/*
* Mesa 3-D graphics library
- * Version: 7.3
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#define SWIZZLE_NOOP MAKE_SWIZZLE4(0,1,2,3)
#define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
#define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
+/** Determine if swz contains SWIZZLE_ZERO/ONE/NIL for any components. */
+#define HAS_EXTENDED_SWIZZLE(swz) (swz & 0x924)
#define SWIZZLE_XYZW MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W)
#define SWIZZLE_XXXX MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X)
/*@}*/
-/**
- * Condition codes
- */
-/*@{*/
-#define COND_GT 1 /**< greater than zero */
-#define COND_EQ 2 /**< equal to zero */
-#define COND_LT 3 /**< less than zero */
-#define COND_UN 4 /**< unordered (NaN) */
-#define COND_GE 5 /**< greater than or equal to zero */
-#define COND_LE 6 /**< less than or equal to zero */
-#define COND_NE 7 /**< not equal to zero */
-#define COND_TR 8 /**< always true */
-#define COND_FL 9 /**< always false */
-/*@}*/
-
-
-/**
- * Instruction precision for GL_NV_fragment_program
- */
-/*@{*/
-#define FLOAT32 0x1
-#define FLOAT16 0x2
-#define FIXED12 0x4
-/*@}*/
-
-
-/**
- * Saturation modes when storing values.
- */
-/*@{*/
-#define SATURATE_OFF 0
-#define SATURATE_ZERO_ONE 1
-/*@}*/
-
-
/**
* Per-component negation masks
*/
/**
* Program instruction opcodes for vertex, fragment and geometry programs.
*/
-typedef enum prog_opcode {
+enum prog_opcode {
/* ARB_vp ARB_fp NV_vp NV_fp GLSL */
/*------------------------------------------*/
OPCODE_NOP = 0, /* X */
OPCODE_ABS, /* X X 1.1 X */
OPCODE_ADD, /* X X X X X */
- OPCODE_AND, /* */
OPCODE_ARL, /* X X X */
OPCODE_BGNLOOP, /* opt */
OPCODE_BGNSUB, /* opt */
OPCODE_DDX, /* X X */
OPCODE_DDY, /* X X */
OPCODE_DP2, /* 2 X */
- OPCODE_DP2A, /* 2 */
OPCODE_DP3, /* X X X X X */
OPCODE_DP4, /* X X X X X */
OPCODE_DPH, /* X X 1.1 */
OPCODE_DST, /* X X X X */
OPCODE_ELSE, /* opt */
- OPCODE_EMIT_VERTEX,/* X */
OPCODE_END, /* X X X X opt */
- OPCODE_END_PRIMITIVE,/* X */
OPCODE_ENDIF, /* opt */
OPCODE_ENDLOOP, /* opt */
OPCODE_ENDSUB, /* opt */
OPCODE_FRC, /* X X 2 X X */
OPCODE_IF, /* opt */
OPCODE_KIL, /* X X */
- OPCODE_KIL_NV, /* X X */
OPCODE_LG2, /* X X 2 X X */
OPCODE_LIT, /* X X X X */
OPCODE_LOG, /* X X */
OPCODE_NOISE2, /* X */
OPCODE_NOISE3, /* X */
OPCODE_NOISE4, /* X */
- OPCODE_NOT, /* */
- OPCODE_NRM3, /* */
- OPCODE_NRM4, /* */
- OPCODE_OR, /* */
- OPCODE_PK2H, /* X */
- OPCODE_PK2US, /* X */
- OPCODE_PK4B, /* X */
- OPCODE_PK4UB, /* X */
OPCODE_POW, /* X X X X */
- OPCODE_PRINT, /* X X */
OPCODE_RCP, /* X X X X X */
OPCODE_RET, /* 2 2 opt */
- OPCODE_RFL, /* X */
OPCODE_RSQ, /* X X X X X */
OPCODE_SCS, /* X X */
- OPCODE_SEQ, /* 2 X X */
- OPCODE_SFL, /* 2 X */
OPCODE_SGE, /* X X X X X */
- OPCODE_SGT, /* 2 X X */
OPCODE_SIN, /* X 2 X X */
- OPCODE_SLE, /* 2 X X */
OPCODE_SLT, /* X X X X X */
- OPCODE_SNE, /* 2 X X */
OPCODE_SSG, /* 2 X */
- OPCODE_STR, /* 2 X */
OPCODE_SUB, /* X X 1.1 X X */
OPCODE_SWZ, /* X X X */
OPCODE_TEX, /* X 3 X X */
OPCODE_TXD, /* X X */
OPCODE_TXL, /* 3 2 X */
OPCODE_TXP, /* X X */
- OPCODE_TXP_NV, /* 3 X */
OPCODE_TRUNC, /* X */
- OPCODE_UP2H, /* X */
- OPCODE_UP2US, /* X */
- OPCODE_UP4B, /* X */
- OPCODE_UP4UB, /* X */
- OPCODE_X2D, /* X */
- OPCODE_XOR, /* */
OPCODE_XPD, /* X X */
MAX_OPCODE
-} gl_inst_opcode;
+};
/**
GLuint Swizzle:12;
GLuint RelAddr:1;
- /** Take the component-wise absolute value */
- GLuint Abs:1;
-
/**
- * Post-Abs negation.
