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1 /*
2  * Copyright (C) 2009-2010 Francisco Jerez.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the
14  * next paragraph) shall be included in all copies or substantial
15  * portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  *
25  */
26 
27 #include <stdbool.h>
28 #include "nouveau_driver.h"
29 #include "nouveau_context.h"
30 #include "nouveau_fbo.h"
31 #include "nouveau_util.h"
32 #include "nv_object.xml.h"
33 #include "nv20_3d.xml.h"
34 #include "nv04_driver.h"
35 #include "nv10_driver.h"
36 #include "nv20_driver.h"
37 
38 static void
nv20_clear(struct gl_context * ctx,GLbitfield buffers)39 nv20_clear(struct gl_context *ctx, GLbitfield buffers)
40 {
41 	struct nouveau_context *nctx = to_nouveau_context(ctx);
42 	struct nouveau_pushbuf *push = context_push(ctx);
43 	struct gl_framebuffer *fb = ctx->DrawBuffer;
44 	uint32_t clear = 0;
45 
46 	nouveau_validate_framebuffer(ctx);
47 
48 	nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
49 	if (nouveau_pushbuf_validate(push)) {
50 		nouveau_pushbuf_bufctx(push, NULL);
51 		return;
52 	}
53 
54 	if (buffers & BUFFER_BITS_COLOR) {
55 		struct nouveau_surface *s = &to_nouveau_renderbuffer(
56 			fb->_ColorDrawBuffers[0])->surface;
57 
58 		if (ctx->Color.ColorMask[0][RCOMP])
59 			clear |= NV20_3D_CLEAR_BUFFERS_COLOR_R;
60 		if (ctx->Color.ColorMask[0][GCOMP])
61 			clear |= NV20_3D_CLEAR_BUFFERS_COLOR_G;
62 		if (ctx->Color.ColorMask[0][BCOMP])
63 			clear |= NV20_3D_CLEAR_BUFFERS_COLOR_B;
64 		if (ctx->Color.ColorMask[0][ACOMP])
65 			clear |= NV20_3D_CLEAR_BUFFERS_COLOR_A;
66 
67 		BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
68 		PUSH_DATA (push, pack_rgba_clamp_f(s->format, ctx->Color.ClearColor.f));
69 
70 		buffers &= ~BUFFER_BITS_COLOR;
71 	}
72 
73 	if (buffers & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
74 		struct nouveau_surface *s = &to_nouveau_renderbuffer(
75 			fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
76 
77 		if (buffers & BUFFER_BIT_DEPTH && ctx->Depth.Mask)
78 			clear |= NV20_3D_CLEAR_BUFFERS_DEPTH;
79 		if (buffers & BUFFER_BIT_STENCIL && ctx->Stencil.WriteMask[0])
80 			clear |= NV20_3D_CLEAR_BUFFERS_STENCIL;
81 
82 		BEGIN_NV04(push, NV20_3D(CLEAR_DEPTH_VALUE), 1);
83 		PUSH_DATA (push, pack_zs_f(s->format, ctx->Depth.Clear,
84 					 ctx->Stencil.Clear));
85 
86 		buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
87 	}
88 
89 	BEGIN_NV04(push, NV20_3D(CLEAR_BUFFERS), 1);
90 	PUSH_DATA (push, clear);
91 
92 	nouveau_pushbuf_bufctx(push, NULL);
93 	nouveau_clear(ctx, buffers);
94 }
95 
96 static void
