#include "prog_statevars.h"
+/**
+ * Look for a float vector in the given parameter list. The float vector
+ * may be of length 1, 2, 3 or 4. If swizzleOut is non-null, we'll try
+ * swizzling to find a match.
+ * \param list the parameter list to search
+ * \param v the float vector to search for
+ * \param vSize 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
+ */
+static GLboolean
+lookup_parameter_constant(const struct gl_program_parameter_list *list,
+ const gl_constant_value v[], GLuint vSize,
+ GLint *posOut, GLuint *swizzleOut)
+{
+ GLuint i;
+
+ assert(vSize >= 1);
+ assert(vSize <= 4);
+
+ if (!list) {
+ *posOut = -1;
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < list->NumParameters; i++) {
+ if (list->Parameters[i].Type == PROGRAM_CONSTANT) {
+ if (!swizzleOut) {
+ /* swizzle not allowed */
+ GLuint j, match = 0;
+ for (j = 0; j < vSize; j++) {
+ if (v[j].u == list->ParameterValues[i][j].u)
+ match++;
+ }
+ if (match == vSize) {
+ *posOut = i;
+ return GL_TRUE;
+ }
+ }
+ else {
+ /* try matching w/ swizzle */
+ if (vSize == 1) {
+ /* look for v[0] anywhere within float[4] value */
+ GLuint j;
+ for (j = 0; j < list->Parameters[i].Size; j++) {
+ if (list->ParameterValues[i][j].u == v[0].u) {
+ /* found it */
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
+ return GL_TRUE;
+ }
+ }
+ }
+ else if (vSize <= list->Parameters[i].Size) {
+ /* see if we can match this constant (with a swizzle) */
+ GLuint swz[4];
+ GLuint match = 0, j, k;
+ for (j = 0; j < vSize; j++) {
+ if (v[j].u == list->ParameterValues[i][j].u) {
+ swz[j] = j;
+ match++;
+ }
+ else {
+ for (k = 0; k < list->Parameters[i].Size; k++) {
+ if (v[j].u == list->ParameterValues[i][k].u) {
+ swz[j] = k;
+ match++;
+ break;
+ }
+ }
+ }
+ }
+ /* smear last value to remaining positions */
+ for (; j < 4; j++)
+ swz[j] = swz[j-1];
+
+ if (match == vSize) {
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
+ return GL_TRUE;
+ }
+ }
+ }
+ }
+ }
+
+ *posOut = -1;
+ return GL_FALSE;
+}
+
+
struct gl_program_parameter_list *
_mesa_new_parameter_list(void)
{
/* alloc arrays */
p->Parameters = (struct gl_program_parameter *)
- calloc(size, sizeof(struct gl_program_parameter));
+ calloc(size, sizeof(struct gl_program_parameter));
p->ParameterValues = (gl_constant_value (*)[4])
_mesa_align_malloc(size * 4 *sizeof(gl_constant_value), 16);
if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
- free(p->Parameters);
- _mesa_align_free(p->ParameterValues);
- free(p);
- p = NULL;
+ free(p->Parameters);
+ _mesa_align_free(p->ParameterValues);
+ free(p);
+ p = NULL;
}
}
}
+/**
+ * Make sure there are enough unused parameter slots. Reallocate the list
+ * if needed.
+ *
+ * \param paramList where to reserve parameter slots
+ * \param reserve_slots number of slots to reserve
+ */
+void
+_mesa_reserve_parameter_storage(struct gl_program_parameter_list *paramList,
+ unsigned reserve_slots)
+{
+ const GLuint oldNum = paramList->NumParameters;
+
+ if (oldNum + reserve_slots > paramList->Size) {
+ /* Need to grow the parameter list array (alloc some extra) */
+ paramList->Size = paramList->Size + 4 * reserve_slots;
+
+ /* realloc arrays */
+ paramList->Parameters =
+ realloc(paramList->Parameters,
+ paramList->Size * sizeof(struct gl_program_parameter));
+
+ paramList->ParameterValues = (gl_constant_value (*)[4])
+ _mesa_align_realloc(paramList->ParameterValues, /* old buf */
+ oldNum * 4 * sizeof(gl_constant_value),/* old sz */
+ paramList->Size*4*sizeof(gl_constant_value),/*new*/
+ 16);
+ }
+}
+
+
/**
* Add a new parameter to a parameter list.
