diff options
Diffstat (limited to 'src/gallium/winsys/r600/drm/radeon_draw.c')
-rw-r--r-- | src/gallium/winsys/r600/drm/radeon_draw.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/gallium/winsys/r600/drm/radeon_draw.c b/src/gallium/winsys/r600/drm/radeon_draw.c new file mode 100644 index 0000000000..4413ed79fb --- /dev/null +++ b/src/gallium/winsys/r600/drm/radeon_draw.c @@ -0,0 +1,141 @@ +/* + * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 (including the next + * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. + * + * Authors: + * Jerome Glisse + */ +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include "radeon_priv.h" + +/* + * draw functions + */ +struct radeon_draw *radeon_draw(struct radeon *radeon) +{ + struct radeon_draw *draw; + + draw = calloc(1, sizeof(*draw)); + if (draw == NULL) + return NULL; + draw->nstate = radeon->nstate; + draw->radeon = radeon; + draw->refcount = 1; + draw->state = calloc(1, sizeof(void*) * draw->nstate); + if (draw->state == NULL) { + free(draw); + return NULL; + } + return draw; +} + +struct radeon_draw *radeon_draw_incref(struct radeon_draw *draw) +{ + draw->refcount++; + return draw; +} + +struct radeon_draw *radeon_draw_decref(struct radeon_draw *draw) +{ + unsigned i; + + if (draw == NULL) + return NULL; + if (--draw->refcount > 0) + return NULL; + for (i = 0; i < draw->nstate; i++) { + draw->state[i] = radeon_state_decref(draw->state[i]); + } + free(draw->state); + memset(draw, 0, sizeof(*draw)); + free(draw); + return NULL; +} + +int radeon_draw_set_new(struct radeon_draw *draw, struct radeon_state *state) +{ + if (state == NULL) + return 0; + if (state->type >= draw->radeon->ntype) + return -EINVAL; + draw->state[state->id] = radeon_state_decref(draw->state[state->id]); + draw->state[state->id] = state; + return 0; +} + +int radeon_draw_set(struct radeon_draw *draw, struct radeon_state *state) +{ + if (state == NULL) + return 0; + radeon_state_incref(state); + return radeon_draw_set_new(draw, state); +} + +int radeon_draw_check(struct radeon_draw *draw) +{ + unsigned i; + int r; + + r = radeon_draw_pm4(draw); + if (r) + return r; + for (i = 0, draw->cpm4 = 0; i < draw->nstate; i++) { + if (draw->state[i]) { + draw->cpm4 += draw->state[i]->cpm4; + } + } + return 0; +} + +struct radeon_draw *radeon_draw_duplicate(struct radeon_draw *draw) +{ + struct radeon_draw *ndraw; + unsigned i; + + if (draw == NULL) + return NULL; + ndraw = radeon_draw(draw->radeon); + if (ndraw == NULL) { + return NULL; + } + for (i = 0; i < draw->nstate; i++) { + if (radeon_draw_set(ndraw, draw->state[i])) { + radeon_draw_decref(ndraw); + return NULL; + } + } + return ndraw; +} + +int radeon_draw_pm4(struct radeon_draw *draw) +{ + unsigned i; + int r; + + for (i = 0; i < draw->nstate; i++) { + r = radeon_state_pm4(draw->state[i]); + if (r) + return r; + } + return 0; +} |