nvc0: kill assert in ppp code

[mesa.git] / src / gallium / drivers / softpipe / sp_tex_sample.h

diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.h b/src/gallium/drivers/softpipe/sp_tex_sample.h
index 40d8eb2c2a89050cacb8f94e85f322ae14506a78..8b40a80406637dee87975341879c6786cfda6381 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_tex_sample.h
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.h
@@ -2,6 +2,7 @@
  * 
  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
+ * Copyright 2010 VMware, Inc.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
@@ -32,42 +33,135 @@
 #include "tgsi/tgsi_exec.h"
 
 
+struct sp_sampler_view;
+struct sp_sampler;
+
+typedef void (*wrap_nearest_func)(float s,
+                                  unsigned size,
+                                  int *icoord);
+
+typedef void (*wrap_linear_func)(float s, 
+                                 unsigned size,
+                                 int *icoord0,
+                                 int *icoord1,
+                                 float *w);
+
+typedef float (*compute_lambda_func)(const struct sp_sampler_view *sp_sview,
+                                     const float s[TGSI_QUAD_SIZE],
+                                     const float t[TGSI_QUAD_SIZE],
+                                     const float p[TGSI_QUAD_SIZE]);
+
+typedef void (*img_filter_func)(struct sp_sampler_view *sp_sview,
+                                struct sp_sampler *sp_samp,
+                                float s,
+                                float t,
+                                float p,
+                                unsigned level,
+                                unsigned face_id,
+                                float *rgba);
+
+typedef void (*mip_filter_func)(struct sp_sampler_view *sp_sview,
+                                struct sp_sampler *sp_samp,
+                                img_filter_func min_filter,
+                                img_filter_func mag_filter,
+                                const float s[TGSI_QUAD_SIZE],
+                                const float t[TGSI_QUAD_SIZE],
+                                const float p[TGSI_QUAD_SIZE],
+                                const float c0[TGSI_QUAD_SIZE],
+                                const float lod[TGSI_QUAD_SIZE],
+                                enum tgsi_sampler_control control,
+                                float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]);
+
+
+typedef void (*filter_func)(struct sp_sampler_view *sp_sview,
+                            struct sp_sampler *sp_samp,
+                            const float s[TGSI_QUAD_SIZE],
+                            const float t[TGSI_QUAD_SIZE],
+                            const float p[TGSI_QUAD_SIZE],
+                            const float c0[TGSI_QUAD_SIZE],
+                            const float lod[TGSI_QUAD_SIZE],
+                            enum tgsi_sampler_control control,
+                            float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]);
+
+
+typedef void (*fetch_func)(struct sp_sampler_view *sp_sview,
+                           const int i[TGSI_QUAD_SIZE],
+                           const int j[TGSI_QUAD_SIZE], const int k[TGSI_QUAD_SIZE],
+                           const int lod[TGSI_QUAD_SIZE], const int8_t offset[3],
+                           float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]);
+
+
+struct sp_sampler_view
+{
+   struct pipe_sampler_view base;
+
+   /* For sp_get_samples_2d_linear_POT:
+    */
+   unsigned xpot;
+   unsigned ypot;
+
+   boolean need_swizzle;
+   boolean pot2d;
+
+   filter_func get_samples;
+
+   /* this is just abusing the sampler_view object as local storage */
+   unsigned faces[TGSI_QUAD_SIZE];
+
+   /* these are different per shader type */
+   struct softpipe_tex_tile_cache *cache;
+   compute_lambda_func compute_lambda;
+
+};
+
+
+struct sp_sampler {
+   struct pipe_sampler_state base;
+
+   boolean min_mag_equal_repeat_linear;
+   boolean min_mag_equal;
+   unsigned min_img_filter;
+
+   wrap_nearest_func nearest_texcoord_s;
+   wrap_nearest_func nearest_texcoord_t;
+   wrap_nearest_func nearest_texcoord_p;
+
+   wrap_linear_func linear_texcoord_s;
+   wrap_linear_func linear_texcoord_t;
+   wrap_linear_func linear_texcoord_p;
+
+   mip_filter_func mip_filter;
+};
+
+
 /**
  * Subclass of tgsi_sampler
  */
-struct sp_shader_sampler
+struct sp_tgsi_sampler
 {
    struct tgsi_sampler base;  /**< base class */
+   struct sp_sampler *sp_sampler[PIPE_MAX_SAMPLERS];
+   struct sp_sampler_view sp_sview[PIPE_MAX_SHADER_SAMPLER_VIEWS];
 
-   uint unit;
-   struct softpipe_context *sp;
-   struct softpipe_tile_cache *cache;
 };
 
+compute_lambda_func
+softpipe_get_lambda_func(const struct pipe_sampler_view *view, unsigned shader);
 
 
-static INLINE const struct sp_shader_sampler *
-sp_shader_sampler(const struct tgsi_sampler *sampler)
-{
-   return (const struct sp_shader_sampler *) sampler;
-}
-
-
-extern void
-sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler,
-                        const float s[QUAD_SIZE],
-                        const float t[QUAD_SIZE],
-                        const float p[QUAD_SIZE],
-                        float lodbias,
-                        float rgba[NUM_CHANNELS][QUAD_SIZE]);
-
-extern void
-sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler,
-                      const float s[QUAD_SIZE],
-                      const float t[QUAD_SIZE],
-                      const float p[QUAD_SIZE],
-                      float lodbias,
-                      float rgba[NUM_CHANNELS][QUAD_SIZE]);
+void *
+softpipe_create_sampler_state(struct pipe_context *pipe,
+                              const struct pipe_sampler_state *sampler);
+
+
+struct pipe_sampler_view *
+softpipe_create_sampler_view(struct pipe_context *pipe,
+                             struct pipe_resource *resource,
+                             const struct pipe_sampler_view *templ);
+
+
+struct sp_tgsi_sampler *
+sp_create_tgsi_sampler(void);
 
 
 #endif /* SP_TEX_SAMPLE_H */