nv20_hwctx_init(struct gl_context * ctx)97 nv20_hwctx_init(struct gl_context *ctx)
98 {
99 	struct nouveau_pushbuf *push = context_push(ctx);
100 	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
101 	struct nv04_fifo *fifo = hw->chan->data;
102 	int i;
103 
104 	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
105 	PUSH_DATA (push, hw->eng3d->handle);
106 	BEGIN_NV04(push, NV20_3D(DMA_NOTIFY), 1);
107 	PUSH_DATA (push, hw->ntfy->handle);
108 	BEGIN_NV04(push, NV20_3D(DMA_TEXTURE0), 2);
109 	PUSH_DATA (push, fifo->vram);
110 	PUSH_DATA (push, fifo->gart);
111 	BEGIN_NV04(push, NV20_3D(DMA_COLOR), 2);
112 	PUSH_DATA (push, fifo->vram);
113 	PUSH_DATA (push, fifo->vram);
114 	BEGIN_NV04(push, NV20_3D(DMA_VTXBUF0), 2);
115 	PUSH_DATA (push, fifo->vram);
116 	PUSH_DATA (push, fifo->gart);
117 
118 	BEGIN_NV04(push, NV20_3D(DMA_QUERY), 1);
119 	PUSH_DATA (push, 0);
120 
121 	BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
122 	PUSH_DATA (push, 0);
123 	PUSH_DATA (push, 0);
124 
125 	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
126 	PUSH_DATA (push, 0xfff << 16 | 0x0);
127 	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(0)), 1);
128 	PUSH_DATA (push, 0xfff << 16 | 0x0);
129 
130 	for (i = 1; i < NV20_3D_VIEWPORT_CLIP_HORIZ__LEN; i++) {
131 		BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(i)), 1);
132 		PUSH_DATA (push, 0);
133 		BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(i)), 1);
134 		PUSH_DATA (push, 0);
135 	}
136 
137 	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_MODE), 1);
138 	PUSH_DATA (push, 0);
139 
140 	BEGIN_NV04(push, SUBC_3D(0x17e0), 3);
141 	PUSH_DATAf(push, 0.0);
142 	PUSH_DATAf(push, 0.0);
143 	PUSH_DATAf(push, 1.0);
144 
145 	if (context_chipset(ctx) >= 0x25) {
146 		BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
147 		PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL | 0xdb0);
148 	} else {
149 		BEGIN_NV04(push, SUBC_3D(0x1e68), 1);
150 		PUSH_DATA (push, 0x4b800000); /* 16777216.000000 */
151 		BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
152 		PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL);
153 	}
154 
155 	BEGIN_NV04(push, SUBC_3D(0x290), 1);
156 	PUSH_DATA (push, 0x10 << 16 | 1);
157 	BEGIN_NV04(push, SUBC_3D(0x9fc), 1);
158 	PUSH_DATA (push, 0);
159 	BEGIN_NV04(push, SUBC_3D(0x1d80), 1);
160 	PUSH_DATA (push, 1);
161 	BEGIN_NV04(push, SUBC_3D(0x9f8), 1);
162 	PUSH_DATA (push, 4);
163 	BEGIN_NV04(push, SUBC_3D(0x17ec), 3);
164 	PUSH_DATAf(push, 0.0);
165 	PUSH_DATAf(push, 1.0);
166 	PUSH_DATAf(push, 0.0);
167 
168 	if (context_chipset(ctx) >= 0x25) {
169 		BEGIN_NV04(push, SUBC_3D(0x1d88), 1);
170 		PUSH_DATA (push, 3);
171 
