static int initTextures(void)
{
struct TexSquare *tsq=0;
GLfloat texpercx, texpercy;
int s;
int x=0, y=0;
// textures smaller than 64x64 might not be supported
s=64;
while (s<image_width)
s*=2;
texture_width=s;
s=64;
while (s<image_height)
s*=2;
texture_height=s;
if (!is_yuv)
gl_internal_format = getInternalFormat();
/* Test the max texture size */
do {
GLint w;
glTexImage2D (GL_PROXY_TEXTURE_2D, 0,
gl_internal_format,
texture_width, texture_height,
0, gl_bitmap_format, gl_bitmap_type, NULL);
glGetTexLevelParameteriv
(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
if (w >= texture_width)
break;
mp_msg (MSGT_VO, MSGL_V, "[gl_tiled] Needed texture [%dx%d] too big, trying ",
texture_width, texture_height);
if (texture_width > texture_height)
texture_width /= 2;
else
texture_height /= 2;
mp_msg (MSGT_VO, MSGL_V, "[%dx%d] !\n", texture_width, texture_height);
if(texture_width < 64 || texture_height < 64) {
mp_msg (MSGT_VO, MSGL_FATAL, "[gl_tiled] Give up .. usable texture size not available, or texture config error !\n");
return -1;
}
} while (texture_width > 1 && texture_height > 1);
#ifdef TEXTURE_WIDTH
texture_width = TEXTURE_WIDTH;
#endif
#ifdef TEXTURE_HEIGHT
texture_height = TEXTURE_HEIGHT;
#endif
texnumx = image_width / texture_width;
if ((image_width % texture_width) > 0)
texnumx++;
texnumy = image_height / texture_height;
if ((image_height % texture_height) > 0)
texnumy++;
mp_msg(MSGT_VO, MSGL_V, "[gl_tiled] Creating %dx%d textures of size %dx%d ...\n",
texnumx, texnumy, texture_width,texture_height);
/* Allocate the texture memory */
texpercx = (GLfloat) texture_width / (GLfloat) image_width;
texpercy = (GLfloat) texture_height / (GLfloat) image_height;
free(texgrid);
texgrid = calloc (texnumx * texnumy, sizeof (struct TexSquare));
raw_line_len = image_width * image_bytes;
mp_msg (MSGT_VO, MSGL_DBG2, "[gl_tiled] texture-usage %d*width=%d, %d*height=%d\n",
(int) texnumx, (int) texture_width, (int) texnumy,
(int) texture_height);
tsq = texgrid;
for (y = 0; y < texnumy; y++) {
for (x = 0; x < texnumx; x++) {
tsq->fx = x * texpercx;
tsq->fy = y * texpercy;
tsq->fw = texpercx;
tsq->fh = texpercy;
tsq->texobj=0;
tsq->uvtexobjs[0] = tsq->uvtexobjs[1] = 0;
glGenTextures (1, &(tsq->texobj));
glBindTexture (GL_TEXTURE_2D, tsq->texobj);
if (is_yuv) {
glGenTextures(2, tsq->uvtexobjs);
mpglActiveTexture(GL_TEXTURE1);
glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[0]);
mpglActiveTexture(GL_TEXTURE2);
glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[1]);
mpglActiveTexture(GL_TEXTURE0);
}
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width, texture_height, 0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
if (is_yuv) {
int xs, ys, depth;
int chroma_clear_val = 128;
mp_get_chroma_shift(image_format, &xs, &ys, &depth);
chroma_clear_val >>= -depth & 7;
mpglActiveTexture(GL_TEXTURE1);
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width >> xs, texture_height >> ys,
chroma_clear_val);
mpglActiveTexture(GL_TEXTURE2);
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width >> xs, texture_height >> ys,
chroma_clear_val);
mpglActiveTexture(GL_TEXTURE0);
}
tsq++;
} /* for all texnumx */
} /* for all texnumy */
return 0;
}
/**
* \brief Initialize a (new or reused) OpenGL context.
* set global gl-related variables to their default values
*/
static int initGl(uint32_t d_width, uint32_t d_height) {
GLint scale_type = get_scale_type(0);
autodetectGlExtensions();
gl_target = use_rectangle == 1 ? GL_TEXTURE_RECTANGLE : GL_TEXTURE_2D;
yuvconvtype = SET_YUV_CONVERSION(use_yuv) |
SET_YUV_LUM_SCALER(lscale) |
SET_YUV_CHROM_SCALER(cscale);
texSize(image_width, image_height, &texture_width, &texture_height);
mpglDisable(GL_BLEND);
mpglDisable(GL_DEPTH_TEST);
mpglDepthMask(GL_FALSE);
mpglDisable(GL_CULL_FACE);
mpglEnable(gl_target);
mpglDrawBuffer(vo_doublebuffering?GL_BACK:GL_FRONT);
mpglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
mp_msg(MSGT_VO, MSGL_V, "[gl] Creating %dx%d texture...\n",
texture_width, texture_height);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width, texture_height, 0);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
if (is_yuv) {
int i;
int xs, ys;
scale_type = get_scale_type(1);
mp_get_chroma_shift(image_format, &xs, &ys);
mpglGenTextures(21, default_texs);
default_texs[21] = 0;
for (i = 0; i < 7; i++) {
mpglActiveTexture(GL_TEXTURE1 + i);
mpglBindTexture(GL_TEXTURE_2D, default_texs[i]);
mpglBindTexture(GL_TEXTURE_RECTANGLE, default_texs[i + 7]);
mpglBindTexture(GL_TEXTURE_3D, default_texs[i + 14]);
}
mpglActiveTexture(GL_TEXTURE1);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width >> xs, texture_height >> ys, 128);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
mpglActiveTexture(GL_TEXTURE2);
glCreateClearTex(gl_target, gl_texfmt, gl_format, gl_type, scale_type,
texture_width >> xs, texture_height >> ys, 128);
if (mipmap_gen)
mpglTexParameteri(gl_target, GL_GENERATE_MIPMAP, GL_TRUE);
mpglActiveTexture(GL_TEXTURE0);
mpglBindTexture(gl_target, 0);
}
if (is_yuv || custom_prog)
{
if ((MASK_NOT_COMBINERS & (1 << use_yuv)) || custom_prog) {
if (!mpglGenPrograms || !mpglBindProgram) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
} else {
mpglGenPrograms(1, &fragprog);
mpglBindProgram(GL_FRAGMENT_PROGRAM, fragprog);
}
}
update_yuvconv();
}
resize(d_width, d_height);
mpglClearColor( 0.0f,0.0f,0.0f,0.0f );
mpglClear( GL_COLOR_BUFFER_BIT );
if (mpglSwapInterval && swap_interval >= 0)
mpglSwapInterval(swap_interval);
return 1;
}
/**
* 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);
}
