/************************************************************************** * * Copyright 2009 VMware, Inc. * Copyright 2007 VMware, Inc. * 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 VMWARE 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 <keithw@vmware.com> */ #include "util/u_memory.h" #include "util/u_math.h" #include "util/u_dump.h" #include "draw/draw_context.h" #include "lp_screen.h" #include "lp_context.h" #include "lp_state.h" #include "lp_debug.h" static void * llvmpipe_create_blend_state(struct pipe_context *pipe, const struct pipe_blend_state *blend) { struct pipe_blend_state *state = mem_dup(blend, sizeof *blend); int i; if (LP_PERF & PERF_NO_BLEND) { state->independent_blend_enable = 0; for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) state->rt[i].blend_enable = 0; } return state; } static void llvmpipe_bind_blend_state(struct pipe_context *pipe, void *blend) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (llvmpipe->blend == blend) return; draw_flush(llvmpipe->draw); llvmpipe->blend = blend; llvmpipe->dirty |= LP_NEW_BLEND; } static void llvmpipe_delete_blend_state(struct pipe_context *pipe, void *blend) { FREE( blend ); } static void llvmpipe_set_blend_color(struct pipe_context *pipe, const struct pipe_blend_color *blend_color) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if(!blend_color) return; if(memcmp(&llvmpipe->blend_color, blend_color, sizeof *blend_color) == 0) return; draw_flush(llvmpipe->draw); memcpy(&llvmpipe->blend_color, blend_color, sizeof *blend_color); llvmpipe->dirty |= LP_NEW_BLEND_COLOR; } /** XXX move someday? Or consolidate all these simple state setters * into one file. */ static void * llvmpipe_create_depth_stencil_state(struct pipe_context *pipe, const struct pipe_depth_stencil_alpha_state *depth_stencil) { struct pipe_depth_stencil_alpha_state *state; state = mem_dup(depth_stencil, sizeof *depth_stencil); if (LP_PERF & PERF_NO_DEPTH) { state->depth.enabled = 0; state->depth.writemask = 0; state->stencil[0].enabled = 0; state->stencil[1].enabled = 0; } if (LP_PERF & PERF_NO_ALPHATEST) { state->alpha.enabled = 0; } return state; } static void llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe, void *depth_stencil) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (llvmpipe->depth_stencil == depth_stencil) return; draw_flush(llvmpipe->draw); llvmpipe->depth_stencil = depth_stencil; llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA; } static void llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth) { FREE( depth ); } static void llvmpipe_set_stencil_ref(struct pipe_context *pipe, const struct pipe_stencil_ref *stencil_ref) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if(!stencil_ref) return; if(memcmp(&llvmpipe->stencil_ref, stencil_ref, sizeof *stencil_ref) == 0) return; draw_flush(llvmpipe->draw); memcpy(&llvmpipe->stencil_ref, stencil_ref, sizeof *stencil_ref); /* not sure. want new flag? */ llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA; } static void llvmpipe_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (sample_mask != llvmpipe->sample_mask) { llvmpipe->sample_mask = sample_mask; llvmpipe->dirty |= LP_NEW_RASTERIZER; } } void llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe) { llvmpipe->pipe.create_blend_state = llvmpipe_create_blend_state; llvmpipe->pipe.bind_blend_state = llvmpipe_bind_blend_state; llvmpipe->pipe.delete_blend_state = llvmpipe_delete_blend_state; llvmpipe->pipe.create_depth_stencil_alpha_state = llvmpipe_create_depth_stencil_state; llvmpipe->pipe.bind_depth_stencil_alpha_state = llvmpipe_bind_depth_stencil_state; llvmpipe->pipe.delete_depth_stencil_alpha_state = llvmpipe_delete_depth_stencil_state; llvmpipe->pipe.set_blend_color = llvmpipe_set_blend_color; llvmpipe->pipe.set_stencil_ref = llvmpipe_set_stencil_ref; llvmpipe->pipe.set_sample_mask = llvmpipe_set_sample_mask; llvmpipe->sample_mask = ~0; }