st/xorg: lots of rendering and xv changes

extract all the rendering code to xorg_rendedrer, make both exa and xv
share that code. in the process cleanup the rendering code and implement
a lot more of the xv infrastructure.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_renderer.h b/src/gallium/state_trackers/xorg/xorg_renderer.h
new file mode 100644
index 0000000000..b6296d5fd6
--- /dev/null
+++ b/src/gallium/state_trackers/xorg/xorg_renderer.h
@@ -0,0 +1,53 @@
+#ifndef XORG_RENDERER_H
+#define XORG_RENDERER_H
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+struct xorg_shaders;
+struct exa_pixmap_priv;
+
+struct xorg_renderer {
+   struct pipe_context *pipe;
+
+   struct cso_context *cso;
+   struct xorg_shaders *shaders;
+
+   struct pipe_constant_buffer vs_const_buffer;
+   struct pipe_constant_buffer fs_const_buffer;
+
+   /* we should combine these two */
+   float vertices2[4][2][4];
+   float vertices3[4][3][4];
+};
+
+struct xorg_renderer *renderer_create(struct pipe_context *pipe);
+void renderer_destroy(struct xorg_renderer *renderer);
+
+void renderer_bind_framebuffer(struct xorg_renderer *r,
+                               struct exa_pixmap_priv *priv);
+void renderer_bind_viewport(struct xorg_renderer *r,
+                            struct exa_pixmap_priv *dst);
+void renderer_bind_rasterizer(struct xorg_renderer *r);
+void renderer_set_constants(struct xorg_renderer *r,
+                            int shader_type,
+                            const float *buffer,
+                            int size);
+void renderer_copy_pixmap(struct xorg_renderer *r,
+                          struct exa_pixmap_priv *dst_priv, int dx, int dy,
+                          struct exa_pixmap_priv *src_priv, int sx, int sy,
+                          int width, int height);
+
+void renderer_draw_solid_rect(struct xorg_renderer *r,
+                              int x0, int y0,
+                              int x1, int y1,
+                              float *color);
+
+void renderer_draw_textures(struct xorg_renderer *r,
+                            int *pos,
+                            int width, int height,
+                            struct pipe_texture **textures,
+                            int num_textures);
+
+
+#endif