/* Creates the Static Constant Buffer for the Device. */
static int galCreateStaticConstantBuffer(GIDevice *idevice)
{
struct pipe_resource buffer;
memset(&buffer, 0, sizeof(buffer));
buffer.target = PIPE_BUFFER;
buffer.format = PIPE_FORMAT_R8_UNORM;
buffer.bind = PIPE_BIND_CONSTANT_BUFFER;
buffer.usage = PIPE_USAGE_DYNAMIC;
buffer.width0 = (4 * 128);
buffer.height0 = 1;
buffer.depth0 = 1;
buffer.array_size = 1;
buffer.flags = 0;
idevice->constant = NULL;
struct pipe_resource *handle;
if ((handle = idevice->screen->resource_create(idevice->screen, &buffer)) == NULL)
{
printf("resource_create failed!\n");
return GI_ERROR;
}
pipe_set_constant_buffer(idevice->context, PIPE_SHADER_VERTEX, 0, handle);
pipe_set_constant_buffer(idevice->context, PIPE_SHADER_FRAGMENT, 0, handle);
idevice->constant = handle;
return GI_SUCCESS;
}
static void init_fs_constbuf( void )
{
struct pipe_resource templat;
struct pipe_box box;
templat.target = PIPE_BUFFER;
templat.format = PIPE_FORMAT_R8_UNORM;
templat.width0 = sizeof(constants1);
templat.height0 = 1;
templat.depth0 = 1;
templat.array_size = 1;
templat.last_level = 0;
templat.nr_samples = 1;
templat.bind = PIPE_BIND_CONSTANT_BUFFER;
constbuf1 = screen->resource_create(screen, &templat);
if (constbuf1 == NULL)
exit(4);
constbuf2 = screen->resource_create(screen, &templat);
if (constbuf2 == NULL)
exit(4);
{
u_box_2d(0,0,sizeof(constants1),1, &box);
ctx->transfer_inline_write(ctx,
constbuf1,
0,
PIPE_TRANSFER_WRITE,
&box,
constants1,
sizeof constants1,
sizeof constants1);
pipe_set_constant_buffer(ctx,
PIPE_SHADER_GEOMETRY, 0,
constbuf1);
}
{
u_box_2d(0,0,sizeof(constants2),1, &box);
ctx->transfer_inline_write(ctx,
constbuf2,
0,
PIPE_TRANSFER_WRITE,
&box,
constants2,
sizeof constants2,
sizeof constants2);
pipe_set_constant_buffer(ctx,
PIPE_SHADER_GEOMETRY, 1,
constbuf2);
}
}
void
util_test_constant_buffer(struct pipe_context *ctx,
struct pipe_resource *constbuf)
{
struct cso_context *cso;
struct pipe_resource *cb;
void *fs, *vs;
bool pass = true;
static const float zero[] = {0, 0, 0, 0};
cso = cso_create_context(ctx, 0);
cb = util_create_texture2d(ctx->screen, 256, 256,
PIPE_FORMAT_R8G8B8A8_UNORM, 0);
util_set_common_states_and_clear(cso, ctx, cb);
pipe_set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT, 0, constbuf);
/* Fragment shader. */
{
static const char *text = /* I don't like ureg... */
"FRAG\n"
"DCL CONST[0][0]\n"
"DCL OUT[0], COLOR\n"
"MOV OUT[0], CONST[0][0]\n"
"END\n";
struct tgsi_token tokens[1000];
struct pipe_shader_state state;
if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) {
puts("Can't compile a fragment shader.");
util_report_result(FAIL);
return;
}
pipe_shader_state_from_tgsi(&state, tokens);
fs = ctx->create_fs_state(ctx, &state);
cso_set_fragment_shader_handle(cso, fs);
}
/* Vertex shader. */
vs = util_set_passthrough_vertex_shader(cso, ctx, false);
util_draw_fullscreen_quad(cso);
/* Probe pixels. */
pass = pass && util_probe_rect_rgba(ctx, cb, 0, 0, cb->width0,
cb->height0, zero);
/* 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);
}
void
renderer_set_constants(struct xa_context *r,
int shader_type, const float *params, int param_bytes)
{
struct pipe_resource **cbuf =
(shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
&r->fs_const_buffer;
pipe_resource_reference(cbuf, NULL);
*cbuf = pipe_buffer_create(r->pipe->screen,
PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC,
param_bytes);
if (*cbuf) {
pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params);
}
pipe_set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
}
/**
* Set custom renderer fragment shader, and optionally set samplers and views
* and upload the fragment constant buffer.
