1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
32 #include "draw/draw_context.h"
33 #include "util/u_inlines.h"
34 #include "util/u_math.h"
35 #include "util/u_memory.h"
36 #include "tgsi/tgsi_parse.h"
38 #include "i915_context.h"
40 #include "i915_state_inlines.h"
42 #include "i915_resource.h"
44 /* The i915 (and related graphics cores) do not support GL_CLAMP. The
45 * Intel drivers for "other operating systems" implement GL_CLAMP as
46 * GL_CLAMP_TO_EDGE, so the same is done here.
49 translate_wrap_mode(unsigned wrap)
52 case PIPE_TEX_WRAP_REPEAT:
53 return TEXCOORDMODE_WRAP;
54 case PIPE_TEX_WRAP_CLAMP:
55 return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
56 case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
57 return TEXCOORDMODE_CLAMP_EDGE;
58 case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
59 return TEXCOORDMODE_CLAMP_BORDER;
61 case PIPE_TEX_WRAP_MIRRORED_REPEAT:
62 return TEXCOORDMODE_MIRROR;
65 return TEXCOORDMODE_WRAP;
69 static unsigned translate_img_filter( unsigned filter )
72 case PIPE_TEX_FILTER_NEAREST:
73 return FILTER_NEAREST;
74 case PIPE_TEX_FILTER_LINEAR:
78 return FILTER_NEAREST;
82 static unsigned translate_mip_filter( unsigned filter )
85 case PIPE_TEX_MIPFILTER_NONE:
86 return MIPFILTER_NONE;
87 case PIPE_TEX_MIPFILTER_NEAREST:
88 return MIPFILTER_NEAREST;
89 case PIPE_TEX_MIPFILTER_LINEAR:
90 return MIPFILTER_LINEAR;
93 return MIPFILTER_NONE;
98 /* None of this state is actually used for anything yet.
101 i915_create_blend_state(struct pipe_context *pipe,
102 const struct pipe_blend_state *blend)
104 struct i915_blend_state *cso_data = CALLOC_STRUCT( i915_blend_state );
107 unsigned eqRGB = blend->rt[0].rgb_func;
108 unsigned srcRGB = blend->rt[0].rgb_src_factor;
109 unsigned dstRGB = blend->rt[0].rgb_dst_factor;
111 unsigned eqA = blend->rt[0].alpha_func;
112 unsigned srcA = blend->rt[0].alpha_src_factor;
113 unsigned dstA = blend->rt[0].alpha_dst_factor;
115 /* Special handling for MIN/MAX filter modes handled at
116 * state_tracker level.
119 if (srcA != srcRGB ||
123 cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
127 IAB_MODIFY_SRC_FACTOR |
128 IAB_MODIFY_DST_FACTOR |
129 SRC_ABLND_FACT(i915_translate_blend_factor(srcA)) |
130 DST_ABLND_FACT(i915_translate_blend_factor(dstA)) |
131 (i915_translate_blend_func(eqA) << IAB_FUNC_SHIFT));
134 cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
140 cso_data->modes4 |= (_3DSTATE_MODES_4_CMD |
141 ENABLE_LOGIC_OP_FUNC |
142 LOGIC_OP_FUNC(i915_translate_logic_op(blend->logicop_func)));
144 if (blend->logicop_enable)
145 cso_data->LIS5 |= S5_LOGICOP_ENABLE;
148 cso_data->LIS5 |= S5_COLOR_DITHER_ENABLE;
150 if ((blend->rt[0].colormask & PIPE_MASK_R) == 0)
151 cso_data->LIS5 |= S5_WRITEDISABLE_RED;
153 if ((blend->rt[0].colormask & PIPE_MASK_G) == 0)
154 cso_data->LIS5 |= S5_WRITEDISABLE_GREEN;
156 if ((blend->rt[0].colormask & PIPE_MASK_B) == 0)
157 cso_data->LIS5 |= S5_WRITEDISABLE_BLUE;
159 if ((blend->rt[0].colormask & PIPE_MASK_A) == 0)
160 cso_data->LIS5 |= S5_WRITEDISABLE_ALPHA;
162 if (blend->rt[0].blend_enable) {
163 unsigned funcRGB = blend->rt[0].rgb_func;
