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-rw-r--r--src/mesa/shader/prog_instruction.c99
-rw-r--r--src/mesa/shader/prog_instruction.h403
-rw-r--r--src/mesa/shader/prog_parameter.c448
-rw-r--r--src/mesa/shader/prog_parameter.h123
-rw-r--r--src/mesa/shader/prog_print.c464
-rw-r--r--src/mesa/shader/prog_print.h45
-rw-r--r--src/mesa/shader/prog_statevars.c783
-rw-r--r--src/mesa/shader/prog_statevars.h117
8 files changed, 2482 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_instruction.c b/src/mesa/shader/prog_instruction.c
new file mode 100644
index 00000000000..f4dae76de0d
--- /dev/null
+++ b/src/mesa/shader/prog_instruction.c
@@ -0,0 +1,99 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2005 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.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "prog_instruction.h"
+
+
+/**
+ * Initialize program instruction fields to defaults.
+ * \param inst first instruction to initialize
+ * \param count number of instructions to initialize
+ */
+void
+_mesa_init_instructions(struct prog_instruction *inst, GLuint count)
+{
+ GLuint i;
+
+ _mesa_bzero(inst, count * sizeof(struct prog_instruction));
+
+ for (i = 0; i < count; i++) {
+ inst[i].SrcReg[0].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[0].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[1].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[2].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[2].Swizzle = SWIZZLE_NOOP;
+
+ inst[i].DstReg.File = PROGRAM_UNDEFINED;
+ inst[i].DstReg.WriteMask = WRITEMASK_XYZW;
+ inst[i].DstReg.CondMask = COND_TR;
+ inst[i].DstReg.CondSwizzle = SWIZZLE_NOOP;
+
+ inst[i].SaturateMode = SATURATE_OFF;
+ inst[i].Precision = FLOAT32;
+ }
+}
+
+
+/**
+ * Allocate an array of program instructions.
+ * \param numInst number of instructions
+ * \return pointer to instruction memory
+ */
+struct prog_instruction *
+_mesa_alloc_instructions(GLuint numInst)
+{
+ return (struct prog_instruction *)
+ _mesa_calloc(numInst * sizeof(struct prog_instruction));
+}
+
+
+/**
+ * Reallocate memory storing an array of program instructions.
+ * This is used when we need to append additional instructions onto an
+ * program.
+ * \param oldInst pointer to first of old/src instructions
+ * \param numOldInst number of instructions at <oldInst>
+ * \param numNewInst desired size of new instruction array.
+ * \return pointer to start of new instruction array.
+ */
+struct prog_instruction *
+_mesa_realloc_instructions(struct prog_instruction *oldInst,
+ GLuint numOldInst, GLuint numNewInst)
+{
+ struct prog_instruction *newInst;
+
+ newInst = (struct prog_instruction *)
+ _mesa_realloc(oldInst,
+ numOldInst * sizeof(struct prog_instruction),
+ numNewInst * sizeof(struct prog_instruction));
+
+ return newInst;
+}
+
+
diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
new file mode 100644
index 00000000000..bda6a2c3226
--- /dev/null
+++ b/src/mesa/shader/prog_instruction.h
@@ -0,0 +1,403 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 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.
+ */
+
+
+/**
+ * \file prog_instruction.h
+ *
+ * Private vertex program types and constants only used by files
+ * related to vertex programs.
+ *
+ * \author Brian Paul
+ * \author Keith Whitwell
+ * \author Ian Romanick <[email protected]>
+ */
+
+
+#ifndef PROG_INSTRUCTION_H
+#define PROG_INSTRUCTION_H
+
+
+/* for GL_ARB_v_p and GL_ARB_f_p SWZ instruction */
+#define SWIZZLE_X 0
+#define SWIZZLE_Y 1
+#define SWIZZLE_Z 2
+#define SWIZZLE_W 3
+#define SWIZZLE_ZERO 4 /* keep these values together: KW */
+#define SWIZZLE_ONE 5 /* keep these values together: KW */
+
+#define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
+#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)
+
+
+#define WRITEMASK_X 0x1
+#define WRITEMASK_Y 0x2
+#define WRITEMASK_XY 0x3
+#define WRITEMASK_Z 0x4
+#define WRITEMASK_XZ 0x5
+#define WRITEMASK_YZ 0x6
+#define WRITEMASK_XYZ 0x7
+#define WRITEMASK_W 0x8
+#define WRITEMASK_XW 0x9
+#define WRITEMASK_YW 0xa
+#define WRITEMASK_XYW 0xb
+#define WRITEMASK_ZW 0xc
+#define WRITEMASK_XZW 0xd
+#define WRITEMASK_YZW 0xe
+#define WRITEMASK_XYZW 0xf
+
+
+/**
+ * Condition codes for GL_NV_fragment_program
+ */
+/*@{*/
+#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 then or equal to zero */
+#define COND_LE 6 /* less then 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
+#define SATURATE_PLUS_MINUS_ONE 2
+/*@}*/
+
+
+/**
+ * Per-component negation masks
+ */
+/*@{*/
+#define NEGATE_X 0x1
+#define NEGATE_Y 0x2
+#define NEGATE_Z 0x4
+#define NEGATE_W 0x8
+#define NEGATE_XYZW 0xf
+#define NEGATE_NONE 0x0
+/*@}*/
+
+
+/**
+ * Program instruction opcodes, for both vertex and fragment programs.
+ * \note changes to this opcode list must be reflected in t_vb_arbprogram.c
+ */
+typedef enum prog_opcode {
+ /* ARB_vp ARB_fp NV_vp NV_fp */
+ /*---------------------------------*/
+ OPCODE_NOP = 0,
+ OPCODE_ABS, /* X X 1.1 */
+ OPCODE_ADD, /* X X X X */
+ OPCODE_ARA, /* 2 */
+ OPCODE_ARL, /* X X */
+ OPCODE_ARL_NV, /* 2 */
+ OPCODE_ARR, /* 2 */
+ OPCODE_BRA, /* 2 */
+ OPCODE_CAL, /* 2 2 */
+ OPCODE_CMP, /* X */
+ OPCODE_COS, /* X 2 X */
+ OPCODE_DDX, /* X */
+ OPCODE_DDY, /* X */
+ OPCODE_DP3, /* X X X X */
+ OPCODE_DP4, /* X X X X */
+ OPCODE_DPH, /* X X 1.1 */
+ OPCODE_DST, /* X X X X */
+ OPCODE_END, /* X X X X */
+ OPCODE_EX2, /* X X 2 X */
+ OPCODE_EXP, /* X X */
+ OPCODE_FLR, /* X X 2 X */
+ OPCODE_FRC, /* X X 2 X */
+ OPCODE_KIL, /* X */
+ OPCODE_KIL_NV, /* X */
+ OPCODE_LG2, /* X X 2 X */
+ OPCODE_LIT, /* X X X X */
+ OPCODE_LOG, /* X X */
+ OPCODE_LRP, /* X X */
+ OPCODE_MAD, /* X X X X */
+ OPCODE_MAX, /* X X X X */
+ OPCODE_MIN, /* X X X X */
+ OPCODE_MOV, /* X X X X */
+ OPCODE_MUL, /* X X X X */
+ OPCODE_PK2H, /* X */
+ OPCODE_PK2US, /* X */
+ OPCODE_PK4B, /* X */
+ OPCODE_PK4UB, /* X */
+ OPCODE_POW, /* X X X */
+ OPCODE_POPA, /* 3 */
+ OPCODE_PRINT, /* X X */
+ OPCODE_PUSHA, /* 3 */
+ OPCODE_RCC, /* 1.1 */
+ OPCODE_RCP, /* X X X X */
+ OPCODE_RET, /* 2 2 */
+ OPCODE_RFL, /* X X */
+ OPCODE_RSQ, /* X X X X */
+ OPCODE_SCS, /* X */
+ OPCODE_SEQ, /* 2 X */
+ OPCODE_SFL, /* 2 X */
+ OPCODE_SGE, /* X X X X */
+ OPCODE_SGT, /* 2 X */
+ OPCODE_SIN, /* X 2 X */
+ OPCODE_SLE, /* 2 X */
+ OPCODE_SLT, /* X X X X */
+ OPCODE_SNE, /* 2 X */
+ OPCODE_SSG, /* 2 */
+ OPCODE_STR, /* 2 X */
+ OPCODE_SUB, /* X X 1.1 X */
+ OPCODE_SWZ, /* X X */
+ OPCODE_TEX, /* X 3 X */
+ OPCODE_TXB, /* X 3 */
+ OPCODE_TXD, /* X */
+ OPCODE_TXL, /* 3 2 */
+ OPCODE_TXP, /* X */
+ OPCODE_TXP_NV, /* 3 X */
+ OPCODE_UP2H, /* X */
+ OPCODE_UP2US, /* X */
+ OPCODE_UP4B, /* X */
+ OPCODE_UP4UB, /* X */
+ OPCODE_X2D, /* X */
+ OPCODE_XPD, /* X X */
+ MAX_OPCODE
+} gl_inst_opcode;
+
+
+/**
+ * Instruction source register.
