static void gen2_emit_target(struct intel_batchbuffer *batch,
			     struct igt_buf *dst)
{
	uint32_t tiling;

	tiling = 0;
	if (dst->tiling != I915_TILING_NONE)
		tiling = BUF_3D_TILED_SURFACE;
	if (dst->tiling == I915_TILING_Y)
		tiling |= BUF_3D_TILE_WALK_Y;

	OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
	OUT_BATCH(BUF_3D_ID_COLOR_BACK | tiling | BUF_3D_PITCH(dst->stride));
	OUT_RELOC(dst->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);

	OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
	OUT_BATCH(COLR_BUF_ARGB8888 |
		  DSTORG_HORT_BIAS(0x8) |
		  DSTORG_VERT_BIAS(0x8));

	OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
	OUT_BATCH(0);
	OUT_BATCH(0);		/* ymin, xmin */
	OUT_BATCH(DRAW_YMAX(igt_buf_height(dst) - 1) |
		  DRAW_XMAX(igt_buf_width(dst) - 1));
	OUT_BATCH(0);		/* yorig, xorig */
}
static Bool i830_get_dest_format(PicturePtr dest_picture, uint32_t * dst_format)
{
	ScrnInfoPtr scrn;

	switch (dest_picture->format) {
	case PICT_a8r8g8b8:
	case PICT_x8r8g8b8:
		*dst_format = COLR_BUF_ARGB8888;
		break;
	case PICT_r5g6b5:
		*dst_format = COLR_BUF_RGB565;
		break;
	case PICT_a1r5g5b5:
	case PICT_x1r5g5b5:
		*dst_format = COLR_BUF_ARGB1555;
		break;
	case PICT_a8:
		*dst_format = COLR_BUF_8BIT;
		break;
	case PICT_a4r4g4b4:
	case PICT_x4r4g4b4:
		*dst_format = COLR_BUF_ARGB4444;
		break;
	default:
		scrn = xf86Screens[dest_picture->pDrawable->pScreen->myNum];
		intel_debug_fallback(scrn, "Unsupported dest format 0x%x\n",
				     (int)dest_picture->format);
		return FALSE;
	}
	*dst_format |= DSTORG_HORT_BIAS(0x8) | DSTORG_VERT_BIAS(0x8);
	return TRUE;
}
static void set_draw_format( i830ContextPtr i830,
			     GLuint format,
			     GLuint depth_format)
{
   i830->meta.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
					  DSTORG_VERT_BIAS(0x8) | /* .5 */
					  format |
					  DEPTH_IS_Z |
					  depth_format);
}
Exemple #4
0
static void update_dst_buf_vars(struct i915_context *i915)
{
   struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
   struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
   uint32_t dst_buf_vars, cformat, zformat;
   uint32_t early_z = 0;
   uint32_t fixup = 0;
   int need_fixup;

   if (cbuf_surface)
      cformat = cbuf_surface->format;
   else
      cformat = PIPE_FORMAT_B8G8R8A8_UNORM; /* arbitrary */
   cformat = translate_format(cformat);

   if (depth_surface) {
      struct i915_texture *tex = i915_texture(depth_surface->texture);
      struct i915_screen *is = i915_screen(i915->base.screen);

      zformat = translate_depth_format(depth_surface->format);

      if (is->is_i945 && tex->tiling != I915_TILE_NONE
            && !i915->fs->info.writes_z)
         early_z = CLASSIC_EARLY_DEPTH;
   } else
      zformat = 0;

   dst_buf_vars = DSTORG_HORT_BIAS(0x8) | /* .5 */
                  DSTORG_VERT_BIAS(0x8) | /* .5 */
                  LOD_PRECLAMP_OGL |
                  TEX_DEFAULT_COLOR_OGL |
                  cformat |
                  zformat |
                  early_z;

   if (i915->current.dst_buf_vars != dst_buf_vars) {
      if (early_z != (i915->current.dst_buf_vars & CLASSIC_EARLY_DEPTH))
         i915_set_flush_dirty(i915, I915_PIPELINE_FLUSH);

      i915->current.dst_buf_vars = dst_buf_vars;
      i915->static_dirty |= I915_DST_VARS;
      i915->hardware_dirty |= I915_HW_STATIC;
   }

   need_fixup = need_target_fixup(cbuf_surface, &fixup);
   if (i915->current.target_fixup_format != need_fixup ||
         i915->current.fixup_swizzle != fixup) {
      i915->current.target_fixup_format = need_fixup;
      i915->current.fixup_swizzle = fixup;
      /* we also send a new program to make sure the fixup for RGBA surfaces happens */
      i915->hardware_dirty |= I915_HW_PROGRAM;
   }
}
Exemple #5
0
/* Setup an arbitary draw format, useful for targeting texture or agp
 * memory.
 */
static void set_draw_format( i915ContextPtr i915,
			     GLuint format,
			     GLuint depth_format)
{
   i915->meta.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
					DSTORG_VERT_BIAS(0x8) | /* .5 */
					format |
					LOD_PRECLAMP_OGL |
					TEX_DEFAULT_COLOR_OGL |
					depth_format);

   i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
/*    fprintf(stderr, "%s: DV1: %x\n",  */
/* 	   __FUNCTION__, i915->meta.Buffer[I915_DESTREG_DV1]); */
}
/* Push the state into the sarea and/or texture memory.
 */
void
i915_emit_hardware_state(struct i915_context *i915 )
{
   /* XXX: there must be an easier way */
   const unsigned dwords = ( 14 + 
                             7 + 
                             I915_MAX_DYNAMIC + 
                             8 + 
                             2 + I915_TEX_UNITS*3 + 
                             2 + I915_TEX_UNITS*3 +
                             2 + I915_MAX_CONSTANT*4 + 
#if 0
                             i915->current.program_len + 
#else
                             i915->fs->program_len + 
#endif
                             6 
                           ) * 3/2; /* plus 50% margin */
   const unsigned relocs = ( I915_TEX_UNITS +
	                     3
                           ) * 3/2; /* plus 50% margin */

#if 0
   debug_printf("i915_emit_hardware_state: %d dwords, %d relocs\n", dwords, relocs);
#endif
   
   if(!BEGIN_BATCH(dwords, relocs)) {
      FLUSH_BATCH(NULL);
      assert(BEGIN_BATCH(dwords, relocs));
   }

   /* 14 dwords, 0 relocs */
   if (i915->hardware_dirty & I915_HW_INVARIENT)
   {
      OUT_BATCH(_3DSTATE_AA_CMD |
		AA_LINE_ECAAR_WIDTH_ENABLE |
		AA_LINE_ECAAR_WIDTH_1_0 |
		AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);

      OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
      OUT_BATCH(0);

      OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
      OUT_BATCH(0);
      
      OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
      OUT_BATCH(0);

      OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
		CSB_TCB(0, 0) |
		CSB_TCB(1, 1) |
		CSB_TCB(2, 2) |
		CSB_TCB(3, 3) |
		CSB_TCB(4, 4) | 
		CSB_TCB(5, 5) | 
		CSB_TCB(6, 6) | 
		CSB_TCB(7, 7));

      OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
		ENABLE_POINT_RASTER_RULE |
		OGL_POINT_RASTER_RULE |
		ENABLE_LINE_STRIP_PROVOKE_VRTX |
		ENABLE_TRI_FAN_PROVOKE_VRTX |
		LINE_STRIP_PROVOKE_VRTX(1) |
		TRI_FAN_PROVOKE_VRTX(2) | 
		ENABLE_TEXKILL_3D_4D | 
		TEXKILL_4D);

      /* Need to initialize this to zero.
       */
      OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | (0));
      OUT_BATCH(0);

      OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);

      /* disable indirect state for now
       */
      OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);
      OUT_BATCH(0);
   }
   
   /* 7 dwords, 1 relocs */
   if (i915->hardware_dirty & I915_HW_IMMEDIATE)
   {
      OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | 
		I1_LOAD_S(0) |
		I1_LOAD_S(1) |
		I1_LOAD_S(2) |
		I1_LOAD_S(4) |
		I1_LOAD_S(5) |
		I1_LOAD_S(6) | 
		(5));
      
      if(i915->vbo)
         OUT_RELOC(i915->vbo,
                   I915_BUFFER_ACCESS_READ,
                   i915->current.immediate[I915_IMMEDIATE_S0]);
      else
	 /* FIXME: we should not do this */
	 OUT_BATCH(0);
      OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S1]);
      OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S2]);
      OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S4]);
      OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S5]);
      OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S6]);
   } 
   
