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-rw-r--r--include/wlr/render.h24
-rw-r--r--include/wlr/render/interface.h5
-rw-r--r--render/gles2/texture.c62
-rw-r--r--render/wlr_texture.c13
-rw-r--r--types/wlr_surface.c2
5 files changed, 100 insertions, 6 deletions
diff --git a/include/wlr/render.h b/include/wlr/render.h
index 3dcc482c..61169333 100644
--- a/include/wlr/render.h
+++ b/include/wlr/render.h
@@ -62,19 +62,35 @@ struct wlr_texture {
};
/**
- * Uploads a pixel buffer to this texture. The buffer may be discarded after
- * calling this function.
+ * Copies pixels to this texture. The buffer is not accessed after this function
+ * returns.
*/
bool wlr_texture_upload_pixels(struct wlr_texture *surf,
enum wl_shm_format format, int stride, int width, int height,
const unsigned char *pixels);
/**
- * Uploads pixels from a wl_shm_buffer to this texture. The shm buffer may be
- * invalidated after calling this function.
+ * Copies pixels to this texture. The buffer is not accessed after this function
+ * returns. Under some circumstances, this function may re-upload the entire
+ * buffer - therefore, the entire buffer must be valid.
+ */
+bool wlr_texture_update_pixels(struct wlr_texture *surf,
+ enum wl_shm_format format, int stride, int x, int y,
+ int width, int height, const unsigned char *pixels);
+/**
+ * Copies pixels from a wl_shm_buffer into this texture. The buffer is not
+ * accessed after this function returns.
*/
bool wlr_texture_upload_shm(struct wlr_texture *surf, uint32_t format,
struct wl_shm_buffer *shm);
/**
+ * Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
+ * buffer is not accessed after this function returns. Under some circumstances,
+ * this function may re-upload the entire buffer - therefore, the entire buffer
+ * must be valid.
+ */
+bool wlr_texture_update_shm(struct wlr_texture *surf, uint32_t format,
+ int x, int y, int width, int height, struct wl_shm_buffer *shm);
+/**
* Prepares a matrix with the appropriate scale for the given texture and
* multiplies it with the projection, producing a matrix that the shader can
* muptlipy vertex coordinates with to get final screen coordinates.
diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h
index 83e34625..be9ffe7a 100644
--- a/include/wlr/render/interface.h
+++ b/include/wlr/render/interface.h
@@ -35,8 +35,13 @@ struct wlr_texture_impl {
bool (*upload_pixels)(struct wlr_texture_state *state,
enum wl_shm_format format, int stride, int width, int height,
const unsigned char *pixels);
+ bool (*update_pixels)(struct wlr_texture_state *state,
+ enum wl_shm_format format, int stride, int x, int y,
+ int width, int height, const unsigned char *pixels);
bool (*upload_shm)(struct wlr_texture_state *state, uint32_t format,
struct wl_shm_buffer *shm);
+ bool (*update_shm)(struct wlr_texture_state *surf, uint32_t format,
+ int x, int y, int width, int height, struct wl_shm_buffer *shm);
// TODO: egl
void (*get_matrix)(struct wlr_texture_state *state,
float (*matrix)[16], const float (*projection)[16], int x, int y);
diff --git a/render/gles2/texture.c b/render/gles2/texture.c
index bd588898..ff823fc1 100644
--- a/render/gles2/texture.c
+++ b/render/gles2/texture.c
@@ -29,11 +29,36 @@ static bool gles2_texture_upload_pixels(struct wlr_texture_state *texture,
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels));
- GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0));
texture->wlr_texture->valid = true;
return true;
}
+static bool gles2_texture_update_pixels(struct wlr_texture_state *texture,
+ enum wl_shm_format format, int stride, int x, int y,
+ int width, int height, const unsigned char *pixels) {
+ assert(texture && texture->wlr_texture->valid);
+ // TODO: Test if the unpack subimage extension is supported and adjust the
+ // upload strategy if not
+ if (texture->wlr_texture->format != format) {
+ return gles2_texture_upload_pixels(texture, format, stride,
+ width, height, pixels);
+ }
+ const struct pixel_format *fmt = gl_format_for_wl_format(format);
+ if (!fmt || !fmt->gl_format) {
+ wlr_log(L_ERROR, "No supported pixel format for this texture");
+ return false;
+ }
+ GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
+ GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y));
+ GL_CALL(glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
+ fmt->gl_format, fmt->gl_type, pixels));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
+ return true;
+}
+
static bool gles2_texture_upload_shm(struct wlr_texture_state *texture,
uint32_t format, struct wl_shm_buffer *buffer) {
const struct pixel_format *fmt = gl_format_for_wl_format(format);
@@ -54,6 +79,8 @@ static bool gles2_texture_upload_shm(struct wlr_texture_state *texture,
GL_CALL(glGenTextures(1, &texture->tex_id));
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels));
@@ -62,6 +89,37 @@ static bool gles2_texture_upload_shm(struct wlr_texture_state *texture,
return true;
}
+static bool gles2_texture_update_shm(struct wlr_texture_state *texture,
+ uint32_t format, int x, int y, int width, int height,
+ struct wl_shm_buffer *buffer) {
+ // TODO: Test if the unpack subimage extension is supported and adjust the
+ // upload strategy if not
+ assert(texture && texture->wlr_texture->valid);
+ if (texture->wlr_texture->format != format) {
+ return gles2_texture_upload_shm(texture, format, buffer);
+ }
+ const struct pixel_format *fmt = gl_format_for_wl_format(format);
+ if (!fmt || !fmt->gl_format) {
+ wlr_log(L_ERROR, "No supported pixel format for this texture");
+ return false;
+ }
+ wl_shm_buffer_begin_access(buffer);
+ uint8_t *pixels = wl_shm_buffer_get_data(buffer);
+ int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8);
+
+ GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
+ GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y));
+ GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
+ fmt->gl_format, fmt->gl_type, pixels));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
+ GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
+
+ wl_shm_buffer_end_access(buffer);
+ return true;
+}
+
static void gles2_texture_get_matrix(struct wlr_texture_state *texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
struct wlr_texture *_texture = texture->wlr_texture;
@@ -89,7 +147,9 @@ static void gles2_texture_destroy(struct wlr_texture_state *texture) {
static struct wlr_texture_impl wlr_texture_impl = {
.upload_pixels = gles2_texture_upload_pixels,
+ .update_pixels = gles2_texture_update_pixels,
.upload_shm = gles2_texture_upload_shm,
+ .update_shm = gles2_texture_update_shm,
.get_matrix = gles2_texture_get_matrix,
.bind = gles2_texture_bind,
.destroy = gles2_texture_destroy,
diff --git a/render/wlr_texture.c b/render/wlr_texture.c
index 926ee546..64f90990 100644
--- a/render/wlr_texture.c
+++ b/render/wlr_texture.c
@@ -25,11 +25,24 @@ bool wlr_texture_upload_pixels(struct wlr_texture *texture, uint32_t format,
format, stride, width, height, pixels);
}
+bool wlr_texture_update_pixels(struct wlr_texture *texture,
+ enum wl_shm_format format, int stride, int x, int y,
+ int width, int height, const unsigned char *pixels) {
+ return texture->impl->update_pixels(texture->state,
+ format, stride, x, y, width, height, pixels);
+}
+
bool wlr_texture_upload_shm(struct wlr_texture *texture, uint32_t format,
struct wl_shm_buffer *shm) {
return texture->impl->upload_shm(texture->state, format, shm);
}
+bool wlr_texture_update_shm(struct wlr_texture *texture, uint32_t format,
+ int x, int y, int width, int height, struct wl_shm_buffer *shm) {
+ return texture->impl->update_shm(texture->state, format,
+ x, y, width, height, shm);
+}
+
void wlr_texture_get_matrix(struct wlr_texture *texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
texture->impl->get_matrix(texture->state, matrix, projection, x, y);
diff --git a/types/wlr_surface.c b/types/wlr_surface.c
index 5bcf44a5..90f22a17 100644
--- a/types/wlr_surface.c
+++ b/types/wlr_surface.c
@@ -20,7 +20,7 @@ static void surface_attach(struct wl_client *client,
static void surface_damage(struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height) {
- wlr_log(L_DEBUG, "TODO: surface damage");
+ wlr_log(L_DEBUG, "damage: %dx%d@%d,%d", width, height, x, y);
}
static void destroy_frame_callback(struct wl_resource *resource) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 16:18:24 +0000