static void drawTextureDisplay (void)
{
struct TexSquare *square = texgrid;
int x, y;
glColor4f(1.0,1.0,1.0,1.0);
if (is_yuv)
glEnableYUVConversion(GL_TEXTURE_2D, use_yuv);
for (y = 0; y < texnumy; y++) {
int thish = texture_height;
if (y == texnumy - 1 && image_height % texture_height)
thish = image_height % texture_height;
for (x = 0; x < texnumx; x++) {
int thisw = texture_width;
if (x == texnumx - 1 && image_width % texture_width)
thisw = image_width % texture_width;
glBindTexture (GL_TEXTURE_2D, square->texobj);
if (is_yuv) {
mpglActiveTexture(GL_TEXTURE1);
glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[0]);
mpglActiveTexture(GL_TEXTURE2);
glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[1]);
mpglActiveTexture(GL_TEXTURE0);
}
if (texdirty) {
glUploadTex(GL_TEXTURE_2D, gl_bitmap_format, gl_bitmap_type,
square->texture, image_width * image_bytes,
0, 0, thisw, thish, 0);
}
glDrawTex(square->fx, square->fy, square->fw, square->fh,
0, 0, texture_width, texture_height,
texture_width, texture_height,
0, is_yuv, 0, 0);
square++;
} /* for all texnumx */
} /* for all texnumy */
if (is_yuv)
glDisableYUVConversion(GL_TEXTURE_2D, use_yuv);
texdirty = 0;
}
/**
* Creates the textures and the display list needed for displaying
* an OSD part.
* Callback function for vo_draw_text().
*/
static void create_osd_texture(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
// initialize to 8 to avoid special-casing on alignment
int sx = 8, sy = 8;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
if (w <= 0 || h <= 0 || stride < w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
return;
}
texSize(w, h, &sx, &sy);
if (osdtexCnt >= MAX_OSD_PARTS) {
mp_msg(MSGT_VO, MSGL_ERR, "Too many OSD parts, contact the developers!\n");
return;
}
// create Textures for OSD part
mpglGenTextures(1, &osdtex[osdtexCnt]);
mpglBindTexture(gl_target, osdtex[osdtexCnt]);
glCreateClearTex(gl_target, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
glUploadTex(gl_target, GL_LUMINANCE, GL_UNSIGNED_BYTE, src, stride,
0, 0, w, h, 0);
#ifndef FAST_OSD
mpglGenTextures(1, &osdatex[osdtexCnt]);
mpglBindTexture(gl_target, osdatex[osdtexCnt]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
{
int i;
char *tmp = malloc(stride * h);
// convert alpha from weird MPlayer scale.
// in-place is not possible since it is reused for future OSDs
for (i = h * stride - 1; i >= 0; i--)
tmp[i] = -srca[i];
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, tmp, stride,
0, 0, w, h, 0);
free(tmp);
}
#endif
mpglBindTexture(gl_target, 0);
// Create a list for rendering this OSD part
#ifndef FAST_OSD
osdaDispList[osdtexCnt] = mpglGenLists(1);
mpglNewList(osdaDispList[osdtexCnt], GL_COMPILE);
// render alpha
mpglBindTexture(gl_target, osdatex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
mpglEndList();
#endif
osdDispList[osdtexCnt] = mpglGenLists(1);
mpglNewList(osdDispList[osdtexCnt], GL_COMPILE);
// render OSD
mpglBindTexture(gl_target, osdtex[osdtexCnt]);
glDrawTex(x0, y0, w, h, 0, 0, w, h, sx, sy, use_rectangle == 1, 0, 0);
mpglEndList();
osdtexCnt++;
}
/**
* \brief construct display list from ass image list
* \param img image list to create OSD from.
* A value of NULL has the same effect as clearEOSD()
*/
static void genEOSD(struct mp_eosd_image_list *imgs) {
int sx, sy;
int tinytexcur = 0;
int smalltexcur = 0;
GLuint *curtex;
GLint scale_type = scaled_osd ? GL_LINEAR : GL_NEAREST;
struct mp_eosd_image *img = eosd_image_first(imgs);
struct mp_eosd_image *i;
if (imgs->changed == 0) // there are elements, but they are unchanged
return;
if (img && imgs->changed == 1) // there are elements, but they just moved
goto skip_upload;
clearEOSD();
if (!img)
return;
if (!largeeosdtex[0]) {
mpglGenTextures(2, largeeosdtex);
mpglBindTexture(gl_target, largeeosdtex[0]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
mpglBindTexture(gl_target, largeeosdtex[1]);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, LARGE_EOSD_TEX_SIZE, LARGE_EOSD_TEX_SIZE, 0);
}
for (i = img; i; i = eosd_image_next(imgs))
{
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
if (is_tinytex(i, tinytexcur))
tinytexcur++;
else if (is_smalltex(i, smalltexcur))
smalltexcur++;
else
eosdtexCnt++;
}
mp_msg(MSGT_VO, MSGL_DBG2, "EOSD counts (tiny, small, all): %i, %i, %i\n",
tinytexcur, smalltexcur, eosdtexCnt);
if (eosdtexCnt) {
eosdtex = calloc(eosdtexCnt, sizeof(GLuint));
mpglGenTextures(eosdtexCnt, eosdtex);
}
tinytexcur = smalltexcur = 0;
for (i = eosd_image_first(imgs), curtex = eosdtex; i; i = eosd_image_next(imgs)) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w) {
mp_msg(MSGT_VO, MSGL_V, "Invalid dimensions OSD for part!\n");
continue;
}
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
mpglBindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
mpglBindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
mpglBindTexture(gl_target, *curtex++);
glCreateClearTex(gl_target, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, scale_type, sx, sy, 0);
}
glUploadTex(gl_target, GL_ALPHA, GL_UNSIGNED_BYTE, i->bitmap, i->stride,
x, y, i->w, i->h, 0);
}
eosdDispList = mpglGenLists(1);
skip_upload:
mpglNewList(eosdDispList, GL_COMPILE);
tinytexcur = smalltexcur = 0;
for (i = eosd_image_first(imgs), curtex = eosdtex; i; i = eosd_image_next(imgs)) {
int x = 0, y = 0;
if (i->w <= 0 || i->h <= 0 || i->stride < i->w)
continue;
mpglColor4ub(i->color >> 24, (i->color >> 16) & 0xff, (i->color >> 8) & 0xff, 255 - (i->color & 0xff));
if (is_tinytex(i, tinytexcur)) {
tinytex_pos(tinytexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
mpglBindTexture(gl_target, largeeosdtex[0]);
tinytexcur++;
} else if (is_smalltex(i, smalltexcur)) {
smalltex_pos(smalltexcur, &x, &y);
sx = sy = LARGE_EOSD_TEX_SIZE;
mpglBindTexture(gl_target, largeeosdtex[1]);
smalltexcur++;
} else {
texSize(i->w, i->h, &sx, &sy);
mpglBindTexture(gl_target, *curtex++);
}
glDrawTex(i->dst_x, i->dst_y, i->w, i->h, x, y, i->w, i->h, sx, sy, use_rectangle == 1, 0, 0);
}
mpglEndList();
mpglBindTexture(gl_target, 0);
}