   /* I915_MAX_DYNAMIC dwords, 0 relocs */
   if (i915->hardware_dirty & I915_HW_DYNAMIC) 
   {
      int i;
      for (i = 0; i < I915_MAX_DYNAMIC; i++) {
	 OUT_BATCH(i915->current.dynamic[i]);
      }
   }
   
   /* 8 dwords, 2 relocs */
   if (i915->hardware_dirty & I915_HW_STATIC)
   {
      struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
      struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;

      if (cbuf_surface) {
	 unsigned cpitch = cbuf_surface->stride;
	 unsigned ctile = BUF_3D_USE_FENCE;
	 if (cbuf_surface->texture &&
	       ((struct i915_texture*)(cbuf_surface->texture))->tiled) {
	    ctile = BUF_3D_TILED_SURFACE;
	 }

	 OUT_BATCH(_3DSTATE_BUF_INFO_CMD);

	 OUT_BATCH(BUF_3D_ID_COLOR_BACK | 
		   BUF_3D_PITCH(cpitch) |  /* pitch in bytes */
		   ctile);

	 OUT_RELOC(cbuf_surface->buffer,
		   I915_BUFFER_ACCESS_WRITE,
		   cbuf_surface->offset);
      }

      /* What happens if no zbuf??
       */
      if (depth_surface) {
	 unsigned zpitch = depth_surface->stride;
	 unsigned ztile = BUF_3D_USE_FENCE;
	 if (depth_surface->texture &&
	       ((struct i915_texture*)(depth_surface->texture))->tiled) {
	    ztile = BUF_3D_TILED_SURFACE;
	 }

	 OUT_BATCH(_3DSTATE_BUF_INFO_CMD);

	 OUT_BATCH(BUF_3D_ID_DEPTH |
		   BUF_3D_PITCH(zpitch) |  /* pitch in bytes */
		   ztile);

	 OUT_RELOC(depth_surface->buffer,
		   I915_BUFFER_ACCESS_WRITE,
		   depth_surface->offset);
      }
   
      {
	 unsigned cformat, zformat = 0;
      
	 if (cbuf_surface)
            cformat = cbuf_surface->format;
         else
            cformat = PIPE_FORMAT_A8R8G8B8_UNORM; /* arbitrary */
         cformat = translate_format(cformat);

	 if (depth_surface) 
	    zformat = translate_depth_format( i915->framebuffer.zsbuf->format );

	 OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
	 OUT_BATCH(DSTORG_HORT_BIAS(0x8) | /* .5 */
		   DSTORG_VERT_BIAS(0x8) | /* .5 */
		   LOD_PRECLAMP_OGL |
		   TEX_DEFAULT_COLOR_OGL |
		   cformat |
		   zformat );
      }
   }

#if 01
      /* texture images */
      /* 2 + I915_TEX_UNITS*3 dwords, I915_TEX_UNITS relocs */
      if (i915->hardware_dirty & (I915_HW_MAP | I915_HW_SAMPLER))
      {
         const uint nr = i915->current.sampler_enable_nr;
         if (nr) {
            const uint enabled = i915->current.sampler_enable_flags;
            uint unit;
            uint count = 0;
            OUT_BATCH(_3DSTATE_MAP_STATE | (3 * nr));
            OUT_BATCH(enabled);
            for (unit = 0; unit < I915_TEX_UNITS; unit++) {
               if (enabled & (1 << unit)) {
                  struct pipe_buffer *buf =
                     i915->texture[unit]->buffer;
                  uint offset = 0;
                  assert(buf);

                  count++;

                  OUT_RELOC(buf,
                            I915_BUFFER_ACCESS_READ,
                            offset);
                  OUT_BATCH(i915->current.texbuffer[unit][0]); /* MS3 */
                  OUT_BATCH(i915->current.texbuffer[unit][1]); /* MS4 */
               }
            }
            assert(count == nr);
         }
      }
#endif

#if 01
   /* samplers */
   /* 2 + I915_TEX_UNITS*3 dwords, 0 relocs */
   if (i915->hardware_dirty & I915_HW_SAMPLER) 
   {
      if (i915->current.sampler_enable_nr) {
	 int i;
	 
	 OUT_BATCH( _3DSTATE_SAMPLER_STATE | 
		    (3 * i915->current.sampler_enable_nr) );

	 OUT_BATCH( i915->current.sampler_enable_flags );

	 for (i = 0; i < I915_TEX_UNITS; i++) {
	    if (i915->current.sampler_enable_flags & (1<<i)) {
	       OUT_BATCH( i915->current.sampler[i][0] );
	       OUT_BATCH( i915->current.sampler[i][1] );
	       OUT_BATCH( i915->current.sampler[i][2] );
	    }
	 }
      }
   }
#endif

   /* constants */
   /* 2 + I915_MAX_CONSTANT*4 dwords, 0 relocs */
   if (i915->hardware_dirty & I915_HW_PROGRAM)
   {
      /* Collate the user-defined constants with the fragment shader's
       * immediates according to the constant_flags[] array.
       */
      const uint nr = i915->fs->num_constants;
      if (nr) {
         uint i;

         OUT_BATCH( _3DSTATE_PIXEL_SHADER_CONSTANTS | (nr * 4) );
         OUT_BATCH( (1 << (nr - 1)) | ((1 << (nr - 1)) - 1) );

         for (i = 0; i < nr; i++) {
            const uint *c;
            if (i915->fs->constant_flags[i] == I915_CONSTFLAG_USER) {
               /* grab user-defined constant */
               c = (uint *) i915->current.constants[PIPE_SHADER_FRAGMENT][i];
            }
            else {
               /* emit program constant */
               c = (uint *) i915->fs->constants[i];
            }
#if 0 /* debug */
            {
               float *f = (float *) c;
               printf("Const %2d: %f %f %f %f %s\n", i, f[0], f[1], f[2], f[3],
                      (i915->fs->constant_flags[i] == I915_CONSTFLAG_USER
                       ? "user" : "immediate"));
            }
#endif
            OUT_BATCH(*c++);
            OUT_BATCH(*c++);
            OUT_BATCH(*c++);
            OUT_BATCH(*c++);
         }
      }
   }

   /* Fragment program */
   /* i915->current.program_len dwords, 0 relocs */
   if (i915->hardware_dirty & I915_HW_PROGRAM)
   {
      uint i;
      /* we should always have, at least, a pass-through program */
      assert(i915->fs->program_len > 0);
      for (i = 0; i < i915->fs->program_len; i++) {
         OUT_BATCH(i915->fs->program[i]);
      }
   }

   /* drawing surface size */
   /* 6 dwords, 0 relocs */
   {
      uint w, h;
      boolean k = framebuffer_size(&i915->framebuffer, &w, &h);
      (void)k;
      assert(k);

      OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
      OUT_BATCH(0);
      OUT_BATCH(0);
      OUT_BATCH(((w - 1) & 0xffff) | ((h - 1) << 16));
      OUT_BATCH(0);
      OUT_BATCH(0);
   }


   i915->hardware_dirty = 0;
}
Exemple #7
0
BOOL copybox3d( GMABitMap_t *bm_dst, GMABitMap_t *bm_src,
               ULONG dst_x,ULONG dst_y,ULONG dst_width, ULONG dst_height,
               ULONG src_x,ULONG src_y,ULONG src_width, ULONG src_height )
{
    uint32_t dst_format;
    uint32_t src_format;

    if( !copybox3d_supported() ) 
    {
        return FALSE;
    }

    // buffers in gfx memory ?
    if( ! (bm_src->fbgfx && bm_src->fbgfx) )
    {
        return FALSE;
    }

    // Max texture size, src and dst must be differend (at least if overlaps)
    if( bm_src->pitch/4 > 2048 || bm_src->height > 2048 || bm_dst == bm_src )
    {
        return FALSE;
    }
    
