void
renderer_draw_yuv(struct xa_context *r,
float src_x,
float src_y,
float src_w,
float src_h,
int dst_x,
int dst_y, int dst_w, int dst_h, struct xa_surface *srf[])
{
const int num_attribs = 2; /*pos + tex coord */
setup_vertex_data_yuv(r,
src_x, src_y, src_w, src_h,
dst_x, dst_y, dst_w, dst_h, srf);
if (!r->scissor_valid) {
r->scissor.minx = 0;
r->scissor.miny = 0;
r->scissor.maxx = r->dst->tex->width0;
r->scissor.maxy = r->dst->tex->height0;
}
r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
cso_set_vertex_elements(r->cso, num_attribs, r->velems);
util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
4, /* verts */
num_attribs); /* attribs/vert */
r->buffer_size = 0;
xa_scissor_reset(r);
}
static inline void
renderer_draw(struct xa_context *r)
{
int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS);
if (!r->buffer_size)
return;
if (!r->scissor_valid) {
r->scissor.minx = 0;
r->scissor.miny = 0;
r->scissor.maxx = r->dst->tex->width0;
r->scissor.maxy = r->dst->tex->height0;
}
r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems);
util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
num_verts, /* verts */
r->attrs_per_vertex); /* attribs/vert */
r->buffer_size = 0;
xa_scissor_reset(r);
}
/* Set up framebuffer, viewport and vertex shader constant buffer
* state for a particular destinaton surface. In all our rendering,
* these concepts are linked.
*/
void
renderer_bind_destination(struct xa_context *r,
struct pipe_surface *surface)
{
int width = surface->width;
int height = surface->height;
struct pipe_framebuffer_state fb;
struct pipe_viewport_state viewport;
xa_scissor_reset(r);
/* Framebuffer uses actual surface width/height
*/
memset(&fb, 0, sizeof fb);
fb.width = surface->width;
fb.height = surface->height;
fb.nr_cbufs = 1;
fb.cbufs[0] = surface;
fb.zsbuf = 0;
/* Viewport just touches the bit we're interested in:
*/
viewport.scale[0] = width / 2.f;
viewport.scale[1] = height / 2.f;
viewport.scale[2] = 1.0;
viewport.scale[3] = 1.0;
viewport.translate[0] = width / 2.f;
viewport.translate[1] = height / 2.f;
viewport.translate[2] = 0.0;
viewport.translate[3] = 0.0;
/* Constant buffer set up to match viewport dimensions:
*/
if (r->fb_width != width || r->fb_height != height) {
float vs_consts[8] = {
2.f / width, 2.f / height, 1, 1,
-1, -1, 0, 0
};
r->fb_width = width;
r->fb_height = height;
renderer_set_constants(r, PIPE_SHADER_VERTEX,
vs_consts, sizeof vs_consts);
}
cso_set_framebuffer(r->cso, &fb);
cso_set_viewport(r->cso, &viewport);
}
