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#include 

#include 

#include 

#include 

#include 

#include "pixlib3.h"

#include "pixdriver.h"

#include "pxgl.h"

#define WIN_STATE_MINIMIZED  0x02

#define WIN_STATE_ROLLED     0x04

#define LINE()    printf("%s line %d\n", __FUNCTION__,__LINE__)

static int drm_ioctl(int fd, unsigned long request, void *arg)

{

    ioctl_t  io;

    io.handle   = fd;

    io.io_code  = request;

    io.input    = arg;

    io.inp_size = 64;

    io.output   = NULL;

    io.out_size = 0;

    return call_service(&io);

}

static EGLImageKHR px_create_image(struct render *px,void *name,GLuint tex, EGLint *attribs)

{

    EGLImageKHR image;

    image = eglCreateImageKHR(px->dpy, px->context,

                              EGL_DRM_BUFFER_MESA, name, attribs);

    if(image == NULL)

        goto err_0;

    glBindTexture(GL_TEXTURE_2D, tex);

    if(glGetError() != GL_NO_ERROR)

       goto err_1;

    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);

    if(glGetError() != GL_NO_ERROR)

       goto err_1;

    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);

    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);

    return image;

err_1:

    eglDestroyImageKHR(px->dpy, image);

err_0:

    return NULL;

};

static int update_fb(struct render *px, int name, int pitch)

{

    GLenum      status;

    EGLImageKHR screen;

    EGLint attribs[] = {

        EGL_WIDTH, px->scr_width,

        EGL_HEIGHT, px->scr_height,

        EGL_DRM_BUFFER_STRIDE_MESA, pitch/4,

        EGL_DRM_BUFFER_FORMAT_MESA,

        EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,

        EGL_DRM_BUFFER_USE_MESA,

        EGL_DRM_BUFFER_USE_SHARE_MESA |

        EGL_DRM_BUFFER_USE_SCANOUT_MESA,

        EGL_NONE

    };

    char *errmsg;

    px->screen = px_create_image(px,(void*)name, px->texture[TEX_SCREEN], attribs);

    errmsg = "failed to create new screen image\n";

    if(px->screen == EGL_NO_IMAGE_KHR)

        goto err_0;

    px->screen = screen;

    glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,

                       GL_TEXTURE_2D, px->texture[TEX_SCREEN],0);

    status = glCheckFramebufferStatus(GL_FRAMEBUFFER);

    if (status != GL_FRAMEBUFFER_COMPLETE)

    {

        const char *str;

        switch (status)

        {

            case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:

                str = "incomplete attachment";

                break;

            case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:

                str = "incomplete/missing attachment";

                break;

            case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:

                str = "incomplete draw buffer";

                break;

            case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:

                str = "incomplete read buffer";

                break;

            case GL_FRAMEBUFFER_UNSUPPORTED:

                str = "unsupported";

                break;

            case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:

                str = "incomplete multiple";

                break;

            default:

                str = "unknown error";

                break;

        }

        DBG("destination framebuffer incomplete: %s [%#x]\n", str, status);

        return -1;

    };

    DBG("framebuffer changed successfull\n");

    glViewport(0, 0, px->scr_width, px->scr_height);

    return 0;

err_0:

    DBG("%s %s\n", __FUNCTION__, errmsg);

    return -1;

};

static void *px_create_obj(struct render *px, size_t size,

                           GLuint *handle, GLuint *name)

{

    struct drm_i915_gem_create create;

    struct drm_i915_gem_mmap mmap_arg;

    struct drm_gem_close close;

    struct drm_gem_flink flink;

    create.size   = size;

    create.handle = 0;

    if(drm_ioctl(px->fd, DRM_IOCTL_I915_GEM_CREATE, &create))

        goto err_0;

    *handle      = create.handle;

    flink.handle = create.handle;

    if (drm_ioctl(px->fd, DRM_IOCTL_GEM_FLINK, &flink))

        goto err_1;

    *name = flink.name;

    mmap_arg.handle = *handle;

    mmap_arg.offset = 0;

    mmap_arg.size   = size;

    if (drm_ioctl(px->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))

    {

        DBG("%s: failed to mmap bitmap handle=%d, %d bytes, into CPU domain\n",

               __FUNCTION__, *handle, size);

        goto err_1;

