Beispiel #1
0
/* Set stencil unit to replace always with the reference value.
 */
static void set_stencil_replace( i830ContextPtr i830,
				 GLuint s_mask,
				 GLuint s_clear)
{
   /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE )
    */
   i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_STENCIL_TEST;
   i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_STENCIL_WRITE;


   /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
    */
   i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK;
   i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK;
   i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST;
   i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE;

   /* ctx->Driver.StencilMask( ctx, s_mask )
    */
   i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
   i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
					   STENCIL_WRITE_MASK((s_mask&0xff)));

   /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE )
    */
   i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK);
   i830->meta.Ctx[I830_CTXREG_STENCILTST] |= 
      (ENABLE_STENCIL_PARMS |
       STENCIL_FAIL_OP(STENCILOP_REPLACE) |
       STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_REPLACE) |
       STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_REPLACE));

   /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_clear, ~0 )
    */
   i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
   i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
					   STENCIL_TEST_MASK(0xff));

   i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_REF_VALUE_MASK |
						ENABLE_STENCIL_TEST_FUNC_MASK);
   i830->meta.Ctx[I830_CTXREG_STENCILTST] |= 
      (ENABLE_STENCIL_REF_VALUE |
       ENABLE_STENCIL_TEST_FUNC |
       STENCIL_REF_VALUE((s_clear&0xff)) |
       STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS));



   i830->meta.emitted &= ~I830_UPLOAD_CTX;
}
Beispiel #2
0
static void i830ClearWithTris(GLcontext *ctx, GLbitfield mask,
				 GLboolean all,
				 GLint cx, GLint cy, GLint cw, GLint ch)
{
   i830ContextPtr imesa = I830_CONTEXT( ctx );
   __DRIdrawablePrivate *dPriv = imesa->driDrawable;
   i830ScreenPrivate *i830Screen = imesa->i830Screen;
   I830SAREAPtr sarea = imesa->sarea;
   GLuint old_vertex_prim;
   GLuint old_dirty;
   int x0, y0, x1, y1;

   if (I830_DEBUG & DEBUG_IOCTL)
     fprintf(stderr, "Clearing with triangles\n");

   old_dirty = imesa->dirty & ~I830_UPLOAD_CLIPRECTS;
   /* Discard all the dirty flags except the cliprect one, reset later */
   imesa->dirty &= I830_UPLOAD_CLIPRECTS;

   if(!all) {
      x0 = cx;
      y0 = cy;
      x1 = x0 + cw;
      y1 = y0 + ch;
   } else {
      x0 = 0;
      y0 = 0;
      x1 = x0 + dPriv->w;
      y1 = y0 + dPriv->h;
   }

   /* Clip to Screen */
   if (x0 < 0) x0 = 0;
   if (y0 < 0) y0 = 0;
   if (x1 > i830Screen->width-1) x1 = i830Screen->width-1;
   if (y1 > i830Screen->height-1) y1 = i830Screen->height-1;

   LOCK_HARDWARE(imesa);
   memcpy(sarea->ContextState,
	  imesa->Init_Setup,
	  sizeof(imesa->Setup) );
   memcpy(sarea->BufferState,
	  imesa->BufferSetup,
	  sizeof(imesa->BufferSetup) );
   sarea->StippleState[I830_STPREG_ST1] = 0;

   old_vertex_prim = imesa->hw_primitive;
   imesa->hw_primitive = PRIM3D_TRIFAN;

   if(mask & DD_FRONT_LEFT_BIT) {
      GLuint tmp = sarea->ContextState[I830_CTXREG_ENABLES_2];

      sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS |
		       I830_UPLOAD_TEXBLEND0);