+ */
+struct prog_src_register
+{
+ GLuint File:4; /**< One of the PROGRAM_* register file values. */
+ GLint Index:9; /**< May be negative for relative addressing. */
+ GLuint Swizzle:12;
+ GLuint RelAddr:1;
+
+ /**
+ * \name Source register "sign" control.
+ *
+ * The ARB and NV extensions allow varrying degrees of control over the
+ * sign of the source vector components. These values allow enough control
+ * for all flavors of the extensions.
+ */
+ /*@{*/
+ /**
+ * Per-component negation for the SWZ instruction. For non-SWZ
+ * instructions the only possible values are NEGATE_XYZW and NEGATE_NONE.
+ *
+ * \since
+ * ARB_vertex_program, ARB_fragment_program
+ */
+ GLuint NegateBase:4;
+
+ /**
+ * Take the component-wise absolute value.
+ *
+ * \since
+ * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
+ * NV_vertex_program2_option.
+ */
+ GLuint Abs:1;
+
+ /**
+ * Post-absolute value negation (all components).
+ */
+ GLuint NegateAbs:1;
+ /*@}*/
+};
+
+
+/**
+ * Instruction destination register.
+ */
+struct prog_dst_register
+{
+ /**
+ * One of the PROGRAM_* register file values.
+ */
+ GLuint File:4;
+
+ GLuint Index:8;
+ GLuint WriteMask:4;
+
+ /**
+ * \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). Destination update is enabled 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;
+
+ /**
+ * Selects the condition code register to use for conditional destination
+ * update masking. In NV_fragmnet_program or NV_vertex_program2 mode, only
+ * condition code register 0 is available. In NV_vertex_program3 mode,
+ * condition code registers 0 and 1 are available.
+ */
+ GLuint CondSrc:1;
+ /*@}*/
+
+ GLuint pad:31;
+};
+
+
+/**
+ * Vertex/fragment program instruction.
+ */
+struct prog_instruction
+{
+ gl_inst_opcode Opcode;
+#if FEATURE_MESA_program_debug
+ GLshort StringPos;
+#endif
+ /**
+ * Arbitrary data. Used for the PRINT, CAL, and BRA instructions.
+ */
+ void *Data;
+
+ 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.
+ *
+ * \since
+ * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.
+ */
+ GLuint SaturateMode:2;
+
+ /**
+ * Per-instruction selectable precision.
+ *
+ * \since
+ * NV_fragment_program, NV_fragment_program_option.
+ */
+ GLuint Precision:3;
+
+ /**
+ * \name Texture source controls.
+ *
+ * The texture source controls are only used with the \c TEX, \c TXD,
+ * \c TXL, and \c TXP instructions.
+ *
+ * \since
+ * ARB_fragment_program, NV_fragment_program, NV_vertex_program3.
+ */
+ /*@{*/
+ /**
+ * Source texture unit. OpenGL supports a maximum of 32 texture
+ * units.
+ */
+ GLuint TexSrcUnit:5;
+
+ /**
+ * Source texture target, one of TEXTURE_{1D,2D,3D,CUBE,RECT}_INDEX.
+ */
+ GLuint TexSrcTarget:3;
+ /*@}*/
+
+ /**
+ * For BRA and CAL instructions, the location to jump to.
+ */
+ GLuint BranchTarget;
+
+ const char *Comment;
+};
+
+
+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 GLuint
+_mesa_num_inst_src_regs(gl_inst_opcode opcode);
+
+extern const char *
+_mesa_opcode_string(gl_inst_opcode opcode);
+
+
+#endif /* PROG_INSTRUCTION_H */
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
new file mode 100644
index 00000000000..f634e38800b
--- /dev/null
+++ b/src/mesa/shader/prog_parameter.c
@@ -0,0 +1,448 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+/**
+ * \file prog_parameter.c
+ * Program parameter lists and functions.
+ * \author Brian Paul
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "program.h"
+#include "prog_instruction.h"
+#include "prog_parameter.h"
+#include "prog_statevars.h"
+
+
+struct gl_program_parameter_list *
+_mesa_new_parameter_list(void)
+{
+ return (struct gl_program_parameter_list *)
+ _mesa_calloc(sizeof(struct gl_program_parameter_list));
+}
+
+
+/**
+ * Free a parameter list and all its parameters
+ */
+void
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
+{
+ GLuint i;
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name)
+ _mesa_free((void *) paramList->Parameters[i].Name);
+ }
+ _mesa_free(paramList->Parameters);
+ if (paramList->ParameterValues)
+ _mesa_align_free(paramList->ParameterValues);
+ _mesa_free(paramList);
+}
+
+
+
+/**
+ * Add a new parameter to a parameter list.
+ * \param paramList the list to add the parameter to
+ * \param name the parameter name, will be duplicated/copied!
+ * \param values initial parameter value, up to 4 GLfloats
+ * \param size number of elements in 'values' vector (1..4)
+ * \param type type of parameter, such as
+ * \return index of new parameter in the list, or -1 if error (out of mem)
+ */
+GLint
+_mesa_add_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4], GLuint size,
+ enum register_file type)
+{
+ const GLuint n = paramList->NumParameters;
+
+ if (n == paramList->Size) {
+ /* Need to grow the parameter list array */
+ if (paramList->Size == 0)
+ paramList->Size = 8;
+ else
+ paramList->Size *= 2;
+
+ /* realloc arrays */
+ paramList->Parameters = (struct gl_program_parameter *)
+ _mesa_realloc(paramList->Parameters,
+ n * sizeof(struct gl_program_parameter),
+ paramList->Size * sizeof(struct gl_program_parameter));
+
+ paramList->ParameterValues = (GLfloat (*)[4])
+ _mesa_align_realloc(paramList->ParameterValues, /* old buf */
+ n * 4 * sizeof(GLfloat), /* old size */
+ paramList->Size * 4 *sizeof(GLfloat), /* new sz */
+ 16);
+ }
+
+ if (!paramList->Parameters ||
+ !paramList->ParameterValues) {
+ /* out of memory */
+ paramList->NumParameters = 0;
+ paramList->Size = 0;
+ return -1;
+ }
+ else {
+ paramList->NumParameters = n + 1;
+
+ _mesa_memset(&paramList->Parameters[n], 0,
+ sizeof(struct gl_program_parameter));
+
+ paramList->Parameters[n].Name = name ? _mesa_strdup(name) : NULL;
+ paramList->Parameters[n].Type = type;
+ paramList->Parameters[n].Size = size;
+ if (values)
+ COPY_4V(paramList->ParameterValues[n], values);
+ return (GLint) n;
+ }
+}
+
+
+/**
+ * Add a new named program parameter (Ex: NV_fragment_program DEFINE statement)
+ * \return index of the new entry in the parameter list
+ */
+GLint
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4])
+{
+ return _mesa_add_parameter(paramList, name, values, 4, PROGRAM_NAMED_PARAM);
+}
+
+
+/**
+ * Add a new named constant to the parameter list.
+ * This will be used when the program contains something like this:
+ * PARAM myVals = { 0, 1, 2, 3 };
+ *
+ * \param paramList the parameter list
+ * \param name the name for the constant
+ * \param values four float values
+ * \return index/position of the new parameter in the parameter list
+ */
+GLint
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4],
+ GLuint size)
+{
+#if 0 /* disable this for now -- we need to save the name! */
+ GLint pos;
+ GLuint swizzle;
+ ASSERT(size == 4); /* XXX future feature */
+ /* check if we already have this constant */
+ if (_mesa_lookup_parameter_constant(paramList, values, 4, &pos, &swizzle)) {
+ return pos;
+ }
+#endif
+ size = 4; /** XXX fix */
+ return _mesa_add_parameter(paramList, name, values, size, PROGRAM_CONSTANT);
+}
+
+
+/**
+ * Add a new unnamed constant to the parameter list.
+ * This will be used when the program contains something like this:
+ * MOV r, { 0, 1, 2, 3 };
+ *
+ * \param paramList the parameter list
+ * \param values four float values
+ * \param swizzleOut returns swizzle mask for accessing the constant
+ * \return index/position of the new parameter in the parameter list.
