static inline void
update_single_program_texture_state(struct gl_context *ctx,
struct gl_program *prog,
int unit,
BITSET_WORD *enabled_texture_units)
{
struct gl_texture_object *texObj;
texObj = update_single_program_texture(ctx, prog, unit);
_mesa_reference_texobj(&ctx->Texture.Unit[unit]._Current, texObj);
BITSET_SET(enabled_texture_units, unit);
ctx->Texture._MaxEnabledTexImageUnit =
MAX2(ctx->Texture._MaxEnabledTexImageUnit, (int)unit);
}
static void
update_program_texture_state(struct gl_context *ctx, struct gl_program **prog,
BITSET_WORD *enabled_texture_units)
{
int i;
for (i = 0; i < MESA_SHADER_STAGES; i++) {
int s;
if (!prog[i])
continue;
/* We can't only do the shifting trick as the loop condition because if
* sampler 31 is active, the next iteration tries to shift by 32, which is
* undefined.
*/
for (s = 0; s < MAX_SAMPLERS && (1 << s) <= prog[i]->SamplersUsed; s++) {
struct gl_texture_object *texObj;
texObj = update_single_program_texture(ctx, prog[i], s);
if (texObj) {
int unit = prog[i]->SamplerUnits[s];
_mesa_reference_texobj(&ctx->Texture.Unit[unit]._Current, texObj);
BITSET_SET(enabled_texture_units, unit);
ctx->Texture._MaxEnabledTexImageUnit =
MAX2(ctx->Texture._MaxEnabledTexImageUnit, (int)unit);
}
}
}
if (prog[MESA_SHADER_FRAGMENT]) {
const GLuint coordMask = (1 << MAX_TEXTURE_COORD_UNITS) - 1;
ctx->Texture._EnabledCoordUnits |=
(prog[MESA_SHADER_FRAGMENT]->InputsRead >> VARYING_SLOT_TEX0) &
coordMask;
}
}