164 unsigned srcRGB = blend->rt[0].rgb_src_factor;
165 unsigned dstRGB = blend->rt[0].rgb_dst_factor;
167 cso_data->LIS6 |= (S6_CBUF_BLEND_ENABLE |
168 SRC_BLND_FACT(i915_translate_blend_factor(srcRGB)) |
169 DST_BLND_FACT(i915_translate_blend_factor(dstRGB)) |
170 (i915_translate_blend_func(funcRGB) << S6_CBUF_BLEND_FUNC_SHIFT));
176 static void i915_bind_blend_state(struct pipe_context *pipe,
179 struct i915_context *i915 = i915_context(pipe);
180 draw_flush(i915->draw);
182 i915->blend = (struct i915_blend_state*)blend;
184 i915->dirty |= I915_NEW_BLEND;
188 static void i915_delete_blend_state(struct pipe_context *pipe, void *blend)
193 static void i915_set_blend_color( struct pipe_context *pipe,
194 const struct pipe_blend_color *blend_color )
196 struct i915_context *i915 = i915_context(pipe);
197 draw_flush(i915->draw);
199 i915->blend_color = *blend_color;
201 i915->dirty |= I915_NEW_BLEND;
204 static void i915_set_stencil_ref( struct pipe_context *pipe,
205 const struct pipe_stencil_ref *stencil_ref )
207 struct i915_context *i915 = i915_context(pipe);
208 draw_flush(i915->draw);
210 i915->stencil_ref = *stencil_ref;
212 i915->dirty |= I915_NEW_DEPTH_STENCIL;
216 i915_create_sampler_state(struct pipe_context *pipe,
217 const struct pipe_sampler_state *sampler)
219 struct i915_sampler_state *cso = CALLOC_STRUCT( i915_sampler_state );
220 const unsigned ws = sampler->wrap_s;
221 const unsigned wt = sampler->wrap_t;
222 const unsigned wr = sampler->wrap_r;
223 unsigned minFilt, magFilt;
226 cso->templ = sampler;
228 mipFilt = translate_mip_filter(sampler->min_mip_filter);
229 minFilt = translate_img_filter( sampler->min_img_filter );
230 magFilt = translate_img_filter( sampler->mag_img_filter );
232 if (sampler->max_anisotropy > 1)
233 minFilt = magFilt = FILTER_ANISOTROPIC;
235 if (sampler->max_anisotropy > 2) {
236 cso->state[0] |= SS2_MAX_ANISO_4;
240 int b = (int) (sampler->lod_bias * 16.0);
241 b = CLAMP(b, -256, 255);
242 cso->state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
247 if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
249 cso->state[0] |= (SS2_SHADOW_ENABLE |
250 i915_translate_compare_func(sampler->compare_func));
252 minFilt = FILTER_4X4_FLAT;
253 magFilt = FILTER_4X4_FLAT;
256 cso->state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
257 (mipFilt << SS2_MIP_FILTER_SHIFT) |
258 (magFilt << SS2_MAG_FILTER_SHIFT));
261 ((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
262 (translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
263 (translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
265 if (sampler->normalized_coords)
266 cso->state[1] |= SS3_NORMALIZED_COORDS;
269 int minlod = (int) (16.0 * sampler->min_lod);
270 int maxlod = (int) (16.0 * sampler->max_lod);
271 minlod = CLAMP(minlod, 0, 16 * 11);
272 maxlod = CLAMP(maxlod, 0, 16 * 11);
277 cso->minlod = minlod;
278 cso->maxlod = maxlod;
282 ubyte r = float_to_ubyte(sampler->border_color[0]);
283 ubyte g = float_to_ubyte(sampler->border_color[1]);
284 ubyte b = float_to_ubyte(sampler->border_color[2]);
285 ubyte a = float_to_ubyte(sampler->border_color[3]);
286 cso->state[2] = I915PACKCOLOR8888(r, g, b, a);
