diff options
author | Vincent Lejeune <[email protected]> | 2013-12-02 00:54:44 +0100 |
---|---|---|
committer | Vincent Lejeune <[email protected]> | 2013-12-07 18:39:10 +0100 |
commit | 797894036d1196805f02a2428fff82ece5855af7 (patch) | |
tree | 849674a03e061ba33a304c1c0a65acf789b3a265 | |
parent | a1d808638de026d07d16161b432df25afefdd959 (diff) |
r600/llvm: Allow arbitrary amount of temps in tgsi to llvm
-rw-r--r-- | src/gallium/drivers/radeon/radeon_llvm.h | 6 | ||||
-rw-r--r-- | src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 43 |
2 files changed, 45 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeon/radeon_llvm.h b/src/gallium/drivers/radeon/radeon_llvm.h index 2cab6b013cd..00714fb6bca 100644 --- a/src/gallium/drivers/radeon/radeon_llvm.h +++ b/src/gallium/drivers/radeon/radeon_llvm.h @@ -112,6 +112,12 @@ struct radeon_llvm_context { LLVMValueRef outputs[RADEON_LLVM_MAX_OUTPUTS][TGSI_NUM_CHANNELS]; unsigned output_reg_count; + /** This pointer is used to contain the temporary values. + * The amount of temporary used in tgsi can't be bound to a max value and + * thus we must allocate this array at runtime. + */ + LLVMValueRef *temps; + unsigned temps_count; LLVMValueRef system_values[RADEON_LLVM_MAX_SYSTEM_VALUES]; /*=== Private Members ===*/ diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 57026bfb03c..5af6f3f432f 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -142,6 +142,13 @@ emit_array_fetch( return result; } +static bool uses_temp_indirect_addressing( + struct lp_build_tgsi_context *bld_base) +{ + struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); + return (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)); +} + static LLVMValueRef emit_fetch( struct lp_build_tgsi_context *bld_base, @@ -184,7 +191,11 @@ emit_fetch( break; case TGSI_FILE_TEMPORARY: - ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle); + if (uses_temp_indirect_addressing(bld_base)) { + ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle); + break; + } + ptr = ctx->temps[reg->Register.Index * TGSI_NUM_CHANNELS + swizzle]; result = LLVMBuildLoad(builder, ptr, ""); break; @@ -216,6 +227,7 @@ static void emit_declaration( const struct tgsi_full_declaration *decl) { struct radeon_llvm_context * ctx = radeon_llvm_context(bld_base); + unsigned first, last, i, idx; switch(decl->Declaration.File) { case TGSI_FILE_ADDRESS: { @@ -234,7 +246,23 @@ static void emit_declaration( case TGSI_FILE_TEMPORARY: if (decl->Declaration.Array && decl->Array.ArrayID <= RADEON_LLVM_MAX_ARRAYS) ctx->arrays[decl->Array.ArrayID - 1] = decl->Range; - lp_emit_declaration_soa(bld_base, decl); + if (uses_temp_indirect_addressing(bld_base)) { + lp_emit_declaration_soa(bld_base, decl); + break; + } + first = decl->Range.First; + last = decl->Range.Last; + if (!ctx->temps_count) { + ctx->temps_count = bld_base->info->file_max[TGSI_FILE_TEMPORARY] + 1; + ctx->temps = MALLOC(TGSI_NUM_CHANNELS * ctx->temps_count * sizeof(LLVMValueRef)); + } + for (idx = first; idx <= last; idx++) { + for (i = 0; i < TGSI_NUM_CHANNELS; i++) { + ctx->temps[idx * TGSI_NUM_CHANNELS + i] = + lp_build_alloca(bld_base->base.gallivm, bld_base->base.vec_type, + "temp"); + } + } break; case TGSI_FILE_INPUT: @@ -284,6 +312,7 @@ emit_store( const struct tgsi_opcode_info * info, LLVMValueRef dst[4]) { + struct radeon_llvm_context * ctx = radeon_llvm_context(bld_base); struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); struct gallivm_state *gallivm = bld->bld_base.base.gallivm; struct lp_build_context base = bld->bld_base.base; @@ -359,7 +388,10 @@ emit_store( break; case TGSI_FILE_TEMPORARY: - temp_ptr = lp_get_temp_ptr_soa(bld, i + range.First, chan_index); + if (uses_temp_indirect_addressing(bld_base)) + temp_ptr = lp_get_temp_ptr_soa(bld, i + range.First, chan_index); + else + temp_ptr = ctx->temps[(i + range.First) * TGSI_NUM_CHANNELS + chan_index]; break; default: @@ -377,7 +409,9 @@ emit_store( break; case TGSI_FILE_TEMPORARY: - temp_ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, chan_index); + if (uses_temp_indirect_addressing(bld_base)) + break; + temp_ptr = ctx->temps[ TGSI_NUM_CHANNELS * reg->Register.Index + chan_index]; break; default: @@ -1391,4 +1425,5 @@ void radeon_llvm_dispose(struct radeon_llvm_context * ctx) { LLVMDisposeModule(ctx->soa.bld_base.base.gallivm->module); LLVMContextDispose(ctx->soa.bld_base.base.gallivm->context); + FREE(ctx->temps); } |