Merge pull request #48 from nyorain/wlr_texture

Rename wlr_surface -> wlr_texture; attach -> upload

backend/drm/drm.c

@@ -224,8 +224,8 @@ static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
 		gbm_surface_destroy(plane->gbm);
 	}
 
-	if (plane->wlr_surf) {
+	if (plane->wlr_tex) {
-		wlr_surface_destroy(plane->wlr_surf);
+		wlr_texture_destroy(plane->wlr_tex);
 	}
 	if (plane->wlr_rend) {
 		wlr_renderer_destroy(plane->wlr_rend);
@@ -241,7 +241,7 @@ static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
 	plane->front = NULL;
 	plane->back = NULL;
 	plane->wlr_rend = NULL;
-	plane->wlr_surf = NULL;
+	plane->wlr_tex = NULL;
 	plane->cursor_bo = NULL;
 }
 
@@ -605,7 +605,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
 
 		// OpenGL will read the pixels out upside down,
 		// so we need to flip the image vertically
-		wlr_matrix_surface(plane->matrix, plane->width, plane->height,
+		wlr_matrix_texture(plane->matrix, plane->width, plane->height,
 			output->base->transform ^ WL_OUTPUT_TRANSFORM_FLIPPED_180);
 
 		plane->wlr_rend = wlr_gles2_renderer_init();
@@ -613,8 +613,8 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
 			return false;
 		}
 
-		plane->wlr_surf = wlr_render_surface_init(plane->wlr_rend);
+		plane->wlr_tex = wlr_render_texture_init(plane->wlr_rend);
-		if (!plane->wlr_surf) {
+		if (!plane->wlr_tex) {
 			return false;
 		}
 	}
@@ -633,7 +633,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
 
 	wlr_drm_plane_make_current(renderer, plane);
 
-	wlr_surface_attach_pixels(plane->wlr_surf, WL_SHM_FORMAT_ARGB8888,
+	wlr_texture_upload_pixels(plane->wlr_tex, WL_SHM_FORMAT_ARGB8888,
 		stride, width, height, buf);
 
 	glViewport(0, 0, plane->width, plane->height);
@@ -641,8 +641,8 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
 	glClear(GL_COLOR_BUFFER_BIT);
 
 	float matrix[16];
-	wlr_surface_get_matrix(plane->wlr_surf, &matrix, &plane->matrix, 0, 0);
+	wlr_texture_get_matrix(plane->wlr_tex, &matrix, &plane->matrix, 0, 0);
-	wlr_render_with_matrix(plane->wlr_rend, plane->wlr_surf, &matrix);
+	wlr_render_with_matrix(plane->wlr_rend, plane->wlr_tex, &matrix);
 
 	glFinish();
 	glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);

examples/compositor/main.c

@@ -32,11 +32,11 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
 	struct wl_resource *_res;
 	float matrix[16];
 	wl_list_for_each(_res, &sample->compositor.surfaces, link) {
-		struct wlr_surface *surface = wl_resource_get_user_data(_res);
+		struct wlr_texture *texture = wl_resource_get_user_data(_res);
-		if (surface->valid) {
+		if (texture->valid) {
-			wlr_surface_get_matrix(surface, &matrix,
+			wlr_texture_get_matrix(texture, &matrix,
 					&wlr_output->transform_matrix, 200, 200);
-			wlr_render_with_matrix(sample->renderer, surface, &matrix);
+			wlr_render_with_matrix(sample->renderer, texture, &matrix);
 		}
 	}
 

examples/compositor/wl_compositor.c

@@ -10,10 +10,10 @@ static void surface_destroy(struct wl_client *client, struct wl_resource *resour
 static void surface_attach(struct wl_client *client,
 		struct wl_resource *resource,
 		struct wl_resource *buffer_resource, int32_t sx, int32_t sy) {
-	struct wlr_surface *surface = wl_resource_get_user_data(resource);
+	struct wlr_texture *texture = wl_resource_get_user_data(resource);
 	struct wl_shm_buffer *buffer = wl_shm_buffer_get(buffer_resource);
 	uint32_t format = wl_shm_buffer_get_format(buffer);
-	wlr_surface_attach_shm(surface, format, buffer);
+	wlr_texture_upload_shm(texture, format, buffer);
 }
 