* Note that parameter values are usually 4-element GLfloat vectors.
assert(size > 0);
- if (oldNum + sz4 > paramList->Size) {
- /* Need to grow the parameter list array (alloc some extra) */
- paramList->Size = paramList->Size + 4 * sz4;
-
- /* realloc arrays */
- paramList->Parameters =
- realloc(paramList->Parameters,
- paramList->Size * sizeof(struct gl_program_parameter));
-
- paramList->ParameterValues = (gl_constant_value (*)[4])
- _mesa_align_realloc(paramList->ParameterValues, /* old buf */
- oldNum * 4 * sizeof(gl_constant_value),/* old sz */
- paramList->Size*4*sizeof(gl_constant_value),/*new*/
- 16);
- }
+ _mesa_reserve_parameter_storage(paramList, sz4);
if (!paramList->Parameters ||
!paramList->ParameterValues) {
paramList->Size = 0;
return -1;
}
- else {
- GLuint i, j;
-
- paramList->NumParameters = oldNum + sz4;
-
- memset(¶mList->Parameters[oldNum], 0,
- sz4 * sizeof(struct gl_program_parameter));
-
- for (i = 0; i < sz4; i++) {
- struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
- p->Name = name ? strdup(name) : NULL;
- p->Type = type;
- p->Size = size;
- p->DataType = datatype;
- if (values) {
- if (size >= 4) {
- COPY_4V(paramList->ParameterValues[oldNum + i], values);
+
+ GLuint i, j;
+
+ paramList->NumParameters = oldNum + sz4;
+
+ memset(¶mList->Parameters[oldNum], 0,
+ sz4 * sizeof(struct gl_program_parameter));
+
+ for (i = 0; i < sz4; i++) {
+ struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
+ p->Name = name ? strdup(name) : NULL;
+ p->Type = type;
+ p->Size = size;
+ p->DataType = datatype;
+ if (values) {
+ if (size >= 4) {
+ COPY_4V(paramList->ParameterValues[oldNum + i], values);
+ } else {
+ /* copy 1, 2 or 3 values */
+ GLuint remaining = size % 4;
+ assert(remaining < 4);
+ for (j = 0; j < remaining; j++) {
+ paramList->ParameterValues[oldNum + i][j].f = values[j].f;
}
- else {
- /* copy 1, 2 or 3 values */
- GLuint remaining = size % 4;
- assert(remaining < 4);
- for (j = 0; j < remaining; j++) {
- paramList->ParameterValues[oldNum + i][j].f = values[j].f;
- }
- /* fill in remaining positions with zeros */
- for (; j < 4; j++) {
- paramList->ParameterValues[oldNum + i][j].f = 0.0f;
- }
+ /* fill in remaining positions with zeros */
+ for (; j < 4; j++) {
+ paramList->ParameterValues[oldNum + i][j].f = 0.0f;
}
- values += 4;
- p->Initialized = GL_TRUE;
}
- else {
- /* silence valgrind */
- for (j = 0; j < 4; j++)
- paramList->ParameterValues[oldNum + i][j].f = 0;
- }
- size -= 4;
- }
-
- if (state) {
- for (i = 0; i < STATE_LENGTH; i++)
- paramList->Parameters[oldNum].StateIndexes[i] = state[i];
+ values += 4;
+ p->Initialized = GL_TRUE;
+ } else {
+ /* silence valgrind */
+ for (j = 0; j < 4; j++)
+ paramList->ParameterValues[oldNum + i][j].f = 0;
}
+ size -= 4;
+ }
- return (GLint) oldNum;
+ if (state) {
+ for (i = 0; i < STATE_LENGTH; i++)
+ paramList->Parameters[oldNum].StateIndexes[i] = state[i];
}
+
+ return (GLint) oldNum;
}
assert(size <= 4);
if (swizzleOut &&
- _mesa_lookup_parameter_constant(paramList, values,
- size, &pos, swizzleOut)) {
+ lookup_parameter_constant(paramList, values, size, &pos, swizzleOut)) {
return pos;
}
return pos;
}
-/**
- * Add a new unnamed constant to the parameter list. This will be used
- * when a fragment/vertex program contains something like this:
- * MOV r, { 0, 1, 2, 3 };
- * If swizzleOut is non-null we'll search the parameter list for an
- * existing instance of the constant which matches with a swizzle.
- *
- * \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.
