| /************************************************************************** |
| * |
| * 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*16 + 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 ); |
| } |