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 38d6a3ed86e2dbe40815893fd041de5a48d26e6f..db97014c5a7ae0bbd450e42dacce8ca8df22a55b 100644 (file)
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -28,32 +28,57 @@
 #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;
+struct cso_cache;
+struct cso_blend;
 
 #define ST_NEW_MESA                    0x1 /* Mesa state has changed */
 #define ST_NEW_FRAGMENT_PROGRAM        0x2
 #define ST_NEW_VERTEX_PROGRAM          0x4
 
+
 struct st_state_flags {
    GLuint mesa;
    GLuint st;
 };
 
 struct st_tracked_state {
+   const char *name;
    struct st_state_flags dirty;
    void (*update)( struct st_context *st );
 };
 
 
 
+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
 {
@@ -61,34 +86,40 @@ struct st_context
 
    struct pipe_context *pipe;
 
-   /* 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.  
+   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 */
+
+   /* Some state is contained in constant objects.
+    * Other state is just parameter values.
     */
    struct {
-      struct pipe_alpha_test_state  alpha_test;
-      struct pipe_blend_state  blend;
+      const struct cso_alpha_test      *alpha_test;
+      const struct cso_blend           *blend;
+      const struct cso_sampler         *sampler[PIPE_MAX_SAMPLERS];
+      const struct cso_depth_stencil   *depth_stencil;
+      const struct cso_rasterizer      *rasterizer;
+      const struct cso_fragment_shader *fs;
+      const struct cso_vertex_shader   *vs;
+
       struct pipe_blend_color  blend_color;
       struct pipe_clear_color_state clear_color;
       struct pipe_clip_state clip;
       struct pipe_constant_buffer constants[2];
-      struct pipe_depth_state depth;
+      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_sampler_state sampler[PIPE_MAX_SAMPLERS];
       struct pipe_scissor_state scissor;
-      struct pipe_setup_state  setup;
-      struct pipe_shader_state fs;
-      struct pipe_shader_state vs;
-      struct pipe_stencil_state stencil;
       struct pipe_viewport_state viewport;
    } state;
 
    struct {
-      struct st_tracked_state tracked_state;
+      struct st_tracked_state tracked_state[2];
    } constants;
 
+   /* XXX unused: */
    struct {
       struct gl_fragment_program *fragment_program;
    } cb;
@@ -97,6 +128,15 @@ struct st_context
       GLuint frontbuffer_dirty:1;
    } flags;
 
+   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;
@@ -106,7 +146,35 @@ struct st_context
 
    GLfloat polygon_offset_scale; /* ?? */
 
+   /** 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
+    * which there's no enabled array.
+    */
    struct pipe_buffer_handle *default_attrib_buffer;
+
+   struct cso_cache *cache;
 };
 
 
@@ -118,8 +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