r200_state_init.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

   }

   rmesa->hw.prf.cmd[PRF_PP_TRI_PERF] = R200_TRI_CUTOFF_MASK - R200_TRI_CUTOFF_MASK * 
			driQueryOptionf (&rmesa->optionCache,"texture_blend_quality");
   rmesa->hw.prf.cmd[PRF_PP_PERF_CNTL] = 0;

   rmesa->hw.set.cmd[SET_SE_CNTL] = (R200_FFACE_CULL_CCW |
				     R200_BFACE_SOLID |
				     R200_FFACE_SOLID |
				     R200_FLAT_SHADE_VTX_LAST |
				     R200_DIFFUSE_SHADE_GOURAUD |
				     R200_ALPHA_SHADE_GOURAUD |
				     R200_SPECULAR_SHADE_GOURAUD |
				     R200_FOG_SHADE_GOURAUD |
				     R200_DISC_FOG_SHADE_GOURAUD |
				     R200_VTX_PIX_CENTER_OGL |
				     R200_ROUND_MODE_TRUNC |
				     R200_ROUND_PREC_8TH_PIX);

   rmesa->hw.set.cmd[SET_RE_CNTL] = (R200_PERSPECTIVE_ENABLE |
				     R200_SCISSOR_ENABLE);

   rmesa->hw.lin.cmd[LIN_RE_LINE_PATTERN] = ((1 << 16) | 0xffff);

   rmesa->hw.lin.cmd[LIN_RE_LINE_STATE] = 
      ((0 << R200_LINE_CURRENT_PTR_SHIFT) |
       (1 << R200_LINE_CURRENT_COUNT_SHIFT));

   rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] = (1 << 4);

   rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] = 
      ((0x00 << R200_STENCIL_REF_SHIFT) |
       (0xff << R200_STENCIL_MASK_SHIFT) |
       (0xff << R200_STENCIL_WRITEMASK_SHIFT));

   rmesa->hw.msk.cmd[MSK_RB3D_ROPCNTL] = R200_ROP_COPY;
   rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] = 0xffffffff;

   rmesa->hw.tam.cmd[TAM_DEBUG3] = 0;

   rmesa->hw.msc.cmd[MSC_RE_MISC] = 
      ((0 << R200_STIPPLE_X_OFFSET_SHIFT) |
       (0 << R200_STIPPLE_Y_OFFSET_SHIFT) |
       R200_STIPPLE_BIG_BIT_ORDER);


   rmesa->hw.cst.cmd[CST_PP_CNTL_X] = 0;
   rmesa->hw.cst.cmd[CST_RB3D_DEPTHXY_OFFSET] = 0;
   rmesa->hw.cst.cmd[CST_RE_AUX_SCISSOR_CNTL] = 0x0;
   rmesa->hw.cst.cmd[CST_RE_SCISSOR_TL_0] = 0;
   rmesa->hw.cst.cmd[CST_RE_SCISSOR_BR_0] = 0;
   rmesa->hw.cst.cmd[CST_SE_VAP_CNTL_STATUS] =
#ifdef MESA_BIG_ENDIAN
						R200_VC_32BIT_SWAP;
#else
						R200_VC_NO_SWAP;
#endif

   if (!(rmesa->r200Screen->chip_flags & RADEON_CHIPSET_TCL)) {
      /* Bypass TCL */
      rmesa->hw.cst.cmd[CST_SE_VAP_CNTL_STATUS] |= (1<<8);
   }

   rmesa->hw.cst.cmd[CST_RE_POINTSIZE] =
      (((GLuint)(ctx->Const.MaxPointSize * 16.0)) << R200_MAXPOINTSIZE_SHIFT) | 0x10;
   rmesa->hw.cst.cmd[CST_SE_TCL_INPUT_VTX_0] =
      (0x0 << R200_VERTEX_POSITION_ADDR__SHIFT);
   rmesa->hw.cst.cmd[CST_SE_TCL_INPUT_VTX_1] =
      (0x02 << R200_VTX_COLOR_0_ADDR__SHIFT) |
      (0x03 << R200_VTX_COLOR_1_ADDR__SHIFT);
   rmesa->hw.cst.cmd[CST_SE_TCL_INPUT_VTX_2] =
      (0x06 << R200_VTX_TEX_0_ADDR__SHIFT) |
      (0x07 << R200_VTX_TEX_1_ADDR__SHIFT) |
      (0x08 << R200_VTX_TEX_2_ADDR__SHIFT) |
      (0x09 << R200_VTX_TEX_3_ADDR__SHIFT);
   rmesa->hw.cst.cmd[CST_SE_TCL_INPUT_VTX_3] =
      (0x0A << R200_VTX_TEX_4_ADDR__SHIFT) |
      (0x0B << R200_VTX_TEX_5_ADDR__SHIFT);
  

