6 files changed, 201 insertions, 44 deletions

diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h
index 97a28016..aa429e8e 100644
--- a/include/wlr/render/egl.h
+++ b/include/wlr/render/egl.h
@@ -6,6 +6,7 @@
 #include <pixman.h>
 #include <stdbool.h>
 #include <wayland-server.h>
+#include <wlr/types/wlr_linux_dmabuf.h>
 
 struct wlr_egl {
 	EGLDisplay display;
@@ -18,6 +19,8 @@ struct wlr_egl {
 	struct {
 		bool buffer_age;
 		bool swap_buffers_with_damage;
+		bool dmabuf_import;
+		bool dmabuf_import_modifiers;
 	} egl_exts;
 
 	struct wl_display *wl_display;
@@ -62,14 +65,34 @@ EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl,
 		EGLenum target, EGLClientBuffer buffer, const EGLint *attribs);
 
 /**
- * Destroys an egl image created with the given wlr_egl.
+ * Creates an egl image from the given dmabuf attributes. Check usability
+ * of the dmabuf with wlr_egl_check_import_dmabuf once first.
  */
-bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
+EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
+		struct wlr_dmabuf_buffer_attribs *attributes);
 
 /**
- * Returns a string for the last error ocurred with egl.
+ * Try to import the given dmabuf. On success return true false otherwise.
+ * If this succeeds the dmabuf can be used for rendering on a texture
  */
-const char *egl_error(void);
+bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
+		struct wlr_dmabuf_buffer *dmabuf);
+
+/**
+ * Get the available dmabuf formats
+ */
+int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
+
+/**
+ * Get the available dmabuf modifiers for a given format
+ */
+int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
+		uint64_t **modifiers);
+
+/**
+ * Destroys an egl image created with the given wlr_egl.
+ */
+bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
 
 bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
 	int *buffer_age);
diff --git a/include/wlr/render/gles2.h b/include/wlr/render/gles2.h
index a924a065..b3b43ab2 100644
--- a/include/wlr/render/gles2.h
+++ b/include/wlr/render/gles2.h
@@ -2,7 +2,7 @@
 #define WLR_RENDER_GLES2_H
 
 #include <wlr/backend.h>
-#include <wlr/render.h>
+#include <wlr/render/wlr_renderer.h>
 
 struct wlr_egl;
 struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_backend *backend);
diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h
index eda5af1c..d4cd35f8 100644
--- a/include/wlr/render/interface.h
+++ b/include/wlr/render/interface.h
@@ -5,28 +5,32 @@
 #include <EGL/eglext.h>
 #include <stdbool.h>
 #include <wayland-server-protocol.h>
-#include <wlr/render.h>
+#include <wlr/render/wlr_renderer.h>
+#include <wlr/render/wlr_texture.h>
 #include <wlr/types/wlr_box.h>
+#include <wlr/types/wlr_linux_dmabuf.h>
 #include <wlr/types/wlr_output.h>
 
 struct wlr_renderer_impl;
 
 struct wlr_renderer {
-	struct wlr_renderer_impl *impl;
+	const struct wlr_renderer_impl *impl;
 };
 
 struct wlr_renderer_impl {
-	void (*begin)(struct wlr_renderer *renderer, struct wlr_output *output);
+	void (*begin)(struct wlr_renderer *renderer, uint32_t width,
+		uint32_t height);
 	void (*end)(struct wlr_renderer *renderer);
-	void (*clear)(struct wlr_renderer *renderer, const float (*color)[4]);
+	void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
 	void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
 	struct wlr_texture *(*texture_create)(struct wlr_renderer *renderer);
-	bool (*render_with_matrix)(struct wlr_renderer *renderer,
-		struct wlr_texture *texture, const float (*matrix)[16], float alpha);
-	void (*render_quad)(struct wlr_renderer *renderer,
-		const float (*color)[4], const float (*matrix)[16]);
-	void (*render_ellipse)(struct wlr_renderer *renderer,
-		const float (*color)[4], const float (*matrix)[16]);
+	bool (*render_texture_with_matrix)(struct wlr_renderer *renderer,
+		struct wlr_texture *texture, const float matrix[static 9],
+		float alpha);
+	void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
+		const float color[static 4], const float matrix[static 9]);
+	void (*render_ellipse_with_matrix)(struct wlr_renderer *renderer,
+		const float color[static 4], const float matrix[static 9]);
 	const enum wl_shm_format *(*formats)(
 		struct wlr_renderer *renderer, size_t *len);
 	bool (*buffer_is_drm)(struct wlr_renderer *renderer,
@@ -41,7 +45,7 @@ struct wlr_renderer_impl {
 };
 
 void wlr_renderer_init(struct wlr_renderer *renderer,
-		struct wlr_renderer_impl *impl);
+		const struct wlr_renderer_impl *impl);
 
 struct wlr_texture_impl {
 	bool (*upload_pixels)(struct wlr_texture *texture,
@@ -58,18 +62,16 @@ struct wlr_texture_impl {
 		struct wl_resource *drm_buf);
 	bool (*upload_eglimage)(struct wlr_texture *texture, EGLImageKHR image,
 		uint32_t width, uint32_t height);
-	void (*get_matrix)(struct wlr_texture *state,
-		float (*matrix)[16], const float (*projection)[16], int x, int y);
+	bool (*upload_dmabuf)(struct wlr_texture *texture,
+		struct wl_resource *dmabuf_resource);
 	void (*get_buffer_size)(struct wlr_texture *texture,
 		struct wl_resource *resource, int *width, int *height);
-	void (*bind)(struct wlr_texture *texture);
 	void (*destroy)(struct wlr_texture *texture);
 };
 
 void wlr_texture_init(struct wlr_texture *texture,
-		struct wlr_texture_impl *impl);
-void wlr_texture_bind(struct wlr_texture *texture);
+	const struct wlr_texture_impl *impl);
 void wlr_texture_get_buffer_size(struct wlr_texture *texture,
-		struct wl_resource *resource, int *width, int *height);
+	struct wl_resource *resource, int *width, int *height);
 
