Split the program.[ch] files into several new files.
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
new file mode 100644
index 0000000..f634e38
--- /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(¶mList->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;
+}