    };

    return (void*)(uintptr_t)mmap_arg.addr_ptr;

err_1:

    close.handle = *handle;

    drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

err_0:

    return NULL;

};

static int px_create_bitmap(struct render *px, struct bitmap *bitmap,

                            size_t size, EGLint format)

{

    struct drm_gem_close close;

    EGLint attribs[] = {

        EGL_WIDTH, bitmap->width,

        EGL_HEIGHT, bitmap->height,

        EGL_DRM_BUFFER_STRIDE_MESA, 0,

        EGL_DRM_BUFFER_FORMAT_MESA,

        format,

        EGL_DRM_BUFFER_USE_MESA,

        EGL_DRM_BUFFER_USE_SHARE_MESA,

        EGL_NONE

    };

    bitmap->buffer = px_create_obj(px, size, &bitmap->handle, &bitmap->name);

    if(bitmap->buffer == NULL)

        goto err_0;

    switch(format)

    {

        case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:

            attribs[5] = bitmap->pitch/4;

            break;

        case EGL_DRM_BUFFER_FORMAT_R8_MESA:

            attribs[5] = bitmap->pitch;

            break;

        default:

            DBG("%s invalid format %x\n",

                    __FUNCTION__, format);

            goto err_1;

    }

    bitmap->image = px_create_image(px,(void*)bitmap->name,

                                    bitmap->tex, attribs);

    if(bitmap->image == NULL)

        goto err_1;

    DBG("create bitmap:%p %dx%d pitch:%d\n"

           "KHRimage:%p gl_tex:%d handle:%d name:%d\n"

           "mapped at %x\n",

            bitmap, bitmap->width, bitmap->height, bitmap->pitch,

            bitmap->image, bitmap->tex, bitmap->handle, bitmap->name,

            bitmap->buffer);

    return 0;

err_1:

    user_free(bitmap->buffer);

    close.handle = bitmap->handle;

    drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

err_0:

    return -1;

}

static int create_mask(struct render *px)

{

    struct drm_i915_mask_update update;

    int    pitch;

    pitch = (px->width+15) & ~15;

    px->mask.width  = px->width;

    px->mask.height = px->height;

    px->mask.pitch  = pitch;

    px->mask.tex    = px->texture[TEX_MASK];

    px->mask_size   = pitch * px->height;

    if(px_create_bitmap(px, &px->mask, px->mask_size,

                         EGL_DRM_BUFFER_FORMAT_R8_MESA) == 0)

    {

        update.handle = px->mask.handle;

        update.dx     = px->dx;

        update.dy     = px->dy;

        update.width  = px->width;

        update.height = px->height;

        update.bo_pitch = (px->width+15) & ~15;

        update.bo_map = (int)px->mask.buffer;

        update.forced = 1;

        drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update);

        return 0;

    };

    return -1;

};

static int update_mask(struct render *px)

{

    struct drm_gem_close close;

    EGLint attribs[] = {

        EGL_WIDTH, 0,

        EGL_HEIGHT, 0,

        EGL_DRM_BUFFER_STRIDE_MESA, 0,

        EGL_DRM_BUFFER_FORMAT_MESA,

        EGL_DRM_BUFFER_FORMAT_R8_MESA,

        EGL_DRM_BUFFER_USE_MESA,

        EGL_DRM_BUFFER_USE_SHARE_MESA,

        EGL_NONE

    };

    unsigned int size, pitch;

    eglDestroyImageKHR(px->dpy, px->mask.image);

    pitch = (px->width+15) & ~15;

    size = pitch*px->height;

    if(size > px->mask_size)

    {

        user_free(px->mask.buffer);

        close.handle = px->mask.handle;

        drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

        px->mask_size = size;

        px->mask.buffer = px_create_obj(px, px->mask_size,

                                      &px->mask.handle, &px->mask.name);

        if(px->mask.buffer == 0)

            goto err_0;

    };

    attribs[1] = px->width;

    attribs[3] = px->height;

    attribs[5] = pitch;

    px->mask.image = px_create_image(px,(void*)px->mask.name,

                                     px->mask.tex, attribs);

    if(px->mask.image == NULL)

        goto err_1;

    DBG("create mask w:%d h:%d pitch:%d\n"

        "KHRimage:%p gl_tex:%d handle:%d name:%d\n"