+ */
+GLint
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const GLfloat values[4], GLuint size,
+ GLuint *swizzleOut)
+{
+ GLint pos;
+ GLuint swizzle;
+ ASSERT(size >= 1);
+ ASSERT(size <= 4);
+ size = 4; /* XXX temporary */
+ /* check if we already have this constant */
+ if (_mesa_lookup_parameter_constant(paramList, values,
+ size, &pos, &swizzle)) {
+ return pos;
+ }
+ return _mesa_add_parameter(paramList, NULL, values, size, PROGRAM_CONSTANT);
+}
+
+
+GLint
+_mesa_add_uniform(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size)
+{
+ GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
+ if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_UNIFORM) {
+ /* already in list */
+ return i;
+ }
+ else {
+ assert(size == 4);
+ i = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_UNIFORM);
+ return i;
+ }
+}
+
+
+GLint
+_mesa_add_varying(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size)
+{
+ GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
+ if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_VARYING) {
+ /* already in list */
+ return i;
+ }
+ else {
+ assert(size == 4);
+ i = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_VARYING);
+ return i;
+ }
+}
+
+
+
+
+#if 0 /* not used yet */
+/**
+ * Returns the number of 4-component registers needed to store a piece
+ * of GL state. For matrices this may be as many as 4 registers,
+ * everything else needs
+ * just 1 register.
+ */
+static GLuint
+sizeof_state_reference(const GLint *stateTokens)
+{
+ if (stateTokens[0] == STATE_MATRIX) {
+ GLuint rows = stateTokens[4] - stateTokens[3] + 1;
+ assert(rows >= 1);
+ assert(rows <= 4);
+ return rows;
+ }
+ else {
+ return 1;
+ }
+}
+#endif
+
+
+/**
+ * Add a new state reference to the parameter list.
+ * This will be used when the program contains something like this:
+ * PARAM ambient = state.material.front.ambient;
+ *
+ * \param paramList the parameter list
+ * \param state an array of 6 state tokens
+ * \return index of the new parameter.
+ */
+GLint
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const GLint *stateTokens)
+{
+ const GLuint size = 4; /* XXX fix */
+ const char *name;
+ GLint index;
+
+ /* Check if the state reference is already in the list */
+ for (index = 0; index < paramList->NumParameters; index++) {
+ GLuint i, match = 0;
+ for (i = 0; i < 6; i++) {
+ if (paramList->Parameters[index].StateIndexes[i] == stateTokens[i]) {
+ match++;
+ }
+ else {
+ break;
+ }
+ }
+ if (match == 6) {
+ /* this state reference is already in the parameter list */
+ return index;
+ }
+ }
+
+ name = _mesa_program_state_string(stateTokens);
+ index = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_STATE_VAR);
+ if (index >= 0) {
+ GLuint i;
+ for (i = 0; i < 6; i++) {
+ paramList->Parameters[index].StateIndexes[i]
+ = (gl_state_index) stateTokens[i];
+ }
+ paramList->StateFlags |= _mesa_program_state_flags(stateTokens);
+ }
+
+ /* free name string here since we duplicated it in add_parameter() */
+ _mesa_free((void *) name);
+
+ return index;
+}
+
+
+/**
+ * Lookup a parameter value by name in the given parameter list.
+ * \return pointer to the float[4] values.
+ */
+GLfloat *
+_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name)
+{
+ GLuint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
+ if (i < 0)
+ return NULL;
+ else
+ return paramList->ParameterValues[i];
+}
+
+
+/**
+ * Given a program parameter name, find its position in the list of parameters.
+ * \param paramList the parameter list to search
+ * \param nameLen length of name (in chars).
+ * If length is negative, assume that name is null-terminated.
+ * \param name the name to search for
+ * \return index of parameter in the list.
+ */
+GLint
+_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name)
+{
+ GLint i;
+
+ if (!paramList)
+ return -1;
+
+ if (nameLen == -1) {
+ /* name is null-terminated */
+ for (i = 0; i < (GLint) paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name &&
+ _mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
+ return i;
+ }
+ }
+ else {
+ /* name is not null-terminated, use nameLen */
+ for (i = 0; i < (GLint) paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Name &&
+ _mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
+ && _mesa_strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
+ return i;
+ }
+ }
+ return -1;
+}
+
+
+/**
+ * Look for a float vector in the given parameter list. The float vector
+ * may be of length 1, 2, 3 or 4.
+ * \param paramList the parameter list to search
+ * \param v the float vector to search for
+ * \param size number of element in v
+ * \param posOut returns the position of the constant, if found
+ * \param swizzleOut returns a swizzle mask describing location of the
+ * vector elements if found
+ * \return GL_TRUE if found, GL_FALSE if not found
+ */
+GLboolean
+_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *paramList,
+ const GLfloat v[], GLsizei vSize,
+ GLint *posOut, GLuint *swizzleOut)
+{
+ GLuint i;
+
+ assert(vSize >= 1);
+ assert(vSize <= 4);
+
+ if (!paramList)
+ return -1;
+
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Type == PROGRAM_CONSTANT) {
+ const GLint maxShift = 4 - vSize;
+ GLint shift, j;
+ for (shift = 0; shift <= maxShift; shift++) {
+ GLint matched = 0;
+ GLuint swizzle[4];
+ swizzle[0] = swizzle[1] = swizzle[2] = swizzle[3] = 0;
+ /* XXX we could do out-of-order swizzle matches too, someday */
+ for (j = 0; j < vSize; j++) {
+ assert(shift + j < 4);
+ if (paramList->ParameterValues[i][shift + j] == v[j]) {
+ matched++;
+ swizzle[j] = shift + j;
+ ASSERT(swizzle[j] >= SWIZZLE_X);
+ ASSERT(swizzle[j] <= SWIZZLE_W);
+ }
+ }
+ if (matched == vSize) {
+ /* found! */
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(swizzle[0], swizzle[1],
+ swizzle[2], swizzle[3]);
+ return GL_TRUE;
+ }
+ }
+ }
+ }
+
+ *posOut = -1;
+ return GL_FALSE;
+}
+
+
+struct gl_program_parameter_list *
+_mesa_clone_parameter_list(const struct gl_program_parameter_list *list)
+{
+ struct gl_program_parameter_list *clone;
+ GLuint i;
+
+ clone = _mesa_new_parameter_list();
+ if (!clone)
+ return NULL;
+
+ /** Not too efficient, but correct */
+ for (i = 0; i < list->NumParameters; i++) {
+ struct gl_program_parameter *p = list->Parameters + i;
+ GLint j = _mesa_add_parameter(clone, p->Name, list->ParameterValues[i],
+ p->Size, p->Type);
+ ASSERT(j >= 0);
+ /* copy state indexes */
+ if (p->Type == PROGRAM_STATE_VAR) {
+ GLint k;
+ struct gl_program_parameter *q = clone->Parameters + j;
+ for (k = 0; k < 6; k++) {
+ q->StateIndexes[k] = p->StateIndexes[k];
+ }
+ }
+ }
+
+ return clone;
+}
diff --git a/src/mesa/shader/prog_parameter.h b/src/mesa/shader/prog_parameter.h
new file mode 100644
index 00000000000..c60ef543b75
--- /dev/null
+++ b/src/mesa/shader/prog_parameter.h
@@ -0,0 +1,123 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+/**
+ * \file prog_parameter.c
+ * Program parameter lists and functions.
+ * \author Brian Paul
+ */
+
+#ifndef PROG_PARAMETER_H
+#define PROG_PARAMETER_H
+
+#include "mtypes.h"
+
+
+/**
+ * Named program parameters
+ * Used for NV_fragment_program "DEFINE"d constants and "DECLARE"d parameters,
+ * and ARB_fragment_program global state references. For the later, Name
+ * might be "state.light[0].diffuse", for example.
+ */
+struct gl_program_parameter
+{
+ const char *Name; /**< Null-terminated string */
+ enum register_file Type; /**< PROGRAM_NAMED_PARAM, CONSTANT or STATE_VAR */
+ GLuint Size; /**< Number of components (1..4) */
+ /**
+ * A sequence of STATE_* tokens and integers to identify GL state.
+ */
+ GLuint StateIndexes[6];
+};
+
+
+/**
+ * A list of the above program_parameter instances.