172 		BEGIN_NV04(push, NV25_3D(DMA_HIERZ), 1);
173 		PUSH_DATA (push, fifo->vram);
174 		BEGIN_NV04(push, NV25_3D(UNK01AC), 1);
175 		PUSH_DATA (push, fifo->vram);
176 	}
177 
178 	BEGIN_NV04(push, NV20_3D(DMA_FENCE), 1);
179 	PUSH_DATA (push, 0);
180 
181 	BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
182 	PUSH_DATA (push, 0);
183 
184 	BEGIN_NV04(push, NV04_GRAPH(3D, NOTIFY), 1);
185 	PUSH_DATA (push, 0);
186 
187 	BEGIN_NV04(push, SUBC_3D(0x120), 3);
188 	PUSH_DATA (push, 0);
189 	PUSH_DATA (push, 1);
190 	PUSH_DATA (push, 2);
191 
192 	if (context_chipset(ctx) >= 0x25) {
193 		BEGIN_NV04(push, SUBC_3D(0x1da4), 1);
194 		PUSH_DATA (push, 0);
195 	}
196 
197 	BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
198 	PUSH_DATA (push, 0 << 16 | 0);
199 	PUSH_DATA (push, 0 << 16 | 0);
200 
201 	BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_ENABLE), 1);
202 	PUSH_DATA (push, 0);
203 	BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_FUNC), 2);
204 	PUSH_DATA (push, NV20_3D_ALPHA_FUNC_FUNC_ALWAYS);
205 	PUSH_DATA (push, 0);
206 
207 	for (i = 0; i < NV20_3D_TEX__LEN; i++) {
208 		BEGIN_NV04(push, NV20_3D(TEX_ENABLE(i)), 1);
209 		PUSH_DATA (push, 0);
210 	}
211 
212 	BEGIN_NV04(push, NV20_3D(TEX_SHADER_OP), 1);
213 	PUSH_DATA (push, 0);
214 	BEGIN_NV04(push, NV20_3D(TEX_SHADER_CULL_MODE), 1);
215 	PUSH_DATA (push, 0);
216 
217 	BEGIN_NV04(push, NV20_3D(RC_IN_ALPHA(0)), 4);
218 	PUSH_DATA (push, 0x30d410d0);
219 	PUSH_DATA (push, 0);
220 	PUSH_DATA (push, 0);
221 	PUSH_DATA (push, 0);
222 	BEGIN_NV04(push, NV20_3D(RC_OUT_RGB(0)), 4);
223 	PUSH_DATA (push, 0x00000c00);
224 	PUSH_DATA (push, 0);
225 	PUSH_DATA (push, 0);
226 	PUSH_DATA (push, 0);
227 	BEGIN_NV04(push, NV20_3D(RC_ENABLE), 1);
228 	PUSH_DATA (push, 0x00011101);
229 	BEGIN_NV04(push, NV20_3D(RC_FINAL0), 2);
230 	PUSH_DATA (push, 0x130e0300);
231 	PUSH_DATA (push, 0x0c091c80);
232 	BEGIN_NV04(push, NV20_3D(RC_OUT_ALPHA(0)), 4);
233 	PUSH_DATA (push, 0x00000c00);
234 	PUSH_DATA (push, 0);
235 	PUSH_DATA (push, 0);
236 	PUSH_DATA (push, 0);
237 	BEGIN_NV04(push, NV20_3D(RC_IN_RGB(0)), 4);
238 	PUSH_DATA (push, 0x20c400c0);
239 	PUSH_DATA (push, 0);
240 	PUSH_DATA (push, 0);
241 	PUSH_DATA (push, 0);
242 	BEGIN_NV04(push, NV20_3D(RC_COLOR0), 2);
243 	PUSH_DATA (push, 0);
244 	PUSH_DATA (push, 0);
245 	BEGIN_NV04(push, NV20_3D(RC_CONSTANT_COLOR0(0)), 4);
246 	PUSH_DATA (push, 0x035125a0);
247 	PUSH_DATA (push, 0);
248 	PUSH_DATA (push, 0x40002000);
249 	PUSH_DATA (push, 0);
250 
251 	BEGIN_NV04(push, NV20_3D(MULTISAMPLE_CONTROL), 1);
252 	PUSH_DATA (push, 0xffff0000);
253 	BEGIN_NV04(push, NV20_3D(BLEND_FUNC_ENABLE), 1);
254 	PUSH_DATA (push, 0);