        "mapped at %x\n",

         px->width, px->height,

         pitch, px->mask.image, px->texture[TEX_MASK],

         px->mask.handle, px->mask.name, px->mask.buffer);

    return 0;

err_1:

    user_free(px->mask.buffer);

    close.handle = px->mask.handle;

    drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

err_0:

    return -1;

};

static GLint create_shader(GLenum type, const char *source)

{

    GLint ok;

    GLint shader;

    shader = glCreateShader(type);

    if(shader == 0)

        goto err;

    glShaderSource(shader, 1, (const GLchar **) &source, NULL);

    glCompileShader(shader);

    glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);

    if (!ok) {

        GLchar *info;

        GLint size;

        glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);

        info = malloc(size);

        glGetShaderInfoLog(shader, size, NULL, info);

        DBG("Failed to compile %s: %s\n",

                type == GL_FRAGMENT_SHADER ? "FS" : "VS",info);

        DBG("Program source:\n%s", source);

        DBG("GLSL compile failure\n");

        free(info);

        glDeleteShader(shader);

        shader = 0;

    };

    DBG("create shader %d\n", shader);

err:

    return shader;

}

static GLuint create_rgba_shader(struct shader *shader)

{

    const char *vs_src =

        "attribute vec4 v_position;\n"

        "attribute vec4 v_texcoord0;\n"

        "varying vec2 tex_coord;\n"

        "void main()\n"

        "{\n"

        "   gl_Position = v_position;\n"

        "   tex_coord   = v_texcoord0.xy;\n"

        "}\n";

    const char *fs_rgba =

        "uniform sampler2D tex_rgba;\n"

        "uniform sampler2D tex_mask;\n"

        "varying vec2 tex_coord;\n"

        "void main()\n"

        "{\n"

        "   float ca = texture2D(tex_mask, tex_coord).r;\n"

        "   gl_FragColor = vec4(texture2D(tex_rgba, tex_coord).rgb, ca);\n"

        "}\n";

    GLuint prog;

    GLint  vs_shader, fs_shader;

    int ret;

    prog = glCreateProgram();

    if(prog == 0)

        goto err;

    vs_shader = create_shader(GL_VERTEX_SHADER, vs_src);

    if(vs_shader == 0)

        goto err;

    fs_shader = create_shader(GL_FRAGMENT_SHADER, fs_rgba);

    if(fs_shader == 0)

        goto err;

    glAttachShader(prog, vs_shader);

    glAttachShader(prog, fs_shader);

    glBindAttribLocation(prog, 0, "v_position");

    glBindAttribLocation(prog, 1, "v_texcoord0");

    glLinkProgram(prog);

    glGetProgramiv(prog, GL_LINK_STATUS, &ret);

    if (!ret)

    {

        GLchar *info;

        GLint size;

        glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &size);

        info = malloc(size);

        glGetProgramInfoLog(prog, size, NULL, info);

        DBG("Failed to link: %s\n", info);

        DBG("GLSL link failure\n");

        free(info);

        goto err;

    }

    shader->sampler0  = glGetUniformLocation(prog,"tex_rgba");

    shader->sm_mask   = glGetUniformLocation(prog,"tex_mask");

    shader->blit_prog = prog;

    return prog;

err:

    return 0;

}

static GLuint create_y_uv_shader(struct shader *shader)

{

    const char *vs_src =

        "attribute vec4 v_position;\n"

        "attribute vec4 v_texcoord0;\n"

        "varying vec2 tex_coord;\n"

        "void main()\n"

        "{\n"

        "   gl_Position = v_position;\n"

        "   tex_coord   = v_texcoord0.xy;\n"

        "}\n";

    const char *fs_y_uv =

        "uniform sampler2D tex_src_y;\n"

        "uniform sampler2D tex_src_uv;\n"

        "uniform sampler2D tex_mask;\n"

        "varying vec2 tex_coord;\n"

        "void main()\n"

        "{\n"

        "   float y = 1.16438356 * (texture2D(tex_src_y, tex_coord).x - 0.0625);\n"

        "   float u = texture2D(tex_src_uv, tex_coord).r - 0.5;\n"

        "   float v = texture2D(tex_src_uv, tex_coord).g - 0.5;\n"

        "   gl_FragColor.r = y + 1.59602678 * v;\n"          \

        "   gl_FragColor.g = y - 0.39176229 * u - 0.81296764 * v;\n" \

        "   gl_FragColor.b = y + 2.01723214 * u;\n"          \

        "   gl_FragColor.a = texture2D(tex_mask, tex_coord).r;\n"

