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.

1 files changed, 84 insertions, 16 deletions

diff --git a/src/gallium/auxiliary/util/p_util.c b/src/gallium/auxiliary/util/p_util.c
index 4e60b1b8418..271be4edf14 100644
--- a/src/gallium/auxiliary/util/p_util.c
+++ b/src/gallium/auxiliary/util/p_util.c
@@ -32,6 +32,7 @@
 
 #include "pipe/p_defines.h"
 #include "pipe/p_util.h"
+#include "pipe/p_format.h"
 
 
 /**
@@ -41,42 +42,109 @@
  */
 void
 pipe_copy_rect(ubyte * dst,
-               unsigned cpp,
-               unsigned dst_pitch,
+               const struct pipe_format_block *block,
+               unsigned dst_stride,
                unsigned dst_x,
                unsigned dst_y,
                unsigned width,
                unsigned height,
                const ubyte * src,
-               int src_pitch,
+               int src_stride,
                unsigned src_x, 
                int src_y)
 {
    unsigned i;
-   int src_pitch_pos = src_pitch < 0 ? -src_pitch : src_pitch;
+   int src_stride_pos = src_stride < 0 ? -src_stride : src_stride;
 
-   assert(cpp > 0);
+   assert(block->size > 0);
+   assert(block->width > 0);
+   assert(block->height > 0);
    assert(src_x >= 0);
    assert(src_y >= 0);
    assert(dst_x >= 0);
    assert(dst_y >= 0);
 
-   dst_pitch *= cpp;
-   src_pitch *= cpp;
-   src_pitch_pos *= cpp;
-   dst += dst_x * cpp;
-   src += src_x * cpp;
-   dst += dst_y * dst_pitch;
-   src += src_y * src_pitch_pos;
-   width *= cpp;
+   dst_x /= block->width;
+   dst_y /= block->height;
+   width = (width + block->width - 1)/block->width;
+   height = (height + block->height - 1)/block->height;
+   src_x /= block->width;
+   src_y /= block->height;
+   
+   dst += dst_x * block->size;
+   src += src_x * block->size;
+   dst += dst_y * dst_stride;
+   src += src_y * src_stride_pos;
+   width *= block->size;
 
-   if (width == dst_pitch && width == src_pitch)
+   if (width == dst_stride && width == src_stride)
       memcpy(dst, src, height * width);
    else {
       for (i = 0; i < height; i++) {
          memcpy(dst, src, width);
-         dst += dst_pitch;
-         src += src_pitch;
+         dst += dst_stride;
+         src += src_stride;
       }
    }
 }
+
+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)
+{
+   unsigned i, j;
+   unsigned width_size;
+
+   assert(block->size > 0);
+   assert(block->width > 0);
+   assert(block->height > 0);
+   assert(dst_x >= 0);
+   assert(dst_y >= 0);
+
+   dst_x /= block->width;
+   dst_y /= block->height;
+   width = (width + block->width - 1)/block->width;
+   height = (height + block->height - 1)/block->height;
+   
+   dst += dst_x * block->size;
+   dst += dst_y * dst_stride;
+   width_size = width * block->size;
+   
+   switch (block->size) {
+   case 1:
+      if(dst_stride == width_size)
+	 memset(dst, (ubyte) value, height * width_size);
+      else {
+	 for (i = 0; i < height; i++) {
+	    memset(dst, (ubyte) value, width_size);
+	    dst += dst_stride;
+	 }
+      }
+      break;
+   case 2:
+      for (i = 0; i < height; i++) {
+	 uint16_t *row = (uint16_t *)dst;
+	 for (j = 0; j < width; j++)
+	    *row++ = (uint16_t) value;
+	 dst += dst_stride;
+      }
+      break;
+   case 4:
+      for (i = 0; i < height; i++) {
+	 uint32_t *row = (uint32_t *)dst;
+	 for (j = 0; j < width; j++)
+	    *row++ = value;
+	 dst += dst_stride;
+      }
+      break;
+   default:
+	 assert(0);
+	 break;
+   }
+}