void
i830UpdateTextureState(struct intel_context *intel)
{
   struct i830_context *i830 = i830_context(&intel->ctx);
   GLboolean ok = GL_TRUE;
   GLuint i;

   for (i = 0; i < I830_TEX_UNITS && ok; i++) {
      switch (intel->ctx.Texture.Unit[i]._ReallyEnabled) {
      case TEXTURE_1D_BIT:
      case TEXTURE_2D_BIT:
      case TEXTURE_CUBE_BIT:
         ok = i830_update_tex_unit(intel, i, TEXCOORDS_ARE_NORMAL);
         break;
      case TEXTURE_RECT_BIT:
         ok = i830_update_tex_unit(intel, i, TEXCOORDS_ARE_IN_TEXELUNITS);
         break;
      case 0:{
	 struct i830_context *i830 = i830_context(&intel->ctx);
         if (i830->state.active & I830_UPLOAD_TEX(i)) 
            I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(i), GL_FALSE);

	 if (i830->state.tex_buffer[i] != NULL) {
	    dri_bo_unreference(i830->state.tex_buffer[i]);
	    i830->state.tex_buffer[i] = NULL;
	 }
         break;
      }
      case TEXTURE_3D_BIT:
      default:
         ok = GL_FALSE;
         break;
      }
   }

   FALLBACK(intel, I830_FALLBACK_TEXTURE, !ok);

   if (ok)
      i830EmitTextureBlend(i830);
}
Esempio n. 2
0
static void
i830_render_start(struct intel_context *intel)
{
   GLcontext *ctx = &intel->ctx;
   struct i830_context *i830 = i830_context(ctx);
   TNLcontext *tnl = TNL_CONTEXT(ctx);
   struct vertex_buffer *VB = &tnl->vb;
   DECLARE_RENDERINPUTS(index_bitset);
   GLuint v0 = _3DSTATE_VFT0_CMD;
   GLuint v2 = _3DSTATE_VFT1_CMD;
   GLuint mcsb1 = 0;

   RENDERINPUTS_COPY(index_bitset, tnl->render_inputs_bitset);

   /* Important:
    */
   VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
   intel->vertex_attr_count = 0;

   /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
    * build up a hardware vertex.
    */
   if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) {
      EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VFT0_XYZW);
      intel->coloroffset = 4;
   }
   else {
      EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, VFT0_XYZ);
      intel->coloroffset = 3;
   }

   if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_POINTSIZE)) {
      EMIT_ATTR(_TNL_ATTRIB_POINTSIZE, EMIT_1F, VFT0_POINT_WIDTH);
   }

   EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, VFT0_DIFFUSE);

   intel->specoffset = 0;
   if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1) ||
       RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG)) {
      if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1)) {
         intel->specoffset = intel->coloroffset + 1;
         EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, VFT0_SPEC);
      }
      else
         EMIT_PAD(3);

      if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG))
         EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, VFT0_SPEC);
      else
         EMIT_PAD(1);
   }

   if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) {
      int i, count = 0;

      for (i = 0; i < I830_TEX_UNITS; i++) {
         if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_TEX(i))) {
            GLuint sz = VB->TexCoordPtr[i]->size;
            GLuint emit;
            GLuint mcs = (i830->state.Tex[i][I830_TEXREG_MCS] &
                          ~TEXCOORDTYPE_MASK);

            switch (sz) {
            case 1:
            case 2:
               emit = EMIT_2F;
               sz = 2;
               mcs |= TEXCOORDTYPE_CARTESIAN;
               break;
            case 3:
               emit = EMIT_3F;
               sz = 3;
               mcs |= TEXCOORDTYPE_VECTOR;
               break;
            case 4:
               emit = EMIT_3F_XYW;
               sz = 3;
               mcs |= TEXCOORDTYPE_HOMOGENEOUS;
               break;
            default:
               continue;
            };


            EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, emit, 0);
            v2 |= VRTX_TEX_SET_FMT(count, SZ_TO_HW(sz));
            mcsb1 |= (count + 8) << (i * 4);

            if (mcs != i830->state.Tex[i][I830_TEXREG_MCS]) {
               I830_STATECHANGE(i830, I830_UPLOAD_TEX(i));
               i830->state.Tex[i][I830_TEXREG_MCS] = mcs;
            }

            count++;
         }
      }

      v0 |= VFT0_TEX_COUNT(count);
   }

   /* Only need to change the vertex emit code if there has been a
    * statechange to a new hardware vertex format:
    */
   if (v0 != i830->state.Ctx[I830_CTXREG_VF] ||
       v2 != i830->state.Ctx[I830_CTXREG_VF2] ||
       mcsb1 != i830->state.Ctx[I830_CTXREG_MCSB1] ||
       !RENDERINPUTS_EQUAL(index_bitset, i830->last_index_bitset)) {
      int k;

      I830_STATECHANGE(i830, I830_UPLOAD_CTX);

      /* Must do this *after* statechange, so as not to affect
       * buffered vertices reliant on the old state:
       */
      intel->vertex_size =
         _tnl_install_attrs(ctx,
                            intel->vertex_attrs,
                            intel->vertex_attr_count,
                            intel->ViewportMatrix.m, 0);

      intel->vertex_size >>= 2;

      i830->state.Ctx[I830_CTXREG_VF] = v0;
      i830->state.Ctx[I830_CTXREG_VF2] = v2;
      i830->state.Ctx[I830_CTXREG_MCSB1] = mcsb1;
      RENDERINPUTS_COPY(i830->last_index_bitset, index_bitset);

      k = i830_check_vertex_size(intel, intel->vertex_size);
      assert(k);
   }
Esempio n. 3
0
/* Recalculate all state from scratch.  Perhaps not the most
 * efficient, but this has gotten complex enough that we need
 * something which is understandable and reliable.
 */
static GLboolean
i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
   GLcontext *ctx = &intel->ctx;
   struct i830_context *i830 = i830_context(ctx);
   struct gl_texture_unit *tUnit = &ctx->Texture.Unit[unit];
   struct gl_texture_object *tObj = tUnit->_Current;
   struct intel_texture_object *intelObj = intel_texture_object(tObj);
   struct gl_texture_image *firstImage;
   GLuint *state = i830->state.Tex[unit], format, pitch;
   GLint lodbias;
   GLubyte border[4];
   GLuint dst_x, dst_y;

   memset(state, 0, sizeof(state));

   /*We need to refcount these. */

   if (i830->state.tex_buffer[unit] != NULL) {
       drm_intel_bo_unreference(i830->state.tex_buffer[unit]);
       i830->state.tex_buffer[unit] = NULL;
   }

   if (!intel_finalize_mipmap_tree(intel, unit))
      return GL_FALSE;

   /* Get first image here, since intelObj->firstLevel will get set in
    * the intel_finalize_mipmap_tree() call above.
    */
   firstImage = tObj->Image[0][intelObj->firstLevel];

   intel_miptree_get_image_offset(intelObj->mt, intelObj->firstLevel, 0, 0,
				  &dst_x, &dst_y);

   drm_intel_bo_reference(intelObj->mt->region->buffer);
   i830->state.tex_buffer[unit] = intelObj->mt->region->buffer;
   pitch = intelObj->mt->region->pitch * intelObj->mt->cpp;

   /* XXX: This calculation is probably broken for tiled images with
    * a non-page-aligned offset.
    */
   i830->state.tex_offset[unit] = dst_x * intelObj->mt->cpp + dst_y * pitch;

   format = translate_texture_format(firstImage->TexFormat,
				     firstImage->InternalFormat);

   state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
                               (LOAD_TEXTURE_MAP0 << unit) | 4);

   state[I830_TEXREG_TM0S1] =
      (((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) |
       ((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format);

   if (intelObj->mt->region->tiling != I915_TILING_NONE) {
      state[I830_TEXREG_TM0S1] |= TM0S1_TILED_SURFACE;
      if (intelObj->mt->region->tiling == I915_TILING_Y)
	 state[I830_TEXREG_TM0S1] |= TM0S1_TILE_WALK;
   }

   state[I830_TEXREG_TM0S2] =
      ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);

   {
      if (tObj->Target == GL_TEXTURE_CUBE_MAP)
         state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) |
                                    CUBE_NEGX_ENABLE |
                                    CUBE_POSX_ENABLE |
                                    CUBE_NEGY_ENABLE |
                                    CUBE_POSY_ENABLE |
                                    CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE);
      else
         state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit));
   }




