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glamor: Drop extra SHADER_IN type for no mask present.

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We can just hand in a constant mask and the driver will optimize away
the multiplication for us.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2016-01-26 15:47:01 -08:00
parent 03f34f8556
commit 9b676786de
2 changed files with 6 additions and 12 deletions
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1
glamor/glamor_priv.h
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@ -108,7 +108,6 @@ enum shader_mask {
};
enum shader_in {
SHADER_IN_SOURCE_ONLY,
SHADER_IN_NORMAL,
SHADER_IN_CA_SOURCE,
SHADER_IN_CA_ALPHA,

17
glamor/glamor_render.c
View File

@ -147,6 +147,11 @@ glamor_create_composite_fs(struct shader_key *key)
" return rel_sampler(source_sampler, source_texture,\n"
" source_wh, source_repeat_mode, 1);\n"
"}\n";
const char *mask_none =
"vec4 get_mask()\n"
"{\n"
" return vec4(0.0, 0.0, 0.0, 1.0);\n"
"}\n";
const char *mask_solid_fetch =
"uniform vec4 mask;\n"
"vec4 get_mask()\n"
@ -190,11 +195,6 @@ glamor_create_composite_fs(struct shader_key *key)
" return vec4(color.a, undef, undef, undef);"
"}";
const char *in_source_only =
"void main()\n"
"{\n"
" gl_FragColor = dest_swizzle(get_source());\n"
"}\n";
const char *in_normal =
"void main()\n"
"{\n"
@ -246,6 +246,7 @@ glamor_create_composite_fs(struct shader_key *key)
switch (key->mask) {
case SHADER_MASK_NONE:
mask_fetch = mask_none;
break;
case SHADER_MASK_SOLID:
mask_fetch = mask_solid_fetch;
@ -277,9 +278,6 @@ glamor_create_composite_fs(struct shader_key *key)
header = header_norm;
switch (key->in) {
case SHADER_IN_SOURCE_ONLY:
in = in_source_only;
break;
case SHADER_IN_NORMAL:
in = in_normal;
break;
@ -693,8 +691,6 @@ combine_pict_format(PictFormatShort * des, const PictFormatShort src,
new_vis = PICT_FORMAT_VIS(src) | PICT_FORMAT_VIS(mask);
switch (in_ca) {
case SHADER_IN_SOURCE_ONLY:
return TRUE;
case SHADER_IN_NORMAL:
src_type = PICT_FORMAT_TYPE(src);
mask_type = PICT_TYPE_A;
@ -893,7 +889,6 @@ glamor_composite_choose_shader(CARD8 op,
}
else {
key.mask = SHADER_MASK_NONE;
key.in = SHADER_IN_SOURCE_ONLY;
}
if (dest_pixmap->drawable.bitsPerPixel <= 8 &&