AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

i965: set attribute w/a bits for packed formats

Browse Source 
Flag the need for various workarounds to be applied by
the vertex shader.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Forbes
2012-11-22 16:23:22 +13:00
committed by Kenneth Graunke
parent c3c680950d
commit 352ae51efd
1 changed files with 26 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mesa/drivers/dri/i965/brw_vs.c
+26 -4
View File
@@ -446,10 +446,32 @@ static void brw_upload_vs_prog(struct brw_context *brw)
/* BRW_NEW_VERTICES */
for (i = 0; i < VERT_ATTRIB_MAX; i++) {
/* TODO: flag w/a for packed vertex formats here too */
if (vp->program.Base.InputsRead & BITFIELD64_BIT(i) &&
brw->vb.inputs[i].glarray->Type == GL_FIXED) {
key.gl_attrib_wa_flags[i] = brw->vb.inputs[i].glarray->Size;
if (vp->program.Base.InputsRead & BITFIELD64_BIT(i)) {
uint8_t wa_flags = 0;
switch (brw->vb.inputs[i].glarray->Type) {
case GL_FIXED:
wa_flags = brw->vb.inputs[i].glarray->Size;
break;
case GL_INT_2_10_10_10_REV:
wa_flags |= BRW_ATTRIB_WA_SIGN;
/* fallthough */
case GL_UNSIGNED_INT_2_10_10_10_REV:
if (brw->vb.inputs[i].glarray->Format == GL_BGRA)
wa_flags |= BRW_ATTRIB_WA_BGRA;
if (brw->vb.inputs[i].glarray->Normalized)
wa_flags |= BRW_ATTRIB_WA_NORMALIZE;
else if (!brw->vb.inputs[i].glarray->Integer)
wa_flags |= BRW_ATTRIB_WA_SCALE;
break;
}
key.gl_attrib_wa_flags[i] = wa_flags;
}
}