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Add ati-hack suboption that aligns the lines to 32/64 bytes for PBO transfers

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to avoid what is probably a bug in the driver.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26709 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2008-05-10 11:48:17 +00:00
parent f7924f3fdd
commit c5d4e7908d
1 changed files with 7 additions and 0 deletions
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7
libvo/vo_gl.c
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@ -80,6 +80,7 @@ static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static int many_fmts;
static int ati_hack;
static int use_glFinish;
static int swap_interval;
static GLenum gl_target;
@ -672,6 +673,8 @@ static uint32_t get_image(mp_image_t *mpi) {
if (!gl_buffer)
GenBuffers(1, &gl_buffer);
BindBuffer(GL_PIXEL_UNPACK_BUFFER, gl_buffer);
if (ati_hack)
mpi->width = (mpi->width + 63) & ~63;
mpi->stride[0] = mpi->width * mpi->bpp / 8;
if (mpi->stride[0] * mpi->height > gl_buffersize) {
BufferData(GL_PIXEL_UNPACK_BUFFER, mpi->stride[0] * mpi->height,
@ -789,6 +792,7 @@ static opt_t subopts[] = {
{"yuv", OPT_ARG_INT, &use_yuv, (opt_test_f)int_non_neg},
{"lscale", OPT_ARG_INT, &lscale, (opt_test_f)int_non_neg},
{"cscale", OPT_ARG_INT, &cscale, (opt_test_f)int_non_neg},
{"ati-hack", OPT_ARG_BOOL, &ati_hack, NULL},
{"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
{"swapinterval", OPT_ARG_INT, &swap_interval,NULL},
{"customprog", OPT_ARG_MSTRZ,&custom_prog, NULL},
@ -811,6 +815,7 @@ static int preinit(const char *arg)
cscale = 0;
use_rectangle = 0;
use_glFinish = 0;
ati_hack = 0;
swap_interval = 1;
slice_height = 0;
custom_prog = NULL;
@ -835,6 +840,8 @@ static int preinit(const char *arg)
" 0: use power-of-two textures\n"
" 1: use texture_rectangle\n"
" 2: use texture_non_power_of_two\n"
" ati-hack\n"
" Workaround ATI bug with PBOs\n"
" glfinish\n"
" Call glFinish() before swapping buffers\n"
" swapinterval=<n>\n"