Ejemplo n.º 1
0
/* TCL render.
 */
static GLboolean r200_run_tcl_render( struct gl_context *ctx,
				      struct tnl_pipeline_stage *stage )
{
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   TNLcontext *tnl = TNL_CONTEXT(ctx);
   struct vertex_buffer *VB = &tnl->vb;
   GLuint i;
   GLubyte *vimap_rev;
/* use hw fixed order for simplicity, pos 0, weight 1, normal 2, fog 3, 
   color0 - color3 4-7, texcoord0 - texcoord5 8-13, pos 1 14. Must not use
   more than 12 of those at the same time. */
   GLubyte map_rev_fixed[15] = {255, 255, 255, 255, 255, 255, 255, 255,
			    255, 255, 255, 255, 255, 255, 255};


   /* TODO: separate this from the swtnl pipeline 
    */
   if (rmesa->radeon.TclFallback)
      return GL_TRUE;	/* fallback to software t&l */

   radeon_print(RADEON_RENDER, RADEON_NORMAL, "%s\n", __func__);

   if (VB->Count == 0)
      return GL_FALSE;

   /* Validate state:
    */
   if (rmesa->radeon.NewGLState)
      if (!r200ValidateState( ctx ))
         return GL_TRUE; /* fallback to sw t&l */

   if (!_mesa_arb_vertex_program_enabled(ctx)) {
   /* NOTE: inputs != tnl->render_inputs - these are the untransformed
    * inputs.
    */
      map_rev_fixed[0] = VERT_ATTRIB_POS;
      /* technically there is no reason we always need VA_COLOR0. In theory
         could disable it depending on lighting, color materials, texturing... */
      map_rev_fixed[4] = VERT_ATTRIB_COLOR0;

      if (ctx->Light.Enabled) {
	 map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
      }

      /* this also enables VA_COLOR1 when using separate specular
         lighting model, which is unnecessary.
         FIXME: OTOH, we're missing the case where a ATI_fragment_shader accesses
         the secondary color (if lighting is disabled). The chip seems
         misconfigured for that though elsewhere (tcl output, might lock up) */
      if (_mesa_need_secondary_color(ctx)) {
	 map_rev_fixed[5] = VERT_ATTRIB_COLOR1;
      }

      if ( (ctx->Fog.FogCoordinateSource == GL_FOG_COORD) && ctx->Fog.Enabled ) {
	 map_rev_fixed[3] = VERT_ATTRIB_FOG;
      }

      for (i = 0 ; i < ctx->Const.MaxTextureUnits; i++) {
	 if (ctx->Texture.Unit[i]._Current) {
	    if (rmesa->TexGenNeedNormals[i]) {
	       map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
	    }
	    map_rev_fixed[8 + i] = VERT_ATTRIB_TEX0 + i;
	 }
      }
      vimap_rev = &map_rev_fixed[0];
   }
   else {
      /* vtx_tcl_output_vtxfmt_0/1 need to match configuration of "fragment
	 part", since using some vertex interpolator later which is not in
	 out_vtxfmt0/1 will lock up. It seems to be ok to write in vertex
	 prog to a not enabled output however, so just don't mess with it.
	 We only need to change compsel. */
      GLuint out_compsel = 0;
      const GLbitfield64 vp_out =
	 rmesa->curr_vp_hw->mesa_program.info.outputs_written;

      vimap_rev = &rmesa->curr_vp_hw->inputmap_rev[0];
      assert(vp_out & BITFIELD64_BIT(VARYING_SLOT_POS));
      out_compsel = R200_OUTPUT_XYZW;
      if (vp_out & BITFIELD64_BIT(VARYING_SLOT_COL0)) {
	 out_compsel |= R200_OUTPUT_COLOR_0;
      }
      if (vp_out & BITFIELD64_BIT(VARYING_SLOT_COL1)) {
	 out_compsel |= R200_OUTPUT_COLOR_1;
      }
      if (vp_out & BITFIELD64_BIT(VARYING_SLOT_FOGC)) {
         out_compsel |= R200_OUTPUT_DISCRETE_FOG;
      }
      if (vp_out & BITFIELD64_BIT(VARYING_SLOT_PSIZ)) {
	 out_compsel |= R200_OUTPUT_PT_SIZE;
      }
      for (i = VARYING_SLOT_TEX0; i < VARYING_SLOT_TEX6; i++) {
	 if (vp_out & BITFIELD64_BIT(i)) {
	    out_compsel |= R200_OUTPUT_TEX_0 << (i - VARYING_SLOT_TEX0);
	 }
      }
      if (rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] != out_compsel) {
	 R200_STATECHANGE( rmesa, vtx );
	 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = out_compsel;
      }
   }