 static void surface_damage(struct wl_client *client,
@@ -78,13 +78,13 @@ struct wl_surface_interface surface_interface = {
 };
 
 static void destroy_surface(struct wl_resource *resource) {
-	struct wlr_surface *surface = wl_resource_get_user_data(resource);
+	struct wlr_texture *surface = wl_resource_get_user_data(resource);
-	wlr_surface_destroy(surface);
+	wlr_texture_destroy(surface);
 }
 
 static void destroy_surface_listener(struct wl_listener *listener, void *data) {
 	struct wl_compositor_state *state;
-	struct wlr_surface *surface = data;
+	struct wlr_texture *surface = data;
 	state = wl_container_of(listener, state, destroy_surface_listener);
 
 	struct wl_resource *res = NULL;
@@ -101,13 +101,13 @@ static void wl_compositor_create_surface(struct wl_client *client,
 	struct wl_compositor_state *state = wl_resource_get_user_data(resource);
 	struct wl_resource *surface_resource = wl_resource_create(client,
 			&wl_surface_interface, wl_resource_get_version(resource), id);
-	struct wlr_surface *surface = wlr_render_surface_init(state->renderer);
+	struct wlr_texture *texture = wlr_render_texture_init(state->renderer);
-	surface->resource = surface_resource;
+	texture->resource = surface_resource;
 	wl_resource_set_implementation(surface_resource, &surface_interface,
-			surface, destroy_surface);
+			texture, destroy_surface);
-	wl_resource_set_user_data(surface_resource, surface);
+	wl_resource_set_user_data(surface_resource, texture);
 	wl_list_insert(&state->surfaces, wl_resource_get_link(surface_resource));
-	wl_signal_add(&surface->destroy_signal, &state->destroy_surface_listener);
+	wl_signal_add(&texture->destroy_signal, &state->destroy_surface_listener);
 }
 
 static void wl_compositor_create_region(struct wl_client *client,

examples/rotation.c

@@ -23,7 +23,7 @@
 struct sample_state {
 	struct wl_list config;
 	struct wlr_renderer *renderer;
-	struct wlr_surface *cat_texture;
+	struct wlr_texture *cat_texture;
 };
 
 struct output_data {
@@ -52,7 +52,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 	float matrix[16];
 	for (int y = -128 + (int)odata->y_offs; y < height; y += 128) {
 		for (int x = -128 + (int)odata->x_offs; x < width; x += 128) {
-			wlr_surface_get_matrix(sample->cat_texture, &matrix,
+			wlr_texture_get_matrix(sample->cat_texture, &matrix,
 				&wlr_output->transform_matrix, x, y);
 			wlr_render_with_matrix(sample->renderer,
 					sample->cat_texture, &matrix);
@@ -205,13 +205,13 @@ int main(int argc, char *argv[]) {
 	compositor_init(&compositor);
 
 	state.renderer = wlr_gles2_renderer_init();
-	state.cat_texture = wlr_render_surface_init(state.renderer);
+	state.cat_texture = wlr_render_texture_init(state.renderer);
-	wlr_surface_attach_pixels(state.cat_texture, WL_SHM_FORMAT_ABGR8888,
+	wlr_texture_upload_pixels(state.cat_texture, WL_SHM_FORMAT_ABGR8888,
 		cat_tex.width, cat_tex.width, cat_tex.height, cat_tex.pixel_data);
 
 	compositor_run(&compositor);
 
-	wlr_surface_destroy(state.cat_texture);
+	wlr_texture_destroy(state.cat_texture);
 	wlr_renderer_destroy(state.renderer);
 
 	struct output_config *ptr, *tmp;

examples/touch.c

@@ -22,7 +22,7 @@
 
 struct sample_state {
 	struct wlr_renderer *renderer;
-	struct wlr_surface *cat_texture;
+	struct wlr_texture *cat_texture;
 	list_t *touch_points;
 };
 
