gallium: Drop pipe_texture->cpp and pipe_surface->cpp.

The chars-per-pixel concept falls apart with compressed and yuv images,
where more than one pixel are coded in a single data block.

3 files changed, 59 insertions, 8 deletions

diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index d973fb357b..a2c6155d01 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -501,6 +501,47 @@ pf_get_block(enum pipe_format format, struct pipe_format_block *block)
    }
 }
 
+static INLINE unsigned
+pf_get_nblocksx(const struct pipe_format_block *block, unsigned x)
+{
+   return (x + block->width - 1)/block->width;
+}
+
+static INLINE unsigned
+pf_get_nblocksy(const struct pipe_format_block *block, unsigned y)
+{
+   return (y + block->height - 1)/block->height;
+}
+
+static INLINE unsigned
+pf_get_nblocks(const struct pipe_format_block *block, unsigned width, unsigned height)
+{
+   return pf_get_nblocksx(block, width)*pf_get_nblocksy(block, height);
+}
+
+static INLINE void
+pipe_rect_to_blocks(const struct pipe_format_block *block,
+                    unsigned *width, unsigned *height,
+                    unsigned *src_x, unsigned *src_y,
+		    unsigned *dst_x, unsigned *dst_y)
+{
+   assert(block->size > 0);
+   assert(block->width > 0);
+   assert(block->height > 0);
+   if(width)
+      *width = pf_get_nblocksx(block, *width);
+   if(height)
+      *height = pf_get_nblocksy(block, *height);
+   if(src_x)
+      *src_x /= block->width;
+   if(src_y)
+      *src_y /= block->height;
+   if(dst_x)
+      *dst_x /= block->width;
+   if(dst_y)
+      *dst_y /= block->height;
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index e7ee8c97ed..2992e2f3b3 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -267,10 +267,12 @@ struct pipe_surface
    enum pipe_format format;      /**< PIPE_FORMAT_x */
    unsigned status;              /**< PIPE_SURFACE_STATUS_x */
    unsigned clear_value;         /**< XXX may be temporary */
-   unsigned cpp;                 /**< bytes per pixel */
    unsigned width;
    unsigned height;
-   unsigned pitch;               /**< in pixels */
+   struct pipe_format_block block;
+   unsigned nblocksx;
+   unsigned nblocksy;
+   unsigned stride;              /**< in bytes */
    unsigned layout;              /**< PIPE_SURFACE_LAYOUT_x */
    unsigned offset;              /**< offset from start of buffer, in bytes */
    unsigned refcount;
@@ -303,7 +305,10 @@ struct pipe_texture
    unsigned height[PIPE_MAX_TEXTURE_LEVELS];
    unsigned depth[PIPE_MAX_TEXTURE_LEVELS];
 
-   unsigned cpp:8;
+   struct pipe_format_block block;
+   unsigned nblocksx[PIPE_MAX_TEXTURE_LEVELS];
+   unsigned nblocksy[PIPE_MAX_TEXTURE_LEVELS];
+
    unsigned last_level:8;    /**< Index of last mipmap level present/defined */
    unsigned compressed:1;
    
diff --git a/src/gallium/include/pipe/p_util.h b/src/gallium/include/pipe/p_util.h
index cf2447822a..7dcdd28287 100644
--- a/src/gallium/include/pipe/p_util.h
+++ b/src/gallium/include/pipe/p_util.h
@@ -31,6 +31,7 @@
 #include "p_config.h"
 #include "p_compiler.h"
 #include "p_debug.h"
+#include "p_format.h"
 #include "p_pointer.h"
 #include <math.h>
 #include <stdarg.h>
@@ -401,11 +402,15 @@ static INLINE int align(int value, int alignment)
 
 /* util/p_util.c
  */
-extern void pipe_copy_rect(ubyte * dst, unsigned cpp, unsigned dst_pitch,
-                           unsigned dst_x, unsigned dst_y, unsigned width,
-                           unsigned height, const ubyte * src,
-                           int src_pitch, unsigned src_x, int src_y);
-
+extern void pipe_copy_rect(ubyte * dst, const struct pipe_format_block *block,
+                           unsigned dst_stride, unsigned dst_x, unsigned dst_y,
+                           unsigned width, unsigned height, const ubyte * src,
+                           int src_stride, unsigned src_x, int src_y);
+
+extern void
+pipe_fill_rect(ubyte * dst, const struct pipe_format_block *block,
+               unsigned dst_stride, unsigned dst_x, unsigned dst_y,
+               unsigned width, unsigned height, uint32_t value);
 
 
 #if defined(_MSC_VER)