diff options
author | Brian Paul <brian.paul@tungstengraphics.com> | 2003-01-14 04:55:45 +0000 |
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committer | Brian Paul <brian.paul@tungstengraphics.com> | 2003-01-14 04:55:45 +0000 |
commit | 610d59981a9f43fefe29b34ef19c184d28e2bef5 (patch) | |
tree | 6bac42c2fd25b19ed35260538c6d945de8d699d8 /src/mesa/main/nvvertprog.h | |
parent | cf01d97dc3e23af067dd9633a2bfa61a6a794ce6 (diff) |
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.
Diffstat (limited to 'src/mesa/main/nvvertprog.h')
-rw-r--r-- | src/mesa/main/nvvertprog.h | 107 |
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 0000000000..331d373c48 --- /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 */ |