    // src pitch must be long aligmented.
    if( bm_src->pitch & 0x3 )
    {
        bug("[IntelGMA] copybox3d: ERROR bm_src->pitch=%d/n",bm_src->pitch);
        return FALSE;
    }

    if(bm_src->bpp == 4)
    {
        src_format = MAPSURF_32BIT | MT_32BIT_ARGB8888;
    }
    else if(bm_src->bpp == 2)
    {
        src_format = MAPSURF_16BIT | MT_16BIT_RGB565;
    }
    else
    {
        bug("[IntelGMA] copybox3d: ERROR src_bpp=%d/n",bm_src->bpp);
        return FALSE;
    }

    if(bm_dst->bpp == 4)
    {
        dst_format = COLOR_BUF_ARGB8888;
    }
    else if(bm_dst->bpp == 2)
    {
        dst_format = COLOR_BUF_RGB565;
    }
    else
    {
        bug("[IntelGMA] copybox3d: ERROR dst_bpp=%d/n",bm_dst->bpp);
        return FALSE;
    }

    D(bug("[IntelGMA:HW] %s()\n", __func__));

    LOCK_HW
    START_RING(72);

    /* invariant state */
    OUT_RING( _3DSTATE_AA_CMD |
        AA_LINE_ECAAR_WIDTH_ENABLE |
        AA_LINE_ECAAR_WIDTH_1_0 |
        AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0 );

    OUT_RING( _3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
        IAB_MODIFY_ENABLE |
        IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) |
        IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE <<
                     IAB_SRC_FACTOR_SHIFT) |
        IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO <<
                     IAB_DST_FACTOR_SHIFT) );

    OUT_RING( _3DSTATE_DFLT_DIFFUSE_CMD );
    OUT_RING( 0 );

    OUT_RING( _3DSTATE_DFLT_SPEC_CMD );
    OUT_RING( 0 );

    OUT_RING( _3DSTATE_DFLT_Z_CMD );
    OUT_RING( 0 );

    OUT_RING( _3DSTATE_COORD_SET_BINDINGS |
        CSB_TCB(0, 0) |
        CSB_TCB(1, 1) |
        CSB_TCB(2, 2) |
        CSB_TCB(3, 3) |
        CSB_TCB(4, 4) |
        CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7) );

    OUT_RING( _3DSTATE_RASTER_RULES_CMD |
        ENABLE_POINT_RASTER_RULE |
        OGL_POINT_RASTER_RULE |
        ENABLE_LINE_STRIP_PROVOKE_VRTX |
        ENABLE_TRI_FAN_PROVOKE_VRTX |
        LINE_STRIP_PROVOKE_VRTX(1) |
        TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D );

    OUT_RING( _3DSTATE_MODES_4_CMD |
        ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) |
        ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) |
        ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff) );

    OUT_RING( _3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2 );

    OUT_RING( 0x00000000 );    /* Disable texture coordinate wrap-shortest */

    OUT_RING( (1 << S4_POINT_WIDTH_SHIFT) |
        S4_LINE_WIDTH_ONE |
        S4_CULLMODE_NONE |
        S4_VFMT_XY );
    OUT_RING( 0x00000000 );    /* Stencil. */
    OUT_RING( _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT );
    OUT_RING( _3DSTATE_SCISSOR_RECT_0_CMD );
    OUT_RING( 0 );
    OUT_RING( 0 );
    OUT_RING( _3DSTATE_DEPTH_SUBRECT_DISABLE );
    OUT_RING( _3DSTATE_LOAD_INDIRECT | 0 );    /* disable indirect state */
    OUT_RING( 0 );
    OUT_RING( _3DSTATE_STIPPLE );
    OUT_RING( 0x00000000 );
    OUT_RING( _3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0 );

    /* samler state */
#define TEX_COUNT 1
    OUT_RING( _3DSTATE_MAP_STATE | (3 * TEX_COUNT) );
    OUT_RING( (1 << TEX_COUNT) - 1 );

    // Source buffer
    OUT_RING( bm_src->framebuffer );
    OUT_RING( src_format |
        (bm_src->height - 1) << MS3_HEIGHT_SHIFT |
        (bm_src->pitch/bm_src->bpp - 1)  << MS3_WIDTH_SHIFT );
    OUT_RING( (bm_src->pitch/4 -1) << MS4_PITCH_SHIFT );

    OUT_RING( _3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT) );
    OUT_RING( (1 << TEX_COUNT) - 1 );
    OUT_RING( MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT |
        FILTER_NEAREST << SS2_MAG_FILTER_SHIFT |
        FILTER_NEAREST << SS2_MIN_FILTER_SHIFT );
    OUT_RING( TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT |
        TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT |
        0 << SS3_TEXTUREMAP_INDEX_SHIFT );
    OUT_RING( 0x00000000 );

    /* render target state */
    
    // Destination buffer
    OUT_RING( _3DSTATE_BUF_INFO_CMD );
    OUT_RING( BUF_3D_ID_COLOR_BACK | bm_dst->pitch );
    OUT_RING( bm_dst->framebuffer );
    OUT_RING( _3DSTATE_DST_BUF_VARS_CMD );
    OUT_RING( dst_format |
        DSTORG_HORT_BIAS(0x8) |
        DSTORG_VERT_BIAS(0x8) );

    /* draw rect is unconditional */
    OUT_RING( _3DSTATE_DRAW_RECT_CMD );

    OUT_RING( 0x00000000 );
    OUT_RING( 0x00000000 );    // ymin, xmin 
    OUT_RING( DRAW_YMAX(dst_y + dst_height - 1) |
              DRAW_XMAX(dst_x + dst_width - 1) );

    /* yorig, xorig (relate to color buffer?) */
    OUT_RING( 0x00000000 );

    /* texfmt */
    OUT_RING( _3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2 );
    OUT_RING( (4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT) );
    OUT_RING( ~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) |
        S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D) );
    OUT_RING( S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE |
        BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT |
        BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT |
        BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT );

    /* pixel shader */
    OUT_RING( _3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2) );
    /* decl FS_T0 */
    OUT_RING( D0_DCL |
        GET_UREG_TYPE(FS_T0) << D0_TYPE_SHIFT |
        GET_UREG_NR(FS_T0) << D0_NR_SHIFT |
        ((GET_UREG_TYPE(FS_T0) != GET_UREG_TYPE_S) ? D0_CHANNEL_ALL : 0) );
    OUT_RING( 0 );
    OUT_RING( 0 );
    /* decl FS_S0 */
    OUT_RING( D0_DCL |
        (GET_UREG_TYPE(FS_S0) << D0_TYPE_SHIFT) |
        (GET_UREG_NR(FS_S0) << D0_NR_SHIFT) |
        ((GET_UREG_TYPE(FS_S0) != GET_UREG_TYPE_S) ? D0_CHANNEL_ALL : 0) );
    OUT_RING( 0 );
    OUT_RING( 0 );
    /* texld(FS_OC, FS_S0, FS_T0 */
    OUT_RING( T0_TEXLD |
        (GET_UREG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) |
        (GET_UREG_NR(FS_OC) << T0_DEST_NR_SHIFT) |
        (GET_UREG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT) );
    OUT_RING( (GET_UREG_TYPE(FS_T0) << T1_ADDRESS_GET_UREG_TYPE_SHIFT) |
        (GET_UREG_NR(FS_T0) << T1_ADDRESS_GET_UREG_NR_SHIFT) );
    OUT_RING( 0 );
    
    // rectangle 
    // 3--x
    // |  |
    // 2--1
    OUT_RING( PRIM3D_RECTLIST | (3*4 - 1) );
    OUT_RING( pack_float( dst_x + dst_width) );
    OUT_RING( pack_float( dst_y + dst_height) );
    OUT_RING( pack_float(src_x + src_width) );
    OUT_RING( pack_float(src_y + src_height) );

    OUT_RING( pack_float( dst_x + 0 ) );
    OUT_RING( pack_float( dst_y +dst_height) );
    OUT_RING( pack_float(src_x + 0) );
    OUT_RING( pack_float(src_y + src_height) );

    OUT_RING( pack_float( dst_x + 0 ) );
    OUT_RING( pack_float( dst_y + 0 ) );
    OUT_RING( pack_float(src_x + 0) );
    OUT_RING( pack_float(src_y + 0) );

    ADVANCE_RING();
    DO_FLUSH();
    UNLOCK_HW

    return TRUE;
}
Exemple #8
0
void
I915DisplayVideoTextured(ScrnInfoPtr scrn,
			 intel_adaptor_private *adaptor_priv, int id,
			 RegionPtr dstRegion,
			 short width, short height, int video_pitch,
			 int video_pitch2,
			 short src_w, short src_h, short drw_w, short drw_h,
			 PixmapPtr pixmap)
{
	intel_screen_private *intel = intel_get_screen_private(scrn);
	uint32_t format, ms3, s5, tiling;
	BoxPtr pbox = REGION_RECTS(dstRegion);
	int nbox_total = REGION_NUM_RECTS(dstRegion);
	int nbox_this_time;
	int dxo, dyo, pix_xoff, pix_yoff;
	PixmapPtr target;