      sarea->TexBlendState[0][0] = (STATE3D_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);
      sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) |
				    TEXPIPE_ALPHA |
				    ENABLE_TEXOUTPUT_WRT_SEL |
				    TEXOP_OUTPUT_CURRENT |
				    TEXOP_SCALE_1X |
				    TEXOP_MODIFY_PARMS |
				    TEXBLENDOP_ARG1);
      sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_COLOR |
				    TEXBLEND_ARG1 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_ALPHA |
				    TEXBLEND_ARG1 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendStateWordsUsed[0] = 4;

      tmp &= ~(ENABLE_STENCIL_WRITE | ENABLE_DEPTH_WRITE);
      tmp |= (DISABLE_STENCIL_WRITE | 
	      DISABLE_DEPTH_WRITE |
	      (imesa->mask_red << WRITEMASK_RED_SHIFT) |
	      (imesa->mask_green << WRITEMASK_GREEN_SHIFT) |
	      (imesa->mask_blue << WRITEMASK_BLUE_SHIFT) |
	      (imesa->mask_alpha << WRITEMASK_ALPHA_SHIFT));
      sarea->ContextState[I830_CTXREG_ENABLES_2] = tmp;

      if(0)
	fprintf(stderr, "fcdq : r_mask(%d) g_mask(%d) b_mask(%d) a_mask(%d)\n",
		imesa->mask_red, imesa->mask_green, imesa->mask_blue,
		imesa->mask_alpha);

      sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->fbOffset;

      if(0)
	fprintf(stderr, "fcdq : x0(%d) x1(%d) y0(%d) y1(%d)\n"
		"r(0x%x) g(0x%x) b(0x%x) a(0x%x)\n",
		x0, x1, y0, y1, imesa->clear_red, imesa->clear_green,
		imesa->clear_blue, imesa->clear_alpha);

      i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1,
			   imesa->clear_red, imesa->clear_green,
		   imesa->clear_blue, imesa->clear_alpha);
      i830FlushPrimsLocked( imesa );
   }

   if(mask & DD_BACK_LEFT_BIT) {
      GLuint tmp = sarea->ContextState[I830_CTXREG_ENABLES_2];

      sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS |
		       I830_UPLOAD_TEXBLEND0);

      sarea->TexBlendState[0][0] = (STATE3D_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);
      sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) |
				    TEXPIPE_ALPHA |
				    ENABLE_TEXOUTPUT_WRT_SEL |
				    TEXOP_OUTPUT_CURRENT |
				    TEXOP_SCALE_1X |
				    TEXOP_MODIFY_PARMS |
				    TEXBLENDOP_ARG1);
      sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_COLOR |
				    TEXBLEND_ARG1 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_ALPHA |
				    TEXBLEND_ARG2 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendStateWordsUsed[0] = 4;

      tmp &= ~(ENABLE_STENCIL_WRITE | ENABLE_DEPTH_WRITE);
      tmp |= (DISABLE_STENCIL_WRITE | 
	      DISABLE_DEPTH_WRITE |
	      (imesa->mask_red << WRITEMASK_RED_SHIFT) |
	      (imesa->mask_green << WRITEMASK_GREEN_SHIFT) |
	      (imesa->mask_blue << WRITEMASK_BLUE_SHIFT) |
	      (imesa->mask_alpha << WRITEMASK_ALPHA_SHIFT));

      if(0)
	fprintf(stderr, "bcdq : r_mask(%d) g_mask(%d) b_mask(%d) a_mask(%d)\n",
		imesa->mask_red, imesa->mask_green, imesa->mask_blue,
		imesa->mask_alpha);

      sarea->ContextState[I830_CTXREG_ENABLES_2] = tmp;

      sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->backOffset;

      if(0)
	fprintf(stderr, "bcdq : x0(%d) x1(%d) y0(%d) y1(%d)\n"
		"r(0x%x) g(0x%x) b(0x%x) a(0x%x)\n",
		x0, x1, y0, y1, imesa->clear_red, imesa->clear_green,
		imesa->clear_blue, imesa->clear_alpha);

      i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1,
		      imesa->clear_red, imesa->clear_green,
		      imesa->clear_blue, imesa->clear_alpha);
      i830FlushPrimsLocked( imesa );
   }