@@ -45,7 +45,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 	float matrix[16];
 	for (size_t i = 0; i < sample->touch_points->length; ++i) {
 		struct touch_point *p = sample->touch_points->items[i];
-		wlr_surface_get_matrix(sample->cat_texture, &matrix,
+		wlr_texture_get_matrix(sample->cat_texture, &matrix,
 			&wlr_output->transform_matrix,
 			(int)(p->x * width) - sample->cat_texture->width / 2,
 			(int)(p->y * height) - sample->cat_texture->height / 2);
@@ -105,12 +105,12 @@ int main(int argc, char *argv[]) {
 	compositor_init(&compositor);
 
 	state.renderer = wlr_gles2_renderer_init();
-	state.cat_texture = wlr_render_surface_init(state.renderer);
+	state.cat_texture = wlr_render_texture_init(state.renderer);
-	wlr_surface_attach_pixels(state.cat_texture, WL_SHM_FORMAT_ARGB8888,
+	wlr_texture_upload_pixels(state.cat_texture, WL_SHM_FORMAT_ARGB8888,
 		cat_tex.width, cat_tex.width, cat_tex.height, cat_tex.pixel_data);
 
 	compositor_run(&compositor);
 
-	wlr_surface_destroy(state.cat_texture);
+	wlr_texture_destroy(state.cat_texture);
 	wlr_renderer_destroy(state.renderer);
 }

include/backend/drm.h

@@ -35,7 +35,7 @@ struct wlr_drm_plane {
 	// Only used by cursor
 	float matrix[16];
 	struct wlr_renderer *wlr_rend;
-	struct wlr_surface *wlr_surf;
+	struct wlr_texture *wlr_tex;
 	struct gbm_bo *cursor_bo;
 
 	union wlr_drm_plane_props props;

include/render/gles2.h

@@ -14,8 +14,8 @@ struct pixel_format {
 	GLuint *shader;
 };
 
-struct wlr_surface_state {
+struct wlr_texture_state {
-	struct wlr_surface *wlr_surface;
+	struct wlr_texture *wlr_texture;
 	GLuint tex_id;
 	const struct pixel_format *pixel_format;
 };
@@ -31,7 +31,7 @@ extern struct shaders shaders;
 
 const struct pixel_format *gl_format_for_wl_format(enum wl_shm_format fmt);
 
-struct wlr_surface *gles2_surface_init();
+struct wlr_texture *gles2_texture_init();
 
 extern const GLchar quad_vertex_src[];
 extern const GLchar quad_fragment_src[];

include/wlr/render.h

@@ -4,30 +4,30 @@
 #include <wayland-server-protocol.h>
 #include <wlr/types/wlr_output.h>
 
-struct wlr_surface;
+struct wlr_texture;
 struct wlr_renderer;
 
 void wlr_renderer_begin(struct wlr_renderer *r, struct wlr_output *output);
 void wlr_renderer_end(struct wlr_renderer *r);
 /**
- * Requests a surface handle from this renderer.
+ * Requests a texture handle from this renderer.
  */
-struct wlr_surface *wlr_render_surface_init(struct wlr_renderer *r);
+struct wlr_texture *wlr_render_texture_init(struct wlr_renderer *r);
 /**
- * Renders the requested surface using the provided matrix. A typical surface
+ * Renders the requested texture using the provided matrix. A typical texture
  * rendering goes like so:
  *
  * 	struct wlr_renderer *renderer;
- * 	struct wlr_surface *surface;
+ * 	struct wlr_texture *texture;
  * 	float projection[16];
  * 	float matrix[16];
- * 	wlr_surface_get_matrix(surface, &matrix, &projection, 123, 321);
+ * 	wlr_texture_get_matrix(texture, &matrix, &projection, 123, 321);
- * 	wlr_render_with_matrix(renderer, surface, &matrix);
+ * 	wlr_render_with_matrix(renderer, texture, &matrix);
  *
- * This will render the surface at <123, 321>.
+ * This will render the texture at <123, 321>.
  */
 bool wlr_render_with_matrix(struct wlr_renderer *r,
-		struct wlr_surface *surface, const float (*matrix)[16]);
+		struct wlr_texture *texture, const float (*matrix)[16]);
 /**
  * Renders a solid quad in the specified color.
  */
@@ -44,16 +44,16 @@ void wlr_render_colored_ellipse(struct wlr_renderer *r,
 const enum wl_shm_format *wlr_renderer_get_formats(
 		struct wlr_renderer *r, size_t *len);
 /**
- * Destroys this wlr_renderer. Surfaces must be destroyed separately.
+ * Destroys this wlr_renderer. Textures must be destroyed separately.
  */
 void wlr_renderer_destroy(struct wlr_renderer *renderer);
 