291 static void i915_bind_sampler_states(struct pipe_context *pipe,
292 unsigned num, void **sampler)
294 struct i915_context *i915 = i915_context(pipe);
297 assert(num <= PIPE_MAX_SAMPLERS);
299 /* Check for no-op */
300 if (num == i915->num_samplers &&
301 !memcmp(i915->sampler, sampler, num * sizeof(void *)))
304 draw_flush(i915->draw);
306 for (i = 0; i < num; ++i)
307 i915->sampler[i] = sampler[i];
308 for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
309 i915->sampler[i] = NULL;
311 i915->num_samplers = num;
313 i915->dirty |= I915_NEW_SAMPLER;
316 static void i915_delete_sampler_state(struct pipe_context *pipe,
323 /** XXX move someday? Or consolidate all these simple state setters
328 i915_create_depth_stencil_state(struct pipe_context *pipe,
329 const struct pipe_depth_stencil_alpha_state *depth_stencil)
331 struct i915_depth_stencil_state *cso = CALLOC_STRUCT( i915_depth_stencil_state );
334 int testmask = depth_stencil->stencil[0].valuemask & 0xff;
335 int writemask = depth_stencil->stencil[0].writemask & 0xff;
337 cso->stencil_modes4 |= (_3DSTATE_MODES_4_CMD |
338 ENABLE_STENCIL_TEST_MASK |
339 STENCIL_TEST_MASK(testmask) |
340 ENABLE_STENCIL_WRITE_MASK |
341 STENCIL_WRITE_MASK(writemask));
344 if (depth_stencil->stencil[0].enabled) {
345 int test = i915_translate_compare_func(depth_stencil->stencil[0].func);
346 int fop = i915_translate_stencil_op(depth_stencil->stencil[0].fail_op);
347 int dfop = i915_translate_stencil_op(depth_stencil->stencil[0].zfail_op);
348 int dpop = i915_translate_stencil_op(depth_stencil->stencil[0].zpass_op);
350 cso->stencil_LIS5 |= (S5_STENCIL_TEST_ENABLE |
351 S5_STENCIL_WRITE_ENABLE |
352 (test << S5_STENCIL_TEST_FUNC_SHIFT) |
353 (fop << S5_STENCIL_FAIL_SHIFT) |
354 (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
355 (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
358 if (depth_stencil->stencil[1].enabled) {
359 int test = i915_translate_compare_func(depth_stencil->stencil[1].func);
360 int fop = i915_translate_stencil_op(depth_stencil->stencil[1].fail_op);
361 int dfop = i915_translate_stencil_op(depth_stencil->stencil[1].zfail_op);
362 int dpop = i915_translate_stencil_op(depth_stencil->stencil[1].zpass_op);
363 int tmask = depth_stencil->stencil[1].valuemask & 0xff;
364 int wmask = depth_stencil->stencil[1].writemask & 0xff;
366 cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
367 BFO_ENABLE_STENCIL_FUNCS |
368 BFO_ENABLE_STENCIL_TWO_SIDE |
369 BFO_ENABLE_STENCIL_REF |
370 BFO_STENCIL_TWO_SIDE |
371 (test << BFO_STENCIL_TEST_SHIFT) |
372 (fop << BFO_STENCIL_FAIL_SHIFT) |
373 (dfop << BFO_STENCIL_PASS_Z_FAIL_SHIFT) |
374 (dpop << BFO_STENCIL_PASS_Z_PASS_SHIFT));
376 cso->bfo[1] = (_3DSTATE_BACKFACE_STENCIL_MASKS |
377 BFM_ENABLE_STENCIL_TEST_MASK |
378 BFM_ENABLE_STENCIL_WRITE_MASK |
379 (tmask << BFM_STENCIL_TEST_MASK_SHIFT) |
380 (wmask << BFM_STENCIL_WRITE_MASK_SHIFT));
383 /* This actually disables two-side stencil: The bit set is a
384 * modify-enable bit to indicate we are changing the two-side
385 * setting. Then there is a symbolic zero to show that we are
386 * setting the flag to zero/off.