+ */
+struct gl_program_parameter_list
+{
+ GLuint Size; /**< allocated size of Parameters, ParameterValues */
+ GLuint NumParameters; /**< number of parameters in arrays */
+ struct gl_program_parameter *Parameters; /**< Array [Size] */
+ GLfloat (*ParameterValues)[4]; /**< Array [Size] of GLfloat[4] */
+ GLbitfield StateFlags; /**< _NEW_* flags indicating which state changes
+ might invalidate ParameterValues[] */
+};
+
+
+extern struct gl_program_parameter_list *
+_mesa_new_parameter_list(void);
+
+extern void
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList);
+
+extern struct gl_program_parameter_list *
+_mesa_clone_parameter_list(const struct gl_program_parameter_list *list);
+
+extern GLint
+_mesa_add_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4], GLuint size,
+ enum register_file type);
+
+extern GLint
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4]);
+
+extern GLint
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4],
+ GLuint size);
+
+extern GLint
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const GLfloat values[4], GLuint size,
+ GLuint *swizzleOut);
+
+extern GLint
+_mesa_add_uniform(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size);
+
+extern GLint
+_mesa_add_varying(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size);
+
+extern GLint
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const GLint *stateTokens);
+
+extern GLfloat *
+_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name);
+
+extern GLint
+_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name);
+
+extern GLboolean
+_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *paramList,
+ const GLfloat v[], GLsizei vSize,
+ GLint *posOut, GLuint *swizzleOut);
+
+
+#endif /* PROG_PARAMETER_H */
diff --git a/src/mesa/shader/prog_print.c b/src/mesa/shader/prog_print.c
new file mode 100644
index 00000000000..eded71bbae1
--- /dev/null
+++ b/src/mesa/shader/prog_print.c
@@ -0,0 +1,464 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+/**
+ * \file prog_print.c
+ * Print vertex/fragment programs - for debugging.
+ * \author Brian Paul
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "imports.h"
+#include "macros.h"
+#include "program.h"
+#include "prog_instruction.h"
+#include "prog_parameter.h"
+#include "prog_print.h"
+#include "prog_statevars.h"
+
+
+
+/**
+ * Basic info about each instruction
+ */
+struct instruction_info
+{
+ gl_inst_opcode Opcode;
+ const char *Name;
+ GLuint NumSrcRegs;
+};
+
+/**
+ * Instruction info
+ * \note Opcode should equal array index!
+ */
+static const struct instruction_info InstInfo[MAX_OPCODE] = {
+ { OPCODE_NOP, "NOP", 0 },
+ { OPCODE_ABS, "ABS", 1 },
+ { OPCODE_ADD, "ADD", 2 },
+ { OPCODE_ARA, "ARA", 1 },
+ { OPCODE_ARL, "ARL", 1 },
+ { OPCODE_ARL_NV, "ARL", 1 },
+ { OPCODE_ARR, "ARL", 1 },
+ { OPCODE_BRA, "BRA", 0 },
+ { OPCODE_CAL, "CAL", 0 },
+ { OPCODE_CMP, "CMP", 3 },
+ { OPCODE_COS, "COS", 1 },
+ { OPCODE_DDX, "DDX", 1 },
+ { OPCODE_DDY, "DDY", 1 },
+ { OPCODE_DP3, "DP3", 2 },
+ { OPCODE_DP4, "DP4", 2 },
+ { OPCODE_DPH, "DPH", 2 },
+ { OPCODE_DST, "DST", 2 },
+ { OPCODE_END, "END", 0 },
+ { OPCODE_EX2, "EX2", 1 },
+ { OPCODE_EXP, "EXP", 1 },
+ { OPCODE_FLR, "FLR", 1 },
+ { OPCODE_FRC, "FRC", 1 },
+ { OPCODE_KIL, "KIL", 1 },
+ { OPCODE_KIL_NV, "KIL", 0 },
+ { OPCODE_LG2, "LG2", 1 },
+ { OPCODE_LIT, "LIT", 1 },
+ { OPCODE_LOG, "LOG", 1 },
+ { OPCODE_LRP, "LRP", 3 },
+ { OPCODE_MAD, "MAD", 3 },
+ { OPCODE_MAX, "MAX", 2 },
+ { OPCODE_MIN, "MIN", 2 },
+ { OPCODE_MOV, "MOV", 1 },
+ { OPCODE_MUL, "MUL", 2 },
+ { OPCODE_PK2H, "PK2H", 1 },
+ { OPCODE_PK2US, "PK2US", 1 },
+ { OPCODE_PK4B, "PK4B", 1 },
+ { OPCODE_PK4UB, "PK4UB", 1 },
+ { OPCODE_POW, "POW", 2 },
+ { OPCODE_POPA, "POPA", 0 },
+ { OPCODE_PRINT, "PRINT", 1 },
+ { OPCODE_PUSHA, "PUSHA", 0 },
+ { OPCODE_RCC, "RCC", 1 },
+ { OPCODE_RCP, "RCP", 1 },
+ { OPCODE_RET, "RET", 0 },
+ { OPCODE_RFL, "RFL", 1 },
+ { OPCODE_RSQ, "RSQ", 1 },
+ { OPCODE_SCS, "SCS", 1 },
+ { OPCODE_SEQ, "SEQ", 2 },
+ { OPCODE_SFL, "SFL", 0 },
+ { OPCODE_SGE, "SGE", 2 },
+ { OPCODE_SGT, "SGT", 2 },
+ { OPCODE_SIN, "SIN", 1 },
+ { OPCODE_SLE, "SLE", 2 },
+ { OPCODE_SLT, "SLT", 2 },
+ { OPCODE_SNE, "SNE", 2 },
+ { OPCODE_SSG, "SSG", 1 },
+ { OPCODE_STR, "STR", 0 },
+ { OPCODE_SUB, "SUB", 2 },
+ { OPCODE_SWZ, "SWZ", 1 },
+ { OPCODE_TEX, "TEX", 1 },
+ { OPCODE_TXB, "TXB", 1 },
+ { OPCODE_TXD, "TXD", 3 },
+ { OPCODE_TXL, "TXL", 1 },
+ { OPCODE_TXP, "TXP", 1 },
+ { OPCODE_TXP_NV, "TXP", 1 },
+ { OPCODE_UP2H, "UP2H", 1 },
+ { OPCODE_UP2US, "UP2US", 1 },
+ { OPCODE_UP4B, "UP4B", 1 },
+ { OPCODE_UP4UB, "UP4UB", 1 },
+ { OPCODE_X2D, "X2D", 3 },
+ { OPCODE_XPD, "XPD", 2 }
+};
+
+
+/**
+ * Return the number of src registers for the given instruction/opcode.
+ */
+GLuint
+_mesa_num_inst_src_regs(gl_inst_opcode opcode)
+{
+ ASSERT(opcode == InstInfo[opcode].Opcode);
+ ASSERT(OPCODE_XPD == InstInfo[OPCODE_XPD].Opcode);
+ return InstInfo[opcode].NumSrcRegs;
+}
+
+
+/**
+ * Return string name for given program opcode.
+ */
+const char *
+_mesa_opcode_string(gl_inst_opcode opcode)
+{
+ ASSERT(opcode < MAX_OPCODE);
+ return InstInfo[opcode].Name;
+}
+
+/**
+ * Return string name for given program/register file.
+ */
+static const char *
+program_file_string(enum register_file f)
+{
+ switch (f) {
+ case PROGRAM_TEMPORARY:
+ return "TEMP";
+ case PROGRAM_LOCAL_PARAM:
+ return "LOCAL";
+ case PROGRAM_ENV_PARAM:
+ return "ENV";
+ case PROGRAM_STATE_VAR:
+ return "STATE";
+ case PROGRAM_INPUT:
+ return "INPUT";
+ case PROGRAM_OUTPUT:
+ return "OUTPUT";
+ case PROGRAM_NAMED_PARAM:
+ return "NAMED";
+ case PROGRAM_CONSTANT:
+ return "CONST";
+ case PROGRAM_UNIFORM:
+ return "UNIFORM";
+ case PROGRAM_VARYING:
+ return "VARYING";
+ case PROGRAM_WRITE_ONLY:
+ return "WRITE_ONLY";
+ case PROGRAM_ADDRESS:
+ return "ADDR";
+ default:
+ return "Unknown program file!";
+ }
+}
+
+
+/**
+ * Return a string representation of the given swizzle word.
+ * If extended is true, use extended (comma-separated) format.
