1 /**************************************************************************
3 * Copyright 2003 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 **************************************************************************/
30 #include "i915_context.h"
31 #include "i915_batch.h"
33 #include "i915_resource.h"
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
38 static unsigned translate_format( enum pipe_format format )
41 case PIPE_FORMAT_B8G8R8A8_UNORM:
42 return COLOR_BUF_ARGB8888;
43 case PIPE_FORMAT_B5G6R5_UNORM:
44 return COLOR_BUF_RGB565;
51 static unsigned translate_depth_format( enum pipe_format zformat )
54 case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
55 return DEPTH_FRMT_24_FIXED_8_OTHER;
56 case PIPE_FORMAT_Z16_UNORM:
57 return DEPTH_FRMT_16_FIXED;
66 * Examine framebuffer state to determine width, height.
69 framebuffer_size(const struct pipe_framebuffer_state *fb,
70 uint *width, uint *height)
73 *width = fb->cbufs[0]->width;
74 *height = fb->cbufs[0]->height;
78 *width = fb->zsbuf->width;
79 *height = fb->zsbuf->height;
89 /* Push the state into the sarea and/or texture memory.
92 i915_emit_hardware_state(struct i915_context *i915 )
94 /* XXX: there must be an easier way */
95 const unsigned dwords = ( 14 +
99 2 + I915_TEX_UNITS*3 +
100 2 + I915_TEX_UNITS*3 +
101 2 + I915_MAX_CONSTANT*4 +
103 i915->current.program_len +
105 i915->fs->program_len +
108 ) * 3/2; /* plus 50% margin */
109 const unsigned relocs = ( I915_TEX_UNITS +
111 ) * 3/2; /* plus 50% margin */
114 debug_printf("i915_emit_hardware_state: %d dwords, %d relocs\n", dwords, relocs);
117 if(!BEGIN_BATCH(dwords, relocs)) {
119 assert(BEGIN_BATCH(dwords, relocs));
122 /* 14 dwords, 0 relocs */
123 if (i915->hardware_dirty & I915_HW_INVARIENT)
125 OUT_BATCH(_3DSTATE_AA_CMD |
126 AA_LINE_ECAAR_WIDTH_ENABLE |
127 AA_LINE_ECAAR_WIDTH_1_0 |
128 AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
130 OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
133 OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
136 OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
139 OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
149 OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
150 ENABLE_POINT_RASTER_RULE |
151 OGL_POINT_RASTER_RULE |
152 ENABLE_LINE_STRIP_PROVOKE_VRTX |
153 ENABLE_TRI_FAN_PROVOKE_VRTX |
154 LINE_STRIP_PROVOKE_VRTX(1) |
155 TRI_FAN_PROVOKE_VRTX(2) |
156 ENABLE_TEXKILL_3D_4D |
159 /* Need to initialize this to zero.
161 OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | (0));
164 OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
166 /* disable indirect state for now
168 OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);
172 /* 7 dwords, 1 relocs */
173 if (i915->hardware_dirty & I915_HW_IMMEDIATE)
175 OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
187 i915->current.immediate[I915_IMMEDIATE_S0]);
189 /* FIXME: we should not do this */
191 OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S1]);
192 OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S2]);
193 OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S4]);
194 OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S5]);
195 OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S6]);
198 /* I915_MAX_DYNAMIC dwords, 0 relocs */
199 if (i915->hardware_dirty & I915_HW_DYNAMIC)
202 for (i = 0; i < I915_MAX_DYNAMIC; i++) {
203 OUT_BATCH(i915->current.dynamic[i]);
207 /* 8 dwords, 2 relocs */
208 if (i915->hardware_dirty & I915_HW_STATIC)
210 struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
211 struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
214 unsigned ctile = BUF_3D_USE_FENCE;
215 struct i915_texture *tex = i915_texture(cbuf_surface->texture);
218 if (tex && tex->sw_tiled) {
219 ctile = BUF_3D_TILED_SURFACE;
222 OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
224 OUT_BATCH(BUF_3D_ID_COLOR_BACK |
225 BUF_3D_PITCH(tex->stride) | /* pitch in bytes */
228 OUT_RELOC(tex->buffer,
230 cbuf_surface->offset);
233 /* What happens if no zbuf??
