Merge remote branch 'origin/master' into pipe-video
[mesa.git] / src / gallium / auxiliary / util / u_rect.c
index 9866b6fc8a0e626eb3ff1cfc17777ea94b2962f0..56fcfac069368fc5d487068b46ec077c5b856ad4 100644 (file)
  */
 
 
-#include "pipe/p_defines.h"
-#include "pipe/p_format.h"
-#include "pipe/p_context.h"
-#include "pipe/p_screen.h"
+#include "util/u_format.h"
 #include "util/u_rect.h"
+#include "util/u_pack_color.h"
 
 
 /**
  * Copy 2D rect from one place to another.
  * Position and sizes are in pixels.
- * src_pitch may be negative to do vertical flip of pixels from source.
+ * src_stride may be negative to do vertical flip of pixels from source.
  */
 void
 util_copy_rect(ubyte * dst,
-               const struct pipe_format_block *block,
+               enum pipe_format format,
                unsigned dst_stride,
                unsigned dst_x,
                unsigned dst_y,
@@ -53,31 +51,30 @@ util_copy_rect(ubyte * dst,
                const ubyte * src,
                int src_stride,
                unsigned src_x, 
-               int src_y)
+               unsigned src_y)
 {
    unsigned i;
    int src_stride_pos = src_stride < 0 ? -src_stride : src_stride;
-
-   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_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;
+   int blocksize = util_format_get_blocksize(format);
+   int blockwidth = util_format_get_blockwidth(format);
+   int blockheight = util_format_get_blockheight(format);
+
+   assert(blocksize > 0);
+   assert(blockwidth > 0);
+   assert(blockheight > 0);
+
+   dst_x /= blockwidth;
+   dst_y /= blockheight;
+   width = (width + blockwidth - 1)/blockwidth;
+   height = (height + blockheight - 1)/blockheight;
+   src_x /= blockwidth;
+   src_y /= blockheight;
    
-   dst += dst_x * block->size;
-   src += src_x * block->size;
+   dst += dst_x * blocksize;
+   src += src_x * blocksize;
    dst += dst_y * dst_stride;
    src += src_y * src_stride_pos;
-   width *= block->size;
+   width *= blocksize;
 
    if (width == dst_stride && width == src_stride)
       memcpy(dst, src, height * width);
@@ -92,210 +89,76 @@ util_copy_rect(ubyte * dst,
 
 void
 util_fill_rect(ubyte * dst,
-               const struct pipe_format_block *block,
+               enum pipe_format format,
                unsigned dst_stride,
                unsigned dst_x,
                unsigned dst_y,
                unsigned width,
                unsigned height,
-               uint32_t value)
+               union util_color *uc)
 {
    unsigned i, j;
    unsigned width_size;
+   int blocksize = util_format_get_blocksize(format);
+   int blockwidth = util_format_get_blockwidth(format);
+   int blockheight = util_format_get_blockheight(format);
 
