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-rw-r--r--src/gallium/auxiliary/vl/vl_shader_build.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_shader_build.c b/src/gallium/auxiliary/vl/vl_shader_build.c
new file mode 100644
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--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_shader_build.c
@@ -0,0 +1,243 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Younes Manton.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "vl_shader_build.h"
+#include <assert.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+
+struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_INPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.Name = name;
+ decl.Semantic.Index = index;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_interpolated_input
+(
+ unsigned int name,
+ unsigned int index,
+ unsigned int first,
+ unsigned int last,
+ int interpolation
+)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ assert
+ (
+ interpolation == TGSI_INTERPOLATE_CONSTANT ||
+ interpolation == TGSI_INTERPOLATE_LINEAR ||
+ interpolation == TGSI_INTERPOLATE_PERSPECTIVE
+ );
+
+ decl.Declaration.File = TGSI_FILE_INPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.Name = name;
+ decl.Semantic.Index = index;
+ decl.Declaration.Interpolate = interpolation;;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_CONSTANT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.Name = name;
+ decl.Semantic.Index = index;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_OUTPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.Name = name;
+ decl.Semantic.Index = index;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl = tgsi_default_full_declaration();
+ decl.Declaration.File = TGSI_FILE_TEMPORARY;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl = tgsi_default_full_declaration();
+ decl.Declaration.File = TGSI_FILE_SAMPLER;
+ decl.Range.First = first;
+ decl.Range.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_instruction vl_inst2
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src_file,
+ unsigned int src_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.Dst[0].Register.File = dst_file;
+ inst.Dst[0].Register.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 1;
+ inst.Src[0].Register.File = src_file;
+ inst.Src[0].Register.Index = src_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_inst3
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.Dst[0].Register.File = dst_file;
+ inst.Dst[0].Register.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 2;
+ inst.Src[0].Register.File = src1_file;
+ inst.Src[0].Register.Index = src1_index;
+ inst.Src[1].Register.File = src2_file;
+ inst.Src[1].Register.Index = src2_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_tex
+(
+ int tex,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = TGSI_OPCODE_TEX;
+ inst.Instruction.NumDstRegs = 1;
+ inst.Dst[0].Register.File = dst_file;
+ inst.Dst[0].Register.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 2;
+ inst.Instruction.Texture = 1;
+ inst.Texture.Texture = tex;
+ inst.Src[0].Register.File = src1_file;
+ inst.Src[0].Register.Index = src1_index;
+ inst.Src[1].Register.File = src2_file;
+ inst.Src[1].Register.Index = src2_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_inst4
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index,
+ enum tgsi_file_type src3_file,
+ unsigned int src3_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.Dst[0].Register.File = dst_file;
+ inst.Dst[0].Register.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 3;
+ inst.Src[0].Register.File = src1_file;
+ inst.Src[0].Register.Index = src1_index;
+ inst.Src[1].Register.File = src2_file;
+ inst.Src[1].Register.Index = src2_index;
+ inst.Src[2].Register.File = src3_file;
+ inst.Src[2].Register.Index = src3_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_end(void)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = TGSI_OPCODE_END;
+ inst.Instruction.NumDstRegs = 0;
+ inst.Instruction.NumSrcRegs = 0;
+
+ return inst;
+}