*
* This function modifies fragment_shader, samplers and fragment_sampler_views
* states.
*/
static void renderer_set_custom_fs(struct renderer *renderer,
void *fs,
const struct pipe_sampler_state **samplers,
struct pipe_sampler_view **views,
VGint num_samplers,
const void *const_buffer,
VGint const_buffer_len)
{
cso_set_fragment_shader_handle(renderer->cso, fs);
/* set samplers and views */
if (num_samplers) {
cso_set_samplers(renderer->cso, PIPE_SHADER_FRAGMENT, num_samplers, samplers);
cso_set_sampler_views(renderer->cso, PIPE_SHADER_FRAGMENT, num_samplers, views);
}
/* upload fs constant buffer */
if (const_buffer_len) {
struct pipe_resource *cbuf = renderer->fs_cbuf;
if (!cbuf || renderer->fs_cbuf_len != const_buffer_len ||
memcmp(renderer->fs_cbuf_data, const_buffer, const_buffer_len)) {
pipe_resource_reference(&cbuf, NULL);
cbuf = pipe_buffer_create(renderer->pipe->screen,
PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC,
const_buffer_len);
pipe_buffer_write(renderer->pipe, cbuf, 0,
const_buffer_len, const_buffer);
pipe_set_constant_buffer(renderer->pipe,
PIPE_SHADER_FRAGMENT, 0, cbuf);
renderer->fs_cbuf = cbuf;
if (const_buffer_len <= sizeof(renderer->fs_cbuf_data)) {
memcpy(renderer->fs_cbuf_data, const_buffer, const_buffer_len);
renderer->fs_cbuf_len = const_buffer_len;
}
else {
renderer->fs_cbuf_len = 0;
}
}
}
}
void
vl_compositor_render(struct vl_compositor_state *s,
struct vl_compositor *c,
struct pipe_surface *dst_surface,
struct u_rect *dirty_area,
bool clear_dirty)
{
assert(c);
assert(dst_surface);
c->fb_state.width = dst_surface->width;
c->fb_state.height = dst_surface->height;
c->fb_state.cbufs[0] = dst_surface;
if (!s->scissor_valid) {
s->scissor.minx = 0;
s->scissor.miny = 0;
s->scissor.maxx = dst_surface->width;
s->scissor.maxy = dst_surface->height;
}
gen_vertex_data(c, s, dirty_area);
if (clear_dirty && dirty_area &&
(dirty_area->x0 < dirty_area->x1 || dirty_area->y0 < dirty_area->y1)) {
c->pipe->clear_render_target(c->pipe, dst_surface, &s->clear_color,
0, 0, dst_surface->width, dst_surface->height);
dirty_area->x0 = dirty_area->y0 = MAX_DIRTY;
dirty_area->x1 = dirty_area->y1 = MIN_DIRTY;
}
c->pipe->set_scissor_states(c->pipe, 0, 1, &s->scissor);
c->pipe->set_framebuffer_state(c->pipe, &c->fb_state);
c->pipe->bind_vs_state(c->pipe, c->vs);
c->pipe->set_vertex_buffers(c->pipe, 0, 1, &c->vertex_buf);
c->pipe->bind_vertex_elements_state(c->pipe, c->vertex_elems_state);
pipe_set_constant_buffer(c->pipe, PIPE_SHADER_FRAGMENT, 0, s->csc_matrix);
c->pipe->bind_rasterizer_state(c->pipe, c->rast);
draw_layers(c, s, dirty_area);
}
/**
* Set the model-view-projection matrix used by vertex shaders.