        "}\n";

    GLuint prog;

    GLint  vs_shader, fs_shader;

    int ret;

    prog = glCreateProgram();

    if(prog == 0)

        goto err;

    vs_shader = create_shader(GL_VERTEX_SHADER, vs_src);

    if(vs_shader == 0)

        goto err;

    fs_shader = create_shader(GL_FRAGMENT_SHADER, fs_y_uv);

    if(fs_shader == 0)

        goto err;

    glAttachShader(prog, vs_shader);

    glAttachShader(prog, fs_shader);

    glBindAttribLocation(prog, 0, "v_position");

    glBindAttribLocation(prog, 1, "v_texcoord0");

    glLinkProgram(prog);

    glGetProgramiv(prog, GL_LINK_STATUS, &ret);

    if (!ret)

    {

        GLchar *info;

        GLint size;

        glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &size);

        info = malloc(size);

        glGetProgramInfoLog(prog, size, NULL, info);

        DBG("Failed to link: %s\n", info);

        DBG("GLSL link failure\n");

        free(info);

        goto err;

    }

    shader->sampler0  = glGetUniformLocation(prog,"tex_src_y");

    shader->sampler1  = glGetUniformLocation(prog,"tex_src_uv");

    shader->sm_mask   = glGetUniformLocation(prog,"tex_mask");

    shader->blit_prog = prog;

    return prog;

err:

    return 0;

}

static struct render* create_render(EGLDisplay dpy, EGLContext context, int dx, int dy, int w, int h)

{

    struct drm_i915_fb_info fb;

    struct render *px;

    int    ret;

    px = (struct render*)malloc(sizeof(struct render));

    if(px == NULL)

        goto err_0;

    px->fd  = get_service("DISPLAY");

    __builtin_memset(&fb, 0, sizeof(fb));

    if( 0 != drm_ioctl(px->fd, SRV_FBINFO, &fb))

    {   DBG("failed to get framebuffer info\n");

        goto err_1;

    };

    px->dpy     = dpy;

    px->context = context;

    px->dx      = dx;

    px->dy      = dy;

    px->width   = w;

    px->height  = h;

    px->scr_width  = fb.width;

    px->scr_height = fb.height;

    glGenTextures(2, px->texture);

    if(glGetError() != GL_NO_ERROR)

       goto err_1;

    glGenFramebuffers(1, &px->framebuffer);

    if(glGetError() != GL_NO_ERROR)

       goto err_2;

    glBindFramebuffer(GL_FRAMEBUFFER, px->framebuffer);

    if(glGetError() != GL_NO_ERROR)

       goto err_3;

    if(update_fb(px, fb.name, fb.pitch))

       goto err_4;

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

    glMatrixMode(GL_MODELVIEW);

    glLoadIdentity();

    if(create_mask(px))

        goto err_4;

    create_y_uv_shader(&px->shader_y_uv);

    create_rgba_shader(&px->shader_rgba);

    glEnableClientState(GL_VERTEX_ARRAY);

    glVertexAttribPointer(0, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),px->vertices);

    glEnableVertexAttribArray(0);

    glVertexAttribPointer(1, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),px->tc_src);

    glEnableVertexAttribArray(1);

    glEnable(GL_BLEND);

    glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);

    px->tc_src[0]    = 0.0;

    px->tc_src[1]    = 0.0;

    px->tc_src[1*2]  = 1.0;

    px->tc_src[1*2+1]= 0.0;

    px->tc_src[2*2]  = 1.0;

    px->tc_src[2*2+1]= 1.0;

    px->tc_src[3*2]  = 0.0;

    px->tc_src[3*2+1]= 1.0;

    DBG("create render framebuffer:%p %dx%d pitch:%d name %d\n",

        px->screen,fb.width, fb.height, fb.pitch, fb.name);

    return px;

err_4:

    glBindFramebuffer(GL_FRAMEBUFFER, 0);

err_3:

    glDeleteFramebuffers(1, &px->framebuffer);

err_2:

    glDeleteTextures(2, px->texture);

err_1:

    free(px);

err_0:

    return NULL;

};

static struct render *px;

static bitmap_t *hw_create_bitmap(uint32_t width, uint32_t height)