   {
      GLuint minFilt, mipFilt, magFilt;

      switch (tObj->MinFilter) {
      case GL_NEAREST:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_NONE;
         break;
      case GL_LINEAR:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_NONE;
         break;
      case GL_NEAREST_MIPMAP_NEAREST:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_NEAREST;
         break;
      case GL_LINEAR_MIPMAP_NEAREST:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_NEAREST;
         break;
      case GL_NEAREST_MIPMAP_LINEAR:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_LINEAR;
         break;
      case GL_LINEAR_MIPMAP_LINEAR:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_LINEAR;
         break;
      default:
         return GL_FALSE;
      }

      if (tObj->MaxAnisotropy > 1.0) {
         minFilt = FILTER_ANISOTROPIC;
         magFilt = FILTER_ANISOTROPIC;
      }
      else {
         switch (tObj->MagFilter) {
         case GL_NEAREST:
            magFilt = FILTER_NEAREST;
            break;
         case GL_LINEAR:
            magFilt = FILTER_LINEAR;
            break;
         default:
            return GL_FALSE;
         }
      }

      lodbias = (int) ((tUnit->LodBias + tObj->LodBias) * 16.0);
      if (lodbias < -64)
          lodbias = -64;
      if (lodbias > 63)
          lodbias = 63;
      
      state[I830_TEXREG_TM0S3] = ((lodbias << TM0S3_LOD_BIAS_SHIFT) & 
                                  TM0S3_LOD_BIAS_MASK);
#if 0
      /* YUV conversion:
       */
      if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR ||
          firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV)
         state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION;
#endif

      state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel -
                                    intelObj->firstLevel) *
                                   4) << TM0S3_MIN_MIP_SHIFT;

      state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) |
                                   (mipFilt << TM0S3_MIP_FILTER_SHIFT) |
                                   (magFilt << TM0S3_MAG_FILTER_SHIFT));
   }

   {
      GLenum ws = tObj->WrapS;
      GLenum wt = tObj->WrapT;


      /* 3D textures not available on i830
       */
      if (tObj->Target == GL_TEXTURE_3D)
         return GL_FALSE;

      state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
                                MAP_UNIT(unit) |
                                ENABLE_TEXCOORD_PARAMS |
                                ss3 |
                                ENABLE_ADDR_V_CNTL |
                                TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt))
                                | ENABLE_ADDR_U_CNTL |
                                TEXCOORD_ADDR_U_MODE(translate_wrap_mode
                                                     (ws)));
   }

   /* convert border color from float to ubyte */
   CLAMPED_FLOAT_TO_UBYTE(border[0], tObj->BorderColor.f[0]);
   CLAMPED_FLOAT_TO_UBYTE(border[1], tObj->BorderColor.f[1]);
   CLAMPED_FLOAT_TO_UBYTE(border[2], tObj->BorderColor.f[2]);
   CLAMPED_FLOAT_TO_UBYTE(border[3], tObj->BorderColor.f[3]);

   state[I830_TEXREG_TM0S4] = PACK_COLOR_8888(border[3],
					      border[0],
					      border[1],
					      border[2]);

   I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE);
   /* memcmp was already disabled, but definitely won't work as the
    * region might now change and that wouldn't be detected:
    */
   I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
   return GL_TRUE;
}
/* Recalculate all state from scratch.  Perhaps not the most
 * efficient, but this has gotten complex enough that we need
 * something which is understandable and reliable.
 */
static GLboolean
i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
   GLcontext *ctx = &intel->ctx;
   struct i830_context *i830 = i830_context(ctx);
   struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
   struct intel_texture_object *intelObj = intel_texture_object(tObj);
   struct gl_texture_image *firstImage;
   GLuint *state = i830->state.Tex[unit], format, pitch;

   memset(state, 0, sizeof(state));

   /*We need to refcount these. */

   if (i830->state.tex_buffer[unit] != NULL) {
       dri_bo_unreference(i830->state.tex_buffer[unit]);
       i830->state.tex_buffer[unit] = NULL;
   }

   if (!intelObj->imageOverride && !intel_finalize_mipmap_tree(intel, unit))
      return GL_FALSE;