   if(mask & DD_STENCIL_BIT) {
      GLuint s_mask = ctx->Stencil.WriteMask;

      sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS |
		       I830_UPLOAD_TEXBLEND0);

      sarea->TexBlendState[0][0] = (STATE3D_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);
      sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) |
				    TEXPIPE_ALPHA |
				    ENABLE_TEXOUTPUT_WRT_SEL |
				    TEXOP_OUTPUT_CURRENT |
				    TEXOP_SCALE_1X |
				    TEXOP_MODIFY_PARMS |
				    TEXBLENDOP_ARG1);
      sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_COLOR |
				    TEXBLEND_ARG1 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) |
				    TEXPIPE_ALPHA |
				    TEXBLEND_ARG2 |
				    TEXBLENDARG_MODIFY_PARMS |
				    TEXBLENDARG_CURRENT);
      sarea->TexBlendStateWordsUsed[0] = 4;

      sarea->ContextState[I830_CTXREG_ENABLES_1] |= (ENABLE_STENCIL_TEST |
						     ENABLE_DEPTH_TEST);

      sarea->ContextState[I830_CTXREG_ENABLES_2] &= ~(ENABLE_STENCIL_WRITE |
						     ENABLE_DEPTH_WRITE |
						     ENABLE_COLOR_WRITE);

      sarea->ContextState[I830_CTXREG_ENABLES_2] |= (ENABLE_STENCIL_WRITE |
					    DISABLE_DEPTH_WRITE |
					    (1 << WRITEMASK_RED_SHIFT) |
					    (1 << WRITEMASK_GREEN_SHIFT) |
					    (1 << WRITEMASK_BLUE_SHIFT) |
					    (1 << WRITEMASK_ALPHA_SHIFT) |
					    ENABLE_COLOR_WRITE);

      sarea->ContextState[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_MASK;
      sarea->ContextState[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
						 ENABLE_STENCIL_WRITE_MASK |
						 STENCIL_TEST_MASK(s_mask) |
						 STENCIL_WRITE_MASK(s_mask));

      sarea->ContextState[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK |
					       STENCIL_REF_VALUE_MASK |
					       ENABLE_STENCIL_TEST_FUNC_MASK);
      sarea->ContextState[I830_CTXREG_STENCILTST] |= (ENABLE_STENCIL_PARMS |
			      ENABLE_STENCIL_REF_VALUE |
			      ENABLE_STENCIL_TEST_FUNC |
			      STENCIL_FAIL_OP(STENCILOP_REPLACE) |
			      STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_REPLACE) |
			      STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_REPLACE) |
			      STENCIL_REF_VALUE((ctx->Stencil.Clear & 0xff)) |
			      STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS));

      if(0) 
	fprintf(stderr, "Enables_1 (0x%x) Enables_2 (0x%x) StenTst (0x%x)\n"
		"Modes_4 (0x%x)\n",
		sarea->ContextState[I830_CTXREG_ENABLES_1],
		sarea->ContextState[I830_CTXREG_ENABLES_2],
		sarea->ContextState[I830_CTXREG_STENCILTST],
		sarea->ContextState[I830_CTXREG_STATE4]);

      sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->fbOffset;
      
      i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1,
			   255, 255, 255, 255);
      i830FlushPrimsLocked( imesa );
   }

   UNLOCK_HARDWARE(imesa);
   imesa->dirty = old_dirty;
   imesa->dirty |= (I830_UPLOAD_CTX |
		    I830_UPLOAD_BUFFERS |
		    I830_UPLOAD_TEXBLEND0);

   imesa->hw_primitive = old_vertex_prim;
}
Beispiel #3
0
static void
i830StencilOpSeparate(struct gl_context * ctx, GLenum face, GLenum fail, GLenum zfail,
                      GLenum zpass)
{
   struct i830_context *i830 = i830_context(ctx);
   int fop, dfop, dpop;