#if 0
	ErrorF("I915DisplayVideo: %dx%d (pitch %d)\n", width, height,
	       video_pitch);
#endif

	dxo = dstRegion->extents.x1;
	dyo = dstRegion->extents.y1;

	if (pixmap->drawable.width > 2048 || pixmap->drawable.height > 2048 ||
	    !intel_uxa_check_pitch_3d(pixmap)) {
		ScreenPtr screen = pixmap->drawable.pScreen;

		target = screen->CreatePixmap(screen,
					      dstRegion->extents.x2 - dxo,
					      dstRegion->extents.y2 - dyo,
					      pixmap->drawable.depth,
					      CREATE_PIXMAP_USAGE_SCRATCH);
		if (target == NULL)
			return;

		if (intel_uxa_get_pixmap_bo(target) == NULL) {
			screen->DestroyPixmap(target);
			return;
		}

		pix_xoff = -dxo;
		pix_yoff = -dyo;
	} else {
		target = pixmap;

		/* Set up the offset for translating from the given region
		 * (in screen coordinates) to the backing pixmap.
		 */
#ifdef COMPOSITE
		pix_xoff = -target->screen_x + target->drawable.x;
		pix_yoff = -target->screen_y + target->drawable.y;
#else
		pix_xoff = 0;
		pix_yoff = 0;
#endif
	}

#define BYTES_FOR_BOXES(n)	((200 + (n) * 20) * 4)
#define BOXES_IN_BYTES(s)	((((s)/4) - 200) / 20)
#define BATCH_BYTES(p)		((p)->batch_bo->size - 16)

	while (nbox_total) {
		nbox_this_time = nbox_total;
		if (BYTES_FOR_BOXES(nbox_this_time) > BATCH_BYTES(intel))
			nbox_this_time = BOXES_IN_BYTES(BATCH_BYTES(intel));
		nbox_total -= nbox_this_time;

		intel_batch_start_atomic(scrn, 200 + 20 * nbox_this_time);

		IntelEmitInvarientState(scrn);
		intel->last_3d = LAST_3D_VIDEO;

		/* draw rect -- just clipping */
		OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
		OUT_BATCH(DRAW_DITHER_OFS_X(pixmap->drawable.x & 3) |
			  DRAW_DITHER_OFS_Y(pixmap->drawable.y & 3));
		OUT_BATCH(0x00000000);	/* ymin, xmin */
		/* ymax, xmax */
		OUT_BATCH((target->drawable.width - 1) |
			  (target->drawable.height - 1) << 16);
		OUT_BATCH(0x00000000);	/* yorigin, xorigin */

		OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(2) |
			  I1_LOAD_S(5) | I1_LOAD_S(6) | 2);
		OUT_BATCH(S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D) |
			  S2_TEXCOORD_FMT(1, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(2, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(3, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(4, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(5, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(6, TEXCOORDFMT_NOT_PRESENT) |
			  S2_TEXCOORD_FMT(7, TEXCOORDFMT_NOT_PRESENT));
		s5 = 0x0;
		if (intel->cpp == 2)
			s5 |= S5_COLOR_DITHER_ENABLE;
		OUT_BATCH(s5);	/* S5 - enable bits */
		OUT_BATCH((2 << S6_DEPTH_TEST_FUNC_SHIFT) |
			  (2 << S6_CBUF_SRC_BLEND_FACT_SHIFT) |
			  (1 << S6_CBUF_DST_BLEND_FACT_SHIFT) |
			  S6_COLOR_WRITE_ENABLE | (2 << S6_TRISTRIP_PV_SHIFT));

		OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
		OUT_BATCH(0x00000000);

		OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
		if (intel->cpp == 2)
			format = COLR_BUF_RGB565;
		else
			format =
			    COLR_BUF_ARGB8888 | DEPTH_FRMT_24_FIXED_8_OTHER;

		OUT_BATCH(LOD_PRECLAMP_OGL |
			  DSTORG_HORT_BIAS(0x8) |
			  DSTORG_VERT_BIAS(0x8) | format);

		/* front buffer, pitch, offset */
		if (intel_uxa_pixmap_tiled(target)) {
			tiling = BUF_3D_TILED_SURFACE;
			if (intel_uxa_get_pixmap_private(target)->tiling == I915_TILING_Y)
				tiling |= BUF_3D_TILE_WALK_Y;
		} else
			tiling = 0;
		OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
		OUT_BATCH(BUF_3D_ID_COLOR_BACK | tiling |
			  BUF_3D_PITCH(intel_pixmap_pitch(target)));
		OUT_RELOC_PIXMAP(target, I915_GEM_DOMAIN_RENDER,
				 I915_GEM_DOMAIN_RENDER, 0);

		if (!is_planar_fourcc(id)) {
			FS_LOCALS();

			OUT_BATCH(_3DSTATE_PIXEL_SHADER_CONSTANTS | 4);
			OUT_BATCH(0x0000001);	/* constant 0 */
			/* constant 0: brightness/contrast */
			OUT_BATCH_F(adaptor_priv->brightness / 128.0);
			OUT_BATCH_F(adaptor_priv->contrast / 255.0);
			OUT_BATCH_F(0.0);
			OUT_BATCH_F(0.0);

			OUT_BATCH(_3DSTATE_SAMPLER_STATE | 3);
			OUT_BATCH(0x00000001);
			OUT_BATCH(SS2_COLORSPACE_CONVERSION |
				  (FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
				  (FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
			OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCX_ADDR_MODE_SHIFT) |
				  (TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCY_ADDR_MODE_SHIFT) |
				  (0 << SS3_TEXTUREMAP_INDEX_SHIFT) |
				  SS3_NORMALIZED_COORDS);
			OUT_BATCH(0x00000000);

			OUT_BATCH(_3DSTATE_MAP_STATE | 3);
			OUT_BATCH(0x00000001);	/* texture map #1 */
			if (adaptor_priv->buf)
				OUT_RELOC(adaptor_priv->buf,
					  I915_GEM_DOMAIN_SAMPLER, 0,
					  adaptor_priv->YBufOffset);
			else
				OUT_BATCH(adaptor_priv->YBufOffset);

			ms3 = MAPSURF_422;
			switch (id) {
			case FOURCC_YUY2:
				ms3 |= MT_422_YCRCB_NORMAL;
				break;
			case FOURCC_UYVY:
				ms3 |= MT_422_YCRCB_SWAPY;
				break;
			}
			ms3 |= (height - 1) << MS3_HEIGHT_SHIFT;
			ms3 |= (width - 1) << MS3_WIDTH_SHIFT;
			OUT_BATCH(ms3);
			OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);

			FS_BEGIN();
			i915_fs_dcl(FS_S0);
			i915_fs_dcl(FS_T0);
			i915_fs_texld(FS_OC, FS_S0, FS_T0);
			if (adaptor_priv->brightness != 0) {
				i915_fs_add(FS_OC,
					    i915_fs_operand_reg(FS_OC),
					    i915_fs_operand(FS_C0, X, X, X,
							    ZERO));
			}
			FS_END();
		} else {
			FS_LOCALS();

