fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-04 17:50:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

glsl: Support double inouts

Browse source 
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Dave Airlie 2015-02-05 12:09:04 +02:00 • committed by Ilia Mirkin
parent a10275f762
commit 53383476d1
1 changed files with 24 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
src/glsl/ir_set_program_inouts.cpp
View file

@ -81,6 +81,13 @@ is_shader_inout(ir_variable *var)
var->data.mode == ir_var_system_value;
}
static inline bool
is_dual_slot(ir_variable *var)
{
const glsl_type *type = var->type->without_array();
return type == glsl_type::dvec4_type || type == glsl_type::dvec3_type;
}
static void
mark(struct gl_program *prog, ir_variable *var, int offset, int len,
bool is_fragment_shader)
@ -94,19 +101,32 @@ mark(struct gl_program *prog, ir_variable *var, int offset, int len,
*/
for (int i = 0; i < len; i++) {
GLbitfield64 bitfield =
BITFIELD64_BIT(var->data.location + var->data.index + offset + i);
bool dual_slot = is_dual_slot(var);
int idx = var->data.location + var->data.index + offset + i;
GLbitfield64 bitfield = BITFIELD64_BIT(idx);
/* dvec3 and dvec4 take up 2 slots */
if (dual_slot) {
idx += i;
bitfield |= bitfield << 1;
}
if (var->data.mode == ir_var_shader_in) {
prog->InputsRead |= bitfield;
if (is_fragment_shader) {
gl_fragment_program *fprog = (gl_fragment_program *) prog;
fprog->InterpQualifier[var->data.location +
var->data.index + offset + i] =
fprog->InterpQualifier[idx] =
(glsl_interp_qualifier) var->data.interpolation;
if (var->data.centroid)
fprog->IsCentroid |= bitfield;
if (var->data.sample)
fprog->IsSample |= bitfield;
/* Set the InterpQualifier of the next slot to the same as the
* current one, since dvec3 and dvec4 spans 2 slots.
*/
if (dual_slot)
fprog->InterpQualifier[idx + 1] =
(glsl_interp_qualifier) var->data.interpolation;
}
} else if (var->data.mode == ir_var_system_value) {
prog->SystemValuesRead |= bitfield;