-struct wlr_surface_impl;
+struct wlr_texture_impl;
-struct wlr_surface_state;
+struct wlr_texture_state;
 
-struct wlr_surface {
+struct wlr_texture {
-	struct wlr_surface_impl *impl;
+	struct wlr_texture_impl *impl;
-	struct wlr_surface_state *state;
+	struct wlr_texture_state *state;
 	bool valid;
 	uint32_t format;
 	int width, height;
@@ -62,20 +62,20 @@ struct wlr_surface {
 };
 
 /**
- * Attaches a pixel buffer to this surface. The buffer may be discarded after
+ * Uploads a pixel buffer to this texture. The buffer may be discarded after
  * calling this function.
  */
-bool wlr_surface_attach_pixels(struct wlr_surface *surf,
+bool wlr_texture_upload_pixels(struct wlr_texture *surf,
 		enum wl_shm_format format, int stride, int width, int height,
 		const unsigned char *pixels);
 /**
- * Attaches pixels from a wl_shm_buffer to this surface. The shm buffer may be
+ * Uploads pixels from a wl_shm_buffer to this texture. The shm buffer may be
  * invalidated after calling this function.
  */
-bool wlr_surface_attach_shm(struct wlr_surface *surf, uint32_t format,
+bool wlr_texture_upload_shm(struct wlr_texture *surf, uint32_t format,
 		struct wl_shm_buffer *shm);
 /**
- * Prepares a matrix with the appropriate scale for the given surface and
+ * 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.
  *
@@ -83,11 +83,11 @@ bool wlr_surface_attach_shm(struct wlr_surface *surf, uint32_t format,
  * width) and [0, height], and the x and y coordinates provided are used as
  * such.
  */
-void wlr_surface_get_matrix(struct wlr_surface *surface,
+void wlr_texture_get_matrix(struct wlr_texture *texture,
 		float (*matrix)[16], const float (*projection)[16], int x, int y);
 /**
- * Destroys this wlr_surface.
+ * Destroys this wlr_texture.
  */
-void wlr_surface_destroy(struct wlr_surface *tex);
+void wlr_texture_destroy(struct wlr_texture *texture);
 
 #endif

include/wlr/render/interface.h

@@ -16,9 +16,9 @@ struct wlr_renderer {
 struct wlr_renderer_impl {
 	void (*begin)(struct wlr_renderer_state *state, struct wlr_output *output);
 	void (*end)(struct wlr_renderer_state *state);
-	struct wlr_surface *(*surface_init)(struct wlr_renderer_state *state);
+	struct wlr_texture *(*texture_init)(struct wlr_renderer_state *state);
 	bool (*render_with_matrix)(struct wlr_renderer_state *state,
-		struct wlr_surface *surface, const float (*matrix)[16]);
+		struct wlr_texture *texture, const float (*matrix)[16]);
 	void (*render_quad)(struct wlr_renderer_state *state,
 		const float (*color)[4], const float (*matrix)[16]);
 	void (*render_ellipse)(struct wlr_renderer_state *state,
@@ -31,20 +31,20 @@ struct wlr_renderer_impl {
 struct wlr_renderer *wlr_renderer_init(struct wlr_renderer_state *state,
 		struct wlr_renderer_impl *impl);
 
