103 static void matrix_frustum(struct gl_matrix_stack* stack,  in matrix_frustum()  argument
121    _math_matrix_frustum(stack->Top,  in matrix_frustum()
125    stack->ChangedSincePush = true;  in matrix_frustum()
126    ctx->NewState |= stack->DirtyFlag;  in matrix_frustum()
143  * the top matrix of the current matrix stack and sets
167    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixFrustumEXT()  local
169    if (!stack)  in _mesa_MatrixFrustumEXT()
172    matrix_frustum(stack,  in _mesa_MatrixFrustumEXT()
181 matrix_ortho(struct gl_matrix_stack* stack,  in matrix_ortho()  argument
203    _math_matrix_ortho( stack->Top,  in matrix_ortho()
207    stack->ChangedSincePush = true;  in matrix_ortho()
208    ctx->NewState |= stack->DirtyFlag;  in matrix_ortho()
225  * the top matrix of the current matrix stack and sets
249    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixOrthoEXT()  local
251    if (!stack)  in _mesa_MatrixOrthoEXT()
254    matrix_ortho(stack,  in _mesa_MatrixOrthoEXT()
263  * Set the current matrix stack.
265  * \param mode matrix stack.
271  * with the specified matrix stack.
276    struct gl_matrix_stack * stack;  in _mesa_MatrixMode()  local
283       stack = NULL;  in _mesa_MatrixMode()
285       stack = get_named_matrix_stack(ctx, mode, "glMatrixMode");  in _mesa_MatrixMode()
288    if (stack) {  in _mesa_MatrixMode()
289       ctx->CurrentStack = stack;  in _mesa_MatrixMode()
297 push_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack,  in push_matrix()  argument
300    if (stack->Depth + 1 >= stack->MaxDepth) {  in push_matrix()
311    if (stack->Depth + 1 >= stack->StackSize) {  in push_matrix()
312       unsigned new_stack_size = stack->StackSize * 2;  in push_matrix()
314       GLmatrix *new_stack = realloc(stack->Stack,  in push_matrix()
322       for (i = stack->StackSize; i < new_stack_size; i++)  in push_matrix()
325       stack->Stack = new_stack;  in push_matrix()
326       stack->StackSize = new_stack_size;  in push_matrix()
329    _math_matrix_push_copy(&stack->Stack[stack->Depth + 1],  in push_matrix()
330                           &stack->Stack[stack->Depth]);  in push_matrix()
331    stack->Depth++;  in push_matrix()
332    stack->Top = &(stack->Stack[stack->Depth]);  in push_matrix()
333    stack->ChangedSincePush = false;  in push_matrix()
338  * Push the current matrix stack.
342  * Verifies the current matrix stack is not full, and duplicates the top-most
343  * matrix in the stack.
344  * Marks __struct gl_contextRec::NewState with the stack dirty flag.
350    struct gl_matrix_stack *stack = ctx->CurrentStack;  in _mesa_PushMatrix()  local
356    push_matrix(ctx, stack, ctx->Transform.MatrixMode, "glPushMatrix");  in _mesa_PushMatrix()
364    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixPushEXT()  local
367    if (stack)  in _mesa_MatrixPushEXT()
368       push_matrix(ctx, stack, matrixMode, "glMatrixPushEXT");  in _mesa_MatrixPushEXT()
373 pop_matrix( struct gl_context *ctx, struct gl_matrix_stack *stack )  in pop_matrix()  argument
375    if (stack->Depth == 0)  in pop_matrix()
378    stack->Depth--;  in pop_matrix()
383    if (stack->ChangedSincePush &&  in pop_matrix()
384        memcmp(stack->Top, &stack->Stack[stack->Depth],  in pop_matrix()
387       ctx->NewState |= stack->DirtyFlag;  in pop_matrix()
390    stack->Top = &(stack->Stack[stack->Depth]);  in pop_matrix()
391    stack->ChangedSincePush = true;  in pop_matrix()
397  * Pop the current matrix stack.
401  * Flushes the vertices, verifies the current matrix stack is not empty, and
402  * moves the stack head down.
403  * Marks __struct gl_contextRec::NewState with the dirty stack flag.
409    struct gl_matrix_stack *stack = ctx->CurrentStack;  in _mesa_PopMatrix()  local
415    if (!pop_matrix(ctx, stack)) {  in _mesa_PopMatrix()
433    struct gl_matrix_stack *stack = get_named_matrix_stack(ctx, matrixMode,  in _mesa_MatrixPopEXT()  local
435    if (!stack)  in _mesa_MatrixPopEXT()
438    if (!pop_matrix(ctx, stack)) {  in _mesa_MatrixPopEXT()
453 _mesa_load_identity_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack)  in _mesa_load_identity_matrix()  argument
457    _math_matrix_set_identity(stack->Top);  in _mesa_load_identity_matrix()
458    stack->ChangedSincePush = true;  in _mesa_load_identity_matrix()
459    ctx->NewState |= stack->DirtyFlag;  in _mesa_load_identity_matrix()
469  * top-most matrix in the current stack.
470  * Marks __struct gl_contextRec::NewState with the stack dirty flag.
