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gl-renderer: Simplify EGLImage paths

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Unlike EGL image import, texture creation and binding is quite fast and
cheap. Thus, instead of doing it as early as possible in various places,
do it right before we actually need it in prepare_textured_draw().

This will follow-up changes easier and includes some preparations for
them.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
This commit is contained in:
Robert Mader 2025-11-11 12:11:37 +01:00
parent 2613db2426
commit b736066dc9
1 changed files with 35 additions and 47 deletions
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82
libweston/renderer-gl/gl-renderer.c
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@ -272,8 +272,6 @@ struct gl_buffer_state {
GLuint textures[3];
int num_textures;
bool specified;
struct wl_listener destroy_listener;
};
@ -1444,6 +1442,37 @@ prepare_solid_draw(struct gl_shader_config *sconf,
return true;
}
static void
recreate_and_specify_textures(struct gl_buffer_state *gb)
{
struct gl_renderer *gr = gb->gr;
GLenum target;
if (gb->num_textures > 0)
glDeleteTextures(gb->num_textures, gb->textures);
glGenTextures(gb->num_images, gb->textures);
gb->num_textures = gb->num_images;
target = gl_shader_texture_variant_get_target(gb->shader_variant);
for (int i = 0; i < gb->num_images; i++) {
gl_texture_parameters_init(gb->gr, &gb->parameters[i], target,
NULL, NULL, gb->texture_format[i].swizzles.array, false);
}
for (int i = 0; i < gb->num_images; ++i) {
glBindTexture(gb->parameters[i].target, gb->textures[i]);
if (gl_extensions_has(gr, EXTENSION_EXT_EGL_IMAGE_STORAGE)) {
gr->image_target_tex_storage(gb->parameters[i].target,
gb->images[i], NULL);
} else {
gr->image_target_texture_2d(gb->parameters[i].target,
gb->images[i]);
}
}
}
static void
gl_shader_config_set_input_textures(struct gl_shader_config *sconf,
struct gl_buffer_state *gb)
@ -1470,6 +1499,10 @@ prepare_textured_draw(struct gl_shader_config *sconf,
GLint filter;
int i;
/* Ensure we create and bind textures. */
if (gb->num_textures == 0)
recreate_and_specify_textures(gb);
*sconf = (struct gl_shader_config) {
.req.texcoord_input = SHADER_TEXCOORD_INPUT_SURFACE,
.projection = pnode->view->transform.matrix,
@ -2908,23 +2941,6 @@ handle_buffer_destroy(struct wl_listener *listener, void *data)
destroy_buffer_state(gb);
}
static void
ensure_textures(struct gl_buffer_state *gb, GLenum target, int num_textures)
{
int i;
assert(gb->num_textures == 0);
glGenTextures(num_textures, gb->textures);
gb->num_textures = num_textures;
for (i = 0; i < num_textures; i++)
gl_texture_parameters_init(gb->gr, &gb->parameters[i], target,
NULL, NULL,
gb->texture_format[i].swizzles.array,
false);
}
static void
gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer)
{
@ -3086,7 +3102,6 @@ gl_renderer_fill_buffer_info(struct weston_compositor *ec,
struct gl_buffer_state *gb;
EGLint format;
uint32_t fourcc;
GLenum target;
EGLint y_inverted;
bool rgb, ret = true;
int i;
@ -3204,9 +3219,6 @@ gl_renderer_fill_buffer_info(struct weston_compositor *ec,
}
}
target = gl_shader_texture_variant_get_target(gb->shader_variant);
ensure_textures(gb, target, gb->num_images);
buffer->renderer_private = gb;
gb->destroy_listener.notify = handle_buffer_destroy;
wl_signal_add(&buffer->destroy_signal, &gb->destroy_listener);
@ -3377,7 +3389,6 @@ import_yuv_dmabuf(struct gl_renderer *gr, struct gl_buffer_state *gb,
const struct yuv_format_descriptor *format = NULL;
const struct pixel_format_info *info;
int plane_count;
GLenum target;
char fmt[4];
for (i = 0; i < ARRAY_LENGTH(yuv_formats); ++i) {
@ -3428,9 +3439,6 @@ import_yuv_dmabuf(struct gl_renderer *gr, struct gl_buffer_state *gb,
gb->num_images = format->output_planes;
gb->shader_variant = format->shader_variant;
target = gl_shader_texture_variant_get_target(gb->shader_variant);
ensure_textures(gb, target, gb->num_images);
return true;
}
@ -3562,8 +3570,6 @@ import_dmabuf(struct gl_renderer *gr,
gb->shader_variant = SHADER_VARIANT_EXTERNAL;
}
ensure_textures(gb, target, gb->num_images);
return gb;
}
@ -3713,30 +3719,12 @@ static void
gl_renderer_attach_buffer(struct weston_surface *surface,
struct weston_buffer *buffer)
{
struct gl_renderer *gr = get_renderer(surface->compositor);
struct gl_surface_state *gs = get_surface_state(surface);
struct gl_buffer_state *gb;
int i;
assert(buffer->renderer_private);
gb = buffer->renderer_private;
gs->buffer = gb;
if (gb->specified)
return;
for (i = 0; i < gb->num_images; ++i) {
glBindTexture(gb->parameters[i].target, gb->textures[i]);
if (gl_extensions_has(gr, EXTENSION_EXT_EGL_IMAGE_STORAGE))
gr->image_target_tex_storage(gb->parameters[i].target,
gb->images[i], NULL);
else
gr->image_target_texture_2d(gb->parameters[i].target,
gb->images[i]);
}
gb->specified = true;
}
static const struct weston_drm_format_array *