255 	BEGIN_NV04(push, NV20_3D(DITHER_ENABLE), 1);
256 	PUSH_DATA (push, 0);
257 	BEGIN_NV04(push, NV20_3D(STENCIL_ENABLE), 1);
258 	PUSH_DATA (push, 0);
259 	BEGIN_NV04(push, NV20_3D(BLEND_FUNC_SRC), 4);
260 	PUSH_DATA (push, NV20_3D_BLEND_FUNC_SRC_ONE);
261 	PUSH_DATA (push, NV20_3D_BLEND_FUNC_DST_ZERO);
262 	PUSH_DATA (push, 0);
263 	PUSH_DATA (push, NV20_3D_BLEND_EQUATION_FUNC_ADD);
264 	BEGIN_NV04(push, NV20_3D(STENCIL_MASK), 7);
265 	PUSH_DATA (push, 0xff);
266 	PUSH_DATA (push, NV20_3D_STENCIL_FUNC_FUNC_ALWAYS);
267 	PUSH_DATA (push, 0);
268 	PUSH_DATA (push, 0xff);
269 	PUSH_DATA (push, NV20_3D_STENCIL_OP_FAIL_KEEP);
270 	PUSH_DATA (push, NV20_3D_STENCIL_OP_ZFAIL_KEEP);
271 	PUSH_DATA (push, NV20_3D_STENCIL_OP_ZPASS_KEEP);
272 
273 	BEGIN_NV04(push, NV20_3D(COLOR_LOGIC_OP_ENABLE), 2);
274 	PUSH_DATA (push, 0);
275 	PUSH_DATA (push, NV20_3D_COLOR_LOGIC_OP_OP_COPY);
276 	BEGIN_NV04(push, SUBC_3D(0x17cc), 1);
277 	PUSH_DATA (push, 0);
278 	if (context_chipset(ctx) >= 0x25) {
279 		BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
280 		PUSH_DATA (push, 1);
281 	}
282 	BEGIN_NV04(push, NV20_3D(LIGHTING_ENABLE), 1);
283 	PUSH_DATA (push, 0);
284 	BEGIN_NV04(push, NV20_3D(LIGHT_MODEL), 1);
285 	PUSH_DATA (push, NV20_3D_LIGHT_MODEL_VIEWER_NONLOCAL);
286 	BEGIN_NV04(push, NV20_3D(SEPARATE_SPECULAR_ENABLE), 1);
287 	PUSH_DATA (push, 0);
288 	BEGIN_NV04(push, NV20_3D(LIGHT_MODEL_TWO_SIDE_ENABLE), 1);
289 	PUSH_DATA (push, 0);
290 	BEGIN_NV04(push, NV20_3D(ENABLED_LIGHTS), 1);
291 	PUSH_DATA (push, 0);
292 	BEGIN_NV04(push, NV20_3D(NORMALIZE_ENABLE), 1);
293 	PUSH_DATA (push, 0);
294 	BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_PATTERN(0)),
295 		   NV20_3D_POLYGON_STIPPLE_PATTERN__LEN);
296 	for (i = 0; i < NV20_3D_POLYGON_STIPPLE_PATTERN__LEN; i++) {
297 		PUSH_DATA (push, 0xffffffff);
298 	}
299 
300 	BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_POINT_ENABLE), 3);
301 	PUSH_DATA (push, 0);
302 	PUSH_DATA (push, 0);
303 	PUSH_DATA (push, 0);
304 	BEGIN_NV04(push, NV20_3D(DEPTH_FUNC), 1);
305 	PUSH_DATA (push, NV20_3D_DEPTH_FUNC_LESS);
306 	BEGIN_NV04(push, NV20_3D(DEPTH_WRITE_ENABLE), 1);
307 	PUSH_DATA (push, 0);
308 	BEGIN_NV04(push, NV20_3D(DEPTH_TEST_ENABLE), 1);
309 	PUSH_DATA (push, 0);
310 	BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_FACTOR), 2);
311 	PUSH_DATAf(push, 0.0);
312 	PUSH_DATAf(push, 0.0);
313 	BEGIN_NV04(push, NV20_3D(DEPTH_CLAMP), 1);
314 	PUSH_DATA (push, 1);
315 	if (context_chipset(ctx) < 0x25) {
316 		BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
317 		PUSH_DATA (push, 3);
318 	}
319 	BEGIN_NV04(push, NV20_3D(POINT_SIZE), 1);
320 	if (context_chipset(ctx) >= 0x25)
