/*
* Mesa 3-D graphics library
- * Version: 7.3
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
/**
p->Parameters = (struct gl_program_parameter *)
calloc(1, size * sizeof(struct gl_program_parameter));
- p->ParameterValues = (GLfloat (*)[4])
- _mesa_align_malloc(size * 4 *sizeof(GLfloat), 16);
+ p->ParameterValues = (gl_constant_value (*)[4])
+ _mesa_align_malloc(size * 4 *sizeof(gl_constant_value), 16);
if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
{
GLuint i;
for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name)
- free((void *) paramList->Parameters[i].Name);
+ free((void *)paramList->Parameters[i].Name);
}
free(paramList->Parameters);
- if (paramList->ParameterValues)
- _mesa_align_free(paramList->ParameterValues);
+ _mesa_align_free(paramList->ParameterValues);
free(paramList);
}
* \param name the parameter name, will be duplicated/copied!
* \param size number of elements in 'values' vector (1..4, or more)
* \param datatype GL_FLOAT, GL_FLOAT_VECx, GL_INT, GL_INT_VECx or GL_NONE.
- * \param values initial parameter value, up to 4 GLfloats, or NULL
+ * \param values initial parameter value, up to 4 gl_constant_values, or NULL
* \param state state indexes, or NULL
* \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,
gl_register_file type, const char *name,
- GLuint size, GLenum datatype, const GLfloat *values,
- const gl_state_index state[STATE_LENGTH],
- GLbitfield flags)
+ GLuint size, GLenum datatype,
+ const gl_constant_value *values,
+ const gl_state_index state[STATE_LENGTH])
{
const GLuint oldNum = paramList->NumParameters;
const GLuint sz4 = (size + 3) / 4; /* no. of new param slots needed */
oldNum * sizeof(struct gl_program_parameter),
paramList->Size * sizeof(struct gl_program_parameter));
- paramList->ParameterValues = (GLfloat (*)[4])
+ paramList->ParameterValues = (gl_constant_value (*)[4])
_mesa_align_realloc(paramList->ParameterValues, /* old buf */
- oldNum * 4 * sizeof(GLfloat), /* old size */
- paramList->Size * 4 *sizeof(GLfloat), /* new sz */
+ oldNum * 4 * sizeof(gl_constant_value),/* old sz */
+ paramList->Size*4*sizeof(gl_constant_value),/*new*/
16);
}
return -1;
}
else {
- GLuint i;
+ GLuint i, j;
paramList->NumParameters = oldNum + sz4;
p->Type = type;
p->Size = size;
p->DataType = datatype;
- p->Flags = flags;
if (values) {
- COPY_4V(paramList->ParameterValues[oldNum + i], 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;
+ }
+ /* 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 */
- ASSIGN_4V(paramList->ParameterValues[oldNum + i], 0, 0, 0, 0);
+ for (j = 0; j < 4; j++)
+ paramList->ParameterValues[oldNum + i][j].f = 0;
}
size -= 4;
}
}
-/**
- * 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, PROGRAM_NAMED_PARAM, name,
- 4, GL_NONE, values, NULL, 0x0);
-
-}
-
-
/**
* Add a new named constant to the parameter list.
* This will be used when the program contains something like this:
*/
GLint
_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
- const char *name, const GLfloat values[4],
+ const char *name, const gl_constant_value values[4],
GLuint size)
{
/* first check if this is a duplicate constant */
GLint pos;
for (pos = 0; pos < (GLint)paramList->NumParameters; pos++) {
- const GLfloat *pvals = paramList->ParameterValues[pos];
- if (pvals[0] == values[0] &&
- pvals[1] == values[1] &&
- pvals[2] == values[2] &&
- pvals[3] == values[3] &&
+ const gl_constant_value *pvals = paramList->ParameterValues[pos];
+ if (pvals[0].u == values[0].u &&
+ pvals[1].u == values[1].u &&
+ pvals[2].u == values[2].u &&
+ pvals[3].u == values[3].u &&
strcmp(paramList->Parameters[pos].Name, name) == 0) {
/* Same name and value is already in the param list - reuse it */
return pos;
}
/* not found, add new parameter */
return _mesa_add_parameter(paramList, PROGRAM_CONSTANT, name,
- size, GL_NONE, values, NULL, 0x0);
+ size, GL_NONE, values, NULL);
}
* \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)
+_mesa_add_typed_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const gl_constant_value values[4], GLuint size,
+ GLenum datatype, GLuint *swizzleOut)
{
GLint pos;
ASSERT(size >= 1);
struct gl_program_parameter *p = paramList->Parameters + pos;
if (p->Type == PROGRAM_CONSTANT && p->Size + size <= 4) {
/* ok, found room */
- GLfloat *pVal = paramList->ParameterValues[pos];
+ gl_constant_value *pVal = paramList->ParameterValues[pos];
GLuint swz = p->Size; /* 1, 2 or 3 for Y, Z, W */
pVal[p->Size] = values[0];
p->Size++;
/* add a new parameter to store this constant */
pos = _mesa_add_parameter(paramList, PROGRAM_CONSTANT, NULL,
- size, GL_NONE, values, NULL, 0x0);
+ size, datatype, values, NULL);
if (pos >= 0 && swizzleOut) {
if (size == 1)
*swizzleOut = SWIZZLE_XXXX;
}
/**
- * Add parameter representing a varying variable.