236 unsigned ztile = BUF_3D_USE_FENCE;
237 struct i915_texture *tex = i915_texture(depth_surface->texture);
240 if (tex && tex->sw_tiled) {
241 ztile = BUF_3D_TILED_SURFACE;
244 OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
247 OUT_BATCH(BUF_3D_ID_DEPTH |
248 BUF_3D_PITCH(tex->stride) | /* pitch in bytes */
251 OUT_RELOC(tex->buffer,
253 depth_surface->offset);
257 unsigned cformat, zformat = 0;
260 cformat = cbuf_surface->format;
262 cformat = PIPE_FORMAT_B8G8R8A8_UNORM; /* arbitrary */
263 cformat = translate_format(cformat);
266 zformat = translate_depth_format( i915->framebuffer.zsbuf->format );
268 OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
269 OUT_BATCH(DSTORG_HORT_BIAS(0x8) | /* .5 */
270 DSTORG_VERT_BIAS(0x8) | /* .5 */
272 TEX_DEFAULT_COLOR_OGL |
280 /* 2 + I915_TEX_UNITS*3 dwords, I915_TEX_UNITS relocs */
281 if (i915->hardware_dirty & (I915_HW_MAP | I915_HW_SAMPLER))
283 const uint nr = i915->current.sampler_enable_nr;
285 const uint enabled = i915->current.sampler_enable_flags;
288 OUT_BATCH(_3DSTATE_MAP_STATE | (3 * nr));
290 for (unit = 0; unit < I915_TEX_UNITS; unit++) {
291 if (enabled & (1 << unit)) {
292 struct i915_texture *texture = i915_texture(i915->fragment_sampler_views[unit]->texture);
293 struct i915_winsys_buffer *buf = texture->buffer;
299 OUT_RELOC(buf, I915_USAGE_SAMPLER, offset);
300 OUT_BATCH(i915->current.texbuffer[unit][0]); /* MS3 */
301 OUT_BATCH(i915->current.texbuffer[unit][1]); /* MS4 */
311 /* 2 + I915_TEX_UNITS*3 dwords, 0 relocs */
312 if (i915->hardware_dirty & I915_HW_SAMPLER)
314 if (i915->current.sampler_enable_nr) {
317 OUT_BATCH( _3DSTATE_SAMPLER_STATE |
318 (3 * i915->current.sampler_enable_nr) );
320 OUT_BATCH( i915->current.sampler_enable_flags );
322 for (i = 0; i < I915_TEX_UNITS; i++) {
323 if (i915->current.sampler_enable_flags & (1<<i)) {
324 OUT_BATCH( i915->current.sampler[i][0] );
325 OUT_BATCH( i915->current.sampler[i][1] );
326 OUT_BATCH( i915->current.sampler[i][2] );
334 /* 2 + I915_MAX_CONSTANT*4 dwords, 0 relocs */
335 if (i915->hardware_dirty & I915_HW_PROGRAM)
337 /* Collate the user-defined constants with the fragment shader's
338 * immediates according to the constant_flags[] array.
340 const uint nr = i915->fs->num_constants;
344 OUT_BATCH( _3DSTATE_PIXEL_SHADER_CONSTANTS | (nr * 4) );
345 OUT_BATCH( (1 << (nr - 1)) | ((1 << (nr - 1)) - 1) );
347 for (i = 0; i < nr; i++) {
349 if (i915->fs->constant_flags[i] == I915_CONSTFLAG_USER) {
350 /* grab user-defined constant */
351 c = (uint *) i915->current.constants[PIPE_SHADER_FRAGMENT][i];
354 /* emit program constant */
355 c = (uint *) i915->fs->constants[i];
359 float *f = (float *) c;
360 printf("Const %2d: %f %f %f %f %s\n", i, f[0], f[1], f[2], f[3],
361 (i915->fs->constant_flags[i] == I915_CONSTFLAG_USER
362 ? "user" : "immediate"));
373 /* Fragment program */
374 /* i915->current.program_len dwords, 0 relocs */
375 if (i915->hardware_dirty & I915_HW_PROGRAM)
378 /* we should always have, at least, a pass-through program */
379 assert(i915->fs->program_len > 0);
380 for (i = 0; i < i915->fs->program_len; i++) {
381 OUT_BATCH(i915->fs->program[i]);
385 /* drawing surface size */
386 /* 6 dwords, 0 relocs */
389 boolean k = framebuffer_size(&i915->framebuffer, &w, &h);
393 OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
396 OUT_BATCH(((w - 1) & 0xffff) | ((h - 1) << 16));
402 i915->hardware_dirty = 0;