{

    struct bitmap *bitmap;

    bitmap = malloc(sizeof(struct bitmap));

    if(bitmap == NULL)

        return NULL;

    glGenTextures(1, &bitmap->tex);

    if(glGetError() != GL_NO_ERROR)

       goto err_0;

    bitmap->width   = width;

    bitmap->height  = height;

    bitmap->pitch   = (width*4 + 15) & ~15;

    if(px_create_bitmap(px, bitmap, bitmap->pitch * bitmap->height,

                         EGL_DRM_BUFFER_FORMAT_ARGB32_MESA) == 0)

    {

        return bitmap;

    };

    glDeleteTextures(1, &bitmap->tex);

err_0:

    free(bitmap);

    return NULL;

};

static planar_t* hw_create_planar(EGLint name, EGLint format, uint32_t width, uint32_t height,

                            uint32_t offset0, uint32_t pitch0,

                            uint32_t offset1, uint32_t pitch1,

                            uint32_t offset2, uint32_t pitch2)

{

    struct drm_gem_close close;

    planar_t *planar;

    EGLImageKHR img;

    int num_planes;

    int i;

    EGLint attribs[] = {

        EGL_WIDTH, width,

        EGL_HEIGHT,height,

        EGL_DRM_BUFFER_FORMAT_MESA, format,

        EGL_DMA_BUF_PLANE0_OFFSET_EXT, offset0,

        EGL_DMA_BUF_PLANE0_PITCH_EXT, pitch0,

        EGL_DMA_BUF_PLANE1_OFFSET_EXT, offset1,

        EGL_DMA_BUF_PLANE1_PITCH_EXT, pitch1,

        EGL_DMA_BUF_PLANE2_OFFSET_EXT, offset2,

        EGL_DMA_BUF_PLANE2_PITCH_EXT, pitch2,

        EGL_NONE, EGL_NONE

    };

    switch (format)

    {

        case WL_DRM_FORMAT_NV12:

            num_planes = 2;

            break;

        case EGL_TEXTURE_Y_U_V_WL:

            num_planes = 3;

            break;

        case EGL_TEXTURE_Y_XUXV_WL:

            num_planes = 2;

            break;

        default:

            num_planes = 0;

    }

//    printf("%s num_planes %d\n", __FUNCTION__, num_planes);

    if(num_planes == 0)

        goto fail;

    planar = calloc(1, sizeof(struct planar));

    if(planar == NULL)

        goto fail;

    img = eglCreatePlanarImage(px->dpy, px->context, (EGLClientBuffer)name, attribs);

    if(img == NULL)

        goto err_0;

    planar->width  = width;

    planar->height = height;

    planar->name   = name;

    planar->planar_image = img;

    planar->offset[0] = offset0;

    planar->offset[1] = offset1;

    planar->offset[2] = offset2;

    planar->pitch[0] = pitch0;

    planar->pitch[1] = pitch1;

    planar->pitch[2] = pitch2;

    glGenTextures(num_planes, &planar->tex[0]);

    for(i = 0; i < num_planes; i++)

    {

        EGLImageKHR image;

        EGLint attr[3];

        attr[0] = EGL_WAYLAND_PLANE_WL;

        attr[1] = i;

        attr[2] = EGL_NONE;

        image = eglCreateImageKHR(px->dpy, px->context,

                                   EGL_WAYLAND_BUFFER_WL,(EGLClientBuffer)img, attr);

        planar->image[i] = image;

        glBindTexture(GL_TEXTURE_2D, planar->tex[i]);

        if(glGetError() != GL_NO_ERROR)

        {

            goto fail;

        };

        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);

        if(glGetError() != GL_NO_ERROR)

        {

            goto fail;

        }

        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);

        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);

    };

    return planar;

err_0:

    free(planar);

fail:

    return NULL;

}

static int hw_destroy_bitmap(bitmap_t * bitmap)

{

    struct drm_gem_close close;

    glDeleteTextures(1, &bitmap->tex);

    eglDestroyImageKHR(px->dpy, bitmap->image);

    user_free(bitmap->buffer);

    close.handle = bitmap->handle;

    drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

    free(bitmap);

};

static void *hw_lock_bitmap(bitmap_t *bitmap, uint32_t *pitch)

{

    *pitch = bitmap->pitch;

    return bitmap->buffer;

