📄 r200_vertprog.h

📁 Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti
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#ifndef __VERTEX_SHADER_H__#define __VERTEX_SHADER_H__#include "r200_reg.h"typedef struct {   uint32_t op;   uint32_t src0;   uint32_t src1;   uint32_t src2;} VERTEX_SHADER_INSTRUCTION;extern void r200InitShaderFuncs(struct dd_function_table *functions);extern void r200SetupVertexProg( GLcontext *ctx );#define VSF_FLAG_X	1#define VSF_FLAG_Y	2#define VSF_FLAG_Z	4#define VSF_FLAG_W	8#define VSF_FLAG_XYZ	(VSF_FLAG_X | VSF_FLAG_Y | VSF_FLAG_Z)#define VSF_FLAG_ALL	0xf#define VSF_FLAG_NONE	0#define R200_VSF_MAX_INST	128#define R200_VSF_MAX_PARAM	192#define R200_VSF_MAX_TEMPS	12#define R200_VPI_OUT_REG_INDEX_SHIFT            13#define R200_VPI_OUT_REG_INDEX_MASK             (31 << 13) /* GUESS based on fglrx native limits */#define R200_VPI_OUT_WRITE_X                    (1 << 20)#define R200_VPI_OUT_WRITE_Y                    (1 << 21)#define R200_VPI_OUT_WRITE_Z                    (1 << 22)#define R200_VPI_OUT_WRITE_W                    (1 << 23)#define R200_VPI_IN_REG_CLASS_TEMPORARY         (0 << 0)#define R200_VPI_IN_REG_CLASS_ATTRIBUTE         (1 << 0)#define R200_VPI_IN_REG_CLASS_PARAMETER         (2 << 0)#define R200_VPI_IN_REG_CLASS_NONE              (9 << 0)#define R200_VPI_IN_REG_CLASS_MASK              (31 << 0) /* GUESS */#define R200_VPI_IN_REG_INDEX_SHIFT             5#define R200_VPI_IN_REG_INDEX_MASK              (255 << 5) /* GUESS based on fglrx native limits *//* The R200 can select components from the input register arbitrarily.// Use the following constants, shifted by the component shift you// want to select */#define R200_VPI_IN_SELECT_X    0#define R200_VPI_IN_SELECT_Y    1#define R200_VPI_IN_SELECT_Z    2#define R200_VPI_IN_SELECT_W    3#define R200_VPI_IN_SELECT_ZERO 4#define R200_VPI_IN_SELECT_ONE  5#define R200_VPI_IN_SELECT_MASK 7#define R200_VPI_IN_X_SHIFT                     13#define R200_VPI_IN_Y_SHIFT                     16#define R200_VPI_IN_Z_SHIFT                     19#define R200_VPI_IN_W_SHIFT                     22#define R200_VPI_IN_NEG_X                       (1 << 25)#define R200_VPI_IN_NEG_Y                       (1 << 26)#define R200_VPI_IN_NEG_Z                       (1 << 27)#define R200_VPI_IN_NEG_W                       (1 << 28)#define R200_VSF_OUT_CLASS_TMP			(0 << 8)#define R200_VSF_OUT_CLASS_ADDR			(3 << 8)#define R200_VSF_OUT_CLASS_RESULT_POS		(4 << 8)#define R200_VSF_OUT_CLASS_RESULT_COLOR		(5 << 8)#define R200_VSF_OUT_CLASS_RESULT_TEXC		(6 << 8)#define R200_VSF_OUT_CLASS_RESULT_FOGC		(7 << 8)#define R200_VSF_OUT_CLASS_RESULT_POINTSIZE	(8 << 8)#define R200_VSF_OUT_CLASS_MASK			(31 << 8)/* opcodes - they all are the same as on r300 it seems, however   LIT and POW require different setup */#define R200_VPI_OUT_OP_DOT                     (1 << 0)#define R200_VPI_OUT_OP_MUL                     (2 << 0)#define R200_VPI_OUT_OP_ADD                     (3 << 0)#define R200_VPI_OUT_OP_MAD                     (4 << 0)#define