-struct wlr_surface_impl {
+struct wlr_texture_impl {
-	bool (*attach_pixels)(struct wlr_surface_state *state,
+	bool (*upload_pixels)(struct wlr_texture_state *state,
 		enum wl_shm_format format, int stride, int width, int height,
 		const unsigned char *pixels);
-	bool (*attach_shm)(struct wlr_surface_state *state, uint32_t format,
+	bool (*upload_shm)(struct wlr_texture_state *state, uint32_t format,
 		struct wl_shm_buffer *shm);
 	// TODO: egl
-	void (*get_matrix)(struct wlr_surface_state *state,
+	void (*get_matrix)(struct wlr_texture_state *state,
 		float (*matrix)[16], const float (*projection)[16], int x, int y);
-	void (*bind)(struct wlr_surface_state *state);
+	void (*bind)(struct wlr_texture_state *state);
-	void (*destroy)(struct wlr_surface_state *state);
+	void (*destroy)(struct wlr_texture_state *state);
 };
 
-struct wlr_surface *wlr_surface_init();
+struct wlr_texture *wlr_texture_init();
-void wlr_surface_bind(struct wlr_surface *surface);
+void wlr_texture_bind(struct wlr_texture *texture);
 
 #endif

include/wlr/render/matrix.h

@@ -10,7 +10,7 @@ void wlr_matrix_rotate(float (*output)[16], float radians);
 void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)[16]);
 
 enum wl_output_transform;
-void wlr_matrix_surface(float mat[static 16], int32_t width, int32_t height,
+void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
 		enum wl_output_transform transform);
 
 #endif

include/wlr/types/wlr_output.h

@@ -49,7 +49,7 @@ struct wlr_output {
 		int32_t x, y;
 		uint32_t width, height;
 		struct wlr_renderer *renderer;
-		struct wlr_surface *texture;
+		struct wlr_texture *texture;
 	} cursor;
 };
 

render/gles2/renderer.c

@@ -91,8 +91,8 @@ static void wlr_gles2_end(struct wlr_renderer_state *state) {
 	// no-op
 }
 
-static struct wlr_surface *wlr_gles2_surface_init(struct wlr_renderer_state *state) {
+static struct wlr_texture *wlr_gles2_texture_init(struct wlr_renderer_state *state) {
-	return gles2_surface_init();
+	return gles2_texture_init();
 }
 
 static void draw_quad() {
@@ -121,14 +121,14 @@ static void draw_quad() {
 	GL_CALL(glDisableVertexAttribArray(1));
 }
 
-static bool wlr_gles2_render_surface(struct wlr_renderer_state *state,
+static bool wlr_gles2_render_texture(struct wlr_renderer_state *state,
-		struct wlr_surface *surface, const float (*matrix)[16]) {
+		struct wlr_texture *texture, const float (*matrix)[16]) {
-	if(!surface || !surface->valid) {
+	if(!texture || !texture->valid) {
-		wlr_log(L_ERROR, "attempt to render invalid surface");
+		wlr_log(L_ERROR, "attempt to render invalid texture");
 		return false;
 	}
 
-	wlr_surface_bind(surface);
+	wlr_texture_bind(texture);
 	GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix));
 	// TODO: source alpha from somewhere else I guess
 	GL_CALL(glUniform1f(2, 1.0f));
@@ -171,8 +171,8 @@ static void wlr_gles2_destroy(struct wlr_renderer_state *state) {
 static struct wlr_renderer_impl wlr_renderer_impl = {
 	.begin = wlr_gles2_begin,
 	.end = wlr_gles2_end,
-	.surface_init = wlr_gles2_surface_init,
+	.texture_init = wlr_gles2_texture_init,
-	.render_with_matrix = wlr_gles2_render_surface,
+	.render_with_matrix = wlr_gles2_render_texture,
 	.render_quad = wlr_gles2_render_quad,
 	.render_ellipse = wlr_gles2_render_ellipse,
 	.formats = wlr_gles2_formats,