-   assert(block->size > 0);
-   assert(block->width > 0);
-   assert(block->height > 0);
-   assert(dst_x >= 0);
-   assert(dst_y >= 0);
+   assert(blocksize > 0);
+   assert(blockwidth > 0);
+   assert(blockheight > 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_x /= blockwidth;
+   dst_y /= blockheight;
+   width = (width + blockwidth - 1)/blockwidth;
+   height = (height + blockheight - 1)/blockheight;
+
+   dst += dst_x * blocksize;
    dst += dst_y * dst_stride;
-   width_size = width * block->size;
-   
-   switch (block->size) {
+   width_size = width * blocksize;
+
+   switch (blocksize) {
    case 1:
       if(dst_stride == width_size)
-        memset(dst, (ubyte) value, height * width_size);
+         memset(dst, uc->ub, height * width_size);
       else {
-        for (i = 0; i < height; i++) {
-           memset(dst, (ubyte) value, width_size);
-           dst += dst_stride;
-        }
+         for (i = 0; i < height; i++) {
+            memset(dst, uc->ub, 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;
+         uint16_t *row = (uint16_t *)dst;
+         for (j = 0; j < width; j++)
+            *row++ = uc->us;
+         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;
+         uint32_t *row = (uint32_t *)dst;
+         for (j = 0; j < width; j++)
+            *row++ = uc->ui;
+         dst += dst_stride;
       }
       break;
-   default:
-        assert(0);
-        break;
-   }
-}
-
-
-
-/**
- * Fallback function for pipe->surface_copy().
- * Note: (X,Y)=(0,0) is always the upper-left corner.
- * if do_flip, flip the image vertically on its way from src rect to dst rect.
- * XXX should probably put this in new u_surface.c file...
- */
-void
-util_surface_copy(struct pipe_context *pipe,
-                  boolean do_flip,
-                  struct pipe_surface *dst,
-                  unsigned dst_x, unsigned dst_y,
-                  struct pipe_surface *src,
-                  unsigned src_x, unsigned src_y, 
-                  unsigned w, unsigned h)
-{
-   struct pipe_screen *screen = pipe->screen;
-   struct pipe_transfer *src_trans, *dst_trans;
-   void *dst_map;
-   const void *src_map;
-
-   assert(src->texture && dst->texture);
-   if (!src->texture || !dst->texture)
-      return;
-   src_trans = screen->get_tex_transfer(screen,
-                                        src->texture,
-                                        src->face,
-                                        src->level,
-                                        src->zslice,
-                                        PIPE_TRANSFER_READ,
-                                        src_x, src_y, w, h);
-
-   dst_trans = screen->get_tex_transfer(screen,
-                                        dst->texture,
-                                        dst->face,
-                                        dst->level,
-                                        dst->zslice,
-                                        PIPE_TRANSFER_WRITE,
-                                        dst_x, dst_y, w, h);
-
-   assert(dst_trans->block.size == src_trans->block.size);
-   assert(dst_trans->block.width == src_trans->block.width);
-   assert(dst_trans->block.height == src_trans->block.height);
-
-   src_map = pipe->screen->transfer_map(screen, src_trans);
-   dst_map = pipe->screen->transfer_map(screen, dst_trans);
-
-   assert(src_map);
-   assert(dst_map);
-
-   if (src_map && dst_map) {
-      /* If do_flip, invert src_y position and pass negative src stride */
-      util_copy_rect(dst_map,
-                     &dst_trans->block,
-                     dst_trans->stride,
-                     0, 0,
-                     w, h,
-                     src_map,
-                     do_flip ? -(int) src_trans->stride : src_trans->stride,
-                     0,
-                     do_flip ? h - 1 : 0);
-   }
-
-   pipe->screen->transfer_unmap(pipe->screen, src_trans);
-   pipe->screen->transfer_unmap(pipe->screen, dst_trans);
-
-   screen->tex_transfer_destroy(src_trans);
-   screen->tex_transfer_destroy(dst_trans);
-}
-
-
-
-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
-
-
-/**
- * Fallback for pipe->surface_fill() function.
- * XXX should probably put this in new u_surface.c file...
- */
-void
-util_surface_fill(struct pipe_context *pipe,
-                  struct pipe_surface *dst,
-                  unsigned dstx, unsigned dsty,
-                  unsigned width, unsigned height, unsigned value)
-{
-   struct pipe_screen *screen = pipe->screen;
-   struct pipe_transfer *dst_trans;
-   void *dst_map;
-
-   assert(dst->texture);
-   if (!dst->texture)
-      return;
-   dst_trans = screen->get_tex_transfer(screen,
-                                        dst->texture,
-                                        dst->face,
-                                        dst->level,
-                                        dst->zslice,
-                                        PIPE_TRANSFER_WRITE,
-                                        dstx, dsty, width, height);
-
-   dst_map = pipe->screen->transfer_map(screen, dst_trans);
-
-   assert(dst_map);
-
-   if (dst_map) {
-      assert(dst_trans->stride > 0);
-
-      switch (dst_trans->block.size) {
-      case 1:
-      case 2:
-      case 4:
-         util_fill_rect(dst_map, &dst_trans->block, dst_trans->stride,
-                        0, 0, width, height, value);
-         break;
-      case 8:
-         {
-            /* expand the 4-byte clear value to an 8-byte value */
-            ushort *row = (ushort *) dst_map;
-            ushort val0 = UBYTE_TO_USHORT((value >>  0) & 0xff);
-            ushort val1 = UBYTE_TO_USHORT((value >>  8) & 0xff);
-            ushort val2 = UBYTE_TO_USHORT((value >> 16) & 0xff);
-            ushort val3 = UBYTE_TO_USHORT((value >> 24) & 0xff);
-            unsigned i, j;
-            val0 = (val0 << 8) | val0;
-            val1 = (val1 << 8) | val1;
-            val2 = (val2 << 8) | val2;
-            val3 = (val3 << 8) | val3;
-            for (i = 0; i < height; i++) {
-               for (j = 0; j < width; j++) {
-                  row[j*4+0] = val0;
-                  row[j*4+1] = val1;
-                  row[j*4+2] = val2;
-                  row[j*4+3] = val3;
-               }
-               row += dst_trans->stride/2;
-            }
+   case 8:
+   case 12:
+   case 16:
+   case 24:
+   case 32:
+      for (i = 0; i < height; i++) {
+         ubyte *row = dst;
+         for (j = 0; j < width; j++) {
+            memcpy(row, uc, blocksize);
+            row += blocksize;
          }
-         break;
-      default:
-         assert(0);
-         break;
+         dst += dst_stride;
       }
+      break;
+   default:
+      assert(0);
+      break;
    }
-
-   pipe->screen->transfer_unmap(pipe->screen, dst_trans);
-   screen->tex_transfer_destroy(dst_trans);
 }