- * \sa _mesa_add_typed_unnamed_constant
- */
-GLint
-_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
- const gl_constant_value values[4], GLuint size,
- GLuint *swizzleOut)
-{
- return _mesa_add_typed_unnamed_constant(paramList, values, size, GL_NONE,
- swizzleOut);
-}
-
/**
* Add a new state reference to the parameter list.
/* Check if the state reference is already in the list */
for (index = 0; index < (GLint) paramList->NumParameters; index++) {
if (!memcmp(paramList->Parameters[index].StateIndexes,
- stateTokens, STATE_LENGTH * sizeof(gl_state_index))) {
- return index;
+ stateTokens, STATE_LENGTH * sizeof(gl_state_index))) {
+ return index;
}
}
return index;
}
-
-
-/**
- * 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 &&
- 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 &&
- strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
- && 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. If swizzleOut is non-null, we'll try
- * swizzling to find a match.
- * \param list the parameter list to search
- * \param v the float vector to search for
- * \param vSize 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 *list,
- const gl_constant_value v[], GLuint vSize,
- GLint *posOut, GLuint *swizzleOut)
-{
- GLuint i;
-
- assert(vSize >= 1);
- assert(vSize <= 4);
-
- if (!list) {
- *posOut = -1;
- return GL_FALSE;
- }
-
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == PROGRAM_CONSTANT) {
- if (!swizzleOut) {
- /* swizzle not allowed */
- GLuint j, match = 0;
- for (j = 0; j < vSize; j++) {
- if (v[j].u == list->ParameterValues[i][j].u)
- match++;
- }
- if (match == vSize) {
- *posOut = i;
- return GL_TRUE;
- }
- }
- else {
- /* try matching w/ swizzle */
- if (vSize == 1) {
- /* look for v[0] anywhere within float[4] value */
- GLuint j;
- for (j = 0; j < list->Parameters[i].Size; j++) {
- if (list->ParameterValues[i][j].u == v[0].u) {
- /* found it */
- *posOut = i;
- *swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
- return GL_TRUE;
- }
- }
- }
- else if (vSize <= list->Parameters[i].Size) {
- /* see if we can match this constant (with a swizzle) */
- GLuint swz[4];
- GLuint match = 0, j, k;
- for (j = 0; j < vSize; j++) {
- if (v[j].u == list->ParameterValues[i][j].u) {
- swz[j] = j;
- match++;
- }
- else {
- for (k = 0; k < list->Parameters[i].Size; k++) {
- if (v[j].u == list->ParameterValues[i][k].u) {
- swz[j] = k;
- match++;
- break;
- }
- }
- }
- }
- /* smear last value to remaining positions */
- for (; j < 4; j++)
- swz[j] = swz[j-1];
-
- if (match == vSize) {
- *posOut = i;
- *swizzleOut = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[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;
- struct gl_program_parameter *pCopy;
- GLuint size = MIN2(p->Size, 4);
- GLint j = _mesa_add_parameter(clone, p->Type, p->Name, size, p->DataType,
- list->ParameterValues[i], NULL);
- assert(j >= 0);
- pCopy = clone->Parameters + j;
- /* copy state indexes */
- if (p->Type == PROGRAM_STATE_VAR) {
- GLint k;
- for (k = 0; k < STATE_LENGTH; k++) {
- pCopy->StateIndexes[k] = p->StateIndexes[k];
- }
- }
- else {
- clone->Parameters[j].Size = p->Size;
- }
-
- }
-
- clone->StateFlags = list->StateFlags;
-
- return clone;
-}
-
-
-/**
- * Return a new parameter list which is listA + listB.
- */
-struct gl_program_parameter_list *
-_mesa_combine_parameter_lists(const struct gl_program_parameter_list *listA,
- const struct gl_program_parameter_list *listB)
-{
- struct gl_program_parameter_list *list;
-
- if (listA) {
- list = _mesa_clone_parameter_list(listA);
- if (list && listB) {
- GLuint i;
- for (i = 0; i < listB->NumParameters; i++) {
- struct gl_program_parameter *param = listB->Parameters + i;
- _mesa_add_parameter(list, param->Type, param->Name, param->Size,
- param->DataType,
- listB->ParameterValues[i],
- param->StateIndexes);
- }
- }
- }
- else if (listB) {
- list = _mesa_clone_parameter_list(listB);
- }
- else {
- list = NULL;
- }
- return list;
-}
projects / mesa.git / blobdiff