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output: improve transform matrix calculation

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Compute only the transform matrix in the output. The projection matrix
will be calculated inside the gles2 renderer when we start rendering.

The goal is to help the pixman rendering process.
This commit is contained in:
Simon Zeni 2021-03-04 13:22:28 -05:00 • committed by Simon Ser
parent 52e40025c4
commit 9601a2abf0
7 changed files with 50 additions and 18 deletions
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17
backend/drm/drm.c
View file

@ -895,10 +895,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
}
}
float hotspot_proj[9];
wlr_matrix_projection(hotspot_proj, plane->surf.width,
plane->surf.height, output->transform);
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
wlr_box_transform(&hotspot, &hotspot,
wlr_output_transform_invert(output->transform),
@ -939,8 +935,19 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
struct wlr_box cursor_box = { .width = width, .height = height };
float output_matrix[9];
wlr_matrix_identity(output_matrix);
if (output->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
wlr_matrix_translate(output_matrix, plane->surf.width / 2.0,
plane->surf.height / 2.0);
wlr_matrix_transform(output_matrix, output->transform);
wlr_matrix_translate(output_matrix, - plane->surf.width / 2.0,
- plane->surf.height / 2.0);
}
float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, hotspot_proj);
wlr_matrix_project_box(matrix, &cursor_box, transform, 0,
output_matrix);
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 });

2
backend/drm/renderer.c
View file

@ -156,7 +156,7 @@ static struct wlr_buffer *drm_surface_blit(struct wlr_drm_surface *surf,
}
float mat[9];
wlr_matrix_projection(mat, 1, 1, WL_OUTPUT_TRANSFORM_NORMAL);
wlr_matrix_identity(mat);
wlr_renderer_begin(renderer, surf->width, surf->height);
wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });

11
backend/wayland/output.c
View file

@ -431,11 +431,16 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
.height = height,
};
float projection[9];
wlr_matrix_projection(projection, width, height, wlr_output->transform);
float output_matrix[9];
wlr_matrix_identity(output_matrix);
if (wlr_output->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
wlr_matrix_translate(output_matrix, width / 2.0, height / 2.0);
wlr_matrix_transform(output_matrix, wlr_output->transform);
wlr_matrix_translate(output_matrix, - width / 2.0, - height / 2.0);
}
float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, projection);
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, output_matrix);
wlr_renderer_begin(backend->renderer, width, height);
wlr_renderer_clear(backend->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });

11
backend/x11/output.c
View file

@ -415,11 +415,16 @@ static bool output_cursor_to_picture(struct wlr_x11_output *output,
.height = height,
};
float projection[9];
wlr_matrix_projection(projection, width, height, output->wlr_output.transform);
float output_matrix[9];
wlr_matrix_identity(output_matrix);
if (output->wlr_output.transform != WL_OUTPUT_TRANSFORM_NORMAL) {
wlr_matrix_translate(output_matrix, width / 2.0, height / 2.0);
wlr_matrix_transform(output_matrix, output->wlr_output.transform);
wlr_matrix_translate(output_matrix, - width / 2.0, - height / 2.0);
}
float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, projection);
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, output_matrix);
wlr_renderer_begin(x11->renderer, width, height);
wlr_renderer_clear(x11->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });