vl/compositor: add per vertex color suport
[mesa.git] / src / gallium / auxiliary / vl / vl_compositor.h
index 51755554da1b9098b8cf4dd2c885df07fd6cb36c..f86a3f5f8dbbd98b0a9f879199c472bc63fe03b4 100644 (file)
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
+ *
  * Copyright 2009 Younes Manton.
  * All Rights Reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
+ *
  **************************************************************************/
 
 #ifndef vl_compositor_h
 #define vl_compositor_h
 
-#include <pipe/p_compiler.h>
-#include <pipe/p_state.h>
-#include <pipe/p_video_state.h>
+#include "pipe/p_state.h"
+#include "pipe/p_video_decoder.h"
+#include "pipe/p_video_state.h"
+
+#include "util/u_rect.h"
+
+#include "vl_types.h"
 
 struct pipe_context;
-struct pipe_texture;
 
-struct vl_compositor
+/**
+ * composing and displaying of image data
+ */
+
+#define VL_COMPOSITOR_MAX_LAYERS 16
+
+/* deinterlace allgorithem */
+enum vl_compositor_deinterlace
+{
+   VL_COMPOSITOR_WEAVE,
+   VL_COMPOSITOR_BOB_TOP,
+   VL_COMPOSITOR_BOB_BOTTOM
+};
+
+struct vl_compositor_layer
+{
+   bool clearing;
+
+   void *fs;
+   void *samplers[3];
+   void *blend;
+
+   struct pipe_sampler_view *sampler_views[3];
+   struct {
+      struct vertex2f tl, br;
+   } src, dst;
+   struct vertex2f zw;
+   struct vertex4f colors[4];
+};
+
+struct vl_compositor_state
 {
    struct pipe_context *pipe;
 
-   struct pipe_framebuffer_state fb_state;
-   void *sampler;
-   void *vertex_shader;
-   void *fragment_shader;
-   void *vertex_elems;
+   bool viewport_valid, scissor_valid;
    struct pipe_viewport_state viewport;
    struct pipe_scissor_state scissor;
-   struct pipe_vertex_buffer vertex_bufs[2];
-   struct pipe_buffer *vs_const_buf, *fs_const_buf;
+   struct pipe_resource *csc_matrix;
+
+   union pipe_color_union clear_color;
+
+   unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
+   struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
 };
 
-bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
-
-void vl_compositor_cleanup(struct vl_compositor *compositor);
-
-void vl_compositor_render(struct vl_compositor          *compositor,
-                          /*struct pipe_texture         *backround,
-                          struct pipe_video_rect        *backround_area,*/
-                          struct pipe_texture           *src_surface,
-                          enum pipe_mpeg12_picture_type picture_type,
-                          /*unsigned                    num_past_surfaces,
-                          struct pipe_texture           *past_surfaces,
-                          unsigned                      num_future_surfaces,
-                          struct pipe_texture           *future_surfaces,*/
-                          struct pipe_video_rect        *src_area,
-                          struct pipe_texture           *dst_surface,
-                          struct pipe_video_rect        *dst_area,
-                          /*unsigned                      num_layers,
-                          struct pipe_texture           *layers,
-                          struct pipe_video_rect        *layer_src_areas,
-                          struct pipe_video_rect        *layer_dst_areas,*/
-                          struct pipe_fence_handle      **fence);
-
-void vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float *mat);
+struct vl_compositor
+{
+   struct pipe_context *pipe;
+
+   struct pipe_framebuffer_state fb_state;
+   struct pipe_vertex_buffer vertex_buf;
+
+   void *sampler_linear;
+   void *sampler_nearest;
+   void *blend_clear, *blend_add;
+   void *rast;
+   void *dsa;
+   void *vertex_elems_state;
+
+   void *vs;
+   void *fs_video_buffer;
+   void *fs_weave;
+   void *fs_rgba;
+
+   struct {
+      void *rgb;
+      void *yuv;
+   } fs_palette;
+};
+
+/**
+ * initialize this compositor
+ */
+bool
+vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
+
+/**
+ * init state bag
+ */
+bool
+vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe);
+
+/**
+ * set yuv -> rgba conversion matrix
+ */
+void
+vl_compositor_set_csc_matrix(struct vl_compositor_state *settings, const float mat[16]);
+
+/**
+ * reset dirty area, so it's cleared with the clear colour
+ */
+void
+vl_compositor_reset_dirty_area(struct u_rect *dirty);
+
+/**
+ * set the clear color
+ */
+void
+vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
+
+/**
+ * get the clear color
+ */
+void
+vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
+
+/**
+ * set the destination area
+ */
+void
+vl_compositor_set_dst_area(struct vl_compositor_state *settings, struct u_rect *dst_area);
+
+/**
+ * set the destination clipping
+ */
+void
+vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip);
+
+/**
+ * set overlay samplers
+ */
+/*@{*/
+
+/**
+ * reset all currently set layers
+ */
+void
+vl_compositor_clear_layers(struct vl_compositor_state *state);
+
+/**
+ * set the blender used to render a layer
+ */
+void
+vl_compositor_set_layer_blend(struct vl_compositor_state *state,
+                              unsigned layer, void *blend, bool is_clearing);
+
+/**
+ * set a video buffer as a layer to render
+ */
+void
+vl_compositor_set_buffer_layer(struct vl_compositor_state *state,
+                               struct vl_compositor *compositor,
+                               unsigned layer,
+                               struct pipe_video_buffer *buffer,
+                               struct u_rect *src_rect,
+                               struct u_rect *dst_rect,
+                               enum vl_compositor_deinterlace deinterlace);
+
+/**
+ * set a paletted sampler as a layer to render
+ */
+void
+vl_compositor_set_palette_layer(struct vl_compositor_state *state,
+                                struct vl_compositor *compositor,
+                                unsigned layer,
+                                struct pipe_sampler_view *indexes,
+                                struct pipe_sampler_view *palette,
+                                struct u_rect *src_rect,
+                                struct u_rect *dst_rect,
+                                bool include_color_conversion);
+
+/**
+ * set a rgba sampler as a layer to render
+ */
+void
+vl_compositor_set_rgba_layer(struct vl_compositor_state *state,
+                             struct vl_compositor *compositor,
+                             unsigned layer,
+                             struct pipe_sampler_view *rgba,
+                             struct u_rect *src_rect,
+                             struct u_rect *dst_rect,
+                             struct vertex4f *colors);
+
+/*@}*/
+
+/**
+ * render the layers to the frontbuffer
+ */
+void
+vl_compositor_render(struct vl_compositor_state *state,
+                     struct vl_compositor       *compositor,
+                     struct pipe_surface        *dst_surface,
+                     struct u_rect              *dirty_area);
+
+/**
+ * destroy this compositor
+ */
+void
+vl_compositor_cleanup(struct vl_compositor *compositor);
+
+/**
+ * destroy this state bag
+ */
+void
+vl_compositor_cleanup_state(struct vl_compositor_state *state);
 
 #endif /* vl_compositor_h */