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c/compositor: Render multiple layers without IPC.

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Hook up layer rendering when XRT_FEATURE_SERVICE is not set.
This commit is contained in:
Lubosz Sarnecki 2020-05-28 17:18:15 +02:00 committed by Jakob Bornecrantz
parent 4ad806df38
commit 1e8106c974
2 changed files with 64 additions and 16 deletions
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69
src/xrt/compositor/main/comp_compositor.c
View file

@ -286,6 +286,7 @@ compositor_layer_begin(struct xrt_compositor *xc,
uint32_t slot_id = 0;
c->slots[slot_id].env_blend_mode = env_blend_mode;
c->slots[slot_id].num_layers = 0;
}
static void
@ -310,9 +311,9 @@ compositor_layer_stereo_projection(struct xrt_compositor *xc,
{
struct comp_compositor *c = comp_compositor(xc);
// Always zero for now.
// Without IPC we only have one slot
uint32_t slot_id = 0;
uint32_t layer_id = 0;
uint32_t layer_id = c->slots[slot_id].num_layers;
struct comp_layer *layer = &c->slots[slot_id].layers[layer_id];
layer->stereo.l.sc = comp_swapchain(l_sc);
@ -321,6 +322,12 @@ compositor_layer_stereo_projection(struct xrt_compositor *xc,
layer->stereo.r.sc = comp_swapchain(r_sc);
layer->stereo.r.image_index = r_image_index;
layer->stereo.r.array_index = r_array_index;
layer->flags = layer_flags;
layer->flip_y = flip_y;
layer->type = COMP_LAYER_STEREO_PROJECTION;
c->slots[slot_id].num_layers++;
}
static void
@ -338,7 +345,26 @@ compositor_layer_quad(struct xrt_compositor *xc,
struct xrt_vec2 *size,
bool flip_y)
{
// Noop!
struct comp_compositor *c = comp_compositor(xc);
// Without IPC we only have one slot
uint32_t slot_id = 0;
uint32_t layer_id = c->slots[slot_id].num_layers;
struct comp_layer *layer = &c->slots[slot_id].layers[layer_id];
layer->quad.sc = comp_swapchain(sc);
layer->quad.visibility = visibility;
layer->quad.image_index = image_index;
layer->quad.rect = *rect;
layer->quad.array_index = array_index;
layer->quad.pose = *pose;
layer->quad.size = *size;
layer->flags = layer_flags;
layer->flip_y = flip_y;
layer->type = COMP_LAYER_QUAD;
c->slots[slot_id].num_layers++;
}
static void
@ -348,23 +374,36 @@ compositor_layer_commit(struct xrt_compositor *xc)
COMP_SPEW(c, "LAYER_COMMIT");
struct comp_swapchain_image *right;
struct comp_swapchain_image *left;
// Always zero for now.
uint32_t slot_id = 0;
uint32_t layer_id = 0;
struct comp_layer *layer = &c->slots[slot_id].layers[layer_id];
struct comp_layer_stereo *stereo = &layer->stereo;
left = &stereo->l.sc->images[stereo->l.image_index];
right = &stereo->l.sc->images[stereo->r.image_index];
uint32_t num_layers = c->slots[slot_id].num_layers;
comp_renderer_destroy_layers(c->r);
comp_renderer_allocate_layers(c->r, 1);
comp_renderer_allocate_layers(c->r, num_layers);
comp_renderer_set_projection_layer(c->r, left, right, layer->flip_y, 0);
for (uint32_t i = 0; i < num_layers; i++) {
struct comp_layer *layer = &c->slots[slot_id].layers[i];
switch (layer->type) {
case COMP_LAYER_QUAD: {
struct comp_layer_quad *quad = &layer->quad;
struct comp_swapchain_image *image;
image = &quad->sc->images[quad->image_index];
comp_renderer_set_quad_layer(c->r, image, &quad->pose,
&quad->size, layer->flip_y,
i);
} break;
case COMP_LAYER_STEREO_PROJECTION: {
struct comp_layer_stereo *stereo = &layer->stereo;
struct comp_swapchain_image *right;
struct comp_swapchain_image *left;
left = &stereo->l.sc->images[stereo->l.image_index];
right = &stereo->l.sc->images[stereo->r.image_index];
comp_renderer_set_projection_layer(c->r, left, right,
layer->flip_y, i);
} break;
}
}
comp_renderer_draw(c->r);

11
src/xrt/compositor/main/comp_compositor.h
View file

@ -73,13 +73,19 @@ enum comp_layer_type
};
/*!
* A stereo projection layer.
* A quad layer.
*
* @ingroup comp_main
*/
struct comp_layer_quad
{
struct comp_swapchain *sc;
enum xrt_layer_eye_visibility visibility;
uint32_t image_index;
struct xrt_rect rect;
uint32_t array_index;
struct xrt_pose pose;
struct xrt_vec2 size;
};
/*!
@ -106,6 +112,7 @@ struct comp_layer
{
int64_t timestamp;
enum xrt_layer_composition_flags flags;
enum comp_layer_type type;
bool flip_y;
union {
struct comp_layer_quad quad;
@ -123,6 +130,8 @@ struct comp_layer_slot
enum xrt_blend_mode env_blend_mode;
struct comp_layer layers[COMP_MAX_LAYERS];
uint32_t num_layers;
};
/*!