+ * Negation.
* This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ
* instruction which allows per-component negation.
*/
GLuint Negate:4;
-
- /**
- * Is the register two-dimensional.
- * Two dimensional registers are of the
- * REGISTER[index][index2] format.
- * They are used by the geometry shaders where
- * the first index is the index within an array
- * and the second index is the semantic of the
- * array, e.g. gl_PositionIn[index] would become
- * INPUT[index][gl_PositionIn]
- */
- GLuint HasIndex2:1;
- GLuint RelAddr2:1;
- GLint Index2:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.
- * May be negative for relative
- * addressing. */
};
GLuint Index:INST_INDEX_BITS; /**< Unsigned, never negative */
GLuint WriteMask:4;
GLuint RelAddr:1;
-
- /**
- * \name Conditional destination update control.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- /*@{*/
- /**
- * Takes one of the 9 possible condition values (EQ, FL, GT, GE, LE, LT,
- * NE, TR, or UN). Dest reg is only written to if the matching
- * (swizzled) condition code value passes. When a conditional update mask
- * is not specified, this will be \c COND_TR.
- */
- GLuint CondMask:4;
-
- /**
- * Condition code swizzle value.
- */
- GLuint CondSwizzle:12;
};
*/
struct prog_instruction
{
- gl_inst_opcode Opcode;
+ enum prog_opcode Opcode;
struct prog_src_register SrcReg[3];
struct prog_dst_register DstReg;
/**
- * Indicates that the instruction should update the condition code
- * register.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- GLuint CondUpdate:1;
-
- /**
- * If prog_instruction::CondUpdate is \c GL_TRUE, this value selects the
- * condition code register that is to be updated.
- *
- * In GL_NV_fragment_program or GL_NV_vertex_program2 mode, only condition
- * code register 0 is available. In GL_NV_vertex_program3 mode, condition
- * code registers 0 and 1 are available.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- GLuint CondDst:1;
-
- /**
- * Saturate each value of the vectored result to the range [0,1] or the
- * range [-1,1]. \c SSAT mode (i.e., saturation to the range [-1,1]) is
- * only available in NV_fragment_program2 mode.
- * Value is one of the SATURATE_* tokens.
+ * Saturate each value of the vectored result to the range [0,1].
*
* \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.
+ * ARB_fragment_program
*/
- GLuint SaturateMode:2;
-
- /**
- * Per-instruction selectable precision: FLOAT32, FLOAT16, FIXED12.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option.
- */
- GLuint Precision:3;
+ GLuint Saturate:1;
/**
* \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions.
* For ELSE, points to ENDIF.
*/
GLint BranchTarget;
+};
- /** for debugging purposes */
- const char *Comment;
-
- /** Arbitrary data. Used for OPCODE_PRINT and some drivers */
- void *Data;
- /** for driver use (try to remove someday) */
- GLint Aux;
-};
+#ifdef __cplusplus
+extern "C" {
+#endif
+struct gl_program;
extern void
_mesa_init_instructions(struct prog_instruction *inst, GLuint count);
-extern struct prog_instruction *
-_mesa_alloc_instructions(GLuint numInst);
-
-extern struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
- GLuint numOldInst, GLuint numNewInst);
-
extern struct prog_instruction *
_mesa_copy_instructions(struct prog_instruction *dest,
const struct prog_instruction *src, GLuint n);
-extern void
-_mesa_free_instructions(struct prog_instruction *inst, GLuint count);
-
extern GLuint
-_mesa_num_inst_src_regs(gl_inst_opcode opcode);
+_mesa_num_inst_src_regs(enum prog_opcode opcode);
extern GLuint
-_mesa_num_inst_dst_regs(gl_inst_opcode opcode);
+_mesa_num_inst_dst_regs(enum prog_opcode opcode);
extern GLboolean
-_mesa_is_tex_instruction(gl_inst_opcode opcode);
+_mesa_is_tex_instruction(enum prog_opcode opcode);
extern GLboolean
_mesa_check_soa_dependencies(const struct prog_instruction *inst);
extern const char *
-_mesa_opcode_string(gl_inst_opcode opcode);
+_mesa_opcode_string(enum prog_opcode opcode);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
#endif /* PROG_INSTRUCTION_H */
projects / mesa.git / blobdiff