487    struct gl_matrix_stack *stack;  in _mesa_MatrixLoadIdentityEXT()  local
489    stack = get_named_matrix_stack(ctx, matrixMode, "glMatrixLoadIdentityEXT");  in _mesa_MatrixLoadIdentityEXT()
490    if (!stack)  in _mesa_MatrixLoadIdentityEXT()
493    _mesa_load_identity_matrix(ctx, stack);  in _mesa_MatrixLoadIdentityEXT()
498 _mesa_load_matrix(struct gl_context *ctx, struct gl_matrix_stack *stack,  in _mesa_load_matrix()  argument
501    if (memcmp(m, stack->Top->m, 16 * sizeof(GLfloat)) != 0) {  in _mesa_load_matrix()
503       _math_matrix_loadf(stack->Top, m);  in _mesa_load_matrix()
504       stack->ChangedSincePush = true;  in _mesa_load_matrix()
505       ctx->NewState |= stack->DirtyFlag;  in _mesa_load_matrix()
511 matrix_load(struct gl_context *ctx, struct gl_matrix_stack *stack,  in matrix_load()  argument
524    _mesa_load_matrix(ctx, stack, m);  in matrix_load()
536  * matrix in the current stack and the given matrix.
537  * Marks __struct gl_contextRec::NewState with the dirty stack flag.
559    struct gl_matrix_stack * stack =  in _mesa_MatrixLoadfEXT()  local
561    if (!stack)  in _mesa_MatrixLoadfEXT()
564    matrix_load(ctx, stack, m, "glMatrixLoadfEXT");  in _mesa_MatrixLoadfEXT()
569 matrix_mult(struct gl_matrix_stack *stack, const GLfloat *m, const char* caller)  in matrix_mult()  argument
587    _math_matrix_mul_floats(stack->Top, m);  in matrix_mult()
588    stack->ChangedSincePush = true;  in matrix_mult()
589    ctx->NewState |= stack->DirtyFlag;  in matrix_mult()
601  * matrix in the current stack and the given matrix. Marks
602  * __struct gl_contextRec::NewState with the dirty stack flag.
616    struct gl_matrix_stack * stack =  in _mesa_MatrixMultfEXT()  local
618    if (!stack)  in _mesa_MatrixMultfEXT()
621    matrix_mult(stack, m, "glMultMatrix");  in _mesa_MatrixMultfEXT()
626 matrix_rotate(struct gl_matrix_stack *stack, GLfloat angle,  in matrix_rotate()  argument
633       _math_matrix_rotate(stack->Top, angle, x, y, z);  in matrix_rotate()
634       stack->ChangedSincePush = true;  in matrix_rotate()
635       ctx->NewState |=stack->DirtyFlag;  in matrix_rotate()
651  * matrix in the current stack and the given parameters. Marks
652  * __struct gl_contextRec::NewState with the dirty stack flag.
666    struct gl_matrix_stack *stack =  in _mesa_MatrixRotatefEXT()  local
668    if (!stack)  in _mesa_MatrixRotatefEXT()
671    matrix_rotate(stack, angle, x, y, z, "glMatrixRotatefEXT");  in _mesa_MatrixRotatefEXT()
685  * matrix in the current stack and the given parameters. Marks
686  * __struct gl_contextRec::NewState with the dirty stack flag.
703    struct gl_matrix_stack *stack;  in _mesa_MatrixScalefEXT()  local
706    stack = get_named_matrix_stack(ctx, matrixMode, "glMatrixScalefEXT");  in _mesa_MatrixScalefEXT()
707    if (!stack)  in _mesa_MatrixScalefEXT()
711    _math_matrix_scale(stack->Top, x, y, z);  in _mesa_MatrixScalefEXT()
712    stack->ChangedSincePush = true;  in _mesa_MatrixScalefEXT()
713    ctx->NewState |= stack->DirtyFlag;  in _mesa_MatrixScalefEXT()
727  * matrix in the current stack and the given parameters. Marks
728  * __struct gl_contextRec::NewState with the dirty stack flag.
746    struct gl_matrix_stack *stack =  in _mesa_MatrixTranslatefEXT()  local
748    if (!stack)  in _mesa_MatrixTranslatefEXT()
752    _math_matrix_translate(stack->Top, x, y, z);  in _mesa_MatrixTranslatefEXT()
753    stack->ChangedSincePush = true;  in _mesa_MatrixTranslatefEXT()
754    ctx->NewState |= stack->DirtyFlag;  in _mesa_MatrixTranslatefEXT()
926  * Update the projection matrix stack.
989 /** Matrix stack initialization */
994  * Initialize a matrix stack.
996  * \param stack matrix stack.
997  * \param maxDepth maximum stack depth.
1000  * Allocates an array of \p maxDepth elements for the matrix stack and calls
1004 init_matrix_stack(struct gl_matrix_stack *stack,  in init_matrix_stack()  argument
1007    stack->Depth = 0;  in init_matrix_stack()
1008    stack->MaxDepth = maxDepth;  in init_matrix_stack()
1009    stack->DirtyFlag = dirtyFlag;  in init_matrix_stack()
1010    /* The stack will be dynamically resized at glPushMatrix() time */  in init_matrix_stack()
1011    stack->Stack = calloc(1, sizeof(GLmatrix));  in init_matrix_stack()
1012    stack->StackSize = 1;  in init_matrix_stack()
1013    _math_matrix_ctr(&stack->Stack[0]);  in init_matrix_stack()
1014    stack->Top = stack->Stack;  in init_matrix_stack()
1015    stack->ChangedSincePush = false;  in init_matrix_stack()
1019  * Free matrix stack.
1021  * \param stack matrix stack.
1024 free_matrix_stack( struct gl_matrix_stack *stack )  in free_matrix_stack()  argument
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()