diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_sampler.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_sampler.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c new file mode 100644 index 0000000000..4fef541b1e --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c @@ -0,0 +1,117 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS AND/OR ITS 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: + * Brian Paul + */ + +#include "util/u_memory.h" + +#include "draw/draw_context.h" + +#include "lp_context.h" +#include "lp_context.h" +#include "lp_state.h" +#include "lp_texture.h" +#include "lp_tex_cache.h" +#include "draw/draw_context.h" + + + +void * +llvmpipe_create_sampler_state(struct pipe_context *pipe, + const struct pipe_sampler_state *sampler) +{ + return mem_dup(sampler, sizeof(*sampler)); +} + + +void +llvmpipe_bind_sampler_states(struct pipe_context *pipe, + unsigned num, void **sampler) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + unsigned i; + + assert(num <= PIPE_MAX_SAMPLERS); + + /* Check for no-op */ + if (num == llvmpipe->num_samplers && + !memcmp(llvmpipe->sampler, sampler, num * sizeof(void *))) + return; + + draw_flush(llvmpipe->draw); + + for (i = 0; i < num; ++i) + llvmpipe->sampler[i] = sampler[i]; + for (i = num; i < PIPE_MAX_SAMPLERS; ++i) + llvmpipe->sampler[i] = NULL; + + llvmpipe->num_samplers = num; + + llvmpipe->dirty |= LP_NEW_SAMPLER; +} + + +void +llvmpipe_set_sampler_textures(struct pipe_context *pipe, + unsigned num, struct pipe_texture **texture) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + uint i; + + assert(num <= PIPE_MAX_SAMPLERS); + + /* Check for no-op */ + if (num == llvmpipe->num_textures && + !memcmp(llvmpipe->texture, texture, num * sizeof(struct pipe_texture *))) + return; + + draw_flush(llvmpipe->draw); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + struct pipe_texture *tex = i < num ? texture[i] : NULL; + + pipe_texture_reference(&llvmpipe->texture[i], tex); + lp_tex_tile_cache_set_texture(llvmpipe->tex_cache[i], tex); + } + + llvmpipe->num_textures = num; + + llvmpipe->dirty |= LP_NEW_TEXTURE; +} + + +void +llvmpipe_delete_sampler_state(struct pipe_context *pipe, + void *sampler) +{ + FREE( sampler ); +} + + + |