102 static void matrix_frustum(struct gl_matrix_stack* stack,  in matrix_frustum()  argument
120    _math_matrix_frustum(stack->Top,  in matrix_frustum()
124    ctx->NewState |= stack->DirtyFlag;  in matrix_frustum()
141  * the top matrix of the current matrix stack and sets
165    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixFrustumEXT()  local
167    if (!stack)  in _mesa_MatrixFrustumEXT()
170    matrix_frustum(stack,  in _mesa_MatrixFrustumEXT()
179 matrix_ortho(struct gl_matrix_stack* stack,  in matrix_ortho()  argument
201    _math_matrix_ortho( stack->Top,  in matrix_ortho()
205    ctx->NewState |= stack->DirtyFlag;  in matrix_ortho()
222  * the top matrix of the current matrix stack and sets
246    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixOrthoEXT()  local
248    if (!stack)  in _mesa_MatrixOrthoEXT()
251    matrix_ortho(stack,  in _mesa_MatrixOrthoEXT()
260  * Set the current matrix stack.
262  * \param mode matrix stack.
268  * with the specified matrix stack.
273    struct gl_matrix_stack * stack;  in _mesa_MatrixMode()  local
280       stack = NULL;  in _mesa_MatrixMode()
282       stack = get_named_matrix_stack(ctx, mode, "glMatrixMode");  in _mesa_MatrixMode()
285    if (stack) {  in _mesa_MatrixMode()
286       ctx->CurrentStack = stack;  in _mesa_MatrixMode()
293 push_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack,  in push_matrix()  argument
296    if (stack->Depth + 1 >= stack->MaxDepth) {  in push_matrix()
307    if (stack->Depth + 1 >= stack->StackSize) {  in push_matrix()
308       unsigned new_stack_size = stack->StackSize * 2;  in push_matrix()
310       GLmatrix *new_stack = realloc(stack->Stack,  in push_matrix()
318       for (i = stack->StackSize; i < new_stack_size; i++)  in push_matrix()
321       stack->Stack = new_stack;  in push_matrix()
322       stack->StackSize = new_stack_size;  in push_matrix()
325    _math_matrix_copy( &stack->Stack[stack->Depth + 1],  in push_matrix()
326                       &stack->Stack[stack->Depth] );  in push_matrix()
327    stack->Depth++;  in push_matrix()
328    stack->Top = &(stack->Stack[stack->Depth]);  in push_matrix()
329    ctx->NewState |= stack->DirtyFlag;  in push_matrix()
334  * Push the current matrix stack.
338  * Verifies the current matrix stack is not full, and duplicates the top-most
339  * matrix in the stack.
340  * Marks __struct gl_contextRec::NewState with the stack dirty flag.
346    struct gl_matrix_stack *stack = ctx->CurrentStack;  in _mesa_PushMatrix()  local
352    push_matrix(ctx, stack, ctx->Transform.MatrixMode, "glPushMatrix");  in _mesa_PushMatrix()
360    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixPushEXT()  local
363    if (stack)  in _mesa_MatrixPushEXT()
364       push_matrix(ctx, stack, matrixMode, "glMatrixPushEXT");  in _mesa_MatrixPushEXT()
369 pop_matrix( struct gl_context *ctx, struct gl_matrix_stack *stack )  in pop_matrix()  argument
371    if (stack->Depth == 0)  in pop_matrix()
374    stack->Depth--;  in pop_matrix()
375    stack->Top = &(stack->Stack[stack->Depth]);  in pop_matrix()
376    ctx->NewState |= stack->DirtyFlag;  in pop_matrix()
382  * Pop the current matrix stack.
386  * Flushes the vertices, verifies the current matrix stack is not empty, and
387  * moves the stack head down.
388  * Marks __struct gl_contextRec::NewState with the dirty stack flag.
394    struct gl_matrix_stack *stack = ctx->CurrentStack;  in _mesa_PopMatrix()  local
402    if (!pop_matrix(ctx, stack)) {  in _mesa_PopMatrix()
420    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixPopEXT()  local
422    if (!stack)  in _mesa_MatrixPopEXT()
425    if (!pop_matrix(ctx, stack)) {  in _mesa_MatrixPopEXT()
440 _mesa_load_identity_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack)  in _mesa_load_identity_matrix()  argument
444    _math_matrix_set_identity(stack->Top);  in _mesa_load_identity_matrix()
445    ctx->NewState |= stack->DirtyFlag;  in _mesa_load_identity_matrix()
455  * top-most matrix in the current stack.
456  * Marks __struct gl_contextRec::NewState with the stack dirty flag.
473    struct gl_matrix_stack *stack;  in _mesa_MatrixLoadIdentityEXT()  local
475    stack = get_named_matrix_stack(ctx, matrixMode, "glMatrixLoadIdentityEXT");  in _mesa_MatrixLoadIdentityEXT()
476    if (!stack)  in _mesa_MatrixLoadIdentityEXT()
479    _mesa_load_identity_matrix(ctx, stack);  in _mesa_MatrixLoadIdentityEXT()
484 _mesa_load_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack,  in _mesa_load_matrix()  argument
487    if (memcmp(m, stack->Top->m, 16 * sizeof(GLfloat)) != 0) {  in _mesa_load_matrix()
489       _math_matrix_loadf(stack->Top, m);  in _mesa_load_matrix()
490       ctx->NewState |= stack->DirtyFlag;  in _mesa_load_matrix()
496 matrix_load(struct gl_context *ctx, struct gl_matrix_stack *stack,  in matrix_load()  argument
509    _mesa_load_matrix(ctx, stack, m);  in matrix_load()
521  * matrix in the current stack and the given matrix.