   rmesa->hw.vpt.cmd[VPT_SE_VPORT_XSCALE]  = 0x00000000;
   rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] = 0x00000000;
   rmesa->hw.vpt.cmd[VPT_SE_VPORT_YSCALE]  = 0x00000000;
   rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] = 0x00000000;
   rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZSCALE]  = 0x00000000;
   rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZOFFSET] = 0x00000000;

   for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) {
      rmesa->hw.tex[i].cmd[TEX_PP_TXFILTER] = R200_BORDER_MODE_OGL;
      rmesa->hw.tex[i].cmd[TEX_PP_TXFORMAT] = 
         ((i << R200_TXFORMAT_ST_ROUTE_SHIFT) |  /* <-- note i */
          (2 << R200_TXFORMAT_WIDTH_SHIFT) |
          (2 << R200_TXFORMAT_HEIGHT_SHIFT));
      rmesa->hw.tex[i].cmd[TEX_PP_BORDER_COLOR] = 0;
      rmesa->hw.tex[i].cmd[TEX_PP_TXFORMAT_X] =
         (/* R200_TEXCOORD_PROJ | */
          0x100000);	/* Small default bias */
      if (rmesa->r200Screen->drmSupportsFragShader) {
	 rmesa->hw.tex[i].cmd[TEX_PP_TXOFFSET_NEWDRM] =
	     rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
	 rmesa->hw.tex[i].cmd[TEX_PP_CUBIC_FACES] = 0;
	 rmesa->hw.tex[i].cmd[TEX_PP_TXMULTI_CTL] = 0;
      }
      else {
	  rmesa->hw.tex[i].cmd[TEX_PP_TXOFFSET_OLDDRM] =
	     rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
     }

      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_FACES] = 0;
      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_OFFSET_F1] =
         rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_OFFSET_F2] =
         rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_OFFSET_F3] =
         rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_OFFSET_F4] =
         rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];
      rmesa->hw.cube[i].cmd[CUBE_PP_CUBIC_OFFSET_F5] =
         rmesa->r200Screen->texOffset[RADEON_LOCAL_TEX_HEAP];

      rmesa->hw.pix[i].cmd[PIX_PP_TXCBLEND] =
         (R200_TXC_ARG_A_ZERO |
          R200_TXC_ARG_B_ZERO |
          R200_TXC_ARG_C_DIFFUSE_COLOR |
          R200_TXC_OP_MADD);

      rmesa->hw.pix[i].cmd[PIX_PP_TXCBLEND2] =
         ((i << R200_TXC_TFACTOR_SEL_SHIFT) |
          R200_TXC_SCALE_1X |
          R200_TXC_CLAMP_0_1 |
          R200_TXC_OUTPUT_REG_R0);

      rmesa->hw.pix[i].cmd[PIX_PP_TXABLEND] =
         (R200_TXA_ARG_A_ZERO |
          R200_TXA_ARG_B_ZERO |
          R200_TXA_ARG_C_DIFFUSE_ALPHA |
          R200_TXA_OP_MADD);

      rmesa->hw.pix[i].cmd[PIX_PP_TXABLEND2] =
         ((i << R200_TXA_TFACTOR_SEL_SHIFT) |
          R200_TXA_SCALE_1X |
          R200_TXA_CLAMP_0_1 |
          R200_TXA_OUTPUT_REG_R0);
   }

   rmesa->hw.tf.cmd[TF_TFACTOR_0] = 0;
   rmesa->hw.tf.cmd[TF_TFACTOR_1] = 0;
   rmesa->hw.tf.cmd[TF_TFACTOR_2] = 0;
   rmesa->hw.tf.cmd[TF_TFACTOR_3] = 0;
   rmesa->hw.tf.cmd[TF_TFACTOR_4] = 0;
   rmesa->hw.tf.cmd[TF_TFACTOR_5] = 0;

   rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = 
      (R200_VAP_TCL_ENABLE | 
       (0x9 << R200_VAP_VF_MAX_VTX_NUM__SHIFT));

   rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = 
      (R200_VPORT_X_SCALE_ENA |
       R200_VPORT_Y_SCALE_ENA |
       R200_VPORT_Z_SCALE_ENA |
       R200_VPORT_X_OFFSET_ENA |
       R200_VPORT_Y_OFFSET_ENA |
       R200_VPORT_Z_OFFSET_ENA |
/* FIXME: Turn on for tex rect only */
       R200_VTX_ST_DENORMALIZED |  
       R200_VTX_W0_FMT); 


   rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = 0;
   rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = 0;
   rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] = 
      ((R200_VTX_Z0 | R200_VTX_W0 |
       (R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT)));	
   rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] = 0;
   rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = (R200_OUTPUT_XYZW);
   rmesa->hw.vtx.cmd[VTX_STATE_CNTL] = R200_VSC_UPDATE_USER_COLOR_0_ENABLE;
						   

