mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-30 00:15:58 +01:00
281 lines
7.2 KiB
C
281 lines
7.2 KiB
C
#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wlr/render/gles2.h>
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#include <wlr/render/interface.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/log.h>
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#include "util/signal.h"
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#include "render/wlr_renderer.h"
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void wlr_renderer_init(struct wlr_renderer *renderer,
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const struct wlr_renderer_impl *impl) {
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assert(impl->begin);
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assert(impl->clear);
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assert(impl->scissor);
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assert(impl->render_subtexture_with_matrix);
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assert(impl->render_quad_with_matrix);
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assert(impl->render_ellipse_with_matrix);
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assert(impl->get_shm_texture_formats);
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assert(impl->texture_from_pixels);
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renderer->impl = impl;
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wl_signal_init(&renderer->events.destroy);
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}
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void wlr_renderer_destroy(struct wlr_renderer *r) {
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if (!r) {
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return;
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}
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wlr_signal_emit_safe(&r->events.destroy, r);
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if (r->impl && r->impl->destroy) {
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r->impl->destroy(r);
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} else {
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free(r);
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}
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}
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bool wlr_renderer_bind_buffer(struct wlr_renderer *r,
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struct wlr_buffer *buffer) {
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assert(!r->rendering);
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if (!r->impl->bind_buffer) {
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return false;
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}
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return r->impl->bind_buffer(r, buffer);
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}
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void wlr_renderer_begin(struct wlr_renderer *r, uint32_t width, uint32_t height) {
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assert(!r->rendering);
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r->impl->begin(r, width, height);
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r->rendering = true;
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}
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void wlr_renderer_end(struct wlr_renderer *r) {
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assert(r->rendering);
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if (r->impl->end) {
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r->impl->end(r);
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}
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r->rendering = false;
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}
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void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]) {
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assert(r->rendering);
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r->impl->clear(r, color);
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}
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void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box) {
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assert(r->rendering);
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r->impl->scissor(r, box);
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}
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bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
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const float projection[static 9], int x, int y, float alpha) {
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struct wlr_box box = {
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.x = x,
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.y = y,
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.width = texture->width,
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.height = texture->height,
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};
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float matrix[9];
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wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
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projection);
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return wlr_render_texture_with_matrix(r, texture, matrix, alpha);
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}
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bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
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struct wlr_texture *texture, const float matrix[static 9],
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float alpha) {
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struct wlr_fbox box = {
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.x = 0,
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.y = 0,
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.width = texture->width,
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.height = texture->height,
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};
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return wlr_render_subtexture_with_matrix(r, texture, &box, matrix, alpha);
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}
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bool wlr_render_subtexture_with_matrix(struct wlr_renderer *r,
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struct wlr_texture *texture, const struct wlr_fbox *box,
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const float matrix[static 9], float alpha) {
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assert(r->rendering);
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return r->impl->render_subtexture_with_matrix(r, texture,
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box, matrix, alpha);
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}
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void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
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const float color[static 4], const float projection[static 9]) {
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if (box->width == 0 || box->height == 0) {
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return;
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}
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assert(box->width > 0 && box->height > 0);
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float matrix[9];
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wlr_matrix_project_box(matrix, box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
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projection);
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wlr_render_quad_with_matrix(r, color, matrix);
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}
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void wlr_render_quad_with_matrix(struct wlr_renderer *r,
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const float color[static 4], const float matrix[static 9]) {
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assert(r->rendering);
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r->impl->render_quad_with_matrix(r, color, matrix);
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}
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void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
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const float color[static 4], const float projection[static 9]) {
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if (box->width == 0 || box->height == 0) {
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return;
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}
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assert(box->width > 0 && box->height > 0);
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float matrix[9];
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wlr_matrix_project_box(matrix, box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
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projection);
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wlr_render_ellipse_with_matrix(r, color, matrix);
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}