			/* For the planar formats, we set up three samplers --
			 * one for each plane, in a Y8 format.  Because I
			 * couldn't get the special PLANAR_TO_PACKED
			 * shader setup to work, I did the manual pixel shader:
			 *
			 * y' = y - .0625
			 * u' = u - .5
			 * v' = v - .5;
			 *
			 * r = 1.1643 * y' + 0.0     * u' + 1.5958  * v'
			 * g = 1.1643 * y' - 0.39173 * u' - 0.81290 * v'
			 * b = 1.1643 * y' + 2.017   * u' + 0.0     * v'
			 *
			 * register assignment:
			 * r0 = (y',u',v',0)
			 * r1 = (y,y,y,y)
			 * r2 = (u,u,u,u)
			 * r3 = (v,v,v,v)
			 * OC = (r,g,b,1)
			 */
			OUT_BATCH(_3DSTATE_PIXEL_SHADER_CONSTANTS | (22 - 2));
			OUT_BATCH(0x000001f);	/* constants 0-4 */
			/* constant 0: normalization offsets */
			OUT_BATCH_F(-0.0625);
			OUT_BATCH_F(-0.5);
			OUT_BATCH_F(-0.5);
			OUT_BATCH_F(0.0);
			/* constant 1: r coefficients */
			OUT_BATCH_F(1.1643);
			OUT_BATCH_F(0.0);
			OUT_BATCH_F(1.5958);
			OUT_BATCH_F(0.0);
			/* constant 2: g coefficients */
			OUT_BATCH_F(1.1643);
			OUT_BATCH_F(-0.39173);
			OUT_BATCH_F(-0.81290);
			OUT_BATCH_F(0.0);
			/* constant 3: b coefficients */
			OUT_BATCH_F(1.1643);
			OUT_BATCH_F(2.017);
			OUT_BATCH_F(0.0);
			OUT_BATCH_F(0.0);
			/* constant 4: brightness/contrast */
			OUT_BATCH_F(adaptor_priv->brightness / 128.0);
			OUT_BATCH_F(adaptor_priv->contrast / 255.0);
			OUT_BATCH_F(0.0);
			OUT_BATCH_F(0.0);

			OUT_BATCH(_3DSTATE_SAMPLER_STATE | 9);
			OUT_BATCH(0x00000007);
			/* sampler 0 */
			OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
				  (FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
			OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCX_ADDR_MODE_SHIFT) |
				  (TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCY_ADDR_MODE_SHIFT) |
				  (0 << SS3_TEXTUREMAP_INDEX_SHIFT) |
				  SS3_NORMALIZED_COORDS);
			OUT_BATCH(0x00000000);
			/* sampler 1 */
			OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
				  (FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
			OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCX_ADDR_MODE_SHIFT) |
				  (TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCY_ADDR_MODE_SHIFT) |
				  (1 << SS3_TEXTUREMAP_INDEX_SHIFT) |
				  SS3_NORMALIZED_COORDS);
			OUT_BATCH(0x00000000);
			/* sampler 2 */
			OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
				  (FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
			OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCX_ADDR_MODE_SHIFT) |
				  (TEXCOORDMODE_CLAMP_EDGE <<
				   SS3_TCY_ADDR_MODE_SHIFT) |
				  (2 << SS3_TEXTUREMAP_INDEX_SHIFT) |
				  SS3_NORMALIZED_COORDS);
			OUT_BATCH(0x00000000);

			OUT_BATCH(_3DSTATE_MAP_STATE | 9);
			OUT_BATCH(0x00000007);

			if (adaptor_priv->buf)
				OUT_RELOC(adaptor_priv->buf,
					  I915_GEM_DOMAIN_SAMPLER, 0,
					  adaptor_priv->YBufOffset);
			else
				OUT_BATCH(adaptor_priv->YBufOffset);

			ms3 = MAPSURF_8BIT | MT_8BIT_I8;
			ms3 |= (height - 1) << MS3_HEIGHT_SHIFT;
			ms3 |= (width - 1) << MS3_WIDTH_SHIFT;
			OUT_BATCH(ms3);
			/* check to see if Y has special pitch than normal
			 * double u/v pitch, e.g i915 XvMC hw requires at
			 * least 1K alignment, so Y pitch might
			 * be same as U/V's.*/
			if (video_pitch2)
				OUT_BATCH(((video_pitch2 / 4) -
					   1) << MS4_PITCH_SHIFT);
			else
				OUT_BATCH(((video_pitch * 2 / 4) -
					   1) << MS4_PITCH_SHIFT);

			if (adaptor_priv->buf)
				OUT_RELOC(adaptor_priv->buf,
					  I915_GEM_DOMAIN_SAMPLER, 0,
					  adaptor_priv->UBufOffset);
			else
				OUT_BATCH(adaptor_priv->UBufOffset);

			ms3 = MAPSURF_8BIT | MT_8BIT_I8;
			ms3 |= (height / 2 - 1) << MS3_HEIGHT_SHIFT;
			ms3 |= (width / 2 - 1) << MS3_WIDTH_SHIFT;
			OUT_BATCH(ms3);
			OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);

			if (adaptor_priv->buf)
				OUT_RELOC(adaptor_priv->buf,
					  I915_GEM_DOMAIN_SAMPLER, 0,
					  adaptor_priv->VBufOffset);
			else
				OUT_BATCH(adaptor_priv->VBufOffset);

			ms3 = MAPSURF_8BIT | MT_8BIT_I8;
			ms3 |= (height / 2 - 1) << MS3_HEIGHT_SHIFT;
			ms3 |= (width / 2 - 1) << MS3_WIDTH_SHIFT;
			OUT_BATCH(ms3);
			OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);

			FS_BEGIN();
			/* Declare samplers */
			i915_fs_dcl(FS_S0);	/* Y */
			i915_fs_dcl(FS_S1);	/* U */
			i915_fs_dcl(FS_S2);	/* V */
			i915_fs_dcl(FS_T0);	/* normalized coords */

			/* Load samplers to temporaries. */
			i915_fs_texld(FS_R1, FS_S0, FS_T0);
			i915_fs_texld(FS_R2, FS_S1, FS_T0);
			i915_fs_texld(FS_R3, FS_S2, FS_T0);

			/* Move the sampled YUV data in R[123] to the first
			 * 3 channels of R0.
			 */
			i915_fs_mov_masked(FS_R0, MASK_X,
					   i915_fs_operand_reg(FS_R1));
			i915_fs_mov_masked(FS_R0, MASK_Y,
					   i915_fs_operand_reg(FS_R2));
			i915_fs_mov_masked(FS_R0, MASK_Z,
					   i915_fs_operand_reg(FS_R3));

			/* Normalize the YUV data */
			i915_fs_add(FS_R0, i915_fs_operand_reg(FS_R0),
				    i915_fs_operand_reg(FS_C0));
			/* dot-product the YUV data in R0 by the vectors of
			 * coefficients for calculating R, G, and B, storing
			 * the results in the R, G, or B channels of the output
			 * color.  The OC results are implicitly clamped
			 * at the end of the program.
			 */
			i915_fs_dp3(FS_OC, MASK_X,
				    i915_fs_operand_reg(FS_R0),
				    i915_fs_operand_reg(FS_C1));
			i915_fs_dp3(FS_OC, MASK_Y,
				    i915_fs_operand_reg(FS_R0),
				    i915_fs_operand_reg(FS_C2));
			i915_fs_dp3(FS_OC, MASK_Z,
				    i915_fs_operand_reg(FS_R0),
				    i915_fs_operand_reg(FS_C3));
			/* Set alpha of the output to 1.0, by wiring W to 1
			 * and not actually using the source.
			 */
			i915_fs_mov_masked(FS_OC, MASK_W,
					   i915_fs_operand_one());

			if (adaptor_priv->brightness != 0) {
				i915_fs_add(FS_OC,
					    i915_fs_operand_reg(FS_OC),
					    i915_fs_operand(FS_C4, X, X, X,
							    ZERO));
			}
			FS_END();
		}

		OUT_BATCH(PRIM3D_RECTLIST | (12 * nbox_this_time - 1));
		while (nbox_this_time--) {
			int box_x1 = pbox->x1;
			int box_y1 = pbox->y1;
			int box_x2 = pbox->x2;
			int box_y2 = pbox->y2;
			float src_scale_x, src_scale_y;

			pbox++;

			src_scale_x = ((float)src_w / width) / drw_w;
			src_scale_y = ((float)src_h / height) / drw_h;

			/* vertex data - rect list consists of bottom right,
			 * bottom left, and top left vertices.
			 */

			/* bottom right */
			OUT_BATCH_F(box_x2 + pix_xoff);
			OUT_BATCH_F(box_y2 + pix_yoff);
			OUT_BATCH_F((box_x2 - dxo) * src_scale_x);
			OUT_BATCH_F((box_y2 - dyo) * src_scale_y);

			/* bottom left */
			OUT_BATCH_F(box_x1 + pix_xoff);
			OUT_BATCH_F(box_y2 + pix_yoff);
			OUT_BATCH_F((box_x1 - dxo) * src_scale_x);
			OUT_BATCH_F((box_y2 - dyo) * src_scale_y);

