First batch of code for GL_NV_fragment_program.

Re-org of some GL_NV_vertex_program code.
Replace MAX_TEXTURE_UNITS with MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS.

1 files changed, 107 insertions, 0 deletions

diff --git a/src/mesa/main/nvvertprog.h b/src/mesa/main/nvvertprog.h
new file mode 100644
index 00000000000..331d373c48a
--- /dev/null
+++ b/src/mesa/main/nvvertprog.h
@@ -0,0 +1,107 @@
+/* $Id: nvvertprog.h,v 1.1 2003/01/14 04:55:46 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  5.1
+ *
+ * Copyright (C) 1999-2002  Brian Paul   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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ */
+
+
+/* Private vertex program types and constants only used by files
+ * related to vertex programs.
+ */
+
+#ifndef NVVERTPROG_H
+#define NVVERTPROG_H
+
+
+#define VP_NUM_INPUT_REGS   MAX_NV_VERTEX_PROGRAM_INPUTS
+#define VP_NUM_OUTPUT_REGS  MAX_NV_VERTEX_PROGRAM_INPUTS
+#define VP_NUM_TEMP_REGS    MAX_NV_VERTEX_PROGRAM_TEMPS
+#define VP_NUM_PROG_REGS    MAX_NV_VERTEX_PROGRAM_PARAMS
+
+/* Location of register groups within the whole register file */
+#define VP_INPUT_REG_START  0
+#define VP_INPUT_REG_END    (VP_INPUT_REG_START + VP_NUM_INPUT_REGS - 1)
+#define VP_OUTPUT_REG_START (VP_INPUT_REG_END + 1)
+#define VP_OUTPUT_REG_END   (VP_OUTPUT_REG_START + VP_NUM_OUTPUT_REGS - 1)
+#define VP_TEMP_REG_START   (VP_OUTPUT_REG_END + 1)
+#define VP_TEMP_REG_END     (VP_TEMP_REG_START + VP_NUM_TEMP_REGS - 1)
+#define VP_PROG_REG_START   (VP_TEMP_REG_END + 1)
+#define VP_PROG_REG_END     (VP_PROG_REG_START + VP_NUM_PROG_REGS - 1)
+
+
+/* Vertex program opcodes */
+enum vp_opcode
+{
+   VP_OPCODE_MOV,
+   VP_OPCODE_LIT,
+   VP_OPCODE_RCP,
+   VP_OPCODE_RSQ,
+   VP_OPCODE_EXP,
+   VP_OPCODE_LOG,
+   VP_OPCODE_MUL,
+   VP_OPCODE_ADD,
+   VP_OPCODE_DP3,
+   VP_OPCODE_DP4,
+   VP_OPCODE_DST,
+   VP_OPCODE_MIN,
+   VP_OPCODE_MAX,
+   VP_OPCODE_SLT,
+   VP_OPCODE_SGE,
+   VP_OPCODE_MAD,
+   VP_OPCODE_ARL,
+   VP_OPCODE_DPH,
+   VP_OPCODE_RCC,
+   VP_OPCODE_SUB,
+   VP_OPCODE_ABS,
+   VP_OPCODE_END
+};
+
+
+/* Instruction source register */
+struct vp_src_register
+{
+   GLint Register;    /* or the offset from the address register */
+   GLuint Swizzle[4];
+   GLboolean Negate;
+   GLboolean RelAddr;
+};
+
+
+/* Instruction destination register */
+struct vp_dst_register
+{
+   GLint Register;
+   GLboolean WriteMask[4];
+};
+
+
+/* Vertex program instruction */
+struct vp_instruction
+{
+   enum vp_opcode Opcode;
+   struct vp_src_register SrcReg[3];
+   struct vp_dst_register DstReg;
+};
+
+
+#endif /* VERTPROG_H */