+ */
+static const char *
+swizzle_string(GLuint swizzle, GLuint negateBase, GLboolean extended)
+{
+ static const char swz[] = "xyzw01";
+ static char s[20];
+ GLuint i = 0;
+
+ if (!extended && swizzle == SWIZZLE_NOOP && negateBase == 0)
+ return ""; /* no swizzle/negation */
+
+ if (!extended)
+ s[i++] = '.';
+
+ if (negateBase & 0x1)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 0)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateBase & 0x2)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 1)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateBase & 0x4)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 2)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateBase & 0x8)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 3)];
+
+ s[i] = 0;
+ return s;
+}
+
+
+static const char *
+writemask_string(GLuint writeMask)
+{
+ static char s[10];
+ GLuint i = 0;
+
+ if (writeMask == WRITEMASK_XYZW)
+ return "";
+
+ s[i++] = '.';
+ if (writeMask & WRITEMASK_X)
+ s[i++] = 'x';
+ if (writeMask & WRITEMASK_Y)
+ s[i++] = 'y';
+ if (writeMask & WRITEMASK_Z)
+ s[i++] = 'z';
+ if (writeMask & WRITEMASK_W)
+ s[i++] = 'w';
+
+ s[i] = 0;
+ return s;
+}
+
+static void
+print_dst_reg(const struct prog_dst_register *dstReg)
+{
+ _mesa_printf(" %s[%d]%s",
+ program_file_string((enum register_file) dstReg->File),
+ dstReg->Index,
+ writemask_string(dstReg->WriteMask));
+}
+
+static void
+print_src_reg(const struct prog_src_register *srcReg)
+{
+ _mesa_printf("%s[%d]%s",
+ program_file_string((enum register_file) srcReg->File),
+ srcReg->Index,
+ swizzle_string(srcReg->Swizzle,
+ srcReg->NegateBase, GL_FALSE));
+}
+
+static void
+print_comment(const struct prog_instruction *inst)
+{
+ if (inst->Comment)
+ _mesa_printf("; # %s\n", inst->Comment);
+ else
+ _mesa_printf(";\n");
+}
+
+
+void
+_mesa_print_alu_instruction(const struct prog_instruction *inst,
+ const char *opcode_string,
+ GLuint numRegs)
+{
+ GLuint j;
+
+ _mesa_printf("%s", opcode_string);
+
+ /* frag prog only */
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ _mesa_printf("_SAT");
+
+ if (inst->DstReg.File != PROGRAM_UNDEFINED) {
+ _mesa_printf(" %s[%d]%s",
+ program_file_string((enum register_file) inst->DstReg.File),
+ inst->DstReg.Index,
+ writemask_string(inst->DstReg.WriteMask));
+ }
+ else {
+ _mesa_printf(" ???");
+ }
+
+ if (numRegs > 0)
+ _mesa_printf(", ");
+
+ for (j = 0; j < numRegs; j++) {
+ print_src_reg(inst->SrcReg + j);
+ if (j + 1 < numRegs)
+ _mesa_printf(", ");
+ }
+
+ if (inst->Comment)
+ _mesa_printf(" # %s", inst->Comment);
+
+ print_comment(inst);
+}
+
+
+/**
+ * Print a single vertex/fragment program instruction.
+ */
+void
+_mesa_print_instruction(const struct prog_instruction *inst)
+{
+ switch (inst->Opcode) {
+ case OPCODE_PRINT:
+ _mesa_printf("PRINT '%s'", inst->Data);
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
+ _mesa_printf(", ");
+ _mesa_printf("%s[%d]%s",
+ program_file_string((enum register_file) inst->SrcReg[0].File),
+ inst->SrcReg[0].Index,
+ swizzle_string(inst->SrcReg[0].Swizzle,
+ inst->SrcReg[0].NegateBase, GL_FALSE));
+ }
+ if (inst->Comment)
+ _mesa_printf(" # %s", inst->Comment);
+ print_comment(inst);
+ break;
+ case OPCODE_SWZ:
+ _mesa_printf("SWZ");
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ _mesa_printf("_SAT");
+ print_dst_reg(&inst->DstReg);
+ _mesa_printf("%s[%d], %s",
+ program_file_string((enum register_file) inst->SrcReg[0].File),
+ inst->SrcReg[0].Index,
+ swizzle_string(inst->SrcReg[0].Swizzle,
+ inst->SrcReg[0].NegateBase, GL_TRUE));
+ print_comment(inst);
+ break;
+ case OPCODE_TEX:
+ case OPCODE_TXP:
+ case OPCODE_TXB:
+ _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ _mesa_printf("_SAT");
+ _mesa_printf(" ");
+ print_dst_reg(&inst->DstReg);
+ _mesa_printf(", ");
+ print_src_reg(&inst->SrcReg[0]);
+ _mesa_printf(", texture[%d], ", inst->TexSrcUnit);
+ switch (inst->TexSrcTarget) {
+ case TEXTURE_1D_INDEX: _mesa_printf("1D"); break;
+ case TEXTURE_2D_INDEX: _mesa_printf("2D"); break;
+ case TEXTURE_3D_INDEX: _mesa_printf("3D"); break;
+ case TEXTURE_CUBE_INDEX: _mesa_printf("CUBE"); break;
+ case TEXTURE_RECT_INDEX: _mesa_printf("RECT"); break;
+ default:
+ ;
+ }
+ print_comment(inst);
+ break;
+ case OPCODE_ARL:
+ _mesa_printf("ARL addr.x, ");
+ print_src_reg(&inst->SrcReg[0]);
+ print_comment(inst);
+ break;
+ case OPCODE_BRA:
+ _mesa_printf("BRA %u", inst->BranchTarget);
+ print_comment(inst);
+ break;
+ case OPCODE_CAL:
+ _mesa_printf("CAL %u", inst->BranchTarget);
+ print_comment(inst);
+ break;
+ case OPCODE_END:
+ _mesa_printf("END");
+ print_comment(inst);
+ break;
+ /* XXX may need other special-case instructions */
+ default:
+ /* typical alu instruction */
+ _mesa_print_alu_instruction(inst,
+ _mesa_opcode_string(inst->Opcode),
+ _mesa_num_inst_src_regs(inst->Opcode));
+ break;
+ }
+}
+
+
+/**
+ * Print a vertx/fragment program to stdout.
+ * XXX this function could be greatly improved.
+ */
+void
+_mesa_print_program(const struct gl_program *prog)
+{
+ GLuint i;
+ for (i = 0; i < prog->NumInstructions; i++) {
+ _mesa_printf("%3d: ", i);
+ _mesa_print_instruction(prog->Instructions + i);
+ }
+}
+
+
+/**
+ * Print all of a program's parameters.
+ */
+void
+_mesa_print_program_parameters(GLcontext *ctx, const struct gl_program *prog)
+{
+ GLint i;
+
+ _mesa_printf("InputsRead: 0x%x\n", prog->InputsRead);
+ _mesa_printf("OutputsWritten: 0x%x\n", prog->OutputsWritten);
+ _mesa_printf("NumInstructions=%d\n", prog->NumInstructions);
+ _mesa_printf("NumTemporaries=%d\n", prog->NumTemporaries);
+ _mesa_printf("NumParameters=%d\n", prog->NumParameters);
+ _mesa_printf("NumAttributes=%d\n", prog->NumAttributes);
+ _mesa_printf("NumAddressRegs=%d\n", prog->NumAddressRegs);
+
+ _mesa_load_state_parameters(ctx, prog->Parameters);
+
+#if 0
+ _mesa_printf("Local Params:\n");
+ for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
+ const GLfloat *p = prog->LocalParams[i];
+ _mesa_printf("%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
+ }
+#endif
+
+ for (i = 0; i < prog->Parameters->NumParameters; i++){
+ struct gl_program_parameter *param = prog->Parameters->Parameters + i;
+ const GLfloat *v = prog->Parameters->ParameterValues[i];
+ _mesa_printf("param[%d] %s %s = {%.3f, %.3f, %.3f, %.3f};\n",
+ i,
+ program_file_string(prog->Parameters->Parameters[i].Type),
+ param->Name, v[0], v[1], v[2], v[3]);
+ }
+}
diff --git a/src/mesa/shader/prog_print.h b/src/mesa/shader/prog_print.h
new file mode 100644
index 00000000000..595a0dcf372
--- /dev/null
+++ b/src/mesa/shader/prog_print.h
@@ -0,0 +1,45 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+
+#ifndef PROG_PRINT_H
+#define PROG_PRINT_H
+
+
+extern void
+_mesa_print_instruction(const struct prog_instruction *inst);
+
+extern void
+_mesa_print_alu_instruction(const struct prog_instruction *inst,
+ const char *opcode_string,
+ GLuint numRegs);
+
+extern void
+_mesa_print_program(const struct gl_program *prog);
+
+extern void
+_mesa_print_program_parameters(GLcontext *ctx, const struct gl_program *prog);
+
+
+#endif /* PROG_PRINT_H */
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
new file mode 100644
index 00000000000..7377c7d8210
--- /dev/null
+++ b/src/mesa/shader/prog_statevars.c
@@ -0,0 +1,783 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+/**
+ * \file prog_statevars.c
+ * Program state variable management.
+ * \author Brian Paul
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "hash.h"
+#include "imports.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "prog_statevars.h"
+#include "prog_parameter.h"
+#include "nvvertparse.h"
+
+
+/**
+ * Use the list of tokens in the state[] array to find global GL state
+ * and return it in <value>. Usually, four values are returned in <value>
+ * but matrix queries may return as many as 16 values.
+ * This function is used for ARB vertex/fragment programs.
+ * The program parser will produce the state[] values.