*/
static void renderer_set_mvp(struct renderer *renderer,
const struct matrix *mvp)
{
struct matrix *cur = &renderer->mvp;
struct pipe_resource *cbuf;
VGfloat consts[3][4];
VGint i;
/* projection only */
if (!mvp)
mvp = &renderer->projection;
/* re-upload only if necessary */
if (memcmp(cur, mvp, sizeof(*mvp)) == 0)
return;
/* 3x3 matrix to 3 constant vectors (no Z) */
for (i = 0; i < 3; i++) {
consts[i][0] = mvp->m[i + 0];
consts[i][1] = mvp->m[i + 3];
consts[i][2] = 0.0f;
consts[i][3] = mvp->m[i + 6];
}
cbuf = renderer->vs_cbuf;
pipe_resource_reference(&cbuf, NULL);
cbuf = pipe_buffer_create(renderer->pipe->screen,
PIPE_BIND_CONSTANT_BUFFER,
PIPE_USAGE_STATIC,
sizeof(consts));
if (cbuf) {
pipe_buffer_write(renderer->pipe, cbuf,
0, sizeof(consts), consts);
}
pipe_set_constant_buffer(renderer->pipe,
PIPE_SHADER_VERTEX, 0, cbuf);
memcpy(cur, mvp, sizeof(*mvp));
renderer->vs_cbuf = cbuf;
}
/** Run function of the MLAA filter. */
static void
pp_jimenezmlaa_run(struct pp_queue_t *ppq, struct pipe_resource *in,
struct pipe_resource *out, unsigned int n, bool iscolor)
{
struct program *p = ppq->p;
struct pipe_depth_stencil_alpha_state mstencil;
struct pipe_sampler_view v_tmp, *arr[3];
unsigned int w = p->framebuffer.width;
unsigned int h = p->framebuffer.height;
const struct pipe_stencil_ref ref = { {1} };
memset(&mstencil, 0, sizeof(mstencil));
cso_set_stencil_ref(p->cso, &ref);
/* Init the pixel size constant */
if (dimensions[0] != p->framebuffer.width ||
dimensions[1] != p->framebuffer.height) {
constants[0] = 1.0 / p->framebuffer.width;
constants[1] = 1.0 / p->framebuffer.height;
up_consts(p->pipe);
dimensions[0] = p->framebuffer.width;
dimensions[1] = p->framebuffer.height;
}
pipe_set_constant_buffer(p->pipe, PIPE_SHADER_VERTEX, 0, constbuf);
pipe_set_constant_buffer(p->pipe, PIPE_SHADER_FRAGMENT, 0, constbuf);
mstencil.stencil[0].enabled = 1;
mstencil.stencil[0].valuemask = mstencil.stencil[0].writemask = ~0;
mstencil.stencil[0].func = PIPE_FUNC_ALWAYS;
mstencil.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP;
mstencil.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP;
mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
p->framebuffer.zsbuf = ppq->stencils;
/* First pass: depth edge detection */
if (iscolor)
pp_filter_setup_in(p, in);
else
pp_filter_setup_in(p, ppq->depth);
pp_filter_setup_out(p, ppq->inner_tmp[0]);
pp_filter_set_fb(p);
pp_filter_misc_state(p);
cso_set_depth_stencil_alpha(p->cso, &mstencil);
p->pipe->clear(p->pipe, PIPE_CLEAR_STENCIL | PIPE_CLEAR_COLOR,
&p->clear_color, 0, 0);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);
cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->view);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]); /* offsetvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][2]);
pp_filter_draw(p);
pp_filter_end_pass(p);
/* Second pass: blend weights */
/* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
mstencil.stencil[0].func = PIPE_FUNC_EQUAL;
mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
cso_set_depth_stencil_alpha(p->cso, &mstencil);
pp_filter_setup_in(p, areamaptex);
pp_filter_setup_out(p, ppq->inner_tmp[1]);
u_sampler_view_default_template(&v_tmp, ppq->inner_tmp[0],
ppq->inner_tmp[0]->format);
arr[1] = arr[2] = p->pipe->create_sampler_view(p->pipe,
ppq->inner_tmp[0], &v_tmp);
pp_filter_set_clear_fb(p);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->sampler_point);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 2, &p->sampler);
cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);
arr[0] = p->view;
cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 3, arr);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][0]); /* passvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][3]);
pp_filter_draw(p);
pp_filter_end_pass(p);
pipe_sampler_view_reference(&arr[1], NULL);
/* Third pass: smoothed edges */
/* Sampler order: colormap, blendmap (wtf compiler) */
pp_filter_setup_in(p, ppq->inner_tmp[1]);
pp_filter_setup_out(p, out);
pp_filter_set_fb(p);
/* Blit the input to the output */
util_blit_pixels(p->blitctx, in, 0, 0, 0,
w, h, 0, p->framebuffer.cbufs[0],
0, 0, w, h, 0, PIPE_TEX_MIPFILTER_NEAREST,
TGSI_WRITEMASK_XYZW, 0);
u_sampler_view_default_template(&v_tmp, in, in->format);
arr[0] = p->pipe->create_sampler_view(p->pipe, in, &v_tmp);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->sampler_point);
cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);
arr[1] = p->view;
cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 2, arr);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]); /* offsetvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][4]);
p->blend.rt[0].blend_enable = 1;
cso_set_blend(p->cso, &p->blend);
pp_filter_draw(p);
pp_filter_end_pass(p);
pipe_sampler_view_reference(&arr[0], NULL);
p->blend.rt[0].blend_enable = 0;
p->framebuffer.zsbuf = NULL;
}
