renderer: replace wlr_texture_get_matrix by wlr_render_texture

backend/drm/drm.c

@@ -647,10 +647,8 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
 		glClearColor(0.0, 0.0, 0.0, 0.0);
 		glClear(GL_COLOR_BUFFER_BIT);
 
-		float matrix[9];
-		wlr_texture_get_matrix(plane->wlr_tex, matrix, plane->matrix, 0, 0);
-		wlr_render_texture_with_matrix(plane->surf.renderer->wlr_rend, plane->wlr_tex,
-			matrix, 1.0f);
+		wlr_render_texture(plane->surf.renderer->wlr_rend, plane->wlr_tex,
+			plane->matrix, 0, 0, 1.0f);
 
 		glFinish();
 		glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);

examples/output-layout.c

@@ -111,18 +111,14 @@ static void handle_output_frame(struct output_state *output,
 		.width = 128, .height = 128,
 	};
 	if (wlr_output_layout_intersects(sample->layout, output->output, &box)) {
-		float matrix[9];
-
 		// transform global coordinates to local coordinates
 		double local_x = sample->x_offs;
 		double local_y = sample->y_offs;
 		wlr_output_layout_output_coords(sample->layout, output->output,
 			&local_x, &local_y);
 
-		wlr_texture_get_matrix(sample->cat_texture, matrix,
-			wlr_output->transform_matrix, local_x, local_y);
-		wlr_render_texture_with_matrix(sample->renderer, sample->cat_texture,
-			matrix, 1.0f);
+		wlr_render_texture(sample->renderer, sample->cat_texture,
+			wlr_output->transform_matrix, local_x, local_y, 1.0f);
 	}
 
 	wlr_renderer_end(sample->renderer);

examples/rotation.c

@@ -46,13 +46,10 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 	wlr_renderer_begin(sample->renderer, wlr_output);
 	wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
 
-	float matrix[9];
 	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_texture_get_matrix(sample->cat_texture, matrix,
-				wlr_output->transform_matrix, x, y);
-			wlr_render_texture_with_matrix(sample->renderer,
-				sample->cat_texture, matrix, 1.0f);
+			wlr_render_texture(sample->renderer, sample->cat_texture,
+				wlr_output->transform_matrix, x, y, 1.0f);
 		}
 	}
 

examples/touch.c

@@ -45,15 +45,12 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 	wlr_renderer_begin(sample->renderer, wlr_output);
 	wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
 
-	float matrix[9];
 	struct touch_point *p;
 	wl_list_for_each(p, &sample->touch_points, link) {
-		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);
-		wlr_render_texture_with_matrix(sample->renderer, sample->cat_texture,
-			matrix, 1.0f);
+		int x = (int)(p->x * width) - sample->cat_texture->width / 2;
+		int y = (int)(p->y * height) - sample->cat_texture->height / 2;
+		wlr_render_texture(sample->renderer, sample->cat_texture,
+			wlr_output->transform_matrix, x, y, 1.0f);
 	}
 
 	wlr_renderer_end(sample->renderer);

include/wlr/render.h

@@ -25,21 +25,15 @@ void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box);
  */
 struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
 /**
- * Renders the requested texture using the provided matrix. A typical texture
- * rendering goes like so:
- *
- * 	struct wlr_renderer *renderer;
- * 	struct wlr_texture *texture;
- * 	float projection[9];
- * 	float matrix[9];
- * 	wlr_texture_get_matrix(texture, matrix, projection, 123, 321);
- * 	wlr_render_texture_with_matrix(renderer, texture, matrix, 0.5f);
- *
- * This will render the texture at <123, 321> with an alpha channel of 0.5.
+ * Renders the requested texture.
+ */
+bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
+	const float projection[static 9], int x, int y, float alpha);
+/**
+ * Renders the requested texture using the provided matrix.
  */
 bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
 	struct wlr_texture *texture, const float matrix[static 9], float alpha);
-
 /**
  * Renders a solid quad in the specified color.
  */
@@ -95,22 +89,22 @@ struct wlr_texture {
  * returns.
  */
 bool wlr_texture_upload_pixels(struct wlr_texture *tex,
-		enum wl_shm_format format, int stride, int width, int height,
-		const unsigned char *pixels);
+	enum wl_shm_format format, int stride, int width, int height,
+	const unsigned char *pixels);
 /**
  * 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);
+	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 *tex, uint32_t format,
-		struct wl_shm_buffer *shm);
+	struct wl_shm_buffer *shm);
 