+ */
+static void
+_mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
+ GLfloat *value)
+{
+ switch (state[0]) {
+ case STATE_MATERIAL:
+ {
+ /* state[1] is either 0=front or 1=back side */
+ const GLuint face = (GLuint) state[1];
+ const struct gl_material *mat = &ctx->Light.Material;
+ ASSERT(face == 0 || face == 1);
+ /* we rely on tokens numbered so that _BACK_ == _FRONT_+ 1 */
+ ASSERT(MAT_ATTRIB_FRONT_AMBIENT + 1 == MAT_ATTRIB_BACK_AMBIENT);
+ /* XXX we could get rid of this switch entirely with a little
+ * work in arbprogparse.c's parse_state_single_item().
+ */
+ /* state[2] is the material attribute */
+ switch (state[2]) {
+ case STATE_AMBIENT:
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_AMBIENT + face]);
+ return;
+ case STATE_DIFFUSE:
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_DIFFUSE + face]);
+ return;
+ case STATE_SPECULAR:
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_SPECULAR + face]);
+ return;
+ case STATE_EMISSION:
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_EMISSION + face]);
+ return;
+ case STATE_SHININESS:
+ value[0] = mat->Attrib[MAT_ATTRIB_FRONT_SHININESS + face][0];
+ value[1] = 0.0F;
+ value[2] = 0.0F;
+ value[3] = 1.0F;
+ return;
+ default:
+ _mesa_problem(ctx, "Invalid material state in fetch_state");
+ return;
+ }
+ }
+ case STATE_LIGHT:
+ {
+ /* state[1] is the light number */
+ const GLuint ln = (GLuint) state[1];
+ /* state[2] is the light attribute */
+ switch (state[2]) {
+ case STATE_AMBIENT:
+ COPY_4V(value, ctx->Light.Light[ln].Ambient);
+ return;
+ case STATE_DIFFUSE:
+ COPY_4V(value, ctx->Light.Light[ln].Diffuse);
+ return;
+ case STATE_SPECULAR:
+ COPY_4V(value, ctx->Light.Light[ln].Specular);
+ return;
+ case STATE_POSITION:
+ COPY_4V(value, ctx->Light.Light[ln].EyePosition);
+ return;
+ case STATE_ATTENUATION:
+ value[0] = ctx->Light.Light[ln].ConstantAttenuation;
+ value[1] = ctx->Light.Light[ln].LinearAttenuation;
+ value[2] = ctx->Light.Light[ln].QuadraticAttenuation;
+ value[3] = ctx->Light.Light[ln].SpotExponent;
+ return;
+ case STATE_SPOT_DIRECTION:
+ COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
+ value[3] = ctx->Light.Light[ln]._CosCutoff;
+ return;
+ case STATE_HALF:
+ {
+ GLfloat eye_z[] = {0, 0, 1};
+
+ /* Compute infinite half angle vector:
+ * half-vector = light_position + (0, 0, 1)
+ * and then normalize. w = 0
+ *
+ * light.EyePosition.w should be 0 for infinite lights.
+ */
+ ADD_3V(value, eye_z, ctx->Light.Light[ln].EyePosition);
+ NORMALIZE_3FV(value);
+ value[3] = 0;
+ }
+ return;
+ case STATE_POSITION_NORMALIZED:
+ COPY_4V(value, ctx->Light.Light[ln].EyePosition);
+ NORMALIZE_3FV( value );
+ return;
+ default:
+ _mesa_problem(ctx, "Invalid light state in fetch_state");
+ return;
+ }
+ }
+ case STATE_LIGHTMODEL_AMBIENT:
+ COPY_4V(value, ctx->Light.Model.Ambient);
+ return;
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ if (state[1] == 0) {
+ /* front */
+ GLint i;
+ for (i = 0; i < 3; i++) {
+ value[i] = ctx->Light.Model.Ambient[i]
+ * ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT][i]
+ + ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_EMISSION][i];
+ }
+ value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
+ }
+ else {
+ /* back */
+ GLint i;
+ for (i = 0; i < 3; i++) {
+ value[i] = ctx->Light.Model.Ambient[i]
+ * ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_AMBIENT][i]
+ + ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_EMISSION][i];
+ }
+ value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
+ }
+ return;
+ case STATE_LIGHTPROD:
+ {
+ const GLuint ln = (GLuint) state[1];
+ const GLuint face = (GLuint) state[2];
+ GLint i;
+ ASSERT(face == 0 || face == 1);
+ switch (state[3]) {
+ case STATE_AMBIENT:
+ for (i = 0; i < 3; i++) {
+ value[i] = ctx->Light.Light[ln].Ambient[i] *
+ ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT+face][i];
+ }
+ /* [3] = material alpha */
+ value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
+ return;
+ case STATE_DIFFUSE:
+ for (i = 0; i < 3; i++) {
+ value[i] = ctx->Light.Light[ln].Diffuse[i] *
+ ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][i];
+ }
+ /* [3] = material alpha */
+ value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
+ return;
+ case STATE_SPECULAR:
+ for (i = 0; i < 3; i++) {
+ value[i] = ctx->Light.Light[ln].Specular[i] *
+ ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SPECULAR+face][i];
+ }
+ /* [3] = material alpha */
+ value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
+ return;
+ default:
+ _mesa_problem(ctx, "Invalid lightprod state in fetch_state");
+ return;
+ }
+ }
+ case STATE_TEXGEN:
+ {
+ /* state[1] is the texture unit */
+ const GLuint unit = (GLuint) state[1];
+ /* state[2] is the texgen attribute */
+ switch (state[2]) {
+ case STATE_TEXGEN_EYE_S:
+ COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneS);
+ return;
+ case STATE_TEXGEN_EYE_T:
+ COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneT);
+ return;
+ case STATE_TEXGEN_EYE_R:
+ COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneR);
+ return;
+ case STATE_TEXGEN_EYE_Q:
+ COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneQ);
+ return;
+ case STATE_TEXGEN_OBJECT_S:
+ COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneS);
+ return;
+ case STATE_TEXGEN_OBJECT_T:
+ COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneT);
+ return;
+ case STATE_TEXGEN_OBJECT_R:
+ COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneR);
+ return;
+ case STATE_TEXGEN_OBJECT_Q:
+ COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneQ);
+ return;
+ default:
+ _mesa_problem(ctx, "Invalid texgen state in fetch_state");
+ return;
+ }
+ }
+ case STATE_TEXENV_COLOR:
+ {
+ /* state[1] is the texture unit */
+ const GLuint unit = (GLuint) state[1];
+ COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
+ }
+ return;
+ case STATE_FOG_COLOR:
+ COPY_4V(value, ctx->Fog.Color);
+ return;
+ case STATE_FOG_PARAMS:
+ value[0] = ctx->Fog.Density;
+ value[1] = ctx->Fog.Start;
+ value[2] = ctx->Fog.End;
+ value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+ return;
+ case STATE_CLIPPLANE:
+ {
+ const GLuint plane = (GLuint) state[1];
+ COPY_4V(value, ctx->Transform.EyeUserPlane[plane]);
+ }
+ return;
+ case STATE_POINT_SIZE:
+ value[0] = ctx->Point.Size;
+ value[1] = ctx->Point.MinSize;
+ value[2] = ctx->Point.MaxSize;
+ value[3] = ctx->Point.Threshold;
+ return;
+ case STATE_POINT_ATTENUATION:
+ value[0] = ctx->Point.Params[0];
+ value[1] = ctx->Point.Params[1];
+ value[2] = ctx->Point.Params[2];
+ value[3] = 1.0F;
+ return;
+ case STATE_MATRIX:
+ {
+ /* state[1] = modelview, projection, texture, etc. */
+ /* state[2] = which texture matrix or program matrix */
+ /* state[3] = first row to fetch */
+ /* state[4] = last row to fetch */
+ /* state[5] = transpose, inverse or invtrans */
+
+ const GLmatrix *matrix;
+ const gl_state_index mat = state[1];
+ const GLuint index = (GLuint) state[2];
+ const GLuint firstRow = (GLuint) state[3];
+ const GLuint lastRow = (GLuint) state[4];
+ const gl_state_index modifier = state[5];
+ const GLfloat *m;
+ GLuint row, i;
+ if (mat == STATE_MODELVIEW) {
+ matrix = ctx->ModelviewMatrixStack.Top;
+ }
+ else if (mat == STATE_PROJECTION) {
+ matrix = ctx->ProjectionMatrixStack.Top;
+ }
+ else if (mat == STATE_MVP) {
+ matrix = &ctx->_ModelProjectMatrix;
+ }
+ else if (mat == STATE_TEXTURE) {
+ matrix = ctx->TextureMatrixStack[index].Top;
+ }
+ else if (mat == STATE_PROGRAM) {
+ matrix = ctx->ProgramMatrixStack[index].Top;
+ }
+ else {