   DBG("%s: fail : %s, zfail: %s, zpass : %s\n", __FUNCTION__,
       _mesa_lookup_enum_by_nr(fail),
       _mesa_lookup_enum_by_nr(zfail), 
       _mesa_lookup_enum_by_nr(zpass));

   fop = 0;
   dfop = 0;
   dpop = 0;

   switch (fail) {
   case GL_KEEP:
      fop = STENCILOP_KEEP;
      break;
   case GL_ZERO:
      fop = STENCILOP_ZERO;
      break;
   case GL_REPLACE:
      fop = STENCILOP_REPLACE;
      break;
   case GL_INCR:
      fop = STENCILOP_INCRSAT;
      break;
   case GL_DECR:
      fop = STENCILOP_DECRSAT;
      break;
   case GL_INCR_WRAP:
      fop = STENCILOP_INCR;
      break;
   case GL_DECR_WRAP:
      fop = STENCILOP_DECR;
      break;
   case GL_INVERT:
      fop = STENCILOP_INVERT;
      break;
   default:
      break;
   }
   switch (zfail) {
   case GL_KEEP:
      dfop = STENCILOP_KEEP;
      break;
   case GL_ZERO:
      dfop = STENCILOP_ZERO;
      break;
   case GL_REPLACE:
      dfop = STENCILOP_REPLACE;
      break;
   case GL_INCR:
      dfop = STENCILOP_INCRSAT;
      break;
   case GL_DECR:
      dfop = STENCILOP_DECRSAT;
      break;
   case GL_INCR_WRAP:
      dfop = STENCILOP_INCR;
      break;
   case GL_DECR_WRAP:
      dfop = STENCILOP_DECR;
      break;
   case GL_INVERT:
      dfop = STENCILOP_INVERT;
      break;
   default:
      break;
   }
   switch (zpass) {
   case GL_KEEP:
      dpop = STENCILOP_KEEP;
      break;
   case GL_ZERO:
      dpop = STENCILOP_ZERO;
      break;
   case GL_REPLACE:
      dpop = STENCILOP_REPLACE;
      break;
   case GL_INCR:
      dpop = STENCILOP_INCRSAT;
      break;
   case GL_DECR:
      dpop = STENCILOP_DECRSAT;
      break;
   case GL_INCR_WRAP:
      dpop = STENCILOP_INCR;
      break;
   case GL_DECR_WRAP:
      dpop = STENCILOP_DECR;
      break;
   case GL_INVERT:
      dpop = STENCILOP_INVERT;
      break;
   default:
      break;
   }


   I830_STATECHANGE(i830, I830_UPLOAD_CTX);
   i830->state.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK);
   i830->state.Ctx[I830_CTXREG_STENCILTST] |= (ENABLE_STENCIL_PARMS |
                                               STENCIL_FAIL_OP(fop) |
                                               STENCIL_PASS_DEPTH_FAIL_OP
                                               (dfop) |
                                               STENCIL_PASS_DEPTH_PASS_OP
                                               (dpop));
}
Beispiel #4
0
static void
i830_init_packets(struct i830_context *i830)
{
   /* 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 000                         /* XXX all the stencil enable state is set in i830Enable(), right? */
   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
#endif
   {
      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.RasterRules[I830_RASTER_RULES] = (_3DSTATE_RASTER_RULES_CMD |
						 ENABLE_POINT_RASTER_RULE |
						 OGL_POINT_RASTER_RULE |
						 ENABLE_LINE_STRIP_PROVOKE_VRTX |
						 ENABLE_TRI_FAN_PROVOKE_VRTX |
						 ENABLE_TRI_STRIP_PROVOKE_VRTX |
						 LINE_STRIP_PROVOKE_VRTX(1) |
						 TRI_FAN_PROVOKE_VRTX(2) |
						 TRI_STRIP_PROVOKE_VRTX(2));


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

   i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
   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;
}
Beispiel #5
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;
}