			/* top left */
			OUT_BATCH_F(box_x1 + pix_xoff);
			OUT_BATCH_F(box_y1 + pix_yoff);
			OUT_BATCH_F((box_x1 - dxo) * src_scale_x);
			OUT_BATCH_F((box_y1 - dyo) * src_scale_y);
		}

		intel_batch_end_atomic(scrn);
	}

	if (target != pixmap) {
		GCPtr gc;

		gc = GetScratchGC(pixmap->drawable.depth,
				  pixmap->drawable.pScreen);
		if (gc) {
			gc->subWindowMode = ClipByChildren;

			if (REGION_NUM_RECTS(dstRegion) > 1) {
				RegionPtr tmp;

				tmp = REGION_CREATE(pixmap->drawable.pScreen, NULL, 0);
				if (tmp) {
					REGION_COPY(pixmap->drawable.pScreen, tmp, dstRegion);
					gc->funcs->ChangeClip(gc, CT_REGION, tmp, 0);
				}
			}

			ValidateGC(&pixmap->drawable, gc);
			gc->ops->CopyArea(&target->drawable, &pixmap->drawable, gc,
					  0, 0,
					  target->drawable.width,
					  target->drawable.height,
					  -pix_xoff, -pix_yoff);
			FreeScratchGC(gc);
		}

		target->drawable.pScreen->DestroyPixmap(target);
	}

	intel_uxa_debug_flush(scrn);
}
static void
copy(int fd, uint32_t dst, uint32_t src)
{
	uint32_t batch[1024], *b = batch;
	struct drm_i915_gem_relocation_entry reloc[2], *r = reloc;
	struct drm_i915_gem_exec_object2 obj[3];
	struct drm_i915_gem_execbuffer2 exec;
	uint32_t handle;
	int ret;

	/* invariant state */
	*b++ = (_3DSTATE_AA_CMD |
		AA_LINE_ECAAR_WIDTH_ENABLE |
		AA_LINE_ECAAR_WIDTH_1_0 |
		AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
	*b++ = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
		IAB_MODIFY_ENABLE |
		IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) |
		IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE <<
					 IAB_SRC_FACTOR_SHIFT) |
		IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO <<
					 IAB_DST_FACTOR_SHIFT));
	*b++ = (_3DSTATE_DFLT_DIFFUSE_CMD);
	*b++ = (0);
	*b++ = (_3DSTATE_DFLT_SPEC_CMD);
	*b++ = (0);
	*b++ = (_3DSTATE_DFLT_Z_CMD);
	*b++ = (0);
	*b++ = (_3DSTATE_COORD_SET_BINDINGS |
		CSB_TCB(0, 0) |
		CSB_TCB(1, 1) |
		CSB_TCB(2, 2) |
		CSB_TCB(3, 3) |
		CSB_TCB(4, 4) |
		CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7));
	*b++ = (_3DSTATE_RASTER_RULES_CMD |
		ENABLE_POINT_RASTER_RULE |
		OGL_POINT_RASTER_RULE |
		ENABLE_LINE_STRIP_PROVOKE_VRTX |
		ENABLE_TRI_FAN_PROVOKE_VRTX |
		LINE_STRIP_PROVOKE_VRTX(1) |
		TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D);
	*b++ = (_3DSTATE_MODES_4_CMD |
		ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) |
		ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) |
		ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff));
	*b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2);
	*b++ = (0x00000000);	/* Disable texture coordinate wrap-shortest */
	*b++ = ((1 << S4_POINT_WIDTH_SHIFT) |
		S4_LINE_WIDTH_ONE |
		S4_CULLMODE_NONE |
		S4_VFMT_XY);
	*b++ = (0x00000000);	/* Stencil. */
	*b++ = (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
	*b++ = (_3DSTATE_SCISSOR_RECT_0_CMD);
	*b++ = (0);
	*b++ = (0);
	*b++ = (_3DSTATE_DEPTH_SUBRECT_DISABLE);
	*b++ = (_3DSTATE_LOAD_INDIRECT | 0);	/* disable indirect state */
	*b++ = (0);
	*b++ = (_3DSTATE_STIPPLE);
	*b++ = (0x00000000);
	*b++ = (_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0);

	/* samler state */
#define TEX_COUNT 1
	*b++ = (_3DSTATE_MAP_STATE | (3 * TEX_COUNT));
	*b++ = ((1 << TEX_COUNT) - 1);
	*b = fill_reloc(r++, b-batch, src, I915_GEM_DOMAIN_SAMPLER, 0); b++;
	*b++ = (MAPSURF_32BIT | MT_32BIT_ARGB8888 |
		MS3_TILED_SURFACE |
		(HEIGHT - 1) << MS3_HEIGHT_SHIFT |
		(WIDTH - 1) << MS3_WIDTH_SHIFT);
	*b++ = ((WIDTH-1) << MS4_PITCH_SHIFT);

	*b++ = (_3DSTATE_SAMPLER_STATE | (3 * TEX_COUNT));
	*b++ = ((1 << TEX_COUNT) - 1);
	*b++ = (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT |
		FILTER_NEAREST << SS2_MAG_FILTER_SHIFT |
		FILTER_NEAREST << SS2_MIN_FILTER_SHIFT);
	*b++ = (TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT |
		TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT |
		0 << SS3_TEXTUREMAP_INDEX_SHIFT);
	*b++ = (0x00000000);

	/* render target state */
	*b++ = (_3DSTATE_BUF_INFO_CMD);
	*b++ = (BUF_3D_ID_COLOR_BACK | BUF_3D_TILED_SURFACE |  WIDTH*4);
	*b = fill_reloc(r++, b-batch, dst,
			I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER);
	b++;

	*b++ = (_3DSTATE_DST_BUF_VARS_CMD);
	*b++ = (COLR_BUF_ARGB8888 |
		DSTORG_HORT_BIAS(0x8) |
		DSTORG_VERT_BIAS(0x8));

	/* draw rect is unconditional */
	*b++ = (_3DSTATE_DRAW_RECT_CMD);
	*b++ = (0x00000000);
	*b++ = (0x00000000);	/* ymin, xmin */
	*b++ = (DRAW_YMAX(HEIGHT - 1) |
		DRAW_XMAX(WIDTH - 1));
	/* yorig, xorig (relate to color buffer?) */
	*b++ = (0x00000000);

	/* texfmt */
	*b++ = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(1) | I1_LOAD_S(2) | I1_LOAD_S(6) | 2);
	*b++ = ((4 << S1_VERTEX_WIDTH_SHIFT) | (4 << S1_VERTEX_PITCH_SHIFT));
	*b++ = (~S2_TEXCOORD_FMT(0, TEXCOORDFMT_NOT_PRESENT) |
		S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D));
	*b++ = (S6_CBUF_BLEND_ENABLE | S6_COLOR_WRITE_ENABLE |
		BLENDFUNC_ADD << S6_CBUF_BLEND_FUNC_SHIFT |
		BLENDFACT_ONE << S6_CBUF_SRC_BLEND_FACT_SHIFT |
		BLENDFACT_ZERO << S6_CBUF_DST_BLEND_FACT_SHIFT);

	/* pixel shader */
	*b++ = (_3DSTATE_PIXEL_SHADER_PROGRAM | (1 + 3*3 - 2));
	/* decl FS_T0 */
	*b++ = (D0_DCL |
		REG_TYPE(FS_T0) << D0_TYPE_SHIFT |
		REG_NR(FS_T0) << D0_NR_SHIFT |
		((REG_TYPE(FS_T0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0));
	*b++ = (0);
	*b++ = (0);
	/* decl FS_S0 */
	*b++ = (D0_DCL |
		(REG_TYPE(FS_S0) << D0_TYPE_SHIFT) |
		(REG_NR(FS_S0) << D0_NR_SHIFT) |
		((REG_TYPE(FS_S0) != REG_TYPE_S) ? D0_CHANNEL_ALL : 0));
	*b++ = (0);
	*b++ = (0);
	/* texld(FS_OC, FS_S0, FS_T0 */
	*b++ = (T0_TEXLD |
		(REG_TYPE(FS_OC) << T0_DEST_TYPE_SHIFT) |
		(REG_NR(FS_OC) << T0_DEST_NR_SHIFT) |
		(REG_NR(FS_S0) << T0_SAMPLER_NR_SHIFT));
	*b++ = ((REG_TYPE(FS_T0) << T1_ADDRESS_REG_TYPE_SHIFT) |
		(REG_NR(FS_T0) << T1_ADDRESS_REG_NR_SHIFT));
	*b++ = (0);

