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render: replace EGL/OpenGL pipeline with wl_shm shared memory

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Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I15dbcca9d12b5c24ed8c82ecc375f4046a6a6964
This commit is contained in:
raf 2026-05-01 13:47:02 +03:00
commit 5ba4407367
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
6 changed files with 323 additions and 739 deletions
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37
include/chroma.h vendored
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@ -3,14 +3,11 @@
#include "wlr-layer-shell-unstable-v1.h"
#include "xdg-shell.h"
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
#include <wayland-client.h>
#include <wayland-egl.h>
#include "chroma_version.h"
@ -73,6 +70,7 @@ typedef struct {
int channels;
char path[MAX_PATH_LEN];
bool loaded;
bool data_from_stbi; // true if data was allocated by stbi_load
int ref_count; // Number of outputs using this image
} chroma_image_t;
@ -94,10 +92,14 @@ typedef struct {
// Rendering context
struct wl_surface *surface;
struct zwlr_layer_surface_v1 *layer_surface;
struct wl_egl_window *egl_window;
EGLSurface egl_surface;
uint32_t configure_serial;
// Shared memory buffer
struct wl_buffer *shm_buffer;
void *shm_data;
size_t shm_size;
int shm_stride;
// Associated wallpaper
chroma_image_t *image;
@ -108,15 +110,6 @@ typedef struct {
float anchor_x; // custom X offset (0-100, 50=center)
float anchor_y; // custom Y offset (0-100, 50=center)
bool config_loaded;
// OpenGL resource cache
GLuint texture_id;
GLuint shader_program;
GLuint vbo;
GLuint ebo;
bool gl_resources_initialized;
bool texture_uploaded;
bool vbo_dirty; // track VBO needs update
bool configured; // track if initial configure received
} chroma_output_t;
@ -159,14 +152,7 @@ typedef struct chroma_state {
struct wl_registry *registry;
struct wl_compositor *compositor;
struct zwlr_layer_shell_v1 *layer_shell;
// EGL context
EGLDisplay egl_display;
EGLContext egl_context;
EGLConfig egl_config;
// Shared OpenGL resources
GLuint shader_program;
struct wl_shm *shm;
// Outputs
chroma_output_t outputs[MAX_OUTPUTS];
@ -221,13 +207,12 @@ void chroma_output_description(void *data, struct wl_output *output,
const char *description);
void chroma_output_done(void *data, struct wl_output *output);
// EGL and rendering
int chroma_egl_init(chroma_state_t *state);
void chroma_egl_cleanup(chroma_state_t *state);
// Rendering and surface management
int chroma_surface_create(chroma_state_t *state, chroma_output_t *output);
void chroma_surface_destroy(chroma_output_t *output);
int chroma_buffer_create(chroma_state_t *state, chroma_output_t *output);
void chroma_buffer_destroy(chroma_output_t *output);
int chroma_render_wallpaper(chroma_state_t *state, chroma_output_t *output);
void chroma_output_invalidate_texture(chroma_output_t *output);
// Layer shell functions
void chroma_layer_surface_configure(void *data,