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r300g: handle PIPE_BIND_BLENDABLE

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Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2014-08-22 19:49:00 +02:00
parent 7317f11859
commit bc0ae40616
1 changed files with 44 additions and 1 deletions
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45
src/gallium/drivers/r300/r300_screen.c
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@ -424,6 +424,44 @@ util_format_is_rgba1010102_variant(const struct util_format_description *desc)
return TRUE;
}
static bool r300_is_blending_supported(struct r300_screen *rscreen,
enum pipe_format format)
{
int c;
const struct util_format_description *desc =
util_format_description(format);
if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
return false;
c = util_format_get_first_non_void_channel(format);
/* RGBA16F */
if (rscreen->caps.is_r500 &&
desc->nr_channels == 4 &&
desc->channel[c].size == 16 &&
desc->channel[c].type == UTIL_FORMAT_TYPE_FLOAT)
return true;
if (desc->channel[c].normalized &&
desc->channel[c].type == UTIL_FORMAT_TYPE_UNSIGNED &&
desc->channel[c].size >= 4 &&
desc->channel[c].size <= 10) {
/* RGB10_A2, RGBA8, RGB5_A1, RGBA4, RGB565 */
if (desc->nr_channels >= 3)
return true;
if (format == PIPE_FORMAT_R8G8_UNORM)
return true;
/* R8, I8, L8, A8 */
if (desc->nr_channels == 1)
return true;
}
return false;
}
static boolean r300_is_format_supported(struct pipe_screen* screen,
enum pipe_format format,
enum pipe_texture_target target,
@ -525,7 +563,8 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED)) &&
PIPE_BIND_SHARED |
PIPE_BIND_BLENDABLE)) &&
/* 2101010 cannot be rendered to on non-r5xx. */
(!is_color2101010 || (is_r500 && drm_2_8_0)) &&
r300_is_colorbuffer_format_supported(format)) {
@ -534,6 +573,10 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
if (r300_is_blending_supported(r300_screen(screen), format)) {
retval |= usage & PIPE_BIND_BLENDABLE;
}
}
/* Check depth-stencil format support. */