render/gles2/surface.c

@@ -1,104 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#include <wayland-util.h>
-#include <wayland-server-protocol.h>
-#include <wlr/render.h>
-#include <wlr/render/interface.h>
-#include <wlr/render/matrix.h>
-#include <wlr/util/log.h>
-#include "render/gles2.h"
-
-static bool gles2_surface_attach_pixels(struct wlr_surface_state *surface,
-		enum wl_shm_format format, int stride, int width, int height,
-		const unsigned char *pixels) {
-	assert(surface);
-	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 surface");
-		return false;
-	}
-	surface->wlr_surface->width = width;
-	surface->wlr_surface->height = height;
-	surface->wlr_surface->format = format;
-	surface->pixel_format = fmt;
-	GL_CALL(glGenTextures(1, &surface->tex_id));
-	GL_CALL(glBindTexture(GL_TEXTURE_2D, surface->tex_id));
-	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));
-	surface->wlr_surface->valid = true;
-	return true;
-}
-
-static bool gles2_surface_attach_shm(struct wlr_surface_state *surface,
-		uint32_t format, struct wl_shm_buffer *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 surface");
-		return false;
-	}
-	wl_shm_buffer_begin_access(buffer);
-	uint8_t *pixels = wl_shm_buffer_get_data(buffer);
-	int width = wl_shm_buffer_get_width(buffer);
-	int height = wl_shm_buffer_get_height(buffer);
-	int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8);
-	surface->wlr_surface->width = width;
-	surface->wlr_surface->height = height;
-	surface->wlr_surface->format = format;
-	surface->pixel_format = fmt;
-
-	GL_CALL(glGenTextures(1, &surface->tex_id));
-	GL_CALL(glBindTexture(GL_TEXTURE_2D, surface->tex_id));
-	GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
-	GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
-				fmt->gl_format, fmt->gl_type, pixels));
-
-	surface->wlr_surface->valid = true;
-	wl_shm_buffer_end_access(buffer);
-	return true;
-}
-
-static void gles2_surface_get_matrix(struct wlr_surface_state *surface,
-		float (*matrix)[16], const float (*projection)[16], int x, int y) {
-	struct wlr_surface *_surface = surface->wlr_surface;
-	float world[16];
-	wlr_matrix_identity(matrix);
-	wlr_matrix_translate(&world, x, y, 0);
-	wlr_matrix_mul(matrix, &world, matrix);
-	wlr_matrix_scale(&world, _surface->width, _surface->height, 1);
-	wlr_matrix_mul(matrix, &world, matrix);
-	wlr_matrix_mul(projection, matrix, matrix);
-}
-
-static void gles2_surface_bind(struct wlr_surface_state *surface) {
-	GL_CALL(glBindTexture(GL_TEXTURE_2D, surface->tex_id));
-	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
-	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
-	GL_CALL(glUseProgram(*surface->pixel_format->shader));
-}
-
-static void gles2_surface_destroy(struct wlr_surface_state *surface) {
-	wl_signal_emit(&surface->wlr_surface->destroy_signal, surface->wlr_surface);
-	GL_CALL(glDeleteTextures(1, &surface->tex_id));
-	free(surface);
-}
-
-static struct wlr_surface_impl wlr_surface_impl = {
-	.attach_pixels = gles2_surface_attach_pixels,
-	.attach_shm = gles2_surface_attach_shm,
-	.get_matrix = gles2_surface_get_matrix,
-	.bind = gles2_surface_bind,
-	.destroy = gles2_surface_destroy,
-};
-
-struct wlr_surface *gles2_surface_init() {
-	struct wlr_surface_state *state = calloc(sizeof(struct wlr_surface_state), 1);
-	struct wlr_surface *surface = wlr_surface_init(state, &wlr_surface_impl);
-	state->wlr_surface = surface;
-	wl_signal_init(&surface->destroy_signal);
-	return surface;
-}