};

static int hw_resize_bitmap(bitmap_t * bitmap, uint32_t width, uint32_t height)

{

    return 0;

}

char proc_info[1024];

static int hw_blit(bitmap_t *bitmap, int dst_x, int dst_y,

                   uint32_t w, uint32_t h, int src_x, int src_y)

{

    struct drm_i915_mask_update update;

    struct drm_i915_fb_info fb;

    uint32_t winx, winy, winw, winh;

    uint8_t  state;

    float xscale, yscale;

    int r, b;

    float *vertices  = px->vertices;

    get_proc_info(proc_info);

    state  = *(uint8_t*)(proc_info+70);

    if(state & (WIN_STATE_MINIMIZED|WIN_STATE_ROLLED))

        return;

    winx = *(uint32_t*)(proc_info+34);

    winy = *(uint32_t*)(proc_info+38);

    winw = *(uint32_t*)(proc_info+42)+1;

    winh = *(uint32_t*)(proc_info+46)+1;

    __builtin_memset(&fb, 0, sizeof(fb));

    if( 0 != drm_ioctl(px->fd, SRV_FBINFO, &fb))

    {

        DBG("failed to get framebuffer info\n");

        return;

    };

    if( fb.width  != px->scr_width ||

        fb.height != px->scr_height )

    {

        px->scr_width  = fb.width;

        px->scr_height = fb.height;

        eglDestroyImageKHR(px->dpy, px->screen);

        if(update_fb(px, fb.name, fb.pitch))

            return;

    };

    update.handle = px->mask.handle;

    update.dx     = px->dx;

    update.dy     = px->dy;

    update.width  = px->width;

    update.height = px->height;

    update.bo_pitch = (px->width+15) & ~15;

    update.bo_map = (int)px->mask.buffer;

    if(drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update))

    {

        return;

    }

    xscale = 1.0/px->scr_width;

    yscale = 1.0/px->scr_height;

    r = winx + px->dx + px->width;

    b = winy + px->dy + px->height;

    float t0, t1, t2, t5;

//    render->tc_src[1*2]  = 1.0;

//    render->tc_src[2*2]  = 1.0;

//    render->tc_src[2*2+1]= 1.0;

//    render->tc_src[3*2+1]= 1.0;

    vertices[0]     = t0 = 2*(winx+px->dx)*xscale - 1.0;

    vertices[1 * 2] = t2 = 2*r*xscale - 1.0;

    vertices[2 * 2] = t2;

    vertices[3 * 2] = t0;

    vertices[1]     = t1 = 2*(winy+px->dy)*yscale - 1.0;

    vertices[2*2+1] = t5 = 2*b*yscale - 1.0;

    vertices[1*2+1] = t1;

    vertices[3*2+1] = t5;

    struct shader *shader = &px->shader_rgba;

    glUseProgram(shader->blit_prog);

    glUniform1i(shader->sampler0, 0);

    glUniform1i(shader->sm_mask, 1);

    glActiveTexture(GL_TEXTURE0);

    glBindTexture(GL_TEXTURE_2D, bitmap->tex);

    glActiveTexture(GL_TEXTURE1);

    glBindTexture(GL_TEXTURE_2D, px->texture[TEX_MASK]);

    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);

    glFlush();

    return;

};

static int hw_blit_planar(planar_t *planar, int dst_x, int dst_y,

                   uint32_t w, uint32_t h, int src_x, int src_y)

{

    struct drm_i915_mask_update update;

    struct drm_i915_fb_info fb;

    uint32_t winx, winy, winw, winh;

    uint8_t  state;

    float xscale, yscale;

    int r, b;

    float *vertices  = px->vertices;

    get_proc_info(proc_info);

    state  = *(uint8_t*)(proc_info+70);

    if(state & (WIN_STATE_MINIMIZED|WIN_STATE_ROLLED))

        return;

    winx = *(uint32_t*)(proc_info+34);

    winy = *(uint32_t*)(proc_info+38);

    winw = *(uint32_t*)(proc_info+42)+1;

    winh = *(uint32_t*)(proc_info+46)+1;

    __builtin_memset(&fb, 0, sizeof(fb));

    if( 0 != drm_ioctl(px->fd, SRV_FBINFO, &fb))

    {

        DBG("failed to get framebuffer info\n");

        return;

    };

    if( fb.width  != px->scr_width ||

        fb.height != px->scr_height )

