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Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_sample.c')
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_sample.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.c b/src/gallium/auxiliary/gallivm/lp_bld_sample.c
index f01a878777f..6a684a9a0bf 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.c
@@ -235,7 +235,7 @@ lp_build_rho(struct lp_build_sample_context *bld,
rho_vec = lp_build_max(float_size_bld, rho_x, rho_y);
- float_size = lp_build_int_to_float(float_size_bld, bld->uint_size);
+ float_size = lp_build_int_to_float(float_size_bld, bld->int_size);
rho_vec = lp_build_mul(float_size_bld, rho_vec, float_size);
@@ -583,18 +583,22 @@ lp_build_get_const_mipmap_level(struct lp_build_sample_context *bld,
* Return max(1, base_size >> level);
*/
static LLVMValueRef
-lp_build_minify(struct lp_build_sample_context *bld,
+lp_build_minify(struct lp_build_context *bld,
LLVMValueRef base_size,
LLVMValueRef level)
{
- if (level == bld->int_coord_bld.zero) {
+ assert(lp_check_value(bld->type, base_size));
+ assert(lp_check_value(bld->type, level));
+
+ if (level == bld->zero) {
/* if we're using mipmap level zero, no minification is needed */
return base_size;
}
else {
LLVMValueRef size =
LLVMBuildLShr(bld->builder, base_size, level, "minify");
- size = lp_build_max(&bld->int_coord_bld, size, bld->int_coord_bld.one);
+ assert(bld->type.sign);
+ size = lp_build_max(bld, size, bld->one);
return size;
}
}
@@ -634,15 +638,29 @@ lp_build_mipmap_level_sizes(struct lp_build_sample_context *bld,
{
const unsigned dims = bld->dims;
LLVMValueRef ilevel_vec;
+ LLVMValueRef size_vec;
+ LLVMValueRef width, height, depth;
+ LLVMTypeRef i32t = LLVMInt32Type();
- ilevel_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, ilevel);
+ ilevel_vec = lp_build_broadcast_scalar(&bld->int_size_bld, ilevel);
/*
* Compute width, height, depth at mipmap level 'ilevel'
*/
- *out_width_vec = lp_build_minify(bld, bld->width_vec, ilevel_vec);
+ size_vec = lp_build_minify(&bld->int_size_bld, bld->int_size, ilevel_vec);
+
+ if (dims <= 1) {
+ width = size_vec;
+ }
+ else {
+ width = LLVMBuildExtractElement(bld->builder, size_vec,
+ LLVMConstInt(i32t, 0, 0), "");
+ }
+ *out_width_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, width);
if (dims >= 2) {
- *out_height_vec = lp_build_minify(bld, bld->height_vec, ilevel_vec);
+ height = LLVMBuildExtractElement(bld->builder, size_vec,
+ LLVMConstInt(i32t, 1, 0), "");
+ *out_height_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, height);
*row_stride_vec = lp_build_get_level_stride_vec(bld,
bld->row_stride_array,
ilevel);
@@ -651,7 +669,9 @@ lp_build_mipmap_level_sizes(struct lp_build_sample_context *bld,
bld->img_stride_array,
ilevel);
if (dims == 3) {
- *out_depth_vec = lp_build_minify(bld, bld->depth_vec, ilevel_vec);
+ depth = LLVMBuildExtractElement(bld->builder, size_vec,
+ LLVMConstInt(i32t, 2, 0), "");
+ *out_depth_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, depth);
}
}
}