render/gles2/texture.c

@@ -0,0 +1,104 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <wayland-util.h>
+#include <wayland-server-protocol.h>
+#include <wlr/render.h>
+#include <wlr/render/interface.h>
+#include <wlr/render/matrix.h>
+#include <wlr/util/log.h>
+#include "render/gles2.h"
+
+static bool gles2_texture_upload_pixels(struct wlr_texture_state *texture,
+		enum wl_shm_format format, int stride, int width, int height,
+		const unsigned char *pixels) {
+	assert(texture);
+	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;
+	}
+	texture->wlr_texture->width = width;
+	texture->wlr_texture->height = height;
+	texture->wlr_texture->format = format;
+	texture->pixel_format = fmt;
+	GL_CALL(glGenTextures(1, &texture->tex_id));
+	GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
+	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_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);
+	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 width = wl_shm_buffer_get_width(buffer);
+	int height = wl_shm_buffer_get_height(buffer);
+	int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8);
+	texture->wlr_texture->width = width;
+	texture->wlr_texture->height = height;
+	texture->wlr_texture->format = format;
+	texture->pixel_format = fmt;
+
+	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(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
+				fmt->gl_format, fmt->gl_type, pixels));
+
+	texture->wlr_texture->valid = true;
+	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;
+	float world[16];
+	wlr_matrix_identity(matrix);
+	wlr_matrix_translate(&world, x, y, 0);
+	wlr_matrix_mul(matrix, &world, matrix);
+	wlr_matrix_scale(&world, _texture->width, _texture->height, 1);
+	wlr_matrix_mul(matrix, &world, matrix);
+	wlr_matrix_mul(projection, matrix, matrix);
+}
+
+static void gles2_texture_bind(struct wlr_texture_state *texture) {
+	GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
+	GL_CALL(glUseProgram(*texture->pixel_format->shader));
+}
+
+static void gles2_texture_destroy(struct wlr_texture_state *texture) {
+	wl_signal_emit(&texture->wlr_texture->destroy_signal, texture->wlr_texture);
+	GL_CALL(glDeleteTextures(1, &texture->tex_id));
+	free(texture);
+}
+
+static struct wlr_texture_impl wlr_texture_impl = {
+	.upload_pixels = gles2_texture_upload_pixels,
+	.upload_shm = gles2_texture_upload_shm,
+	.get_matrix = gles2_texture_get_matrix,
+	.bind = gles2_texture_bind,
+	.destroy = gles2_texture_destroy,
+};
+
+struct wlr_texture *gles2_texture_init() {
+	struct wlr_texture_state *state = calloc(sizeof(struct wlr_texture_state), 1);
+	struct wlr_texture *texture = wlr_texture_init(state, &wlr_texture_impl);
+	state->wlr_texture = texture;
+	wl_signal_init(&texture->destroy_signal);
+	return texture;
+}

render/matrix.c

@@ -119,7 +119,7 @@ static const float transforms[][4] = {
 };
 
 // Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
-void wlr_matrix_surface(float mat[static 16], int32_t width, int32_t height,
+void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
 		enum wl_output_transform transform) {
 	memset(mat, 0, sizeof(*mat) * 16);
 

render/meson.build

@@ -1,10 +1,10 @@
 wlr_files += files(
     'matrix.c',
     'wlr_renderer.c',
-    'wlr_surface.c',
+    'wlr_texture.c',
     'gles2/pixel_format.c',
     'gles2/renderer.c',
     'gles2/shaders.c',
-    'gles2/surface.c',
+    'gles2/texture.c',
     'gles2/util.c',
 )

render/wlr_renderer.c

@@ -23,13 +23,13 @@ void wlr_renderer_end(struct wlr_renderer *r) {
 	r->impl->end(r->state);
 }
 
-struct wlr_surface *wlr_render_surface_init(struct wlr_renderer *r) {
+struct wlr_texture *wlr_render_texture_init(struct wlr_renderer *r) {
-	return r->impl->surface_init(r->state);
+	return r->impl->texture_init(r->state);
 }
 
 bool wlr_render_with_matrix(struct wlr_renderer *r,
-		struct wlr_surface *surface, const float (*matrix)[16]) {
+		struct wlr_texture *texture, const float (*matrix)[16]) {
-	return r->impl->render_with_matrix(r->state, surface, matrix);
+	return r->impl->render_with_matrix(r->state, texture, matrix);
 }
 
