 = 0x31315559,
    WL_DRM_FORMAT_YVU411 = 0x31315659,
    WL_DRM_FORMAT_YUV420 = 0x32315559,
    WL_DRM_FORMAT_YVU420 = 0x32315659,
    WL_DRM_FORMAT_YUV422 = 0x36315559,
    WL_DRM_FORMAT_YVU422 = 0x36315659,
    WL_DRM_FORMAT_YUV444 = 0x34325559,
    WL_DRM_FORMAT_YVU444 = 0x34325659,
};

struct bitmap
{
    uint32_t    width;
    uint32_t    height;
    uint32_t    pitch;
    void       *buffer;
    GLuint      tex;
    GLuint      handle;
    GLuint      name;
    EGLImageKHR image;
};

struct planar
{
    uint32_t    width;
    uint32_t    height;
    GLuint      name;
    int         num_planes;
    EGLImageKHR planar_image;
    EGLImageKHR image[3];
    GLuint      offset[3];
    GLuint      pitch[3];
    GLuint      tex[3];
};

enum
{
    TEX_SCREEN = 0,
    TEX_MASK   = 1
};

struct shader
{
    GLuint blit_prog;
    GLint sampler0;             /* rgba or y texture */
    GLint sampler1;             /* u or uv   texture */
    GLint sampler2;             /* v texture         */
    GLint sm_mask;              /* alpha texture     */
};

struct render
{
    int fd;
    EGLDisplay dpy;
    EGLContext context;
    EGLint dx;
    EGLint dy;
    EGLint width;
    EGLint height;
    EGLint scr_width;
    EGLint scr_height;
    GLuint texture[2];
    GLuint framebuffer;
    EGLImageKHR screen;
    struct bitmap mask;

    int    mask_size;
    struct shader shader_rgba;
    struct shader shader_y_uv;

    float vertices[8],tc_src[8];
};

int egl_initialize(EGLDisplay *dpy, EGLConfig *config, EGLContext *context);
void egl_destroy(EGLDisplay dpy, EGLContext context);

#define ENTER()   printf("enter %s\n",__FUNCTION__)
#define LEAVE()   printf("leave %s\n",__FUNCTION__)
#define FAIL()    printf("fail %s\n",__FUNCTION__)

#ifdef DEBUG
#define DBG(...) do {                   \
    fprintf(stderr, __VA_ARGS__);       \
} while (0)
#else
#define DBG(...)
#endif

#endif  /* __GL_RENDER_H__ */