321 		PUSH_DATAf(push, 1.0);
322 	else
323 		PUSH_DATA (push, 8);
324 
325 	if (context_chipset(ctx) >= 0x25) {
326 		BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 1);
327 		PUSH_DATA (push, 0);
328 		BEGIN_NV04(push, SUBC_3D(0x0a1c), 1);
329 		PUSH_DATA (push, 0x800);
330 	} else {
331 		BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 2);
332 		PUSH_DATA (push, 0);
333 		PUSH_DATA (push, 0);
334 	}
335 
336 	BEGIN_NV04(push, NV20_3D(LINE_WIDTH), 1);
337 	PUSH_DATA (push, 8);
338 	BEGIN_NV04(push, NV20_3D(LINE_SMOOTH_ENABLE), 1);
339 	PUSH_DATA (push, 0);
340 	BEGIN_NV04(push, NV20_3D(POLYGON_MODE_FRONT), 2);
341 	PUSH_DATA (push, NV20_3D_POLYGON_MODE_FRONT_FILL);
342 	PUSH_DATA (push, NV20_3D_POLYGON_MODE_BACK_FILL);
343 	BEGIN_NV04(push, NV20_3D(CULL_FACE), 2);
344 	PUSH_DATA (push, NV20_3D_CULL_FACE_BACK);
345 	PUSH_DATA (push, NV20_3D_FRONT_FACE_CCW);
346 	BEGIN_NV04(push, NV20_3D(POLYGON_SMOOTH_ENABLE), 1);
347 	PUSH_DATA (push, 0);
348 	BEGIN_NV04(push, NV20_3D(CULL_FACE_ENABLE), 1);
349 	PUSH_DATA (push, 0);
350 	BEGIN_NV04(push, NV20_3D(SHADE_MODEL), 1);
351 	PUSH_DATA (push, NV20_3D_SHADE_MODEL_SMOOTH);
352 	BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_ENABLE), 1);
353 	PUSH_DATA (push, 0);
354 
355 	BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(0,0)),
356 		   4 * NV20_3D_TEX_GEN_MODE__ESIZE);
357 	for (i=0; i < 4 * NV20_3D_TEX_GEN_MODE__LEN; i++)
358 		PUSH_DATA (push, 0);
359 
360 	BEGIN_NV04(push, NV20_3D(FOG_COEFF(0)), 3);
361 	PUSH_DATAf(push, 1.5);
362 	PUSH_DATAf(push, -0.090168);
363 	PUSH_DATAf(push, 0.0);
364 	BEGIN_NV04(push, NV20_3D(FOG_MODE), 2);
365 	PUSH_DATA (push, NV20_3D_FOG_MODE_EXP_SIGNED);
366 	PUSH_DATA (push, NV20_3D_FOG_COORD_FOG);
367 	BEGIN_NV04(push, NV20_3D(FOG_ENABLE), 2);
368 	PUSH_DATA (push, 0);
369 	PUSH_DATA (push, 0);
370 
371 	BEGIN_NV04(push, NV20_3D(ENGINE), 1);
372 	PUSH_DATA (push, NV20_3D_ENGINE_FIXED);
373 
374 	for (i = 0; i < NV20_3D_TEX_MATRIX_ENABLE__LEN; i++) {
375 		BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
376 		PUSH_DATA (push, 0);
377 	}
378 
379 	BEGIN_NV04(push, NV20_3D(VERTEX_ATTR_4F_X(1)), 4 * 15);
380 	PUSH_DATAf(push, 1.0);
381 	PUSH_DATAf(push, 0.0);
382 	PUSH_DATAf(push, 0.0);
383 	PUSH_DATAf(push, 1.0);
384 	PUSH_DATAf(push, 0.0);
385 	PUSH_DATAf(push, 0.0);
386 	PUSH_DATAf(push, 1.0);
387 	PUSH_DATAf(push, 1.0);
388 	PUSH_DATAf(push, 1.0);
389 	PUSH_DATAf(push, 1.0);
390 	PUSH_DATAf(push, 1.0);
391 	PUSH_DATAf(push, 1.0);
392 	for (i = 0; i < 12; i++) {
393 		PUSH_DATAf(push, 0.0);
394 		PUSH_DATAf(push, 0.0);
395 		PUSH_DATAf(push, 0.0);
396 		PUSH_DATAf(push, 1.0);
397 	}
398 
