1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Copyright 2008 VMware, Inc. All rights reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "draw/draw_context.h"
34 #include "draw/draw_vbuf.h"
35 #include "pipe/p_defines.h"
36 #include "util/u_inlines.h"
37 #include "util/u_math.h"
38 #include "util/u_memory.h"
40 #include "lp_context.h"
44 #include "lp_surface.h"
49 #define USE_DRAW_LLVM 0
52 static void llvmpipe_destroy( struct pipe_context
*pipe
)
54 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
59 /* This will also destroy llvmpipe->setup:
62 draw_destroy( llvmpipe
->draw
);
64 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
65 pipe_surface_reference(&llvmpipe
->framebuffer
.cbufs
[i
], NULL
);
68 pipe_surface_reference(&llvmpipe
->framebuffer
.zsbuf
, NULL
);
70 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
71 pipe_sampler_view_reference(&llvmpipe
->fragment_sampler_views
[i
], NULL
);
74 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
75 pipe_sampler_view_reference(&llvmpipe
->vertex_sampler_views
[i
], NULL
);
78 for (i
= 0; i
< Elements(llvmpipe
->constants
); i
++) {
79 if (llvmpipe
->constants
[i
]) {
80 pipe_resource_reference(&llvmpipe
->constants
[i
], NULL
);
84 align_free( llvmpipe
);
89 llvmpipe_create_context( struct pipe_screen
*screen
, void *priv
)
91 struct llvmpipe_context
*llvmpipe
;
93 llvmpipe
= align_malloc(sizeof(struct llvmpipe_context
), 16);
99 memset(llvmpipe
, 0, sizeof *llvmpipe
);
101 llvmpipe
->pipe
.winsys
= screen
->winsys
;
102 llvmpipe
->pipe
.screen
= screen
;
103 llvmpipe
->pipe
.priv
= priv
;
104 llvmpipe
->pipe
.destroy
= llvmpipe_destroy
;
107 llvmpipe
->pipe
.create_blend_state
= llvmpipe_create_blend_state
;
108 llvmpipe
->pipe
.bind_blend_state
= llvmpipe_bind_blend_state
;
109 llvmpipe
->pipe
.delete_blend_state
= llvmpipe_delete_blend_state
;
111 llvmpipe
->pipe
.create_sampler_state
= llvmpipe_create_sampler_state
;
112 llvmpipe
->pipe
.bind_fragment_sampler_states
= llvmpipe_bind_sampler_states
;
113 llvmpipe
->pipe
.bind_vertex_sampler_states
= llvmpipe_bind_vertex_sampler_states
;
114 llvmpipe
->pipe
.delete_sampler_state
= llvmpipe_delete_sampler_state
;
116 llvmpipe
->pipe
.create_depth_stencil_alpha_state
= llvmpipe_create_depth_stencil_state
;
117 llvmpipe
->pipe
.bind_depth_stencil_alpha_state
= llvmpipe_bind_depth_stencil_state
;
118 llvmpipe
->pipe
.delete_depth_stencil_alpha_state
= llvmpipe_delete_depth_stencil_state
;
120 llvmpipe
->pipe
.create_rasterizer_state
= llvmpipe_create_rasterizer_state
;
121 llvmpipe
->pipe
.bind_rasterizer_state
= llvmpipe_bind_rasterizer_state
;
122 llvmpipe
->pipe
.delete_rasterizer_state
= llvmpipe_delete_rasterizer_state
;
124 llvmpipe
->pipe
.create_fs_state
= llvmpipe_create_fs_state
;
125 llvmpipe
->pipe
.bind_fs_state
= llvmpipe_bind_fs_state
;
126 llvmpipe
->pipe
.delete_fs_state
= llvmpipe_delete_fs_state
;
128 llvmpipe
->pipe
.create_vs_state
= llvmpipe_create_vs_state
;
129 llvmpipe
->pipe
.bind_vs_state
= llvmpipe_bind_vs_state
;
130 llvmpipe
->pipe
.delete_vs_state
= llvmpipe_delete_vs_state
;
132 llvmpipe
->pipe
.create_vertex_elements_state
= llvmpipe_create_vertex_elements_state
;
133 llvmpipe
->pipe
.bind_vertex_elements_state
= llvmpipe_bind_vertex_elements_state
;
134 llvmpipe
->pipe
.delete_vertex_elements_state
= llvmpipe_delete_vertex_elements_state
;
136 llvmpipe
->pipe
.set_blend_color
= llvmpipe_set_blend_color
;
137 llvmpipe
->pipe
.set_stencil_ref
= llvmpipe_set_stencil_ref
;
138 llvmpipe
->pipe
.set_clip_state
= llvmpipe_set_clip_state
;
139 llvmpipe
->pipe
.set_constant_buffer
= llvmpipe_set_constant_buffer
;
140 llvmpipe
->pipe
.set_framebuffer_state
= llvmpipe_set_framebuffer_state
;
141 llvmpipe
->pipe
.set_polygon_stipple
= llvmpipe_set_polygon_stipple
;
142 llvmpipe
->pipe
.set_scissor_state
= llvmpipe_set_scissor_state
;
143 llvmpipe
->pipe
.set_fragment_sampler_views
= llvmpipe_set_fragment_sampler_views
;
144 llvmpipe
->pipe
.set_vertex_sampler_views
= llvmpipe_set_vertex_sampler_views
;
145 llvmpipe
->pipe
.create_sampler_view
= llvmpipe_create_sampler_view
;
146 llvmpipe
->pipe
.sampler_view_destroy
= llvmpipe_sampler_view_destroy
;
147 llvmpipe
->pipe
.set_viewport_state
= llvmpipe_set_viewport_state
;
149 llvmpipe
->pipe
.set_vertex_buffers
= llvmpipe_set_vertex_buffers
;
151 llvmpipe
->pipe
.draw_arrays
= llvmpipe_draw_arrays
;
152 llvmpipe
->pipe
.draw_elements
= llvmpipe_draw_elements
;
153 llvmpipe
->pipe
.draw_range_elements
= llvmpipe_draw_range_elements
;
155 llvmpipe
->pipe
.clear
= llvmpipe_clear
;
156 llvmpipe
->pipe
.flush
= llvmpipe_flush
;
159 llvmpipe_init_query_funcs( llvmpipe
);
160 llvmpipe_init_context_resource_funcs( &llvmpipe
->pipe
);
163 * Create drawing context and plug our rendering stage into it.
166 llvmpipe
->draw
= draw_create_with_llvm(&llvmpipe
->pipe
);
168 llvmpipe
->draw
= draw_create(&llvmpipe
->pipe
);
173 /* FIXME: devise alternative to draw_texture_samplers */
175 if (debug_get_bool_option( "LP_NO_RAST", FALSE
))
176 llvmpipe
->no_rast
= TRUE
;
178 llvmpipe
->setup
= lp_setup_create( &llvmpipe
->pipe
,
180 if (!llvmpipe
->setup
)
183 /* plug in AA line/point stages */
184 draw_install_aaline_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
185 draw_install_aapoint_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
186 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
188 /* convert points and lines into triangles: */
189 draw_wide_point_threshold(llvmpipe
->draw
, 0.0);
190 draw_wide_line_threshold(llvmpipe
->draw
, 0.0);
192 #if USE_DRAW_STAGE_PSTIPPLE
193 /* Do polygon stipple w/ texture map + frag prog? */
194 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
197 lp_init_surface_functions(llvmpipe
);
201 return &llvmpipe
->pipe
;
204 llvmpipe_destroy(&llvmpipe
->pipe
);