    {

        px->scr_width  = fb.width;

        px->scr_height = fb.height;

        eglDestroyImageKHR(px->dpy, px->screen);

        if(update_fb(px, fb.name, fb.pitch))

            return;

    };

    update.handle = px->mask.handle;

    update.dx     = px->dx;

    update.dy     = px->dy;

    update.width  = px->width;

    update.height = px->height;

    update.bo_pitch = (px->width+15) & ~15;

    update.bo_map = (int)px->mask.buffer;

    if(drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update))

    {

        return;

    }

    xscale = 1.0/px->scr_width;

    yscale = 1.0/px->scr_height;

    r = winx + px->dx + px->width;

    b = winy + px->dy + px->height;

    float t0, t1, t2, t5;

//    render->tc_src[1*2]  = 1.0;

//    render->tc_src[2*2]  = 1.0;

//    render->tc_src[2*2+1]= 1.0;

//    render->tc_src[3*2+1]= 1.0;

    vertices[0]     = t0 = 2*(winx+px->dx)*xscale - 1.0;

    vertices[1 * 2] = t2 = 2*r*xscale - 1.0;

    vertices[2 * 2] = t2;

    vertices[3 * 2] = t0;

    vertices[1]     = t1 = 2*(winy+px->dy)*yscale - 1.0;

    vertices[2*2+1] = t5 = 2*b*yscale - 1.0;

    vertices[1*2+1] = t1;

    vertices[3*2+1] = t5;

    struct shader *shader = &px->shader_y_uv;

    glUseProgram(shader->blit_prog);

    glUniform1i(shader->sampler0, 0);

    glUniform1i(shader->sampler1, 1);

    glUniform1i(shader->sm_mask, 2);

    glActiveTexture(GL_TEXTURE0);

    glBindTexture(GL_TEXTURE_2D, planar->tex[0]);

    glActiveTexture(GL_TEXTURE1);

    glBindTexture(GL_TEXTURE_2D, planar->tex[1]);

    glActiveTexture(GL_TEXTURE2);

    glBindTexture(GL_TEXTURE_2D, px->texture[TEX_MASK]);

    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);

    glFlush();

    return;

};

static int hw_create_client(int x, int y, uint32_t width, uint32_t height)

{

    px = create_render(eglGetCurrentDisplay(), eglGetCurrentContext(), x, y, width, height);

    return !px;

};

static int hw_resize_client(int x, int y, uint32_t width, uint32_t height)

{

    if( x != px->dx ||

        y != px->dy ||

        width != px->width ||

        height != px->height )

    {

        struct drm_i915_mask_update update;

        px->dx     = x;

        px->dy     = y;

        px->width  = width;

        px->height = height;

        update_mask(px);

        update.handle = px->mask.handle;

        update.dx     = px->dx;

        update.dy     = px->dy;

        update.width  = px->width;

        update.height = px->height;

        update.bo_pitch = (px->width+15) & ~15;

        update.bo_map = (int)px->mask.buffer;

        update.forced = 1;

        drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update);

    };

    return 0;

};

static void hw_fini(void)

{

    struct drm_gem_close close;

    DBG("%s\n", __FUNCTION__);

    eglDestroyImageKHR(px->dpy, px->mask.image);

    user_free(px->mask.buffer);

    close.handle = px->mask.handle;

    drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);

    glBindFramebuffer(GL_FRAMEBUFFER, 0);

    glDeleteFramebuffers(1, &px->framebuffer);

    eglDestroyImageKHR(px->dpy, px->screen);

    glDeleteTextures(2, px->texture);

    egl_destroy(px->dpy, px->context);

    free(px);

};

static struct pix_driver gl_driver =

{

    HW_TEX_BLIT,

    hw_create_bitmap,

    hw_destroy_bitmap,

    hw_lock_bitmap,

    hw_resize_bitmap,

    hw_blit,

    hw_create_client,

    hw_resize_client,

    hw_fini,

    hw_create_planar,

    hw_blit_planar

};

struct pix_driver *DrvInit(uint32_t service)

{

    EGLDisplay     dpy;

    EGLConfig      config;

    EGLContext     context;

    int            ret;

    ret = egl_initialize(&dpy, &config, &context);

    if( ret )

        return NULL;

    return &gl_driver;

err_0:

    egl_destroy(dpy, context);

    return NULL;

}