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);
}
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 void
util_draw_fullscreen_quad(struct cso_context *cso)
{
static float vertices[] = {
-1, -1, 0, 1, 0, 0, 0, 0,
-1, 1, 0, 1, 0, 1, 0, 0,
1, 1, 0, 1, 1, 1, 0, 0,
1, -1, 0, 1, 1, 0, 0, 0
};
util_set_interleaved_vertex_elements(cso, 2);
util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
}
/**
* Test TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION.
*
* The viewport state is set as usual, but it should have no effect.
* Clipping should also be disabled.
*
* POSITION.xyz should already be multiplied by 1/w and POSITION.w should
* contain 1/w. By setting w=0, we can test that POSITION.xyz isn't
* multiplied by 1/w (otherwise nothing would be rendered).
*
* TODO: Whether the value of POSITION.w is correctly interpreted as 1/w
* during perspective interpolation is not tested.
*/
static void
tgsi_vs_window_space_position(struct pipe_context *ctx)
{
struct cso_context *cso;
struct pipe_resource *cb;
void *fs, *vs;
bool pass = true;
static const float red[] = {1, 0, 0, 1};
if (!ctx->screen->get_param(ctx->screen,
PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION)) {
util_report_result(SKIP);
return;
}
cso = cso_create_context(ctx);
cb = util_create_texture2d(ctx->screen, 256, 256,
PIPE_FORMAT_R8G8B8A8_UNORM);
util_set_common_states_and_clear(cso, ctx, cb);
/* Fragment shader. */
fs = util_make_fragment_passthrough_shader(ctx, TGSI_SEMANTIC_GENERIC,
TGSI_INTERPOLATE_LINEAR, TRUE);
cso_set_fragment_shader_handle(cso, fs);
/* Vertex shader. */
vs = util_set_passthrough_vertex_shader(cso, ctx, true);
/* Draw. */
{
static float vertices[] = {
0, 0, 0, 0, 1, 0, 0, 1,
0, 256, 0, 0, 1, 0, 0, 1,
256, 256, 0, 0, 1, 0, 0, 1,
256, 0, 0, 0, 1, 0, 0, 1,
};
util_set_interleaved_vertex_elements(cso, 2);
util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
}
/* Probe pixels. */
pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0,
cb->width0, cb->height0, red);
/* Cleanup. */
cso_destroy_context(cso);
ctx->delete_vs_state(ctx, vs);
ctx->delete_fs_state(ctx, fs);
pipe_resource_reference(&cb, NULL);
util_report_result(pass);
}
static void
util_draw_fullscreen_quad_fill(struct cso_context *cso,
float r, float g, float b, float a)
{
float vertices[] = {
-1, -1, 0, 1, r, g, b, a,
-1, 1, 0, 1, r, g, b, a,
1, 1, 0, 1, r, g, b, a,
1, -1, 0, 1, r, g, b, a,
};
util_set_interleaved_vertex_elements(cso, 2);
util_draw_user_vertex_buffer(cso, vertices, PIPE_PRIM_QUADS, 4, 2);
}
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;
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;
}
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);
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;
}
/**
* Draw renderer quad.
*/
static void renderer_quad_draw(struct renderer *r)
{
util_draw_user_vertex_buffer(r->cso, r->vertices, PIPE_PRIM_TRIANGLE_FAN,
Elements(r->vertices), /* verts */
Elements(r->vertices[0])); /* attribs/vert */
}
