diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_blend.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_blend.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_blend.c b/src/gallium/drivers/llvmpipe/lp_state_blend.c new file mode 100644 index 0000000000..3f03bd0057 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_state_blend.c @@ -0,0 +1,114 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * 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. + * + **************************************************************************/ + +/** + * @author Jose Fonseca <jfonseca@vmware.com> + * @author Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "util/u_memory.h" +#include "util/u_math.h" +#include "util/u_debug_dump.h" +#include "lp_screen.h" +#include "lp_context.h" +#include "lp_state.h" + + +void * +llvmpipe_create_blend_state(struct pipe_context *pipe, + const struct pipe_blend_state *blend) +{ + return mem_dup(blend, sizeof(*blend)); +} + +void llvmpipe_bind_blend_state( struct pipe_context *pipe, + void *blend ) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + + llvmpipe->blend = blend; + + llvmpipe->dirty |= LP_NEW_BLEND; +} + +void llvmpipe_delete_blend_state(struct pipe_context *pipe, + void *blend) +{ + FREE( blend ); +} + + +void llvmpipe_set_blend_color( struct pipe_context *pipe, + const struct pipe_blend_color *blend_color ) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + unsigned i, j; + + memcpy(&llvmpipe->blend_color, blend_color, sizeof *blend_color); + + if(!llvmpipe->jit_context.blend_color) + llvmpipe->jit_context.blend_color = align_malloc(4 * 16, 16); + for (i = 0; i < 4; ++i) { + uint8_t c = float_to_ubyte(blend_color->color[i]); + for (j = 0; j < 16; ++j) + llvmpipe->jit_context.blend_color[i*4 + j] = c; + } +} + + +/** XXX move someday? Or consolidate all these simple state setters + * into one file. + */ + + +void * +llvmpipe_create_depth_stencil_state(struct pipe_context *pipe, + const struct pipe_depth_stencil_alpha_state *depth_stencil) +{ + return mem_dup(depth_stencil, sizeof(*depth_stencil)); +} + +void +llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe, + void *depth_stencil) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + + llvmpipe->depth_stencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil; + + if(llvmpipe->depth_stencil) + llvmpipe->jit_context.alpha_ref_value = llvmpipe->depth_stencil->alpha.ref_value; + + llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA; +} + +void +llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth) +{ + FREE( depth ); +} |