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c/main: Refactor vertex rot getting in renderer

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This commit is contained in:
Jakob Bornecrantz 2023-10-01 21:07:04 +01:00
parent c81356e0c8
commit b7dbdae304
1 changed files with 38 additions and 31 deletions
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69
src/xrt/compositor/main/comp_renderer.c
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@ -215,6 +215,40 @@ calc_viewport_data(struct comp_renderer *r,
*out_r_viewport_data = r_viewport_data;
}
static void
calc_vertex_rot_data(struct comp_renderer *r, struct xrt_matrix_2x2 out_vertex_rots[2])
{
bool pre_rotate = false;
if (r->c->target->surface_transform & VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR ||
r->c->target->surface_transform & VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR) {
COMP_SPEW(r->c, "Swapping width and height, since we are pre rotating");
pre_rotate = true;
}
const struct xrt_matrix_2x2 rotation_90_cw = {{
.vecs =
{
{0, 1},
{-1, 0},
},
}};
for (uint32_t i = 0; i < 2; i++) {
// Get the view.
struct xrt_view *v = &r->c->xdev->hmd->views[i];
// Copy data.
struct xrt_matrix_2x2 rot = v->rot;
// Should we rotate.
if (pre_rotate) {
m_mat2x2_multiply(&rot, &rotation_90_cw, &rot);
}
out_vertex_rots[i] = rot;
}
}
static void
calc_pose_data(struct comp_renderer *r,
struct xrt_fov out_fovs[2],
@ -298,28 +332,18 @@ renderer_build_rendering(struct comp_renderer *r,
{
COMP_TRACE_MARKER();
struct comp_compositor *c = r->c;
/*
* Rendering
*/
bool pre_rotate = false;
if (r->c->target->surface_transform & VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR ||
r->c->target->surface_transform & VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR) {
COMP_SPEW(c, "Swapping width and height, since we are pre rotating");
pre_rotate = true;
}
struct render_viewport_data l_viewport_data;
struct render_viewport_data r_viewport_data;
calc_viewport_data(r, &l_viewport_data, &r_viewport_data);
struct xrt_view *l_v = &r->c->xdev->hmd->views[0];
struct xrt_view *r_v = &r->c->xdev->hmd->views[1];
struct xrt_matrix_2x2 vertex_rots[2];
calc_vertex_rot_data(r, vertex_rots);
/*
@ -328,32 +352,15 @@ renderer_build_rendering(struct comp_renderer *r,
struct render_gfx_mesh_ubo_data distortion_data[2] = {
{
.vertex_rot = l_v->rot,
.vertex_rot = vertex_rots[0],
.post_transform = src_norm_rects[0],
},
{
.vertex_rot = r_v->rot,
.vertex_rot = vertex_rots[1],
.post_transform = src_norm_rects[1],
},
};
const struct xrt_matrix_2x2 rotation_90_cw = {{
.vecs =
{
{0, 1},
{-1, 0},
},
}};
if (pre_rotate) {
m_mat2x2_multiply(&distortion_data[0].vertex_rot, //
&rotation_90_cw, //
&distortion_data[0].vertex_rot); //
m_mat2x2_multiply(&distortion_data[1].vertex_rot, //
&rotation_90_cw, //
&distortion_data[1].vertex_rot); //
}
render_gfx_update_distortion(rr, //
0, // view_index
src_samplers[0], //