	*b++ = (PRIM3D_RECTLIST | (3*4 - 1));
	*b++ = pack_float(WIDTH);
	*b++ = pack_float(HEIGHT);
	*b++ = pack_float(WIDTH);
	*b++ = pack_float(HEIGHT);

	*b++ = pack_float(0);
	*b++ = pack_float(HEIGHT);
	*b++ = pack_float(0);
	*b++ = pack_float(HEIGHT);

	*b++ = pack_float(0);
	*b++ = pack_float(0);
	*b++ = pack_float(0);
	*b++ = pack_float(0);

	*b++ = MI_BATCH_BUFFER_END;
	if ((b - batch) & 1)
		*b++ = 0;

	igt_assert(b - batch <= 1024);
	handle = gem_create(fd, 4096);
	gem_write(fd, handle, 0, batch, (b-batch)*sizeof(batch[0]));

	igt_assert(r-reloc == 2);

	obj[0].handle = dst;
	obj[0].relocation_count = 0;
	obj[0].relocs_ptr = 0;
	obj[0].alignment = 0;
	obj[0].offset = 0;
	obj[0].flags = 0;
	obj[0].rsvd1 = 0;
	obj[0].rsvd2 = 0;

	obj[1].handle = src;
	obj[1].relocation_count = 0;
	obj[1].relocs_ptr = 0;
	obj[1].alignment = 0;
	obj[1].offset = 0;
	obj[1].flags = 0;
	obj[1].rsvd1 = 0;
	obj[1].rsvd2 = 0;

	obj[2].handle = handle;
	obj[2].relocation_count = 2;
	obj[2].relocs_ptr = (uintptr_t)reloc;
	obj[2].alignment = 0;
	obj[2].offset = 0;
	obj[2].flags = 0;
	obj[2].rsvd1 = obj[2].rsvd2 = 0;

	exec.buffers_ptr = (uintptr_t)obj;
	exec.buffer_count = 3;
	exec.batch_start_offset = 0;
	exec.batch_len = (b-batch)*sizeof(batch[0]);
	exec.DR1 = exec.DR4 = 0;
	exec.num_cliprects = 0;
	exec.cliprects_ptr = 0;
	exec.flags = 0;
	i915_execbuffer2_set_context_id(exec, 0);
	exec.rsvd2 = 0;

	ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
	while (ret && errno == EBUSY) {
		drmCommandNone(fd, DRM_I915_GEM_THROTTLE);
		ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
	}
	igt_assert_eq(ret, 0);

	gem_close(fd, handle);
}
static void
i915_init_packets(struct i915_context *i915)
{
   intelScreenPrivate *screen = i915->intel.intelScreen;

   /* Zero all state */
   memset(&i915->state, 0, sizeof(i915->state));


   {
      I915_STATECHANGE(i915, I915_UPLOAD_CTX);
      /* Probably don't want to upload all this stuff every time one 
       * piece changes.
       */
      i915->state.Ctx[I915_CTXREG_LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
                                         I1_LOAD_S(2) |
                                         I1_LOAD_S(4) |
                                         I1_LOAD_S(5) | I1_LOAD_S(6) | (3));
      i915->state.Ctx[I915_CTXREG_LIS2] = 0;
      i915->state.Ctx[I915_CTXREG_LIS4] = 0;
      i915->state.Ctx[I915_CTXREG_LIS5] = 0;

      if (screen->cpp == 2)     /* XXX FBO fix */
         i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;


      i915->state.Ctx[I915_CTXREG_LIS6] = (S6_COLOR_WRITE_ENABLE |
                                           (2 << S6_TRISTRIP_PV_SHIFT));

      i915->state.Ctx[I915_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
                                             ENABLE_LOGIC_OP_FUNC |
                                             LOGIC_OP_FUNC(LOGICOP_COPY) |
                                             ENABLE_STENCIL_TEST_MASK |
                                             STENCIL_TEST_MASK(0xff) |
                                             ENABLE_STENCIL_WRITE_MASK |
                                             STENCIL_WRITE_MASK(0xff));

      i915->state.Ctx[I915_CTXREG_IAB] =
         (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | IAB_MODIFY_ENABLE |
          IAB_MODIFY_FUNC | IAB_MODIFY_SRC_FACTOR | IAB_MODIFY_DST_FACTOR);

      i915->state.Ctx[I915_CTXREG_BLENDCOLOR0] =
         _3DSTATE_CONST_BLEND_COLOR_CMD;
      i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = 0;

   }

   {
      I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
      i915->state.Stipple[I915_STPREG_ST0] = _3DSTATE_STIPPLE;
   }


   {
      I915_STATECHANGE(i915, I915_UPLOAD_FOG);
      i915->state.Fog[I915_FOGREG_MODE0] = _3DSTATE_FOG_MODE_CMD;
      i915->state.Fog[I915_FOGREG_MODE1] = (FMC1_FOGFUNC_MODIFY_ENABLE |
                                            FMC1_FOGFUNC_VERTEX |
                                            FMC1_FOGINDEX_MODIFY_ENABLE |
                                            FMC1_FOGINDEX_W |
                                            FMC1_C1_C2_MODIFY_ENABLE |
                                            FMC1_DENSITY_MODIFY_ENABLE);
      i915->state.Fog[I915_FOGREG_COLOR] = _3DSTATE_FOG_COLOR_CMD;
   }


   {
      I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
      /* color buffer offset/stride */
      i915->state.Buffer[I915_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
      i915->state.Buffer[I915_DESTREG_CBUFADDR1] = (BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(screen->front.pitch) |  /* pitch in bytes */
                                                    BUF_3D_USE_FENCE);

      i915->state.Buffer[I915_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
      i915->state.Buffer[I915_DESTREG_DBUFADDR1] = (BUF_3D_ID_DEPTH | BUF_3D_PITCH(screen->depth.pitch) |       /* pitch in bytes */
                                                    BUF_3D_USE_FENCE);

      i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;

      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
#if 0                           /* seems we don't need this */
      switch (screen->fbFormat) {
      case DV_PF_565:
         i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) |        /* .5 */
                                                 DSTORG_VERT_BIAS(0x8) |        /* .5 */
                                                 LOD_PRECLAMP_OGL |
                                                 TEX_DEFAULT_COLOR_OGL |
                                                 DITHER_FULL_ALWAYS |
                                                 screen->fbFormat |
                                                 DEPTH_FRMT_16_FIXED);
         break;
      case DV_PF_8888:
         i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) |        /* .5 */
                                                 DSTORG_VERT_BIAS(0x8) |        /* .5 */
                                                 LOD_PRECLAMP_OGL |
                                                 TEX_DEFAULT_COLOR_OGL |
                                                 screen->fbFormat |
                                                 DEPTH_FRMT_24_FIXED_8_OTHER);
         break;
      }
#endif


      /* scissor */
      i915->state.Buffer[I915_DESTREG_SENABLE] =
         (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
      i915->state.Buffer[I915_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
      i915->state.Buffer[I915_DESTREG_SR1] = 0;
      i915->state.Buffer[I915_DESTREG_SR2] = 0;
   }


#if 0
   {
      I915_STATECHANGE(i915, I915_UPLOAD_DEFAULTS);
      i915->state.Default[I915_DEFREG_C0] = _3DSTATE_DEFAULT_DIFFUSE;
      i915->state.Default[I915_DEFREG_C1] = 0;
      i915->state.Default[I915_DEFREG_S0] = _3DSTATE_DEFAULT_SPECULAR;
      i915->state.Default[I915_DEFREG_S1] = 0;
      i915->state.Default[I915_DEFREG_Z0] = _3DSTATE_DEFAULT_Z;
      i915->state.Default[I915_DEFREG_Z1] = 0;
   }
#endif


   /* These will be emitted every at the head of every buffer, unless
    * we get hardware contexts working.
    */
   i915->state.active = (I915_UPLOAD_PROGRAM |
                         I915_UPLOAD_STIPPLE |
                         I915_UPLOAD_CTX |
                         I915_UPLOAD_BUFFERS | I915_UPLOAD_INVARIENT);
}
Exemple #11
0
static void i830_init_packets( i830ContextPtr i830 )
{
   intelScreenPrivate *screen = i830->intel.intelScreen;

   /* Zero all state */
   memset(&i830->state, 0, sizeof(i830->state));