   /* Matrix selection */
   rmesa->hw.msl.cmd[MSL_MATRIX_SELECT_0] = 
      (R200_MTX_MV << R200_MODELVIEW_0_SHIFT);
   
   rmesa->hw.msl.cmd[MSL_MATRIX_SELECT_1] = 
       (R200_MTX_IMV << R200_IT_MODELVIEW_0_SHIFT);

   rmesa->hw.msl.cmd[MSL_MATRIX_SELECT_2] = 
      (R200_MTX_MVP << R200_MODELPROJECT_0_SHIFT);

   rmesa->hw.msl.cmd[MSL_MATRIX_SELECT_3] = 
      ((R200_MTX_TEX0 << R200_TEXMAT_0_SHIFT) |
       (R200_MTX_TEX1 << R200_TEXMAT_1_SHIFT) |
       (R200_MTX_TEX2 << R200_TEXMAT_2_SHIFT) |
       (R200_MTX_TEX3 << R200_TEXMAT_3_SHIFT));

   rmesa->hw.msl.cmd[MSL_MATRIX_SELECT_4] = 
      ((R200_MTX_TEX4 << R200_TEXMAT_4_SHIFT) |
       (R200_MTX_TEX5 << R200_TEXMAT_5_SHIFT));


   /* General TCL state */
   rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] = 
      (R200_SPECULAR_LIGHTS |
       R200_DIFFUSE_SPECULAR_COMBINE |
       R200_LOCAL_LIGHT_VEC_GL |
       R200_LM0_SOURCE_MATERIAL_0 << R200_FRONT_SHININESS_SOURCE_SHIFT |
       R200_LM0_SOURCE_MATERIAL_1 << R200_BACK_SHININESS_SOURCE_SHIFT);

   rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1] = 
      ((R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_AMBIENT_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_DIFFUSE_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_0 << R200_FRONT_SPECULAR_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_EMISSIVE_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_AMBIENT_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_DIFFUSE_SOURCE_SHIFT) |
       (R200_LM1_SOURCE_MATERIAL_1 << R200_BACK_SPECULAR_SOURCE_SHIFT)); 

   rmesa->hw.tcl.cmd[TCL_PER_LIGHT_CTL_0] = 0; /* filled in via callbacks */
   rmesa->hw.tcl.cmd[TCL_PER_LIGHT_CTL_1] = 0;
   rmesa->hw.tcl.cmd[TCL_PER_LIGHT_CTL_2] = 0;
   rmesa->hw.tcl.cmd[TCL_PER_LIGHT_CTL_3] = 0;
   
   rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] = 
      (R200_UCP_IN_CLIP_SPACE |
       R200_CULL_FRONT_IS_CCW);

   /* Texgen/Texmat state */
   rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_2] = 0x00ffffff;
   rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_3] = 
      ((0 << R200_TEXGEN_0_INPUT_TEX_SHIFT) |
       (1 << R200_TEXGEN_1_INPUT_TEX_SHIFT) |
       (2 << R200_TEXGEN_2_INPUT_TEX_SHIFT) |
       (3 << R200_TEXGEN_3_INPUT_TEX_SHIFT) |
       (4 << R200_TEXGEN_4_INPUT_TEX_SHIFT) |
       (5 << R200_TEXGEN_5_INPUT_TEX_SHIFT)); 
   rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0] = 0; 
   rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1] =  
      ((0 << R200_TEXGEN_0_INPUT_SHIFT) |
       (1 << R200_TEXGEN_1_INPUT_SHIFT) |
       (2 << R200_TEXGEN_2_INPUT_SHIFT) |
       (3 << R200_TEXGEN_3_INPUT_SHIFT) |
       (4 << R200_TEXGEN_4_INPUT_SHIFT) |
       (5 << R200_TEXGEN_5_INPUT_SHIFT)); 
   rmesa->hw.tcg.cmd[TCG_TEX_CYL_WRAP_CTL] = 0;


   for (i = 0 ; i < 8; i++) {
      struct gl_light *l = &ctx->Light.Light[i];
      GLenum p = GL_LIGHT0 + i;
      *(float *)&(rmesa->hw.lit[i].cmd[LIT_RANGE_CUTOFF]) = FLT_MAX;