388 cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
389 BFO_ENABLE_STENCIL_TWO_SIDE |
394 if (depth_stencil->depth.enabled) {
395 int func = i915_translate_compare_func(depth_stencil->depth.func);
397 cso->depth_LIS6 |= (S6_DEPTH_TEST_ENABLE |
398 (func << S6_DEPTH_TEST_FUNC_SHIFT));
400 if (depth_stencil->depth.writemask)
401 cso->depth_LIS6 |= S6_DEPTH_WRITE_ENABLE;
404 if (depth_stencil->alpha.enabled) {
405 int test = i915_translate_compare_func(depth_stencil->alpha.func);
406 ubyte refByte = float_to_ubyte(depth_stencil->alpha.ref_value);
408 cso->depth_LIS6 |= (S6_ALPHA_TEST_ENABLE |
409 (test << S6_ALPHA_TEST_FUNC_SHIFT) |
410 (((unsigned) refByte) << S6_ALPHA_REF_SHIFT));
416 static void i915_bind_depth_stencil_state(struct pipe_context *pipe,
419 struct i915_context *i915 = i915_context(pipe);
420 draw_flush(i915->draw);
422 i915->depth_stencil = (const struct i915_depth_stencil_state *)depth_stencil;
424 i915->dirty |= I915_NEW_DEPTH_STENCIL;
427 static void i915_delete_depth_stencil_state(struct pipe_context *pipe,
434 static void i915_set_scissor_state( struct pipe_context *pipe,
435 const struct pipe_scissor_state *scissor )
437 struct i915_context *i915 = i915_context(pipe);
438 draw_flush(i915->draw);
440 memcpy( &i915->scissor, scissor, sizeof(*scissor) );
441 i915->dirty |= I915_NEW_SCISSOR;
445 static void i915_set_polygon_stipple( struct pipe_context *pipe,
446 const struct pipe_poly_stipple *stipple )
453 i915_create_fs_state(struct pipe_context *pipe,
454 const struct pipe_shader_state *templ)
456 struct i915_context *i915 = i915_context(pipe);
457 struct i915_fragment_shader *ifs = CALLOC_STRUCT(i915_fragment_shader);
461 ifs->state.tokens = tgsi_dup_tokens(templ->tokens);
463 tgsi_scan_shader(templ->tokens, &ifs->info);
465 /* The shader's compiled to i915 instructions here */
466 i915_translate_fragment_program(i915, ifs);
472 i915_bind_fs_state(struct pipe_context *pipe, void *shader)
474 struct i915_context *i915 = i915_context(pipe);
475 draw_flush(i915->draw);
477 i915->fs = (struct i915_fragment_shader*) shader;
479 i915->dirty |= I915_NEW_FS;
483 void i915_delete_fs_state(struct pipe_context *pipe, void *shader)
485 struct i915_fragment_shader *ifs = (struct i915_fragment_shader *) shader;
489 ifs->program_len = 0;
491 FREE((struct tgsi_token *)ifs->state.tokens);
498 i915_create_vs_state(struct pipe_context *pipe,
499 const struct pipe_shader_state *templ)
501 struct i915_context *i915 = i915_context(pipe);
503 /* just pass-through to draw module */
504 return draw_create_vertex_shader(i915->draw, templ);
507 static void i915_bind_vs_state(struct pipe_context *pipe, void *shader)
509 struct i915_context *i915 = i915_context(pipe);
511 /* just pass-through to draw module */
512 draw_bind_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
514 i915->dirty |= I915_NEW_VS;
517 static void i915_delete_vs_state(struct pipe_context *pipe, void *shader)
519 struct i915_context *i915 = i915_context(pipe);
521 /* just pass-through to draw module */
522 draw_delete_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
525 static void i915_set_constant_buffer(struct pipe_context *pipe,
526 uint shader, uint index,
527 struct pipe_resource *buf)
529 struct i915_context *i915 = i915_context(pipe);
530 struct i915_buffer *ir = i915_buffer(buf);
531 draw_flush(i915->draw);
533 assert(shader < PIPE_SHADER_TYPES);
536 /* Make a copy of shader constants.
537 * During fragment program translation we may add additional
538 * constants to the array.
540 * We want to consider the situation where some user constants
541 * (ex: a material color) may change frequently but the shader program
542 * stays the same. In that case we should only be updating the first
543 * N constants, leaving any extras from shader translation alone.