399 	BEGIN_NV04(push, NV20_3D(EDGEFLAG_ENABLE), 1);
400 	PUSH_DATA (push, 1);
401 	BEGIN_NV04(push, NV20_3D(COLOR_MASK), 1);
402 	PUSH_DATA (push, 0x00010101);
403 	BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
404 	PUSH_DATA (push, 0);
405 
406 	BEGIN_NV04(push, NV20_3D(DEPTH_RANGE_NEAR), 2);
407 	PUSH_DATAf(push, 0.0);
408 	PUSH_DATAf(push, 16777216.0);
409 
410 	BEGIN_NV04(push, NV20_3D(VIEWPORT_TRANSLATE_X), 4);
411 	PUSH_DATAf(push, 0.0);
412 	PUSH_DATAf(push, 0.0);
413 	PUSH_DATAf(push, 0.0);
414 	PUSH_DATAf(push, 16777215.0);
415 
416 	BEGIN_NV04(push, NV20_3D(VIEWPORT_SCALE_X), 4);
417 	PUSH_DATAf(push, 0.0);
418 	PUSH_DATAf(push, 0.0);
419 	PUSH_DATAf(push, 16777215.0 * 0.5);
420 	PUSH_DATAf(push, 65535.0);
421 
422 	PUSH_KICK (push);
423 }
424 
425 static void
nv20_context_destroy(struct gl_context * ctx)426 nv20_context_destroy(struct gl_context *ctx)
427 {
428 	struct nouveau_context *nctx = to_nouveau_context(ctx);
429 
430 	nv04_surface_takedown(ctx);
431 	nv20_swtnl_destroy(ctx);
432 	nv20_vbo_destroy(ctx);
433 
434 	nouveau_object_del(&nctx->hw.eng3d);
435 
436 	nouveau_context_deinit(ctx);
437 	FREE(ctx);
438 }
439 
440 static struct gl_context *
nv20_context_create(struct nouveau_screen * screen,const struct gl_config * visual,struct gl_context * share_ctx)441 nv20_context_create(struct nouveau_screen *screen, const struct gl_config *visual,
442 		    struct gl_context *share_ctx)
443 {
444 	struct nouveau_context *nctx;
445 	struct gl_context *ctx;
446 	unsigned kelvin_class;
447 	int ret;
448 
449 	nctx = CALLOC_STRUCT(nouveau_context);
450 	if (!nctx)
451 		return NULL;
452 
453 	ctx = &nctx->base;
454 
455 	if (!nouveau_context_init(ctx, screen, visual, share_ctx))
456 		goto fail;
457 
458 	ctx->Extensions.ARB_texture_env_crossbar = true;
459 	ctx->Extensions.ARB_texture_env_combine = true;
460 	ctx->Extensions.ARB_texture_env_dot3 = true;
461 	ctx->Extensions.NV_fog_distance = true;
462 	ctx->Extensions.NV_texture_rectangle = true;
463 	if (ctx->Mesa_DXTn) {
464 		ctx->Extensions.EXT_texture_compression_s3tc = true;
465 		ctx->Extensions.S3_s3tc = true;
466 	}
467 
468 	/* GL constants. */
469 	ctx->Const.MaxTextureCoordUnits = NV20_TEXTURE_UNITS;
470 	ctx->Const.MaxTextureImageUnits = NV20_TEXTURE_UNITS;
471 	ctx->Const.MaxTextureUnits = NV20_TEXTURE_UNITS;
472 	ctx->Const.MaxTextureMaxAnisotropy = 8;
473 	ctx->Const.MaxTextureLodBias = 15;
474 	ctx->Driver.Clear = nv20_clear;
475 
476 	/* 2D engine. */
477 	ret = nv04_surface_init(ctx);
478 	if (!ret)
479 		goto fail;
480 
481 	/* 3D engine. */
482 	if (context_chipset(ctx) >= 0x25)
483 		kelvin_class = NV25_3D_CLASS;
484 	else
485 		kelvin_class = NV20_3D_CLASS;