 void wlr_render_colored_quad(struct wlr_renderer *r,

render/wlr_surface.c

@@ -1,36 +0,0 @@
-#include <stdlib.h>
-#include <stdbool.h>
-#include <wlr/render/interface.h>
-
-struct wlr_surface *wlr_surface_init(struct wlr_surface_state *state,
-		struct wlr_surface_impl *impl) {
-	struct wlr_surface *s = calloc(sizeof(struct wlr_surface), 1);
-	s->state = state;
-	s->impl = impl;
-	return s;
-}
-
-void wlr_surface_destroy(struct wlr_surface *surface) {
-	surface->impl->destroy(surface->state);
-	free(surface);
-}
-
-void wlr_surface_bind(struct wlr_surface *surface) {
-	surface->impl->bind(surface->state);
-}
-
-bool wlr_surface_attach_pixels(struct wlr_surface *surface, uint32_t format,
-		int stride, int width, int height, const unsigned char *pixels) {
-	return surface->impl->attach_pixels(surface->state,
-			format, stride, width, height, pixels);
-}
-
-bool wlr_surface_attach_shm(struct wlr_surface *surface, uint32_t format,
-		struct wl_shm_buffer *shm) {
-	return surface->impl->attach_shm(surface->state, format, shm);
-}
-
-void wlr_surface_get_matrix(struct wlr_surface *surface,
-		float (*matrix)[16], const float (*projection)[16], int x, int y) {
-	surface->impl->get_matrix(surface->state, matrix, projection, x, y);
-}

render/wlr_texture.c

@@ -0,0 +1,36 @@
+#include <stdlib.h>
+#include <stdbool.h>
+#include <wlr/render/interface.h>
+
+struct wlr_texture *wlr_texture_init(struct wlr_texture_state *state,
+		struct wlr_texture_impl *impl) {
+	struct wlr_texture *t = calloc(sizeof(struct wlr_texture), 1);
+	t->state = state;
+	t->impl = impl;
+	return t;
+}
+
+void wlr_texture_destroy(struct wlr_texture *texture) {
+	texture->impl->destroy(texture->state);
+	free(texture);
+}
+
+void wlr_texture_bind(struct wlr_texture *texture) {
+	texture->impl->bind(texture->state);
+}
+
+bool wlr_texture_upload_pixels(struct wlr_texture *texture, uint32_t format,
+		int stride, int width, int height, const unsigned char *pixels) {
+	return texture->impl->upload_pixels(texture->state,
+			format, stride, 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);
+}
+
+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);
+}

types/wlr_output.c

@@ -89,7 +89,7 @@ struct wl_global *wlr_output_create_global(
 }
 
 void wlr_output_update_matrix(struct wlr_output *output) {
-	wlr_matrix_surface(output->transform_matrix, output->width, output->height, output->transform);
+	wlr_matrix_texture(output->transform_matrix, output->width, output->height, output->transform);
 }
 
 struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
@@ -144,10 +144,10 @@ bool wlr_output_set_cursor(struct wlr_output *output,
 	}
 
 	if (!output->cursor.texture) {
-		output->cursor.texture = wlr_render_surface_init(output->cursor.renderer);
+		output->cursor.texture = wlr_render_texture_init(output->cursor.renderer);
 	}
 
-	wlr_surface_attach_pixels(output->cursor.texture, WL_SHM_FORMAT_ARGB8888,
+	wlr_texture_upload_pixels(output->cursor.texture, WL_SHM_FORMAT_ARGB8888,
 		stride, width, height, buf);
 
 	return true;
@@ -200,7 +200,7 @@ void wlr_output_swap_buffers(struct wlr_output *output) {
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		float matrix[16];
-		wlr_surface_get_matrix(output->cursor.texture, &matrix, &output->transform_matrix,
+		wlr_texture_get_matrix(output->cursor.texture, &matrix, &output->transform_matrix,
 			output->cursor.x, output->cursor.y);
 		wlr_render_with_matrix(output->cursor.renderer, output->cursor.texture, &matrix);
 	}