 /**
  * Attaches the contents from the given wl_drm wl_buffer resource onto the
@@ -132,18 +126,7 @@ bool wlr_texture_upload_dmabuf(struct wlr_texture *tex,
  * 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.
- *
- * The projection matrix is assumed to be an orthographic projection of [0,
- * width) and [0, height], and the x and y coordinates provided are used as
- * such.
- */
-void wlr_texture_get_matrix(struct wlr_texture *texture, float mat[static 9],
-		const float projection[static 9], int x, int y);
+	int x, int y, int width, int height, struct wl_shm_buffer *shm);
 /**
  * Destroys this wlr_texture.
  */

include/wlr/render/interface.h

@@ -62,8 +62,6 @@ struct wlr_texture_impl {
 		uint32_t width, uint32_t height);
 	bool (*upload_dmabuf)(struct wlr_texture *texture,
 		struct wl_resource *dmabuf_resource);
-	void (*get_matrix)(struct wlr_texture *state, float mat[static 9],
-		const float projection[static 9], int x, int y);
 	void (*get_buffer_size)(struct wlr_texture *texture,
 		struct wl_resource *resource, int *width, int *height);
 	void (*bind)(struct wlr_texture *texture);

render/gles2/texture.c

@@ -227,7 +227,6 @@ static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
 	return true;
 }
 
-
 static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
 		struct wl_resource *dmabuf_resource) {
 	struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)_tex;
@@ -263,17 +262,6 @@ static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
 	return true;
 }
 
-static void gles2_texture_get_matrix(struct wlr_texture *_texture,
-		float mat[static 9], const float projection[static 9], int x, int y) {
-	struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
-	wlr_matrix_identity(mat);
-	wlr_matrix_translate(mat, x, y);
-	wlr_matrix_scale(mat, texture->wlr_texture.width,
-		texture->wlr_texture.height);
-	wlr_matrix_multiply(mat, projection, mat);
-}
-
-
 static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct
 		wl_resource *resource, int *width, int *height) {
 	if (!wlr_dmabuf_resource_is_buffer(resource)) {
@@ -287,7 +275,6 @@ static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct
 	return true;
 }
 
-
 static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
 		wl_resource *resource, int *width, int *height) {
 	struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource);
@@ -344,7 +331,6 @@ static struct wlr_texture_impl wlr_texture_impl = {
 	.upload_drm = gles2_texture_upload_drm,
 	.upload_dmabuf = gles2_texture_upload_dmabuf,
 	.upload_eglimage = gles2_texture_upload_eglimage,
-	.get_matrix = gles2_texture_get_matrix,
 	.get_buffer_size = gles2_texture_get_buffer_size,
 	.bind = gles2_texture_bind,
 	.destroy = gles2_texture_destroy,

render/wlr_renderer.c

@@ -1,6 +1,7 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <wlr/render/interface.h>
+#include <wlr/types/wlr_matrix.h>
 
 void wlr_renderer_init(struct wlr_renderer *renderer,
 		struct wlr_renderer_impl *impl) {
@@ -35,6 +36,17 @@ struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r) {
 	return r->impl->texture_create(r);
 }
 
+bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
+		const float projection[static 9], int x, int y, float alpha) {
+	float mat[9];
+	wlr_matrix_identity(mat);
+	wlr_matrix_translate(mat, x, y);
+	wlr_matrix_scale(mat, texture->width, texture->height);
+	wlr_matrix_multiply(mat, projection, mat);
+
+	return wlr_render_texture_with_matrix(r, texture, mat, alpha);
+}
+
 bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
 		struct wlr_texture *texture, const float matrix[static 9],
 		float alpha) {

render/wlr_texture.c

@@ -58,11 +58,6 @@ bool wlr_texture_upload_dmabuf(struct wlr_texture *texture,
 	return texture->impl->upload_dmabuf(texture, dmabuf_resource);
 }
 
-void wlr_texture_get_matrix(struct wlr_texture *texture,
-		float mat[static 9], const float projection[static 9], int x, int y) {
-	texture->impl->get_matrix(texture, mat, projection, x, y);
-}
-
 void wlr_texture_get_buffer_size(struct wlr_texture *texture, struct wl_resource
 		*resource, int *width, int *height) {
 	texture->impl->get_buffer_size(texture, resource, width, height);