diff options
Diffstat (limited to 'video/out/opengl/osd.c')
| -rw-r--r-- | video/out/opengl/osd.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/video/out/opengl/osd.c b/video/out/opengl/osd.c index bf03d34e90..d8059166be 100644 --- a/video/out/opengl/osd.c +++ b/video/out/opengl/osd.c @@ -139,18 +139,19 @@ static bool upload_pbo(struct mpgl_osd *ctx, struct mpgl_osd_part *osd, GL *gl = ctx->gl; bool success = true; const struct gl_format *fmt = ctx->fmt_table[imgs->format]; - int pix_stride = gl_bytes_per_pixel(fmt->format, fmt->type); + size_t pix_stride = gl_bytes_per_pixel(fmt->format, fmt->type); + size_t buffer_size = pix_stride * osd->h * osd->w; if (!osd->buffer) { gl->GenBuffers(1, &osd->buffer); gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer); - gl->BufferData(GL_PIXEL_UNPACK_BUFFER, osd->w * osd->h * pix_stride, - NULL, GL_DYNAMIC_COPY); + gl->BufferData(GL_PIXEL_UNPACK_BUFFER, buffer_size, NULL, GL_DYNAMIC_COPY); gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); } gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer); - char *data = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY); + char *data = gl->MapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, buffer_size, + GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT); if (!data) { success = false; } else { |