546 memcpy(i915->current.constants[shader], ir->data, ir->b.b.width0);
547 i915->current.num_user_constants[shader] = (ir->b.b.width0 /
551 i915->current.num_user_constants[shader] = 0;
555 i915->dirty |= I915_NEW_CONSTANTS;
559 static void i915_set_fragment_sampler_views(struct pipe_context *pipe,
561 struct pipe_sampler_view **views)
563 struct i915_context *i915 = i915_context(pipe);
566 assert(num <= PIPE_MAX_SAMPLERS);
568 /* Check for no-op */
569 if (num == i915->num_fragment_sampler_views &&
570 !memcmp(i915->fragment_sampler_views, views, num * sizeof(struct pipe_sampler_view *)))
573 /* Fixes wrong texture in texobj with VBUF */
574 draw_flush(i915->draw);
576 for (i = 0; i < num; i++)
577 pipe_sampler_view_reference(&i915->fragment_sampler_views[i],
580 for (i = num; i < i915->num_fragment_sampler_views; i++)
581 pipe_sampler_view_reference(&i915->fragment_sampler_views[i],
584 i915->num_fragment_sampler_views = num;
586 i915->dirty |= I915_NEW_SAMPLER_VIEW;
590 static struct pipe_sampler_view *
591 i915_create_sampler_view(struct pipe_context *pipe,
592 struct pipe_resource *texture,
593 const struct pipe_sampler_view *templ)
595 struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
599 view->reference.count = 1;
600 view->texture = NULL;
601 pipe_resource_reference(&view->texture, texture);
602 view->context = pipe;
610 i915_sampler_view_destroy(struct pipe_context *pipe,
611 struct pipe_sampler_view *view)
613 pipe_resource_reference(&view->texture, NULL);
618 static void i915_set_framebuffer_state(struct pipe_context *pipe,
619 const struct pipe_framebuffer_state *fb)
621 struct i915_context *i915 = i915_context(pipe);
624 draw_flush(i915->draw);
626 i915->framebuffer.width = fb->width;
627 i915->framebuffer.height = fb->height;
628 i915->framebuffer.nr_cbufs = fb->nr_cbufs;
629 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
630 pipe_surface_reference(&i915->framebuffer.cbufs[i], fb->cbufs[i]);
632 pipe_surface_reference(&i915->framebuffer.zsbuf, fb->zsbuf);
634 i915->dirty |= I915_NEW_FRAMEBUFFER;
639 static void i915_set_clip_state( struct pipe_context *pipe,
640 const struct pipe_clip_state *clip )
642 struct i915_context *i915 = i915_context(pipe);
643 draw_flush(i915->draw);
645 draw_set_clip_state(i915->draw, clip);
647 i915->dirty |= I915_NEW_CLIP;
652 /* Called when driver state tracker notices changes to the viewport
655 static void i915_set_viewport_state( struct pipe_context *pipe,
656 const struct pipe_viewport_state *viewport )
658 struct i915_context *i915 = i915_context(pipe);
660 i915->viewport = *viewport; /* struct copy */
662 /* pass the viewport info to the draw module */
663 draw_set_viewport_state(i915->draw, &i915->viewport);
665 i915->dirty |= I915_NEW_VIEWPORT;
670 i915_create_rasterizer_state(struct pipe_context *pipe,
671 const struct pipe_rasterizer_state *rasterizer)
673 struct i915_rasterizer_state *cso = CALLOC_STRUCT( i915_rasterizer_state );
675 cso->templ = rasterizer;
676 cso->color_interp = rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
677 cso->light_twoside = rasterizer->light_twoside;
678 cso->ds[0].u = _3DSTATE_DEPTH_OFFSET_SCALE;
679 cso->ds[1].f = rasterizer->offset_scale;
680 if (rasterizer->poly_stipple_enable) {
681 cso->st |= ST1_ENABLE;
684 if (rasterizer->scissor)
685 cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT;
687 cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT;
689 switch (rasterizer->cull_mode) {
690 case PIPE_WINDING_NONE:
691 cso->LIS4 |= S4_CULLMODE_NONE;
693 case PIPE_WINDING_CW:
694 cso->LIS4 |= S4_CULLMODE_CW;
696 case PIPE_WINDING_CCW:
697 cso->LIS4 |= S4_CULLMODE_CCW;
699 case PIPE_WINDING_BOTH:
700 cso->LIS4 |= S4_CULLMODE_BOTH;
705 int line_width = CLAMP((int)(rasterizer->line_width * 2), 1, 0xf);
707 cso->LIS4 |= line_width << S4_LINE_WIDTH_SHIFT;
709 if (rasterizer->line_smooth)
710 cso->LIS4 |= S4_LINE_ANTIALIAS_ENABLE;
714 int point_size = CLAMP((int) rasterizer->point_size, 1, 0xff);
716 cso->LIS4 |= point_size << S4_POINT_WIDTH_SHIFT;
719 if (rasterizer->flatshade) {
720 cso->LIS4 |= (S4_FLATSHADE_ALPHA |
722 S4_FLATSHADE_SPECULAR);
725 cso->LIS7 = fui( rasterizer->offset_units );
731 static void i915_bind_rasterizer_state( struct pipe_context *pipe,
734 struct i915_context *i915 = i915_context(pipe);
736 i915->rasterizer = (struct i915_rasterizer_state *)raster;
738 /* pass-through to draw module */
739 draw_set_rasterizer_state(i915->draw,
740 (i915->rasterizer ? i915->rasterizer->templ : NULL));
742 i915->dirty |= I915_NEW_RASTERIZER;
745 static void i915_delete_rasterizer_state(struct pipe_context *pipe,
751 static void i915_set_vertex_buffers(struct pipe_context *pipe,
753 const struct pipe_vertex_buffer *buffers)
755 struct i915_context *i915 = i915_context(pipe);
756 /* Because we change state before the draw_set_vertex_buffers call
757 * we need a flush here, just to be sure.