      ctx->Driver.Lightfv( ctx, p, GL_AMBIENT, l->Ambient );
      ctx->Driver.Lightfv( ctx, p, GL_DIFFUSE, l->Diffuse );
      ctx->Driver.Lightfv( ctx, p, GL_SPECULAR, l->Specular );
      ctx->Driver.Lightfv( ctx, p, GL_POSITION, NULL );
      ctx->Driver.Lightfv( ctx, p, GL_SPOT_DIRECTION, NULL );
      ctx->Driver.Lightfv( ctx, p, GL_SPOT_EXPONENT, &l->SpotExponent );
      ctx->Driver.Lightfv( ctx, p, GL_SPOT_CUTOFF, &l->SpotCutoff );
      ctx->Driver.Lightfv( ctx, p, GL_CONSTANT_ATTENUATION,
			   &l->ConstantAttenuation );
      ctx->Driver.Lightfv( ctx, p, GL_LINEAR_ATTENUATION, 
			   &l->LinearAttenuation );
      ctx->Driver.Lightfv( ctx, p, GL_QUADRATIC_ATTENUATION, 
			   &l->QuadraticAttenuation );
      *(float *)&(rmesa->hw.lit[i].cmd[LIT_ATTEN_XXX]) = 0.0;
   }

   ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_AMBIENT, 
			     ctx->Light.Model.Ambient );

   TNL_CONTEXT(ctx)->Driver.NotifyMaterialChange( ctx );

   for (i = 0 ; i < 6; i++) {
      ctx->Driver.ClipPlane( ctx, GL_CLIP_PLANE0 + i, NULL );
   }

   ctx->Driver.Fogfv( ctx, GL_FOG_MODE, NULL );
   ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
   ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start );
   ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End );
   ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color );
   ctx->Driver.Fogfv( ctx, GL_FOG_COORDINATE_SOURCE_EXT, NULL );
   
   rmesa->hw.grd.cmd[GRD_VERT_GUARD_CLIP_ADJ] = IEEE_ONE;
   rmesa->hw.grd.cmd[GRD_VERT_GUARD_DISCARD_ADJ] = IEEE_ONE;
   rmesa->hw.grd.cmd[GRD_HORZ_GUARD_CLIP_ADJ] = IEEE_ONE;
   rmesa->hw.grd.cmd[GRD_HORZ_GUARD_DISCARD_ADJ] = IEEE_ONE;

   rmesa->hw.eye.cmd[EYE_X] = 0;
   rmesa->hw.eye.cmd[EYE_Y] = 0;
   rmesa->hw.eye.cmd[EYE_Z] = IEEE_ONE;
   rmesa->hw.eye.cmd[EYE_RESCALE_FACTOR] = IEEE_ONE;

   rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] =
      R200_PS_SE_SEL_STATE | R200_PS_MULT_CONST;

   /* ptp_eye is presumably used to calculate the attenuation wrt a different
      location? In any case, since point attenuation triggers _needeyecoords,
      it is constant. Probably ignored as long as R200_PS_USE_MODEL_EYE_VEC
      isn't set */
   rmesa->hw.ptp.cmd[PTP_EYE_X] = 0;
   rmesa->hw.ptp.cmd[PTP_EYE_Y] = 0;
   rmesa->hw.ptp.cmd[PTP_EYE_Z] = IEEE_ONE | 0x80000000; /* -1.0 */
   rmesa->hw.ptp.cmd[PTP_EYE_3] = 0;
   /* no idea what the ptp_vport_scale values are good for, except the
      PTSIZE one - hopefully doesn't matter */
   rmesa->hw.ptp.cmd[PTP_VPORT_SCALE_0] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_VPORT_SCALE_1] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_VPORT_SCALE_PTSIZE] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_VPORT_SCALE_3] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_ATT_CONST_QUAD] = 0;
   rmesa->hw.ptp.cmd[PTP_ATT_CONST_LIN] = 0;
   rmesa->hw.ptp.cmd[PTP_ATT_CONST_CON] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_ATT_CONST_3] = 0;
   rmesa->hw.ptp.cmd[PTP_CLAMP_MIN] = IEEE_ONE;
   rmesa->hw.ptp.cmd[PTP_CLAMP_MAX] = 0x44ffe000; /* 2047 */
   rmesa->hw.ptp.cmd[PTP_CLAMP_2] = 0;
   rmesa->hw.ptp.cmd[PTP_CLAMP_3] = 0;

   r200LightingSpaceChange( ctx );

   rmesa->hw.all_dirty = GL_TRUE;
}