static void resize(int x,int y){
// simple orthogonal projection for 0-image_width;0-image_height
float matrix[16] = {
2.0/image_width, 0, 0, 0,
0, -2.0/image_height, 0, 0,
0, 0, 0, 0,
-1, 1, 0, 1
};
mp_msg(MSGT_VO, MSGL_V, "[gl] Resize: %dx%d\n",x,y);
if (WinID >= 0) {
int left = 0, top = 0, w = x, h = y;
geometry(&left, &top, &w, &h, vo_dwidth, vo_dheight);
top = y - h - top;
mpglViewport(left, top, w, h);
} else
mpglViewport( 0, 0, x, y );
mpglMatrixMode(GL_PROJECTION);
ass_border_x = ass_border_y = 0;
if (aspect_scaling() && use_aspect) {
int new_w, new_h;
GLdouble scale_x, scale_y;
aspect(&new_w, &new_h, A_WINZOOM);
panscan_calc_windowed();
new_w += vo_panscan_x;
new_h += vo_panscan_y;
scale_x = (GLdouble)new_w / (GLdouble)x;
scale_y = (GLdouble)new_h / (GLdouble)y;
matrix[0] *= scale_x;
matrix[12] *= scale_x;
matrix[5] *= scale_y;
matrix[13] *= scale_y;
ass_border_x = (vo_dwidth - new_w) / 2;
ass_border_y = (vo_dheight - new_h) / 2;
}
mpglLoadMatrixf(matrix);
mpglMatrixMode(GL_MODELVIEW);
mpglLoadIdentity();
if (!scaled_osd) {
#ifdef CONFIG_FREETYPE
// adjust font size to display size
force_load_font = 1;
#endif
vo_osd_changed(OSDTYPE_OSD);
}
mpglClear(GL_COLOR_BUFFER_BIT);
redraw();
}
/**
* \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;
}