 #endif
diff --git a/include/wlr/render/matrix.h b/include/wlr/render/matrix.h
deleted file mode 100644
index a333bf0f..00000000
--- a/include/wlr/render/matrix.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef WLR_RENDER_MATRIX_H
-#define WLR_RENDER_MATRIX_H
-
-#include <stdint.h>
-#include <wlr/types/wlr_box.h>
-
-void wlr_matrix_identity(float (*output)[16]);
-void wlr_matrix_translate(float (*output)[16], float x, float y, float z);
-void wlr_matrix_scale(float (*output)[16], float x, float y, float z);
-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_transform(float mat[static 16],
-		enum wl_output_transform transform);
-void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
-		enum wl_output_transform transform);
-void wlr_matrix_project_box(float (*mat)[16], struct wlr_box *box,
-		enum wl_output_transform transform, float rotation, float
-		(*projection)[16]);
-
-#endif
diff --git a/include/wlr/render/wlr_renderer.h b/include/wlr/render/wlr_renderer.h
new file mode 100644
index 00000000..5c78089e
--- /dev/null
+++ b/include/wlr/render/wlr_renderer.h
@@ -0,0 +1,85 @@
+#ifndef WLR_RENDER_WLR_RENDERER_H
+#define WLR_RENDER_WLR_RENDERER_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <stdint.h>
+#include <wayland-server-protocol.h>
+#include <wlr/render/wlr_texture.h>
+#include <wlr/types/wlr_box.h>
+
+struct wlr_output;
+
+struct wlr_renderer;
+
+void wlr_renderer_begin(struct wlr_renderer *r, int width, int height);
+void wlr_renderer_end(struct wlr_renderer *r);
+void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]);
+/**
+ * Defines a scissor box. Only pixels that lie within the scissor box can be
+ * modified by drawing functions. Providing a NULL `box` disables the scissor
+ * box.
+ */
+void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box);
+/**
+ * Requests a texture handle from this renderer.
+ */
+struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
+/**
+ * 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 rectangle in the specified color.
+ */
+void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
+	const float color[static 4], const float projection[static 9]);
+/**
+ * Renders a solid quadrangle in the specified color with the specified matrix.
+ */
+void wlr_render_quad_with_matrix(struct wlr_renderer *r,
+	const float color[static 4], const float matrix[static 9]);
+/**
+ * Renders a solid ellipse in the specified color.
+ */
+void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
+	const float color[static 4], const float projection[static 9]);
+/**
+ * Renders a solid ellipse in the specified color with the specified matrix.
+ */
+void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
+	const float color[static 4], const float matrix[static 9]);
+/**
+ * Returns a list of pixel formats supported by this renderer.
+ */
+const enum wl_shm_format *wlr_renderer_get_formats(struct wlr_renderer *r,
+	size_t *len);
+/**
+ * Returns true if this wl_buffer is a DRM buffer.
+ */
+bool wlr_renderer_buffer_is_drm(struct wlr_renderer *renderer,
+	struct wl_resource *buffer);
+/**
+ * Reads out of pixels of the currently bound surface into data. `stride` is in
+ * bytes.
+ */
+bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
+	uint32_t stride, uint32_t width, uint32_t height,
+	uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, void *data);
+/**
+ * Checks if a format is supported.
+ */
+bool wlr_renderer_format_supported(struct wlr_renderer *r,
+	enum wl_shm_format fmt);
+/**
+ * Destroys this wlr_renderer. Textures must be destroyed separately.
+ */
+void wlr_renderer_destroy(struct wlr_renderer *renderer);
+
+#endif
diff --git a/include/wlr/render/wlr_texture.h b/include/wlr/render/wlr_texture.h
new file mode 100644
index 00000000..095097e6
--- /dev/null
+++ b/include/wlr/render/wlr_texture.h
@@ -0,0 +1,69 @@
+#ifndef WLR_RENDER_WLR_TEXTURE_H
+#define WLR_RENDER_WLR_TEXTURE_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <stdint.h>
+#include <wayland-server-protocol.h>
+
+struct wlr_texture_impl;
+
+struct wlr_texture {
+	const struct wlr_texture_impl *impl;
+
+	bool valid;
+	uint32_t format;
+	int width, height;
+	bool inverted_y;
+	struct wl_signal destroy_signal;
+	struct wl_resource *resource;
+};
+
+/**
+ * Copies pixels to this texture. The buffer is not accessed after this function
+ * 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);
+/**
+ * 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 *tex, uint32_t format,
+	struct wl_shm_buffer *shm);
+/**
+ * Attaches the contents from the given wl_drm wl_buffer resource onto the
+ * texture. The wl_resource is not used after this call.
+ * Will fail (return false) if the given resource is no drm buffer.
+ */
+bool wlr_texture_upload_drm(struct wlr_texture *tex,
+	struct wl_resource *drm_buffer);
+
+bool wlr_texture_upload_eglimage(struct wlr_texture *tex,
+	EGLImageKHR image, uint32_t width, uint32_t height);
+
+bool wlr_texture_upload_dmabuf(struct wlr_texture *tex,
+	struct wl_resource *dmabuf_resource);
+/**
+ * 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);
+/**
+ * Destroys this wlr_texture.
+ */
+void wlr_texture_destroy(struct wlr_texture *texture);
+
+#endif