OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [compile/] [pr42705.c] - Blame information for rev 297

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 297 jeremybenn
typedef int GLint;
2
typedef unsigned char GLubyte;
3
typedef unsigned int uint32_t;
4
struct radeon_bo {
5
    void *ptr;
6
    uint32_t flags;
7
};
8
struct radeon_renderbuffer {
9
    struct radeon_bo *bo;
10
    unsigned int cpp;
11
    int has_surface;
12
};
13
static inline
14
GLint r600_1d_tile_helper(const struct radeon_renderbuffer * rrb,
15
                          GLint x, GLint y, GLint is_depth, GLint is_stencil)
16
{
17
  GLint element_bytes = rrb->cpp;
18
  GLint num_samples = 1;
19
  GLint tile_width = 8;
20
  GLint tile_height = 8;
21
  GLint tile_thickness = 1;
22
  GLint tile_bytes;
23
  GLint tiles_per_row;
24
  GLint slice_offset;
25
  GLint tile_row_index;
26
  GLint tile_column_index;
27
  GLint tile_offset;
28
  GLint pixel_number = 0;
29
  GLint element_offset;
30
  GLint offset = 0;
31
  tile_bytes = tile_width * tile_height * tile_thickness
32
      * element_bytes * num_samples;
33
  tile_column_index = x / tile_width;
34
  tile_offset = ((tile_row_index * tiles_per_row)
35
                 + tile_column_index) * tile_bytes;
36
  if (is_depth) {
37
  }
38
  else {
39
      GLint sample_offset;
40
      switch (element_bytes) {
41
          case 1:       pixel_number |= ((x >> 0) & 1) << 0;
42
      }
43
      element_offset = sample_offset + (pixel_number * element_bytes);
44
  }
45
  offset = slice_offset + tile_offset + element_offset;
46
  return offset;
47
}
48
GLubyte *r600_ptr_color(const struct radeon_renderbuffer * rrb,
49
                        GLint x, GLint y)
50
{
51
  GLubyte *ptr = rrb->bo->ptr;
52
  uint32_t mask = 1 | 2;
53
  GLint offset;
54
  if (rrb->has_surface || !(rrb->bo->flags & mask)) {
55
      offset = r600_1d_tile_helper(rrb, x, y, 0, 0);
56
  }
57
  return &ptr[offset];
58
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.