st/mesa: use a generic varying to pass the clear color to the FS
[mesa.git] / src / mesa / state_tracker / st_format.h
index 7cddf5aa66a7c4fe5e0ea7a2ddb7a000cf627308..39397b17aa6cc156713c6fde43a2409ea307840f 100644 (file)
@@ -1,6 +1,7 @@
 /**************************************************************************
  * 
  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2010 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
 #define ST_FORMAT_H
 
 #include "main/formats.h"
+#include "main/glheader.h"
 
-struct pipe_format_info
-{
-   enum pipe_format format;
-   gl_format mesa_format;
-   GLenum datatype;
-   GLubyte red_bits;
-   GLubyte green_bits;
-   GLubyte blue_bits;
-   GLubyte alpha_bits;
-   GLubyte luminance_bits;
-   GLubyte intensity_bits;
-   GLubyte depth_bits;
-   GLubyte stencil_bits;
-   GLubyte size;           /**< in bytes */
-};
+#include "pipe/p_defines.h"
+#include "pipe/p_format.h"
 
-
-GLboolean
-st_get_format_info(enum pipe_format format, struct pipe_format_info *pinfo);
-
-
-extern GLuint
-st_sizeof_format(enum pipe_format format);
-
-
-extern GLenum
-st_format_datatype(enum pipe_format format);
+struct gl_context;
+struct pipe_screen;
 
 
 extern enum pipe_format
@@ -69,20 +49,34 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
 
 extern enum pipe_format
 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
-                 enum pipe_texture_target target, unsigned tex_usage);
+                 GLenum format, GLenum type,
+                 enum pipe_texture_target target, unsigned sample_count,
+                 unsigned bindings);
 
 extern enum pipe_format
 st_choose_renderbuffer_format(struct pipe_screen *screen,
-                              GLenum internalFormat);
+                              GLenum internalFormat, unsigned sample_count);
+
 
+gl_format
+st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
+                                 GLenum format, GLenum type, GLboolean renderable);
 
 extern gl_format
-st_ChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
+st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
+                       GLint internalFormat,
                        GLenum format, GLenum type);
 
 
+/* can we use a sampler view to translate these formats
+   only used to make TFP so far */
 extern GLboolean
-st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
+st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
+
 
+extern void
+st_translate_color(union gl_color_union *colorIn,
+                   union pipe_color_union *colorOut,
+                   GLenum baseFormat, GLboolean is_integer);
 
-#endif /* ST_CB_TEXIMAGE_H */
+#endif /* ST_FORMAT_H */