759 draw_flush(i915->draw);
761 memcpy(i915->vertex_buffer, buffers, count * sizeof(buffers[0]));
762 i915->num_vertex_buffers = count;
764 /* pass-through to draw module */
765 draw_set_vertex_buffers(i915->draw, count, buffers);
769 i915_create_vertex_elements_state(struct pipe_context *pipe,
771 const struct pipe_vertex_element *attribs)
773 struct i915_velems_state *velems;
774 assert(count <= PIPE_MAX_ATTRIBS);
775 velems = (struct i915_velems_state *) MALLOC(sizeof(struct i915_velems_state));
777 velems->count = count;
778 memcpy(velems->velem, attribs, sizeof(*attribs) * count);
784 i915_bind_vertex_elements_state(struct pipe_context *pipe,
787 struct i915_context *i915 = i915_context(pipe);
788 struct i915_velems_state *i915_velems = (struct i915_velems_state *) velems;
790 /* Because we change state before the draw_set_vertex_buffers call
791 * we need a flush here, just to be sure.
793 draw_flush(i915->draw);
795 /* pass-through to draw module */
797 draw_set_vertex_elements(i915->draw,
798 i915_velems->count, i915_velems->velem);
803 i915_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
809 i915_init_state_functions( struct i915_context *i915 )
811 i915->base.create_blend_state = i915_create_blend_state;
812 i915->base.bind_blend_state = i915_bind_blend_state;
813 i915->base.delete_blend_state = i915_delete_blend_state;
815 i915->base.create_sampler_state = i915_create_sampler_state;
816 i915->base.bind_fragment_sampler_states = i915_bind_sampler_states;
817 i915->base.delete_sampler_state = i915_delete_sampler_state;
819 i915->base.create_depth_stencil_alpha_state = i915_create_depth_stencil_state;
820 i915->base.bind_depth_stencil_alpha_state = i915_bind_depth_stencil_state;
821 i915->base.delete_depth_stencil_alpha_state = i915_delete_depth_stencil_state;
823 i915->base.create_rasterizer_state = i915_create_rasterizer_state;
824 i915->base.bind_rasterizer_state = i915_bind_rasterizer_state;
825 i915->base.delete_rasterizer_state = i915_delete_rasterizer_state;
826 i915->base.create_fs_state = i915_create_fs_state;
827 i915->base.bind_fs_state = i915_bind_fs_state;
828 i915->base.delete_fs_state = i915_delete_fs_state;
829 i915->base.create_vs_state = i915_create_vs_state;
830 i915->base.bind_vs_state = i915_bind_vs_state;
831 i915->base.delete_vs_state = i915_delete_vs_state;
832 i915->base.create_vertex_elements_state = i915_create_vertex_elements_state;
833 i915->base.bind_vertex_elements_state = i915_bind_vertex_elements_state;
834 i915->base.delete_vertex_elements_state = i915_delete_vertex_elements_state;
836 i915->base.set_blend_color = i915_set_blend_color;
837 i915->base.set_stencil_ref = i915_set_stencil_ref;
838 i915->base.set_clip_state = i915_set_clip_state;
839 i915->base.set_constant_buffer = i915_set_constant_buffer;
840 i915->base.set_framebuffer_state = i915_set_framebuffer_state;
842 i915->base.set_polygon_stipple = i915_set_polygon_stipple;
843 i915->base.set_scissor_state = i915_set_scissor_state;
844 i915->base.set_fragment_sampler_views = i915_set_fragment_sampler_views;
845 i915->base.create_sampler_view = i915_create_sampler_view;
846 i915->base.sampler_view_destroy = i915_sampler_view_destroy;
847 i915->base.set_viewport_state = i915_set_viewport_state;
848 i915->base.set_vertex_buffers = i915_set_vertex_buffers;