Hide texture layout details from the state tracker.

[mesa.git] / src / mesa / state_tracker / st_context.h

diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 3713328eb14dd3c2bffde3f5d63992b50013cc66..db97014c5a7ae0bbd450e42dacce8ca8df22a55b 100644 (file)
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -28,14 +28,14 @@
 #ifndef ST_CONTEXT_H
 #define ST_CONTEXT_H
 
-#include "mtypes.h"
+#include "main/mtypes.h"
+#include "shader/prog_cache.h"
 #include "pipe/p_state.h"
 
 
 struct st_context;
 struct st_region;
 struct st_texture_object;
-struct st_texture_image;
 struct st_fragment_program;
 struct draw_context;
 struct draw_stage;
@@ -46,6 +46,7 @@ struct cso_blend;
 #define ST_NEW_FRAGMENT_PROGRAM        0x2
 #define ST_NEW_VERTEX_PROGRAM          0x4
 
+
 struct st_state_flags {
    GLuint mesa;
    GLuint st;
@@ -59,6 +60,25 @@ struct st_tracked_state {
 
 
 
+struct st_texture_image
+{
+   struct gl_texture_image base;
+
+   /* These aren't stored in gl_texture_image 
+    */
+   GLuint level;
+   GLuint face;
+
+   /* If stImage->pt != NULL, image data is stored here.
+    * Else if stImage->base.Data != NULL, image is stored there.
+    * Else there is no image data.
+    */
+   struct pipe_texture *pt;
+
+   struct pipe_surface *surface;
+};
+
+
 
 struct st_context
 {
@@ -66,13 +86,13 @@ struct st_context
 
    struct pipe_context *pipe;
 
-   struct draw_context *draw;  /**< For selection/feedback */
-   struct draw_stage *feedback_stage;  /**< For FL_FEEDBACK rendermode */
+   struct draw_context *draw;  /**< For selection/feedback/rastpos only */
+   struct draw_stage *feedback_stage;  /**< For GL_FEEDBACK rendermode */
    struct draw_stage *selection_stage;  /**< For GL_SELECT rendermode */
+   struct draw_stage *rastpos_stage;  /**< For glRasterPos */
 
-   /* Eventually will use a cache to feed the pipe with
-    * create/bind/delete calls to constant state objects.  Not yet
-    * though, we just shove random objects across the interface.  
+   /* Some state is contained in constant objects.
+    * Other state is just parameter values.
     */
    struct {
       const struct cso_alpha_test      *alpha_test;
@@ -89,7 +109,7 @@ struct st_context
       struct pipe_constant_buffer constants[2];
       struct pipe_feedback_state feedback;
       struct pipe_framebuffer_state framebuffer;
-      struct pipe_mipmap_tree *texture[PIPE_MAX_SAMPLERS];
+      struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
       struct pipe_poly_stipple poly_stipple;
       struct pipe_scissor_state scissor;
       struct pipe_viewport_state viewport;
@@ -99,6 +119,7 @@ struct st_context
       struct st_tracked_state tracked_state[2];
    } constants;
 
+   /* XXX unused: */
    struct {
       struct gl_fragment_program *fragment_program;
    } cb;
@@ -110,6 +131,12 @@ struct st_context
    char vendor[100];
    char renderer[100];
 
+   /** Can we access the front/back color buffers as pipe_regions?
+    * We can't with the Xlib driver...
+    * This is a hack that should be fixed someday.
+    */
+   GLboolean haveFramebufferRegions;
+
    /* State to be validated:
     */
    struct st_tracked_state **atoms;
@@ -119,12 +146,27 @@ struct st_context
 
    GLfloat polygon_offset_scale; /* ?? */
 
-   /** Mapping from VERT_ATTRIB_x to post-transformed vertex slot */
-   GLuint vertex_attrib_to_slot[VERT_RESULT_MAX];
+   /** Mapping from VERT_RESULT_x to post-transformed vertex slot */
+   const GLuint *vertex_result_to_slot;
 
    struct st_vertex_program *vp;    /**< Currently bound vertex program */
    struct st_fragment_program *fp;  /**< Currently bound fragment program */
 
+   struct {
+      struct gl_program_cache *cache;
+      struct st_fragment_program *program;  /**< cur pixel transfer prog */
+      GLuint xfer_prog_sn;  /**< pixel xfer program serial no. */
+      GLuint user_prog_sn;  /**< user fragment program serial no. */
+      struct st_fragment_program *combined_prog;
+      GLuint combined_prog_sn;
+   } pixel_xfer;
+
+   struct {
+      struct st_fragment_program *program;  /**< bitmap tex/kil program */
+      GLuint user_prog_sn;  /**< user fragment program serial no. */
+      struct st_fragment_program *combined_prog;
+   } bitmap;
+
    /**
     * Buffer object which stores the ctx->Current.Attrib[] values.
     * Used for vertex array drawing when we we need an attribute for
@@ -144,8 +186,21 @@ static INLINE struct st_context *st_context(GLcontext *ctx)
 }
 
 
+/**
+ * Wrapper for GLframebuffer.
+ * This is an opaque type to the outside world.
+ */
+struct st_framebuffer
+{
+   GLframebuffer Base;
+   void *Private;
+};
+
+
 extern void st_init_driver_functions(struct dd_function_table *functions);
 
+void st_invalidate_state(GLcontext * ctx, GLuint new_state);
+
 
 
 #define Y_0_TOP 1