new/buildroot/package/weston/0003-Revert-gl-renderer-require-GL_EXT_unpack_subimage.patch
2025-05-10 21:58:58 +08:00

96 lines
3.5 KiB
Diff

From 5b0c8a0d4e5afbb4c13945d8e1b79cc46deea278 Mon Sep 17 00:00:00 2001
From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Wed, 27 Apr 2022 22:59:32 +0800
Subject: [PATCH 03/79] Revert "gl-renderer: require GL_EXT_unpack_subimage"
This reverts commit 593d5af43a8e2c2a3371088fa7ae430d0517c82d.
For old mali, e.g. utgard.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
libweston/renderer-gl/gl-renderer-internal.h | 2 ++
libweston/renderer-gl/gl-renderer.c | 32 +++++++++++++++++---
2 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/libweston/renderer-gl/gl-renderer-internal.h b/libweston/renderer-gl/gl-renderer-internal.h
index d84d9d37..aae303e3 100644
--- a/libweston/renderer-gl/gl-renderer-internal.h
+++ b/libweston/renderer-gl/gl-renderer-internal.h
@@ -148,6 +148,8 @@ struct gl_renderer {
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window;
bool has_platform_base;
+ bool has_unpack_subimage;
+
PFNEGLBINDWAYLANDDISPLAYWL bind_display;
PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
diff --git a/libweston/renderer-gl/gl-renderer.c b/libweston/renderer-gl/gl-renderer.c
index 3a525698..edb2fba8 100644
--- a/libweston/renderer-gl/gl-renderer.c
+++ b/libweston/renderer-gl/gl-renderer.c
@@ -1793,6 +1793,7 @@ gl_renderer_flush_damage(struct weston_surface *surface,
{
const struct weston_testsuite_quirks *quirks =
&surface->compositor->test_data.test_quirks;
+ struct gl_renderer *gr = get_renderer(surface->compositor);
struct gl_surface_state *gs = get_surface_state(surface);
struct gl_buffer_state *gb = gs->buffer;
struct weston_view *view;
@@ -1835,6 +1836,27 @@ gl_renderer_flush_damage(struct weston_surface *surface,
glActiveTexture(GL_TEXTURE0);
+ if (!gr->has_unpack_subimage) {
+ wl_shm_buffer_begin_access(buffer->shm_buffer);
+ for (j = 0; j < gb->num_textures; j++) {
+ int hsub = pixel_format_hsub(buffer->pixel_format, j);
+ int vsub = pixel_format_vsub(buffer->pixel_format, j);
+
+ glBindTexture(GL_TEXTURE_2D, gb->textures[j]);
+ glTexImage2D(GL_TEXTURE_2D, 0,
+ gb->gl_format[j],
+ gb->pitch / hsub,
+ buffer->height / vsub,
+ 0,
+ gl_format_from_internal(gb->gl_format[j]),
+ gb->gl_pixel_type,
+ data + gb->offset[j]);
+ }
+ wl_shm_buffer_end_access(buffer->shm_buffer);
+
+ goto done;
+ }
+
if (gb->needs_full_upload || quirks->gl_force_full_upload) {
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
@@ -3878,11 +3900,9 @@ gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface)
else
ec->read_format = pixel_format_get_info_by_pixman(PIXMAN_a8b8g8r8);
- if (gr->gl_version < gr_gl_version(3, 0) &&
- !weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage")) {
- weston_log("GL_EXT_unpack_subimage not available.\n");
- return -1;
- }
+ if (gr->gl_version >= gr_gl_version(3, 0) ||
+ weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage"))
+ gr->has_unpack_subimage = true;
if (gr->gl_version >= gr_gl_version(3, 0) ||
weston_check_egl_extension(extensions, "GL_EXT_texture_type_2_10_10_10_REV"))
@@ -3937,6 +3957,8 @@ gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface)
yesno(gr->has_gl_texture_rg));
weston_log_continue(STAMP_SPACE "OES_EGL_image_external: %s\n",
yesno(gr->has_egl_image_external));
+ weston_log_continue(STAMP_SPACE "wl_shm sub-image to texture: %s\n",
+ gr->has_unpack_subimage ? "yes" : "no");
return 0;
}
--
2.20.1