   /* Do the actual work:
    */
   radeonReleaseArrays( ctx, ~0 /* stage->changed_inputs */ );
   GLuint emit_end = r200EnsureEmitSize( ctx, vimap_rev )
     + rmesa->radeon.cmdbuf.cs->cdw;
   r200EmitArrays( ctx, vimap_rev );

   for (i = 0 ; i < VB->PrimitiveCount ; i++)
   {
      GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
      GLuint start = VB->Primitive[i].start;
      GLuint length = VB->Primitive[i].count;

      if (!length)
	 continue;

      if (VB->Elts)
	 r200EmitEltPrimitive( ctx, start, start+length, prim );
      else
	 r200EmitPrimitive( ctx, start, start+length, prim );
   }
   if ( emit_end < rmesa->radeon.cmdbuf.cs->cdw )
     WARN_ONCE("Rendering was %d commands larger than predicted size."
	 " We might overflow  command buffer.\n", rmesa->radeon.cmdbuf.cs->cdw - emit_end);

   return GL_FALSE;		/* finished the pipe */
}
Ejemplo n.º 2
0
/* TCL render.
 */
static GLboolean r200_run_tcl_render( GLcontext *ctx,
				      struct tnl_pipeline_stage *stage )
{
   r200ContextPtr rmesa = R200_CONTEXT(ctx);
   TNLcontext *tnl = TNL_CONTEXT(ctx);
   struct vertex_buffer *VB = &tnl->vb;
   GLuint i;
   GLubyte *vimap_rev;
/* use hw fixed order for simplicity, pos 0, weight 1, normal 2, fog 3, 
   color0 - color3 4-7, texcoord0 - texcoord5 8-13, pos 1 14. Must not use
   more than 12 of those at the same time. */
   GLubyte map_rev_fixed[15] = {255, 255, 255, 255, 255, 255, 255, 255,
			    255, 255, 255, 255, 255, 255, 255};


   /* TODO: separate this from the swtnl pipeline 
    */
   if (rmesa->TclFallback)
      return GL_TRUE;	/* fallback to software t&l */

   if (R200_DEBUG & DEBUG_PRIMS)
      fprintf(stderr, "%s\n", __FUNCTION__);

   if (VB->Count == 0)
      return GL_FALSE;

   /* Validate state:
    */
   if (rmesa->NewGLState)
      r200ValidateState( ctx );

   if (!ctx->VertexProgram._Enabled) {
   /* NOTE: inputs != tnl->render_inputs - these are the untransformed
    * inputs.
    */
      map_rev_fixed[0] = VERT_ATTRIB_POS;
      /* technically there is no reason we always need VA_COLOR0. In theory
         could disable it depending on lighting, color materials, texturing... */
      map_rev_fixed[4] = VERT_ATTRIB_COLOR0;

      if (ctx->Light.Enabled) {
	 map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
      }

      /* this also enables VA_COLOR1 when using separate specular
         lighting model, which is unnecessary.
         FIXME: OTOH, we're missing the case where a ATI_fragment_shader accesses
         the secondary color (if lighting is disabled). The chip seems
         misconfigured for that though elsewhere (tcl output, might lock up) */
      if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
	 map_rev_fixed[5] = VERT_ATTRIB_COLOR1;
      }

      if ( (ctx->Fog.FogCoordinateSource == GL_FOG_COORD) && ctx->Fog.Enabled ) {
	 map_rev_fixed[3] = VERT_ATTRIB_FOG;
      }

      for (i = 0 ; i < ctx->Const.MaxTextureUnits; i++) {
	 if (ctx->Texture.Unit[i]._ReallyEnabled) {
	    if (rmesa->TexGenNeedNormals[i]) {
	       map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
	    }
	    map_rev_fixed[8 + i] = VERT_ATTRIB_TEX0 + i;
	 }
      }
      vimap_rev = &map_rev_fixed[0];
   }
   else {
      /* vtx_tcl_output_vtxfmt_0/1 need to match configuration of "fragment
	 part", since using some vertex interpolator later which is not in
	 out_vtxfmt0/1 will lock up. It seems to be ok to write in vertex
	 prog to a not enabled output however, so just don't mess with it.
	 We only need to change compsel. */
      GLuint out_compsel = 0;
      GLuint vp_out = rmesa->curr_vp_hw->mesa_program.Base.OutputsWritten;

      vimap_rev = &rmesa->curr_vp_hw->inputmap_rev[0];
      assert(vp_out & (1 << VERT_RESULT_HPOS));
      out_compsel = R200_OUTPUT_XYZW;
      if (vp_out & (1 << VERT_RESULT_COL0)) {
	 out_compsel |= R200_OUTPUT_COLOR_0;
      }
      if (vp_out & (1 << VERT_RESULT_COL1)) {
	 out_compsel |= R200_OUTPUT_COLOR_1;
      }
      if (vp_out & (1 << VERT_RESULT_FOGC)) {
         out_compsel |= R200_OUTPUT_DISCRETE_FOG;
      }
      if (vp_out & (1 << VERT_RESULT_PSIZ)) {
	 out_compsel |= R200_OUTPUT_PT_SIZE;
      }
      for (i = VERT_RESULT_TEX0; i < VERT_RESULT_TEX6; i++) {
	 if (vp_out & (1 << i)) {
	    out_compsel |= R200_OUTPUT_TEX_0 << (i - VERT_RESULT_TEX0);
	 }
      }
      if (rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] != out_compsel) {
	 R200_STATECHANGE( rmesa, vtx );
	 rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = out_compsel;
      }
   }

   /* Do the actual work:
    */
   r200ReleaseArrays( ctx, ~0 /* stage->changed_inputs */ );
   r200EmitArrays( ctx, vimap_rev );

   rmesa->tcl.Elts = VB->Elts;

   for (i = 0 ; i < VB->PrimitiveCount ; i++)
   {
      GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
      GLuint start = VB->Primitive[i].start;
      GLuint length = VB->Primitive[i].count;

      if (!length)
	 continue;

      if (rmesa->tcl.Elts)
	 r200EmitEltPrimitive( ctx, start, start+length, prim );
      else
	 r200EmitPrimitive( ctx, start, start+length, prim );
   }

   return GL_FALSE;		/* finished the pipe */
}