486 
487 	ret = nouveau_object_new(context_chan(ctx), 0xbeef0001, kelvin_class,
488 				 NULL, 0, &nctx->hw.eng3d);
489 	if (ret)
490 		goto fail;
491 
492 	nv20_hwctx_init(ctx);
493 	nv20_vbo_init(ctx);
494 	nv20_swtnl_init(ctx);
495 
496 	return ctx;
497 
498 fail:
499 	nv20_context_destroy(ctx);
500 	return NULL;
501 }
502 
503 const struct nouveau_driver nv20_driver = {
504 	.context_create = nv20_context_create,
505 	.context_destroy = nv20_context_destroy,
506 	.surface_copy = nv04_surface_copy,
507 	.surface_fill = nv04_surface_fill,
508 	.emit = (nouveau_state_func[]) {
509 		nv10_emit_alpha_func,
510 		nv10_emit_blend_color,
511 		nv10_emit_blend_equation,
512 		nv10_emit_blend_func,
513 		nv20_emit_clip_plane,
514 		nv20_emit_clip_plane,
515 		nv20_emit_clip_plane,
516 		nv20_emit_clip_plane,
517 		nv20_emit_clip_plane,
518 		nv20_emit_clip_plane,
519 		nv10_emit_color_mask,
520 		nv20_emit_color_material,
521 		nv10_emit_cull_face,
522 		nv10_emit_front_face,
523 		nv10_emit_depth,
524 		nv10_emit_dither,
525 		nv20_emit_frag,
526 		nv20_emit_framebuffer,
527 		nv20_emit_fog,
528 		nv10_emit_light_enable,
529 		nv20_emit_light_model,
530 		nv20_emit_light_source,
531 		nv20_emit_light_source,
532 		nv20_emit_light_source,
533 		nv20_emit_light_source,
534 		nv20_emit_light_source,
535 		nv20_emit_light_source,
536 		nv20_emit_light_source,
537 		nv20_emit_light_source,
538 		nv10_emit_line_stipple,
539 		nv10_emit_line_mode,
540 		nv20_emit_logic_opcode,
541 		nv20_emit_material_ambient,
542 		nv20_emit_material_ambient,
543 		nv20_emit_material_diffuse,
544 		nv20_emit_material_diffuse,
545 		nv20_emit_material_specular,
546 		nv20_emit_material_specular,
547 		nv20_emit_material_shininess,
548 		nv20_emit_material_shininess,
549 		nv20_emit_modelview,
550 		nv20_emit_point_mode,
551 		nv10_emit_point_parameter,
552 		nv10_emit_polygon_mode,
553 		nv10_emit_polygon_offset,
554 		nv10_emit_polygon_stipple,
555 		nv20_emit_projection,
556 		nv10_emit_render_mode,
557 		nv10_emit_scissor,
558 		nv10_emit_shade_model,
559 		nv10_emit_stencil_func,
560 		nv10_emit_stencil_mask,
561 		nv10_emit_stencil_op,
562 		nv20_emit_tex_env,
563 		nv20_emit_tex_env,
564 		nv20_emit_tex_env,
565 		nv20_emit_tex_env,
566 		nv20_emit_tex_gen,
567 		nv20_emit_tex_gen,
568 		nv20_emit_tex_gen,
569 		nv20_emit_tex_gen,
570 		nv20_emit_tex_mat,
571 		nv20_emit_tex_mat,
572 		nv20_emit_tex_mat,
573 		nv20_emit_tex_mat,
574 		nv20_emit_tex_obj,
575 		nv20_emit_tex_obj,
576 		nv20_emit_tex_obj,
577 		nv20_emit_tex_obj,
578 		nv20_emit_viewport,
579 		nv20_emit_tex_shader
580 	},
581 	.num_emit = NUM_NV20_STATE,
582 };
583