   /* Set default blend state */
   i830->state.TexBlend[0][0] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
				  TEXPIPE_COLOR |
				  ENABLE_TEXOUTPUT_WRT_SEL |
				  TEXOP_OUTPUT_CURRENT |
				  DISABLE_TEX_CNTRL_STAGE |
				  TEXOP_SCALE_1X |
				  TEXOP_MODIFY_PARMS |
				  TEXOP_LAST_STAGE |
				  TEXBLENDOP_ARG1);
   i830->state.TexBlend[0][1] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
				  TEXPIPE_ALPHA |
				  ENABLE_TEXOUTPUT_WRT_SEL |
				  TEXOP_OUTPUT_CURRENT |
				  TEXOP_SCALE_1X |
				  TEXOP_MODIFY_PARMS |
				  TEXBLENDOP_ARG1);
   i830->state.TexBlend[0][2] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
				  TEXPIPE_COLOR |
				  TEXBLEND_ARG1 |
				  TEXBLENDARG_MODIFY_PARMS |
				  TEXBLENDARG_DIFFUSE);
   i830->state.TexBlend[0][3] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
				  TEXPIPE_ALPHA |
				  TEXBLEND_ARG1 |
				  TEXBLENDARG_MODIFY_PARMS |
				  TEXBLENDARG_DIFFUSE);

   i830->state.TexBlendWordsUsed[0] = 4;


   i830->state.Ctx[I830_CTXREG_VF] =  0;
   i830->state.Ctx[I830_CTXREG_VF2] = 0;

   i830->state.Ctx[I830_CTXREG_AA] = (_3DSTATE_AA_CMD |
				      AA_LINE_ECAAR_WIDTH_ENABLE |
				      AA_LINE_ECAAR_WIDTH_1_0 |
				      AA_LINE_REGION_WIDTH_ENABLE |
				      AA_LINE_REGION_WIDTH_1_0 | 
				      AA_LINE_DISABLE);

   i830->state.Ctx[I830_CTXREG_ENABLES_1] = (_3DSTATE_ENABLES_1_CMD |
					     DISABLE_LOGIC_OP |
					     DISABLE_STENCIL_TEST |
					     DISABLE_DEPTH_BIAS |
					     DISABLE_SPEC_ADD |
					     DISABLE_FOG |
					     DISABLE_ALPHA_TEST |
					     DISABLE_COLOR_BLEND |
					     DISABLE_DEPTH_TEST);

   if (i830->intel.hw_stencil) {
      i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
						ENABLE_STENCIL_WRITE |
						ENABLE_TEX_CACHE |
						ENABLE_DITHER |
						ENABLE_COLOR_MASK |
						/* set no color comps disabled */
						ENABLE_COLOR_WRITE |
						ENABLE_DEPTH_WRITE);
   } else {
      i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
						DISABLE_STENCIL_WRITE |
						ENABLE_TEX_CACHE |
						ENABLE_DITHER |
						ENABLE_COLOR_MASK |
						/* set no color comps disabled */
						ENABLE_COLOR_WRITE |
						ENABLE_DEPTH_WRITE);
   }

   i830->state.Ctx[I830_CTXREG_STATE1] = (_3DSTATE_MODES_1_CMD |
					  ENABLE_COLR_BLND_FUNC |
					  BLENDFUNC_ADD |
					  ENABLE_SRC_BLND_FACTOR |
					  SRC_BLND_FACT(BLENDFACT_ONE) | 
					  ENABLE_DST_BLND_FACTOR |
					  DST_BLND_FACT(BLENDFACT_ZERO) );

   i830->state.Ctx[I830_CTXREG_STATE2] = (_3DSTATE_MODES_2_CMD |
					  ENABLE_GLOBAL_DEPTH_BIAS | 
					  GLOBAL_DEPTH_BIAS(0) |
					  ENABLE_ALPHA_TEST_FUNC | 
					  ALPHA_TEST_FUNC(COMPAREFUNC_ALWAYS) |
					  ALPHA_REF_VALUE(0) );

   i830->state.Ctx[I830_CTXREG_STATE3] = (_3DSTATE_MODES_3_CMD |
					  ENABLE_DEPTH_TEST_FUNC |
					  DEPTH_TEST_FUNC(COMPAREFUNC_LESS) |
					  ENABLE_ALPHA_SHADE_MODE |
					  ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
					  ENABLE_FOG_SHADE_MODE |
					  FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
					  ENABLE_SPEC_SHADE_MODE |
					  SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
					  ENABLE_COLOR_SHADE_MODE |
					  COLOR_SHADE_MODE(SHADE_MODE_LINEAR) |
					  ENABLE_CULL_MODE |
					  CULLMODE_NONE);

   i830->state.Ctx[I830_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
					  ENABLE_LOGIC_OP_FUNC |
					  LOGIC_OP_FUNC(LOGICOP_COPY) |
					  ENABLE_STENCIL_TEST_MASK |
					  STENCIL_TEST_MASK(0xff) |
					  ENABLE_STENCIL_WRITE_MASK |
					  STENCIL_WRITE_MASK(0xff));

   i830->state.Ctx[I830_CTXREG_STENCILTST] = (_3DSTATE_STENCIL_TEST_CMD |
					      ENABLE_STENCIL_PARMS |
					      STENCIL_FAIL_OP(STENCILOP_KEEP) |
					      STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_KEEP) |
					      STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_KEEP) |
					      ENABLE_STENCIL_TEST_FUNC |
					      STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS) |
					      ENABLE_STENCIL_REF_VALUE |
					      STENCIL_REF_VALUE(0) );

   i830->state.Ctx[I830_CTXREG_STATE5] = (_3DSTATE_MODES_5_CMD |
					  FLUSH_TEXTURE_CACHE |
					  ENABLE_SPRITE_POINT_TEX |
					  SPRITE_POINT_TEX_OFF |
					  ENABLE_FIXED_LINE_WIDTH |
					  FIXED_LINE_WIDTH(0x2) | /* 1.0 */
					  ENABLE_FIXED_POINT_WIDTH |
					  FIXED_POINT_WIDTH(1) );

   i830->state.Ctx[I830_CTXREG_IALPHAB] = (_3DSTATE_INDPT_ALPHA_BLEND_CMD |
					   DISABLE_INDPT_ALPHA_BLEND |
					   ENABLE_ALPHA_BLENDFUNC |
					   ABLENDFUNC_ADD);

   i830->state.Ctx[I830_CTXREG_FOGCOLOR] = (_3DSTATE_FOG_COLOR_CMD |
					    FOG_COLOR_RED(0) |
					    FOG_COLOR_GREEN(0) |
					    FOG_COLOR_BLUE(0));

   i830->state.Ctx[I830_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
   i830->state.Ctx[I830_CTXREG_BLENDCOLOR1] = 0;

   i830->state.Ctx[I830_CTXREG_MCSB0] = _3DSTATE_MAP_COORD_SETBIND_CMD;
   i830->state.Ctx[I830_CTXREG_MCSB1] = (TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
					 TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
					 TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
					 TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
					 

   i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE;

   i830->state.Buffer[I830_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
   i830->state.Buffer[I830_DESTREG_CBUFADDR1] = 
      (BUF_3D_ID_COLOR_BACK | 
       BUF_3D_PITCH(screen->front.pitch) |  /* pitch in bytes */
       BUF_3D_USE_FENCE);


   i830->state.Buffer[I830_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
   i830->state.Buffer[I830_DESTREG_DBUFADDR1] = 
      (BUF_3D_ID_DEPTH |
       BUF_3D_PITCH(screen->depth.pitch) |  /* pitch in bytes */
       BUF_3D_USE_FENCE);
   i830->state.Buffer[I830_DESTREG_DBUFADDR2] = screen->depth.offset;


   i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;

   switch (screen->fbFormat) {
   case DV_PF_555:
   case DV_PF_565:
      i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
					      DSTORG_VERT_BIAS(0x8) | /* .5 */
					      screen->fbFormat |
					      DEPTH_IS_Z |
					      DEPTH_FRMT_16_FIXED);
      break;
   case DV_PF_8888:
      i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
					      DSTORG_VERT_BIAS(0x8) | /* .5 */
					      screen->fbFormat |
					      DEPTH_IS_Z |
					      DEPTH_FRMT_24_FIXED_8_OTHER);
      break;
   }

   i830->state.Buffer[I830_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
					       DISABLE_SCISSOR_RECT);
   i830->state.Buffer[I830_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
   i830->state.Buffer[I830_DESTREG_SR1] = 0;
   i830->state.Buffer[I830_DESTREG_SR2] = 0;
}