+ _mesa_problem(ctx, "Bad matrix name in _mesa_fetch_state()");
+ return;
+ }
+ if (modifier == STATE_MATRIX_INVERSE ||
+ modifier == STATE_MATRIX_INVTRANS) {
+ /* Be sure inverse is up to date:
+ */
+ _math_matrix_alloc_inv( (GLmatrix *) matrix );
+ _math_matrix_analyse( (GLmatrix*) matrix );
+ m = matrix->inv;
+ }
+ else {
+ m = matrix->m;
+ }
+ if (modifier == STATE_MATRIX_TRANSPOSE ||
+ modifier == STATE_MATRIX_INVTRANS) {
+ for (i = 0, row = firstRow; row <= lastRow; row++) {
+ value[i++] = m[row * 4 + 0];
+ value[i++] = m[row * 4 + 1];
+ value[i++] = m[row * 4 + 2];
+ value[i++] = m[row * 4 + 3];
+ }
+ }
+ else {
+ for (i = 0, row = firstRow; row <= lastRow; row++) {
+ value[i++] = m[row + 0];
+ value[i++] = m[row + 4];
+ value[i++] = m[row + 8];
+ value[i++] = m[row + 12];
+ }
+ }
+ }
+ return;
+ case STATE_DEPTH_RANGE:
+ value[0] = ctx->Viewport.Near; /* near */
+ value[1] = ctx->Viewport.Far; /* far */
+ value[2] = ctx->Viewport.Far - ctx->Viewport.Near; /* far - near */
+ value[3] = 0;
+ return;
+ case STATE_FRAGMENT_PROGRAM:
+ {
+ /* state[1] = {STATE_ENV, STATE_LOCAL} */
+ /* state[2] = parameter index */
+ const int idx = (int) state[2];
+ switch (state[1]) {
+ case STATE_ENV:
+ COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
+ break;
+ case STATE_LOCAL:
+ COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
+ break;
+ default:
+ _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
+ return;
+ }
+ }
+ return;
+
+ case STATE_VERTEX_PROGRAM:
+ {
+ /* state[1] = {STATE_ENV, STATE_LOCAL} */
+ /* state[2] = parameter index */
+ const int idx = (int) state[2];
+ switch (state[1]) {
+ case STATE_ENV:
+ COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
+ break;
+ case STATE_LOCAL:
+ COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
+ break;
+ default:
+ _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
+ return;
+ }
+ }
+ return;
+
+ case STATE_INTERNAL:
+ {
+ switch (state[1]) {
+ case STATE_NORMAL_SCALE:
+ ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
+ break;
+ case STATE_TEXRECT_SCALE: {
+ const int unit = (int) state[2];
+ const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
+ if (texObj) {
+ struct gl_texture_image *texImage = texObj->Image[0][0];
+ ASSIGN_4V(value, 1.0 / texImage->Width, 1.0 / texImage->Height, 0, 1);
+ }
+ break;
+ }
+ default:
+ /* unknown state indexes are silently ignored
+ * should be handled by the driver.
+ */
+ return;
+ }
+ }
+ return;
+
+ default:
+ _mesa_problem(ctx, "Invalid state in _mesa_fetch_state");
+ return;
+ }
+}
+
+
+/**
+ * Return a bitmask of the Mesa state flags (_NEW_* values) which would
+ * indicate that the given context state may have changed.
+ * The bitmask is used during validation to determine if we need to update
+ * vertex/fragment program parameters (like "state.material.color") when
+ * some GL state has changed.
+ */
+GLbitfield
+_mesa_program_state_flags(const GLint state[])
+{
+ switch (state[0]) {
+ case STATE_MATERIAL:
+ case STATE_LIGHT:
+ case STATE_LIGHTMODEL_AMBIENT:
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ case STATE_LIGHTPROD:
+ return _NEW_LIGHT;
+
+ case STATE_TEXGEN:
+ case STATE_TEXENV_COLOR:
+ return _NEW_TEXTURE;
+
+ case STATE_FOG_COLOR:
+ case STATE_FOG_PARAMS:
+ return _NEW_FOG;
+
+ case STATE_CLIPPLANE:
+ return _NEW_TRANSFORM;
+
+ case STATE_POINT_SIZE:
+ case STATE_POINT_ATTENUATION:
+ return _NEW_POINT;
+
+ case STATE_MATRIX:
+ switch (state[1]) {
+ case STATE_MODELVIEW:
+ return _NEW_MODELVIEW;
+ case STATE_PROJECTION:
+ return _NEW_PROJECTION;
+ case STATE_MVP:
+ return _NEW_MODELVIEW | _NEW_PROJECTION;
+ case STATE_TEXTURE:
+ return _NEW_TEXTURE_MATRIX;
+ case STATE_PROGRAM:
+ return _NEW_TRACK_MATRIX;
+ default:
+ _mesa_problem(NULL,
+ "unexpected matrix in _mesa_program_state_flags()");
+ return 0;
+ }
+
+ case STATE_DEPTH_RANGE:
+ return _NEW_VIEWPORT;
+
+ case STATE_FRAGMENT_PROGRAM:
+ case STATE_VERTEX_PROGRAM:
+ return _NEW_PROGRAM;
+
+ case STATE_INTERNAL:
+ switch (state[1]) {
+ case STATE_NORMAL_SCALE:
+ return _NEW_MODELVIEW;
+ case STATE_TEXRECT_SCALE:
+ return _NEW_TEXTURE;
+ default:
+ /* unknown state indexes are silently ignored and
+ * no flag set, since it is handled by the driver.
+ */
+ return 0;
+ }
+
+ default:
+ _mesa_problem(NULL, "unexpected state[0] in make_state_flags()");
+ return 0;
+ }
+}
+
+
+static void
+append(char *dst, const char *src)
+{
+ while (*dst)
+ dst++;
+ while (*src)
+ *dst++ = *src++;
+ *dst = 0;
+}
+
+
+static void
+append_token(char *dst, gl_state_index k)
+{
+ switch (k) {
+ case STATE_MATERIAL:
+ append(dst, "material.");
+ break;
+ case STATE_LIGHT:
+ append(dst, "light");
+ break;
+ case STATE_LIGHTMODEL_AMBIENT:
+ append(dst, "lightmodel.ambient");
+ break;
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ break;
+ case STATE_LIGHTPROD:
+ append(dst, "lightprod");
+ break;
+ case STATE_TEXGEN:
+ append(dst, "texgen");
+ break;
+ case STATE_FOG_COLOR:
+ append(dst, "fog.color");
+ break;
+ case STATE_FOG_PARAMS:
+ append(dst, "fog.params");
+ break;
+ case STATE_CLIPPLANE:
+ append(dst, "clip");
+ break;
+ case STATE_POINT_SIZE:
+ append(dst, "point.size");
+ break;
+ case STATE_POINT_ATTENUATION:
+ append(dst, "point.attenuation");
+ break;
+ case STATE_MATRIX:
+ append(dst, "matrix.");
+ break;
+ case STATE_MODELVIEW:
+ append(dst, "modelview");
+ break;
+ case STATE_PROJECTION:
+ append(dst, "projection");
+ break;
+ case STATE_MVP:
+ append(dst, "mvp");
+ break;
+ case STATE_TEXTURE:
+ append(dst, "texture");
+ break;
+ case STATE_PROGRAM:
+ append(dst, "program");
+ break;
+ case STATE_MATRIX_INVERSE:
+ append(dst, ".inverse");
+ break;
+ case STATE_MATRIX_TRANSPOSE:
+ append(dst, ".transpose");
+ break;
+ case STATE_MATRIX_INVTRANS:
+ append(dst, ".invtrans");
+ break;
+ case STATE_AMBIENT:
+ append(dst, "ambient");
+ break;
+ case STATE_DIFFUSE:
+ append(dst, "diffuse");
+ break;
+ case STATE_SPECULAR:
+ append(dst, "specular");
+ break;
+ case STATE_EMISSION:
+ append(dst, "emission");
+ break;
+ case STATE_SHININESS:
+ append(dst, "shininess");
+ break;
+ case STATE_HALF:
+ append(dst, "half");
+ break;
+ case STATE_POSITION:
+ append(dst, ".position");
+ break;
+ case STATE_ATTENUATION:
+ append(dst, ".attenuation");
+ break;
+ case STATE_SPOT_DIRECTION:
+ append(dst, ".spot.direction");
+ break;
+ case STATE_TEXGEN_EYE_S:
+ append(dst, "eye.s");
+ break;
+ case STATE_TEXGEN_EYE_T:
+ append(dst, "eye.t");
+ break;
+ case STATE_TEXGEN_EYE_R:
+ append(dst, "eye.r");
+ break;
+ case STATE_TEXGEN_EYE_Q:
+ append(dst, "eye.q");
+ break;
+ case STATE_TEXGEN_OBJECT_S:
+ append(dst, "object.s");
+ break;
+ case STATE_TEXGEN_OBJECT_T:
+ append(dst, "object.t");
+ break;
+ case STATE_TEXGEN_OBJECT_R:
+ append(dst, "object.r");
+ break;
+ case STATE_TEXGEN_OBJECT_Q:
+ append(dst, "object.q");
+ break;
+ case STATE_TEXENV_COLOR:
+ append(dst, "texenv");
+ break;
+ case STATE_DEPTH_RANGE:
+ append(dst, "depth.range");
+ break;
+ case STATE_VERTEX_PROGRAM:
+ case STATE_FRAGMENT_PROGRAM:
+ break;
+ case STATE_ENV:
+ append(dst, "env");
+ break;
+ case STATE_LOCAL:
+ append(dst, "local");
+ break;
+ case STATE_INTERNAL:
+ case STATE_NORMAL_SCALE:
+ case STATE_POSITION_NORMALIZED:
+ append(dst, "(internal)");
+ break;
+ default:
+ ;
+ }
+}
+
+static void
+append_face(char *dst, GLint face)
+{
+ if (face == 0)
+ append(dst, "front.");
+ else
+ append(dst, "back.");
+}
+
+static void
+append_index(char *dst, GLint index)
+{
+ char s[20];
+ _mesa_sprintf(s, "[%d].", index);
+ append(dst, s);
+}
+
+/**
+ * Make a string from the given state vector.
