vl: seperate shader buffers from components

[mesa.git] / src / gallium / auxiliary / vl / vl_vertex_buffers.h

diff --git a/src/gallium/auxiliary/vl/vl_vertex_buffers.h b/src/gallium/auxiliary/vl/vl_vertex_buffers.h
index 0f7f47f2703acd7a3e562f63151fa0964e06c181..0a865996005d624ae59dcea8a4365b779dda46f1 100644 (file)
--- a/src/gallium/auxiliary/vl/vl_vertex_buffers.h
+++ b/src/gallium/auxiliary/vl/vl_vertex_buffers.h
@@ -27,58 +27,112 @@
 #ifndef vl_vertex_buffers_h
 #define vl_vertex_buffers_h
 
-#include <assert.h>
-#include <pipe/p_state.h>
-#include <pipe/p_video_state.h>
+#include "pipe/p_state.h"
+#include "pipe/p_video_state.h"
+
+#include "vl_defines.h"
 #include "vl_types.h"
 
+/* vertex buffers act as a todo list
+ * uploading all the usefull informations to video ram
+ * so a vertex shader can work with them
+ */
+
+/* inputs to the vertex shaders */
 enum VS_INPUT
 {
-   VS_I_RECT,
-   VS_I_VPOS,
-   VS_I_EB_0_0,
-   VS_I_EB_0_1,
-   VS_I_EB_1_0,
-   VS_I_EB_1_1,
-   VS_I_MV0,
-   VS_I_MV1,
-   VS_I_MV2,
-   VS_I_MV3,
-
-   NUM_VS_INPUTS
+   VS_I_RECT = 0,
+   VS_I_VPOS = 1,
+
+   VS_I_BLOCK_NUM = 2,
+
+   VS_I_MV_TOP = 2,
+   VS_I_MV_BOTTOM = 3,
+
+   NUM_VS_INPUTS = 4
+};
+
+enum vl_mv_weight
+{
+   PIPE_VIDEO_MV_WEIGHT_MIN = 0,
+   PIPE_VIDEO_MV_WEIGHT_HALF = 128,
+   PIPE_VIDEO_MV_WEIGHT_MAX = 256
+};
+
+enum vl_field_select
+{
+   PIPE_VIDEO_FRAME = 0,
+   PIPE_VIDEO_TOP_FIELD = 1,
+   PIPE_VIDEO_BOTTOM_FIELD = 3,
+
+   /* TODO
+   PIPE_VIDEO_DUALPRIME
+   PIPE_VIDEO_16x8
+   */
+};
+
+struct vl_motionvector
+{
+   struct {
+      int16_t x, y;
+      int16_t field_select; /**< enum pipe_video_field_select */
+      int16_t weight;  /**< enum pipe_video_mv_weight  */
+   } top, bottom;
+};
+
+struct vl_ycbcr_block
+{
+   uint8_t x, y;
+   uint8_t intra;
+   uint8_t coding;
+   float block_num;
 };
 
 struct vl_vertex_buffer
 {
-   unsigned size;
-   unsigned num_not_empty;
-   unsigned num_empty;
-   struct pipe_resource *resource;
-   struct pipe_transfer *transfer;
-   struct vl_vertex_stream *start;
-   struct vl_vertex_stream *end;
+   unsigned width, height;
+
+   struct {
+      struct pipe_resource  *resource;
+      struct pipe_transfer  *transfer;
+      struct vl_ycbcr_block *vertex_stream;
+   } ycbcr[VL_MAX_PLANES];
+
+   struct {
+      struct pipe_resource   *resource;
+      struct pipe_transfer   *transfer;
+      struct vl_motionvector *vertex_stream;
+   } mv[VL_MAX_REF_FRAMES];
 };
 
-struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe,
-                                             unsigned blocks_x, unsigned blocks_y);
+struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe);
+
+struct pipe_vertex_buffer vl_vb_upload_pos(struct pipe_context *pipe, unsigned width, unsigned height);
 
-void *vl_vb_get_elems_state(struct pipe_context *pipe, bool include_mvs);
+void *vl_vb_get_ves_ycbcr(struct pipe_context *pipe);
 
-struct pipe_vertex_buffer vl_vb_init(struct vl_vertex_buffer *buffer,
-                                     struct pipe_context *pipe,
-                                     unsigned max_blocks);
+void *vl_vb_get_ves_mv(struct pipe_context *pipe);
+
+bool vl_vb_init(struct vl_vertex_buffer *buffer,
+                struct pipe_context *pipe,
+                unsigned width, unsigned height);
+
+unsigned vl_vb_attributes_per_plock(struct vl_vertex_buffer *buffer);
 
 void vl_vb_map(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);
 
-void vl_vb_add_block(struct vl_vertex_buffer *buffer, struct pipe_mpeg12_macroblock *mb,
-                     const unsigned (*empty_block_mask)[3][2][2]);
+struct pipe_vertex_buffer vl_vb_get_ycbcr(struct vl_vertex_buffer *buffer, int component);
 
-void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);
+struct vl_ycbcr_block *vl_vb_get_ycbcr_stream(struct vl_vertex_buffer *buffer, int component);
+
+struct pipe_vertex_buffer vl_vb_get_mv(struct vl_vertex_buffer *buffer, int ref_frame);
 
-void vl_vb_restart(struct vl_vertex_buffer *buffer,
-                   unsigned *not_empty_start_instance, unsigned *not_empty_num_instances,
-                   unsigned *empty_start_instance, unsigned *empty_num_instances);
+unsigned vl_vb_get_mv_stream_stride(struct vl_vertex_buffer *buffer);
+
+struct vl_motionvector *vl_vb_get_mv_stream(struct vl_vertex_buffer *buffer, int ref_frame);
+
+void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);
 
 void vl_vb_cleanup(struct vl_vertex_buffer *buffer);
 
-#endif
+#endif /* vl_vertex_buffers_h */