diff options
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_const.h | 18 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_format_aos.c | 54 |
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, ""); /* |