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r300g: do not use TXPITCH_EN for power-of-two textures from the DDX

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We were using TXPITCH_EN for textures from the DDX since ever, for nothing.
This commit is contained in:
Marek Olšák
2010-07-24 22:52:01 +02:00
parent d779a5d16a
commit c92d232061
1 changed files with 14 additions and 6 deletions
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20
src/gallium/drivers/r300/r300_texture_desc.c
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@@ -210,6 +210,14 @@ static void r300_texture_3d_fix_mipmapping(struct r300_screen *screen,
}
}
/* Get a width in pixels from a stride in bytes. */
static unsigned stride_to_width(enum pipe_format format,
unsigned stride_in_bytes)
{
return (stride_in_bytes / util_format_get_blocksize(format)) *
util_format_get_blockwidth(format);
}
static void r300_setup_miptree(struct r300_screen *screen,
struct r300_texture_desc *desc)
{
@@ -246,9 +254,7 @@ static void r300_setup_miptree(struct r300_screen *screen,
desc->size_in_bytes = desc->offset_in_bytes[i] + size;
desc->layer_size_in_bytes[i] = layer_size;
desc->stride_in_bytes[i] = stride;
desc->stride_in_pixels[i] =
(stride / util_format_get_blocksize(base->format)) *
util_format_get_blockwidth(base->format);
desc->stride_in_pixels[i] = stride_to_width(desc->b.b.format, stride);
SCREEN_DBG(screen, DBG_TEXALLOC, "r300: Texture miptree: Level %d "
"(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
@@ -261,9 +267,11 @@ static void r300_setup_miptree(struct r300_screen *screen,
static void r300_setup_flags(struct r300_texture_desc *desc)
{
desc->uses_stride_addressing =
!util_is_power_of_two(desc->b.b.width0) ||
!util_is_power_of_two(desc->b.b.height0) ||
desc->stride_in_bytes_override;
!util_is_power_of_two(desc->b.b.width0) ||
!util_is_power_of_two(desc->b.b.height0) ||
(desc->stride_in_bytes_override &&
stride_to_width(desc->b.b.format,
desc->stride_in_bytes_override) != desc->b.b.width0);
}
static void r300_setup_cbzb_flags(struct r300_screen *rscreen,