R200_VPI_OUT_OP_DST                     (5 << 0)#define R200_VPI_OUT_OP_FRC                     (6 << 0)#define R200_VPI_OUT_OP_MAX                     (7 << 0)#define R200_VPI_OUT_OP_MIN                     (8 << 0)#define R200_VPI_OUT_OP_SGE                     (9 << 0)#define R200_VPI_OUT_OP_SLT                     (10 << 0)#define R200_VPI_OUT_OP_ARL                     (13 << 0)#define R200_VPI_OUT_OP_EXP                     (65 << 0)#define R200_VPI_OUT_OP_LOG                     (66 << 0)/* base e exp. Useful for fog. */#define R200_VPI_OUT_OP_EXP_E                   (67 << 0)#define R200_VPI_OUT_OP_LIT                     (68 << 0)#define R200_VPI_OUT_OP_POW                     (69 << 0)#define R200_VPI_OUT_OP_RCP                     (70 << 0)#define R200_VPI_OUT_OP_RSQ                     (72 << 0)#define R200_VPI_OUT_OP_EX2                     (75 << 0)#define R200_VPI_OUT_OP_LG2                     (76 << 0)#define R200_VPI_OUT_OP_MAD_2                   (128 << 0)/* first CARD32 of an instruction *//* possible operations:     DOT, MUL, ADD, MAD, FRC, MAX, MIN, SGE, SLT, EXP, LOG, LIT, POW, RCP, RSQ, EX2,    LG2, MAD_2, ARL */#define MAKE_VSF_OP(op, out_reg, out_reg_fields) \   ((op) | (out_reg) | ((out_reg_fields) << 20) )#define VSF_IN_CLASS_TMP	0#define VSF_IN_CLASS_ATTR	1#define VSF_IN_CLASS_PARAM	2#define VSF_IN_CLASS_NONE	9#define VSF_IN_COMPONENT_X	0#define VSF_IN_COMPONENT_Y	1#define VSF_IN_COMPONENT_Z	2#define VSF_IN_COMPONENT_W	3#define VSF_IN_COMPONENT_ZERO	4#define VSF_IN_COMPONENT_ONE	5#define MAKE_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \	( ((in_reg_index)<<R200_VPI_IN_REG_INDEX_SHIFT) \	   | ((comp_x)<<R200_VPI_IN_X_SHIFT) \	   | ((comp_y)<<R200_VPI_IN_Y_SHIFT) \	   | ((comp_z)<<R200_VPI_IN_Z_SHIFT) \	   | ((comp_w)<<R200_VPI_IN_W_SHIFT) \	   | ((negate)<<25) | ((class)))#define EASY_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \	MAKE_VSF_SOURCE(in_reg_index, \		VSF_IN_COMPONENT_##comp_x, \		VSF_IN_COMPONENT_##comp_y, \		VSF_IN_COMPONENT_##comp_z, \		VSF_IN_COMPONENT_##comp_w, \		VSF_IN_CLASS_##class, VSF_FLAG_##negate)/* special sources: *//* (1.0,1.0,1.0,1.0) vector (ATTR, plain ) */#define VSF_ATTR_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, ATTR, NONE)#define VSF_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, NONE, NONE)/* contents of unmodified register */#define VSF_REG(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, ATTR, NONE)/* contents of unmodified parameter */#define VSF_PARAM(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, PARAM, NONE)/* contents of unmodified temporary register */#define VSF_TMP(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, TMP, NONE)/* components of ATTR register */#define VSF_ATTR_X(reg) EASY_VSF_SOURCE(reg, X, X, X, X, ATTR, NONE)#define VSF_ATTR_Y(reg) EASY_VSF_SOURCE(reg, Y, Y, Y, Y, ATTR, NONE)#define VSF_ATTR_Z(reg) EASY_VSF_SOURCE(reg, Z, Z, Z, Z, ATTR, NONE)#define VSF_ATTR_W(reg) EASY_VSF_SOURCE(reg, W, W, W, W, ATTR, NONE)#endif
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