diff options
Diffstat (limited to 'mesalib/src/mesa/shader/prog_parameter.c')
| -rw-r--r-- | mesalib/src/mesa/shader/prog_parameter.c | 750 |
1 files changed, 0 insertions, 750 deletions
diff --git a/mesalib/src/mesa/shader/prog_parameter.c b/mesalib/src/mesa/shader/prog_parameter.c deleted file mode 100644 index 25bb4f3d4..000000000 --- a/mesalib/src/mesa/shader/prog_parameter.c +++ /dev/null @@ -1,750 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.3 - * - * Copyright (C) 1999-2008 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 "main/glheader.h" -#include "main/imports.h" -#include "main/macros.h" -#include "prog_instruction.h" -#include "prog_parameter.h" -#include "prog_statevars.h" - - -struct gl_program_parameter_list * -_mesa_new_parameter_list(void) -{ - return CALLOC_STRUCT(gl_program_parameter_list); -} - - -struct gl_program_parameter_list * -_mesa_new_parameter_list_sized(unsigned size) -{ - struct gl_program_parameter_list *p = _mesa_new_parameter_list(); - - if ((p != NULL) && (size != 0)) { - p->Size = size; - - /* alloc arrays */ - 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); - - - if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) { - free(p->Parameters); - _mesa_align_free(p->ParameterValues); - free(p); - p = NULL; - } - } - - return p; -} - - -/** - * 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) - free((void *) paramList->Parameters[i].Name); - } - free(paramList->Parameters); - if (paramList->ParameterValues) - _mesa_align_free(paramList->ParameterValues); - free(paramList); -} - - -/** - * Add a new parameter to a parameter list. - * Note that parameter values are usually 4-element GLfloat vectors. - * When size > 4 we'll allocate a sequential block of parameters to - * store all the values (in blocks of 4). - * - * \param paramList the list to add the parameter to - * \param type type of parameter, such as - * \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 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) -{ - const GLuint oldNum = paramList->NumParameters; - const GLuint sz4 = (size + 3) / 4; /* no. of new param slots needed */ - - 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 = (struct gl_program_parameter *) - _mesa_realloc(paramList->Parameters, - oldNum * sizeof(struct gl_program_parameter), - paramList->Size * sizeof(struct gl_program_parameter)); - - paramList->ParameterValues = (GLfloat (*)[4]) - _mesa_align_realloc(paramList->ParameterValues, /* old buf */ - oldNum * 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 { - GLuint i; - - 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 ? _mesa_strdup(name) : NULL; - p->Type = type; - p->Size = size; - p->DataType = datatype; - p->Flags = flags; - if (values) { - COPY_4V(paramList->ParameterValues[oldNum + i], values); - values += 4; - p->Initialized = GL_TRUE; - } - else { - /* silence valgrind */ - ASSIGN_4V(paramList->ParameterValues[oldNum + i], 0, 0, 0, 0); - } - size -= 4; - } - - if (state) { - for (i = 0; i < STATE_LENGTH; i++) - paramList->Parameters[oldNum].StateIndexes[i] = state[i]; - } - - return (GLint) oldNum; - } -} - - -/** - * 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: - * 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) -{ - /* 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] && - 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); -} - - -/** - * 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. - */ -GLint -_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, - const GLfloat values[4], GLuint size, - GLuint *swizzleOut) -{ - GLint pos; - ASSERT(size >= 1); - ASSERT(size <= 4); - - if (swizzleOut && - _mesa_lookup_parameter_constant(paramList, values, - size, &pos, swizzleOut)) { - return pos; - } - - /* Look for empty space in an already unnamed constant parameter - * to add this constant. This will only work for single-element - * constants because we rely on smearing (i.e. .yyyy or .zzzz). - */ - if (size == 1 && swizzleOut) { - for (pos = 0; pos < (GLint) paramList->NumParameters; pos++) { - 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]; - GLuint swz = p->Size; /* 1, 2 or 3 for Y, Z, W */ - pVal[p->Size] = values[0]; - p->Size++; - *swizzleOut = MAKE_SWIZZLE4(swz, swz, swz, swz); - return pos; - } - } - } - - /* add a new parameter to store this constant */ - pos = _mesa_add_parameter(paramList, PROGRAM_CONSTANT, NULL, - size, GL_NONE, values, NULL, 0x0); - if (pos >= 0 && swizzleOut) { - if (size == 1) - *swizzleOut = SWIZZLE_XXXX; - else - *swizzleOut = SWIZZLE_NOOP; - } - return pos; -} - - -/** - * Add a uniform to the parameter list. - * Note that if the uniform is an array, size may be greater than - * what's implied by the datatype. - * \param name uniform's name - * \param size number of floats to allocate - * \param datatype GL_FLOAT_VEC3, GL_FLOAT_MAT4, etc. - */ -GLint -_mesa_add_uniform(struct gl_program_parameter_list *paramList, - const char *name, GLuint size, GLenum datatype, - const GLfloat *values) -{ - GLint i = _mesa_lookup_parameter_index(paramList, -1, name); - ASSERT(datatype != GL_NONE); - if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_UNIFORM) { - ASSERT(paramList->Parameters[i].Size == size); - ASSERT(paramList->Parameters[i].DataType == datatype); - /* already in list */ - return i; - } - else { - i = _mesa_add_parameter(paramList, PROGRAM_UNIFORM, name, - size, datatype, values, NULL, 0x0); - return i; - } -} - - -/** - * Mark the named uniform as 'used'. - */ -void -_mesa_use_uniform(struct gl_program_parameter_list *paramList, - const char *name) -{ - GLuint i; - for (i = 0; i < paramList->NumParameters; i++) { - struct gl_program_parameter *p = paramList->Parameters + i; - if ((p->Type == PROGRAM_UNIFORM || p->Type == PROGRAM_SAMPLER) && - strcmp(p->Name, name) == 0) { - p->Used = GL_TRUE; - /* Note that large uniforms may occupy several slots so we're - * not done searching yet. - */ - } - } -} - - -/** - * Add a sampler to the parameter list. - * \param name uniform's name - * \param datatype GL_SAMPLER_2D, GL_SAMPLER_2D_RECT_ARB, etc. - * \param index the sampler number (as seen in TEX instructions) - * \return sampler index (starting at zero) or -1 if error - */ -GLint -_mesa_add_sampler(struct gl_program_parameter_list *paramList, - const char *name, GLenum datatype) -{ - GLint i = _mesa_lookup_parameter_index(paramList, -1, name); - if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_SAMPLER) { - ASSERT(paramList->Parameters[i].Size == 1); - ASSERT(paramList->Parameters[i].DataType == datatype); - /* already in list */ - return (GLint) paramList->ParameterValues[i][0]; - } - else { - GLuint i; - const GLint size = 1; /* a sampler is basically a texture unit number */ - GLfloat value[4]; - GLint numSamplers = 0; - for (i = 0; i < paramList->NumParameters; i++) { - if (paramList->Parameters[i].Type == PROGRAM_SAMPLER) - numSamplers++; - } - value[0] = (GLfloat) numSamplers; - value[1] = value[2] = value[3] = 0.0F; - (void) _mesa_add_parameter(paramList, PROGRAM_SAMPLER, name, - size, datatype, value, NULL, 0x0); - return numSamplers; - } -} - - -/** - * Add parameter representing a varying variable. - */ -GLint -_mesa_add_varying(struct gl_program_parameter_list *paramList, - const char *name, GLuint size, 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, GL_NONE, 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 - */ -GLint -_mesa_add_attribute(struct gl_program_parameter_list *paramList, - const char *name, GLint size, GLenum datatype, GLint attrib) -{ - 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; -} - - - -#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 stateTokens an array of 5 (STATE_LENGTH) state tokens - * \return index of the new parameter. - */ -GLint -_mesa_add_state_reference(struct gl_program_parameter_list *paramList, - const gl_state_index stateTokens[STATE_LENGTH]) -{ - const GLuint size = 4; /* XXX fix */ - char *name; - GLint index; - - /* Check if the state reference is already in the list */ - for (index = 0; index < (GLint) paramList->NumParameters; index++) { - GLuint i, match = 0; - for (i = 0; i < STATE_LENGTH; i++) { - if (paramList->Parameters[index].StateIndexes[i] == stateTokens[i]) { - match++; - } - else { - break; - } - } - if (match == STATE_LENGTH) { - /* this state reference is already in the parameter list */ - return index; - } - } - - name = _mesa_program_state_string(stateTokens); - index = _mesa_add_parameter(paramList, PROGRAM_STATE_VAR, name, - size, GL_NONE, - NULL, (gl_state_index *) stateTokens, 0x0); - paramList->StateFlags |= _mesa_program_state_flags(stateTokens); - - /* free name string here since we duplicated it in add_parameter() */ - free(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) -{ - GLint 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 && - 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 GLfloat v[], GLuint vSize, - GLint *posOut, GLuint *swizzleOut) -{ - GLuint i; - - assert(vSize >= 1); - assert(vSize <= 4); - - if (!list) - return -1; - - 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] == list->ParameterValues[i][j]) - 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 < 4; j++) { - if (list->ParameterValues[i][j] == v[0]) { - /* 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] == list->ParameterValues[i][j]) { - swz[j] = j; - match++; - } - else { - for (k = 0; k < list->Parameters[i].Size; k++) { - if (v[j] == list->ParameterValues[i][k]) { - 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, 0x0); - ASSERT(j >= 0); - pCopy = clone->Parameters + j; - pCopy->Used = p->Used; - pCopy->Flags = p->Flags; - /* 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, - param->Flags); - } - } - } - else if (listB) { - list = _mesa_clone_parameter_list(listB); - } - else { - list = NULL; - } - 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; -} |