void device_stage_texture(device_t device, stagesurf_t dst, texture_t src)
{
struct gs_texture_2d *tex2d = (struct gs_texture_2d*)src;
if (!can_stage(dst, tex2d))
goto failed;
if (!gl_copy_texture(device, dst->texture, GL_TEXTURE_2D,
tex2d->base.texture, GL_TEXTURE_2D,
dst->width, dst->height))
goto failed;
if (!gl_bind_texture(GL_TEXTURE_2D, dst->texture))
goto failed;
if (!gl_bind_buffer(GL_PIXEL_PACK_BUFFER, dst->pack_buffer))
goto failed;
glGetTexImage(GL_TEXTURE_2D, 0, dst->gl_format, dst->gl_type, 0);
if (!gl_success("glGetTexImage"))
goto failed;
gl_bind_buffer(GL_PIXEL_PACK_BUFFER, 0);
gl_bind_texture(GL_TEXTURE_2D, 0);
return;
failed:
gl_bind_buffer(GL_PIXEL_PACK_BUFFER, 0);
gl_bind_texture(GL_TEXTURE_2D, 0);
blog(LOG_ERROR, "device_stage_texture (GL) failed");
}
void device_copy_texture_region(gs_device_t *device,
gs_texture_t *dst, uint32_t dst_x, uint32_t dst_y,
gs_texture_t *src, uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct gs_texture_2d *src2d = (struct gs_texture_2d*)src;
struct gs_texture_2d *dst2d = (struct gs_texture_2d*)dst;
if (!src) {
blog(LOG_ERROR, "Source texture is NULL");
goto fail;
}
if (!dst) {
blog(LOG_ERROR, "Destination texture is NULL");
goto fail;
}
if (dst->type != GS_TEXTURE_2D || src->type != GS_TEXTURE_2D) {
blog(LOG_ERROR, "Source and destination textures must be 2D "
"textures");
goto fail;
}
if (dst->format != src->format) {
blog(LOG_ERROR, "Source and destination formats do not match");
goto fail;
}
uint32_t nw = (uint32_t)src_w ?
(uint32_t)src_w : (src2d->width - src_x);
uint32_t nh = (uint32_t)src_h ?
(uint32_t)src_h : (src2d->height - src_y);
if (dst2d->width - dst_x < nw || dst2d->height - dst_y < nh) {
blog(LOG_ERROR, "Destination texture region is not big "
"enough to hold the source region");
goto fail;
}
if (!gl_copy_texture(device, dst->texture, dst->gl_target, dst_x, dst_y,
src->texture, src->gl_target, src_x, src_y,
nw, nh, src->format))
goto fail;
return;
fail:
blog(LOG_ERROR, "device_copy_texture (GL) failed");
}
void device_copy_texture(device_t device, texture_t dst, texture_t src)
{
struct gs_texture_2d *src2d = (struct gs_texture_2d*)src;
struct gs_texture_2d *dst2d = (struct gs_texture_2d*)dst;
if (!src) {
blog(LOG_ERROR, "Source texture is NULL");
goto fail;
}
if (!dst) {
blog(LOG_ERROR, "Destination texture is NULL");
goto fail;
}
if (dst->type != GS_TEXTURE_2D || src->type != GS_TEXTURE_2D) {
blog(LOG_ERROR, "Source and destination textures must be 2D "
"textures");
goto fail;
}
if (dst->format != src->format) {
blog(LOG_ERROR, "Source and destination formats do not match");
goto fail;
}
if (dst2d->width != src2d->width || dst2d->height != src2d->height) {
blog(LOG_ERROR, "Source and destination must have "
"the same dimensions");
goto fail;
}
if (!gl_copy_texture(device, dst->texture, dst->gl_target,
src->texture, src->gl_target,
src2d->width, src2d->height))
goto fail;
return;
fail:
blog(LOG_ERROR, "device_copy_texture (GL) failed");
}
