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render/gles2: reword wlr_gles2_texture comments

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These comments were a bit misleading:

- "GL_TEXTURE_2D == mutable": not really, imported non-external-only
  DMA-BUFs would also use this target, but are not mutable.
- "Only affects target == GL_TEXTURE_2D": same here.
- "If imported from a wlr_buffer": not really, would be NULL if
  imported from a shm wlr_buffer.

Adjust these comments to better reflect reality and adjust the check
in gles2_texture_update_from_buffer().
This commit is contained in:
Simon Ser 2023-11-30 16:38:25 +01:00
parent 84bef5c0c2
commit 876d789ad5
2 changed files with 3 additions and 8 deletions
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9
include/render/gles2.h
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@ -118,19 +118,14 @@ struct wlr_gles2_texture {
struct wlr_gles2_renderer *renderer; struct wlr_gles2_renderer *renderer;
struct wl_list link; // wlr_gles2_renderer.textures struct wl_list link; // wlr_gles2_renderer.textures
// Basically:
// GL_TEXTURE_2D == mutable
// GL_TEXTURE_EXTERNAL_OES == immutable
GLenum target; GLenum target;
bool owns_tex; bool owns_tex;
GLuint tex; GLuint tex;
bool has_alpha; bool has_alpha;
// Only affects target == GL_TEXTURE_2D uint32_t drm_format; // for mutable textures only, used to interpret upload data
uint32_t drm_format; // used to interpret upload data struct wlr_gles2_buffer *buffer; // for DMA-BUF imports only
// If imported from a wlr_buffer
struct wlr_gles2_buffer *buffer;
}; };
struct wlr_gles2_render_pass { struct wlr_gles2_render_pass {

2
render/gles2/texture.c
View file

@ -32,7 +32,7 @@ static bool gles2_texture_update_from_buffer(struct wlr_texture *wlr_texture,
struct wlr_buffer *buffer, const pixman_region32_t *damage) { struct wlr_buffer *buffer, const pixman_region32_t *damage) {
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
if (texture->target != GL_TEXTURE_2D || texture->buffer) { if (texture->drm_format == DRM_FORMAT_INVALID) {
return false; return false;
} }