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-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_const.h18
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_format_aos.c54
2 files changed, 61 insertions, 11 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_const.h b/src/gallium/auxiliary/gallivm/lp_bld_const.h
index c749a7a315..680211fbbd 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_const.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_const.h
@@ -125,4 +125,22 @@ lp_build_const_float(struct gallivm_state *gallivm, float x)
}
+/** Return constant-valued pointer to int */
+static INLINE LLVMValueRef
+lp_build_const_int_pointer(struct gallivm_state *gallivm, const void *ptr)
+{
+ LLVMTypeRef int_type;
+ LLVMValueRef v;
+
+ /* int type large enough to hold a pointer */
+ int_type = LLVMIntTypeInContext(gallivm->context, 8 * sizeof(void *));
+ v = LLVMConstInt(int_type, (unsigned long long) ptr, 0);
+ v = LLVMBuildIntToPtr(gallivm->builder, v,
+ LLVMPointerType(int_type, 0),
+ "cast int to ptr");
+ return v;
+}
+
+
+
#endif /* !LP_BLD_CONST_H */
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c
index 75d2e666f0..905cf66137 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_format_aos.c
@@ -36,6 +36,7 @@
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_math.h"
+#include "util/u_pointer.h"
#include "util/u_string.h"
#include "lp_bld_arit.h"
@@ -520,6 +521,7 @@ lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
LLVMValueRef tmp_ptr;
LLVMValueRef tmp;
LLVMValueRef res;
+ LLVMValueRef callee;
unsigned k;
util_snprintf(name, sizeof name, "util_format_%s_fetch_rgba_8unorm",
@@ -535,6 +537,10 @@ lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
function = LLVMGetNamedFunction(module, name);
if (!function) {
+ /*
+ * Function to call looks like:
+ * fetch(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+ */
LLVMTypeRef ret_type;
LLVMTypeRef arg_types[4];
LLVMTypeRef function_type;
@@ -542,19 +548,26 @@ lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
ret_type = LLVMVoidTypeInContext(gallivm->context);
arg_types[0] = pi8t;
arg_types[1] = pi8t;
- arg_types[3] = arg_types[2] = LLVMIntTypeInContext(gallivm->context, sizeof(unsigned) * 8);
- function_type = LLVMFunctionType(ret_type, arg_types, Elements(arg_types), 0);
+ arg_types[2] = i32t;
+ arg_types[3] = i32t;
+ function_type = LLVMFunctionType(ret_type, arg_types,
+ Elements(arg_types), 0);
function = LLVMAddFunction(module, name, function_type);
LLVMSetFunctionCallConv(function, LLVMCCallConv);
LLVMSetLinkage(function, LLVMExternalLinkage);
assert(LLVMIsDeclaration(function));
-
- LLVMAddGlobalMapping(gallivm->engine, function,
- func_to_pointer((func_pointer)format_desc->fetch_rgba_8unorm));
}
+ /* make const pointer for the C fetch_rgba_float function */
+ callee = lp_build_const_int_pointer(gallivm,
+ func_to_pointer((func_pointer) format_desc->fetch_rgba_float));
+
+ /* cast the callee pointer to the function's type */
+ function = LLVMBuildBitCast(builder, callee,
+ LLVMTypeOf(function), "cast callee");
+
tmp_ptr = lp_build_alloca(gallivm, i32t, "");
res = LLVMGetUndef(LLVMVectorType(i32t, num_pixels));
@@ -619,10 +632,13 @@ lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
LLVMTypeRef f32t = LLVMFloatTypeInContext(gallivm->context);
LLVMTypeRef f32x4t = LLVMVectorType(f32t, 4);
LLVMTypeRef pf32t = LLVMPointerType(f32t, 0);
+ LLVMTypeRef pi8t = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0);
+ LLVMTypeRef i32t = LLVMInt32TypeInContext(gallivm->context);
LLVMValueRef function;
LLVMValueRef tmp_ptr;
LLVMValueRef tmps[LP_MAX_VECTOR_LENGTH/4];
LLVMValueRef res;
+ LLVMValueRef callee;
unsigned k;
util_snprintf(name, sizeof name, "util_format_%s_fetch_rgba_float",
@@ -638,26 +654,42 @@ lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
function = LLVMGetNamedFunction(module, name);
if (!function) {
+ /*
+ * Function to call looks like:
+ * fetch(float *dst, const uint8_t *src, unsigned i, unsigned j)
+ */
LLVMTypeRef ret_type;
LLVMTypeRef arg_types[4];
LLVMTypeRef function_type;
ret_type = LLVMVoidTypeInContext(gallivm->context);
arg_types[0] = pf32t;
- arg_types[1] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0);
- arg_types[3] = arg_types[2] = LLVMIntTypeInContext(gallivm->context, sizeof(unsigned) * 8);
- function_type = LLVMFunctionType(ret_type, arg_types, Elements(arg_types), 0);
+ arg_types[1] = pi8t;
+ arg_types[2] = i32t;
+ arg_types[3] = i32t;
+ function_type = LLVMFunctionType(ret_type, arg_types,
+ Elements(arg_types), 0);
function = LLVMAddFunction(module, name, function_type);
LLVMSetFunctionCallConv(function, LLVMCCallConv);
LLVMSetLinkage(function, LLVMExternalLinkage);
assert(LLVMIsDeclaration(function));
-
- LLVMAddGlobalMapping(gallivm->engine, function,
- func_to_pointer((func_pointer)format_desc->fetch_rgba_float));
}
+ /* Note: we're using this casting here instead of LLVMAddGlobalMapping()
+ * to work around a bug in LLVM 2.6.
+ */
+
+ /* make const pointer for the C fetch_rgba_float function */
+ callee = lp_build_const_int_pointer(gallivm,
+ func_to_pointer((func_pointer) format_desc->fetch_rgba_float));
+
+ /* cast the callee pointer to the function's type */
+ function = LLVMBuildBitCast(builder, callee,
+ LLVMTypeOf(function), "cast callee");
+
+
tmp_ptr = lp_build_alloca(gallivm, f32x4t, "");
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 22:05:17 +0000