- */
-GLint
-_mesa_add_varying(struct gl_program_parameter_list *paramList,
- const char *name, GLuint size, GLenum datatype,
- GLbitfield flags)
-{
- 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, PROGRAM_VARYING, name,
- size, datatype, NULL, NULL, flags);
- return i;
- }
-}
-
-
-/**
- * Add parameter representing a vertex program attribute.
- * \param size size of attribute (in floats), may be -1 if unknown
- * \param attrib the attribute index, or -1 if unknown
+ * 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_attribute(struct gl_program_parameter_list *paramList,
- const char *name, GLint size, GLenum datatype, GLint attrib)
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const gl_constant_value values[4], GLuint size,
+ GLuint *swizzleOut)
{
- GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
- if (i >= 0) {
- /* replace */
- if (attrib < 0)
- attrib = i;
- paramList->Parameters[i].StateIndexes[0] = attrib;
- }
- else {
- /* add */
- gl_state_index state[STATE_LENGTH];
- state[0] = (gl_state_index) attrib;
- if (size < 0)
- size = 4;
- i = _mesa_add_parameter(paramList, PROGRAM_INPUT, name,
- size, datatype, NULL, state, 0x0);
- }
- return i;
+ return _mesa_add_typed_unnamed_constant(paramList, values, size, GL_NONE,
+ swizzleOut);
}
-
-
#if 0 /* not used yet */
/**
* Returns the number of 4-component registers needed to store a piece
name = _mesa_program_state_string(stateTokens);
index = _mesa_add_parameter(paramList, PROGRAM_STATE_VAR, name,
size, GL_NONE,
- NULL, (gl_state_index *) stateTokens, 0x0);
+ NULL, (gl_state_index *) stateTokens);
paramList->StateFlags |= _mesa_program_state_flags(stateTokens);
/* free name string here since we duplicated it in add_parameter() */
* Lookup a parameter value by name in the given parameter list.
* \return pointer to the float[4] values.
*/
-GLfloat *
+gl_constant_value *
_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
*/
GLboolean
_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
- const GLfloat v[], GLuint vSize,
+ const gl_constant_value v[], GLuint vSize,
GLint *posOut, GLuint *swizzleOut)
{
GLuint i;
/* swizzle not allowed */
GLuint j, match = 0;
for (j = 0; j < vSize; j++) {
- if (v[j] == list->ParameterValues[i][j])
+ if (v[j].u == list->ParameterValues[i][j].u)
match++;
}
if (match == vSize) {
/* 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] == v[0]) {
+ if (list->ParameterValues[i][j].u == v[0].u) {
/* found it */
*posOut = i;
*swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
GLuint swz[4];
GLuint match = 0, j, k;
for (j = 0; j < vSize; j++) {
- if (v[j] == list->ParameterValues[i][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] == list->ParameterValues[i][k]) {
+ if (v[j].u == list->ParameterValues[i][k].u) {
swz[j] = k;
match++;
break;
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, 0x0);
+ list->ParameterValues[i], NULL);
ASSERT(j >= 0);
pCopy = clone->Parameters + j;
- pCopy->Flags = p->Flags;
/* copy state indexes */
if (p->Type == PROGRAM_STATE_VAR) {
GLint k;
_mesa_add_parameter(list, param->Type, param->Name, param->Size,
param->DataType,
listB->ParameterValues[i],
- param->StateIndexes,
- param->Flags);
+ param->StateIndexes);
}
}
}
}
return list;
}
-
-
-
-/**
- * Find longest name of all uniform parameters in list.
- */
-GLuint
-_mesa_longest_parameter_name(const struct gl_program_parameter_list *list,
- gl_register_file type)
-{
- GLuint i, maxLen = 0;
- if (!list)
- return 0;
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == type) {
- GLuint len = strlen(list->Parameters[i].Name);
- if (len > maxLen)
- maxLen = len;
- }
- }
- return maxLen;
-}
-
-
-/**
- * Count the number of parameters in the last that match the given type.
- */
-GLuint
-_mesa_num_parameters_of_type(const struct gl_program_parameter_list *list,
- gl_register_file type)
-{
- GLuint i, count = 0;
- if (list) {
- for (i = 0; i < list->NumParameters; i++) {
- if (list->Parameters[i].Type == type)
- count++;
- }
- }
- return count;
-}