+ * For example, return "state.matrix.texture[2].inverse".
+ * Use _mesa_free() to deallocate the string.
+ */
+const char *
+_mesa_program_state_string(const GLint state[6])
+{
+ char str[1000] = "";
+ char tmp[30];
+
+ append(str, "state.");
+ append_token(str, (gl_state_index) state[0]);
+
+ switch (state[0]) {
+ case STATE_MATERIAL:
+ append_face(str, state[1]);
+ append_token(str, (gl_state_index) state[2]);
+ break;
+ case STATE_LIGHT:
+ append(str, "light");
+ append_index(str, state[1]); /* light number [i]. */
+ append_token(str, (gl_state_index) state[2]); /* coefficients */
+ break;
+ case STATE_LIGHTMODEL_AMBIENT:
+ append(str, "lightmodel.ambient");
+ break;
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ if (state[1] == 0) {
+ append(str, "lightmodel.front.scenecolor");
+ }
+ else {
+ append(str, "lightmodel.back.scenecolor");
+ }
+ break;
+ case STATE_LIGHTPROD:
+ append_index(str, state[1]); /* light number [i]. */
+ append_face(str, state[2]);
+ append_token(str, (gl_state_index) state[3]);
+ break;
+ case STATE_TEXGEN:
+ append_index(str, state[1]); /* tex unit [i] */
+ append_token(str, (gl_state_index) state[2]); /* plane coef */
+ break;
+ case STATE_TEXENV_COLOR:
+ append_index(str, state[1]); /* tex unit [i] */
+ append(str, "color");
+ break;
+ case STATE_FOG_COLOR:
+ case STATE_FOG_PARAMS:
+ break;
+ case STATE_CLIPPLANE:
+ append_index(str, state[1]); /* plane [i] */
+ append(str, "plane");
+ break;
+ case STATE_POINT_SIZE:
+ case STATE_POINT_ATTENUATION:
+ break;
+ case STATE_MATRIX:
+ {
+ /* state[1] = modelview, projection, texture, etc. */
+ /* state[2] = which texture matrix or program matrix */
+ /* state[3] = first row to fetch */
+ /* state[4] = last row to fetch */
+ /* state[5] = transpose, inverse or invtrans */
+ const gl_state_index mat = (gl_state_index) state[1];
+ const GLuint index = (GLuint) state[2];
+ const GLuint firstRow = (GLuint) state[3];
+ const GLuint lastRow = (GLuint) state[4];
+ const gl_state_index modifier = (gl_state_index) state[5];
+ append_token(str, mat);
+ if (index)
+ append_index(str, index);
+ if (modifier)
+ append_token(str, modifier);
+ if (firstRow == lastRow)
+ _mesa_sprintf(tmp, ".row[%d]", firstRow);
+ else
+ _mesa_sprintf(tmp, ".row[%d..%d]", firstRow, lastRow);
+ append(str, tmp);
+ }
+ break;
+ case STATE_DEPTH_RANGE:
+ break;
+ case STATE_FRAGMENT_PROGRAM:
+ case STATE_VERTEX_PROGRAM:
+ /* state[1] = {STATE_ENV, STATE_LOCAL} */
+ /* state[2] = parameter index */
+ append_token(str, (gl_state_index) state[1]);
+ append_index(str, state[2]);
+ break;
+ case STATE_INTERNAL:
+ break;
+ default:
+ _mesa_problem(NULL, "Invalid state in _mesa_program_state_string");
+ break;
+ }
+
+ return _mesa_strdup(str);
+}
+
+
+/**
+ * Loop over all the parameters in a parameter list. If the parameter
+ * is a GL state reference, look up the current value of that state
+ * variable and put it into the parameter's Value[4] array.
+ * This would be called at glBegin time when using a fragment program.
+ */
+void
+_mesa_load_state_parameters(GLcontext *ctx,
+ struct gl_program_parameter_list *paramList)
+{
+ GLuint i;
+
+ if (!paramList)
+ return;
+
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
+ _mesa_fetch_state(ctx,
+ paramList->Parameters[i].StateIndexes,
+ paramList->ParameterValues[i]);
+ }
+ }
+}
+
diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
new file mode 100644
index 00000000000..17e38054bb3
--- /dev/null
+++ b/src/mesa/shader/prog_statevars.h
@@ -0,0 +1,117 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 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.
+ */
+
+#ifndef PROG_STATEVARS_H
+#define PROG_STATEVARS_H
+
+#include "mtypes.h"
+
+
+/**
+ * Used for describing GL state referenced from inside ARB vertex and
+ * fragment programs.
+ * A string such as "state.light[0].ambient" gets translated into a
+ * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
+ */
+typedef enum gl_state_index_ {
+ STATE_MATERIAL = 100, /* start at 100 so small ints are seen as ints */
+
+ STATE_LIGHT,
+ STATE_LIGHTMODEL_AMBIENT,
+ STATE_LIGHTMODEL_SCENECOLOR,
+ STATE_LIGHTPROD,
+
+ STATE_TEXGEN,
+
+ STATE_FOG_COLOR,
+ STATE_FOG_PARAMS,
+
+ STATE_CLIPPLANE,
+
+ STATE_POINT_SIZE,
+ STATE_POINT_ATTENUATION,
+
+ STATE_MATRIX,
+ STATE_MODELVIEW,
+ STATE_PROJECTION,
+ STATE_MVP,
+ STATE_TEXTURE,
+ STATE_PROGRAM,
+ STATE_MATRIX_INVERSE,
+ STATE_MATRIX_TRANSPOSE,
+ STATE_MATRIX_INVTRANS,
+
+ STATE_AMBIENT,
+ STATE_DIFFUSE,
+ STATE_SPECULAR,
+ STATE_EMISSION,
+ STATE_SHININESS,
+ STATE_HALF,
+
+ STATE_POSITION,
+ STATE_ATTENUATION,
+ STATE_SPOT_DIRECTION,
+
+ STATE_TEXGEN_EYE_S,
+ STATE_TEXGEN_EYE_T,
+ STATE_TEXGEN_EYE_R,
+ STATE_TEXGEN_EYE_Q,
+ STATE_TEXGEN_OBJECT_S,
+ STATE_TEXGEN_OBJECT_T,
+ STATE_TEXGEN_OBJECT_R,
+ STATE_TEXGEN_OBJECT_Q,
+
+ STATE_TEXENV_COLOR,
+
+ STATE_DEPTH_RANGE,
+
+ STATE_VERTEX_PROGRAM,
+ STATE_FRAGMENT_PROGRAM,
+
+ STATE_ENV,
+ STATE_LOCAL,
+
+ STATE_INTERNAL, /* Mesa additions */
+ STATE_NORMAL_SCALE,
+ STATE_TEXRECT_SCALE,
+ STATE_POSITION_NORMALIZED, /* normalized light position */
+ STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */
+} gl_state_index;
+
+
+
+extern void
+_mesa_load_state_parameters(GLcontext *ctx,
+ struct gl_program_parameter_list *paramList);
+
+
+extern GLbitfield
+_mesa_program_state_flags(const GLint state[]);
+
+
+extern const char *
+_mesa_program_state_string(const GLint state[6]);
+
+
+#endif /* PROG_STATEVARS_H */
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