522  * Marks __struct gl_contextRec::NewState with the dirty stack flag.
544    struct gl_matrix_stack * stack =  in _mesa_MatrixLoadfEXT()  local
546    if (!stack)  in _mesa_MatrixLoadfEXT()
549    matrix_load(ctx, stack, m, "glMatrixLoadfEXT");  in _mesa_MatrixLoadfEXT()
554 matrix_mult(struct gl_matrix_stack *stack, const GLfloat *m, const char* caller)  in matrix_mult()  argument
568    _math_matrix_mul_floats(stack->Top, m);  in matrix_mult()
569    ctx->NewState |= stack->DirtyFlag;  in matrix_mult()
581  * matrix in the current stack and the given matrix. Marks
582  * __struct gl_contextRec::NewState with the dirty stack flag.
596    struct gl_matrix_stack * stack =  in _mesa_MatrixMultfEXT()  local
598    if (!stack)  in _mesa_MatrixMultfEXT()
601    matrix_mult(stack, m, "glMultMatrix");  in _mesa_MatrixMultfEXT()
606 matrix_rotate(struct gl_matrix_stack *stack, GLfloat angle,  in matrix_rotate()  argument
613       _math_matrix_rotate(stack->Top, angle, x, y, z);  in matrix_rotate()
614       ctx->NewState |=stack->DirtyFlag;  in matrix_rotate()
630  * matrix in the current stack and the given parameters. Marks
631  * __struct gl_contextRec::NewState with the dirty stack flag.
645    struct gl_matrix_stack *stack =  in _mesa_MatrixRotatefEXT()  local
647    if (!stack)  in _mesa_MatrixRotatefEXT()
650    matrix_rotate(stack, angle, x, y, z, "glMatrixRotatefEXT");  in _mesa_MatrixRotatefEXT()
664  * matrix in the current stack and the given parameters. Marks
665  * __struct gl_contextRec::NewState with the dirty stack flag.
681    struct gl_matrix_stack *stack;  in _mesa_MatrixScalefEXT()  local
684    stack = get_named_matrix_stack(ctx, matrixMode, "glMatrixScalefEXT");  in _mesa_MatrixScalefEXT()
685    if (!stack)  in _mesa_MatrixScalefEXT()
689    _math_matrix_scale(stack->Top, x, y, z);  in _mesa_MatrixScalefEXT()
690    ctx->NewState |= stack->DirtyFlag;  in _mesa_MatrixScalefEXT()
704  * matrix in the current stack and the given parameters. Marks
705  * __struct gl_contextRec::NewState with the dirty stack flag.
722    struct gl_matrix_stack *stack =  in _mesa_MatrixTranslatefEXT()  local
724    if (!stack)  in _mesa_MatrixTranslatefEXT()
728    _math_matrix_translate(stack->Top, x, y, z);  in _mesa_MatrixTranslatefEXT()
729    ctx->NewState |= stack->DirtyFlag;  in _mesa_MatrixTranslatefEXT()
901  * Update the projection matrix stack.
906  * stack, and recomputes user clip positions if necessary.
983 /** Matrix stack initialization */
988  * Initialize a matrix stack.
990  * \param stack matrix stack.
991  * \param maxDepth maximum stack depth.
994  * Allocates an array of \p maxDepth elements for the matrix stack and calls
998 init_matrix_stack(struct gl_matrix_stack *stack,  in init_matrix_stack()  argument
1001    stack->Depth = 0;  in init_matrix_stack()
1002    stack->MaxDepth = maxDepth;  in init_matrix_stack()
1003    stack->DirtyFlag = dirtyFlag;  in init_matrix_stack()
1004    /* The stack will be dynamically resized at glPushMatrix() time */  in init_matrix_stack()
1005    stack->Stack = calloc(1, sizeof(GLmatrix));  in init_matrix_stack()
1006    stack->StackSize = 1;  in init_matrix_stack()
1007    _math_matrix_ctr(&stack->Stack[0]);  in init_matrix_stack()
1008    stack->Top = stack->Stack;  in init_matrix_stack()
1012  * Free matrix stack.
1014  * \param stack matrix stack.
1016  * Calls _math_matrix_dtr() for each element of the matrix stack and
1020 free_matrix_stack( struct gl_matrix_stack *stack )  in free_matrix_stack()  argument
1023    for (i = 0; i < stack->StackSize; i++) {  in free_matrix_stack()
1024       _math_matrix_dtr(&stack->Stack[i]);  in free_matrix_stack()
1026    free(stack->Stack);  in free_matrix_stack()
1027    stack->Stack = stack->Top = NULL;  in free_matrix_stack()
1028    stack->StackSize = 0;  in free_matrix_stack()