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void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
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const float color[static 4], const float matrix[static 9]) {
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assert(r->rendering);
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r->impl->render_ellipse_with_matrix(r, color, matrix);
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}
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const enum wl_shm_format *wlr_renderer_get_shm_texture_formats(
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struct wlr_renderer *r, size_t *len) {
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return r->impl->get_shm_texture_formats(r, len);
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}
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bool wlr_renderer_resource_is_wl_drm_buffer(struct wlr_renderer *r,
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struct wl_resource *resource) {
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if (!r->impl->resource_is_wl_drm_buffer) {
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return false;
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}
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return r->impl->resource_is_wl_drm_buffer(r, resource);
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}
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void wlr_renderer_wl_drm_buffer_get_size(struct wlr_renderer *r,
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struct wl_resource *buffer, int *width, int *height) {
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if (!r->impl->wl_drm_buffer_get_size) {
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return;
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}
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return r->impl->wl_drm_buffer_get_size(r, buffer, width, height);
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}
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const struct wlr_drm_format_set *wlr_renderer_get_dmabuf_texture_formats(
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struct wlr_renderer *r) {
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if (!r->impl->get_dmabuf_texture_formats) {
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return NULL;
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}
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return r->impl->get_dmabuf_texture_formats(r);
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}
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const struct wlr_drm_format_set *wlr_renderer_get_dmabuf_render_formats(
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struct wlr_renderer *r) {
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if (!r->impl->get_dmabuf_render_formats) {
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return NULL;
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}
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return r->impl->get_dmabuf_render_formats(r);
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}
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bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
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uint32_t *flags, uint32_t stride, uint32_t width, uint32_t height,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
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void *data) {
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if (!r->impl->read_pixels) {
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return false;
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}
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return r->impl->read_pixels(r, fmt, flags, stride, width, height,
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src_x, src_y, dst_x, dst_y, data);
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}
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bool wlr_renderer_blit_dmabuf(struct wlr_renderer *r,
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struct wlr_dmabuf_attributes *dst,
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struct wlr_dmabuf_attributes *src) {
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assert(!r->rendering);
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if (!r->impl->blit_dmabuf) {
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return false;
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}
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return r->impl->blit_dmabuf(r, dst, src);
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}
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bool wlr_renderer_init_wl_display(struct wlr_renderer *r,
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struct wl_display *wl_display) {
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if (wl_display_init_shm(wl_display)) {
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wlr_log(WLR_ERROR, "Failed to initialize shm");
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return false;
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}
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size_t len;
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const enum wl_shm_format *formats =
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wlr_renderer_get_shm_texture_formats(r, &len);
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if (formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to initialize shm: cannot get formats");
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return false;
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}
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bool argb8888 = false, xrgb8888 = false;
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for (size_t i = 0; i < len; ++i) {
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// ARGB8888 and XRGB8888 must be supported and are implicitly
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// advertised by wl_display_init_shm
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switch (formats[i]) {
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case WL_SHM_FORMAT_ARGB8888:
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argb8888 = true;
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break;
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case WL_SHM_FORMAT_XRGB8888:
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xrgb8888 = true;
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break;
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default:
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wl_display_add_shm_format(wl_display, formats[i]);
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}
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}
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assert(argb8888 && xrgb8888);
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if (r->impl->init_wl_display) {
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if (!r->impl->init_wl_display(r, wl_display)) {
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return false;
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}
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}
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return true;
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}
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struct wlr_renderer *wlr_renderer_autocreate(EGLenum platform,
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void *remote_display) {
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struct wlr_egl *egl = calloc(1, sizeof(*egl));
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if (egl == NULL) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return NULL;
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}
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if (!wlr_egl_init(egl, platform, remote_display, NULL, 0)) {
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wlr_log(WLR_ERROR, "Could not initialize EGL");
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return NULL;
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}
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/*
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* wlr_renderer becomes the owner of the previously wlr_egl, and will
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* take care of freeing the allocated memory
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* TODO: move the wlr_egl logic to wlr_gles2_renderer
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*/
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struct wlr_renderer *renderer = wlr_gles2_renderer_create(egl);
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if (!renderer) {
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wlr_egl_finish(egl);
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}
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return renderer;
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}
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int wlr_renderer_get_drm_fd(struct wlr_renderer *r) {
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if (!r->impl->get_drm_fd) {
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return -1;
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}
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return r->impl->get_drm_fd(r);
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}
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