   /* Get first image here, since intelObj->firstLevel will get set in
    * the intel_finalize_mipmap_tree() call above.
    */
   firstImage = tObj->Image[0][intelObj->firstLevel];

   if (intelObj->imageOverride) {
      i830->state.tex_buffer[unit] = NULL;
      i830->state.tex_offset[unit] = intelObj->textureOffset;

      switch (intelObj->depthOverride) {
      case 32:
	 format = MAPSURF_32BIT | MT_32BIT_ARGB8888;
	 break;
      case 24:
      default:
	 format = MAPSURF_32BIT | MT_32BIT_XRGB8888;
	 break;
      case 16:
	 format = MAPSURF_16BIT | MT_16BIT_RGB565;
	 break;
      }

      pitch = intelObj->pitchOverride;
   } else {
      dri_bo_reference(intelObj->mt->region->buffer);
      i830->state.tex_buffer[unit] = intelObj->mt->region->buffer;
      i830->state.tex_offset[unit] = intel_miptree_image_offset(intelObj->mt,
								0, intelObj->
								firstLevel);

      format = translate_texture_format(firstImage->TexFormat->MesaFormat);
      pitch = intelObj->mt->pitch * intelObj->mt->cpp;
   }

   state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
                               (LOAD_TEXTURE_MAP0 << unit) | 4);

/*    state[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | */
/* 			       t->intel.TextureOffset); */


   state[I830_TEXREG_TM0S1] =
      (((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) |
       ((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format);

   state[I830_TEXREG_TM0S2] =
      ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);

   {
      if (tObj->Target == GL_TEXTURE_CUBE_MAP)
         state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) |
                                    CUBE_NEGX_ENABLE |
                                    CUBE_POSX_ENABLE |
                                    CUBE_NEGY_ENABLE |
                                    CUBE_POSY_ENABLE |
                                    CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE);
      else
         state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit));
   }




   {
      GLuint minFilt, mipFilt, magFilt;

      switch (tObj->MinFilter) {
      case GL_NEAREST:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_NONE;
         break;
      case GL_LINEAR:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_NONE;
         break;
      case GL_NEAREST_MIPMAP_NEAREST:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_NEAREST;
         break;
      case GL_LINEAR_MIPMAP_NEAREST:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_NEAREST;
         break;
      case GL_NEAREST_MIPMAP_LINEAR:
         minFilt = FILTER_NEAREST;
         mipFilt = MIPFILTER_LINEAR;
         break;
      case GL_LINEAR_MIPMAP_LINEAR:
         minFilt = FILTER_LINEAR;
         mipFilt = MIPFILTER_LINEAR;
         break;
      default:
         return GL_FALSE;
      }

      if (tObj->MaxAnisotropy > 1.0) {
         minFilt = FILTER_ANISOTROPIC;
         magFilt = FILTER_ANISOTROPIC;
      }
      else {
         switch (tObj->MagFilter) {
         case GL_NEAREST:
            magFilt = FILTER_NEAREST;
            break;
         case GL_LINEAR:
            magFilt = FILTER_LINEAR;
            break;
         default:
            return GL_FALSE;
         }
      }

      state[I830_TEXREG_TM0S3] = i830->lodbias_tm0s3[unit];

#if 0
      /* YUV conversion:
       */
      if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR ||
          firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV)
         state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION;
#endif

      state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel -
                                    intelObj->firstLevel) *
                                   4) << TM0S3_MIN_MIP_SHIFT;

      state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) |
                                   (mipFilt << TM0S3_MIP_FILTER_SHIFT) |
                                   (magFilt << TM0S3_MAG_FILTER_SHIFT));
   }

   {
      GLenum ws = tObj->WrapS;
      GLenum wt = tObj->WrapT;


      /* 3D textures not available on i830
       */
      if (tObj->Target == GL_TEXTURE_3D)
         return GL_FALSE;

      state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
                                MAP_UNIT(unit) |
                                ENABLE_TEXCOORD_PARAMS |
                                ss3 |
                                ENABLE_ADDR_V_CNTL |
                                TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt))
                                | ENABLE_ADDR_U_CNTL |
                                TEXCOORD_ADDR_U_MODE(translate_wrap_mode
                                                     (ws)));
   }


   state[I830_TEXREG_TM0S4] = INTEL_PACKCOLOR8888(tObj->_BorderChan[0],
                                                  tObj->_BorderChan[1],
                                                  tObj->_BorderChan[2],
                                                  tObj->_BorderChan[3]);


   I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE);
   /* memcmp was already disabled, but definitely won't work as the
    * region might now change and that wouldn't be detected:
    */
   I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
   return GL_TRUE;
}
Esempio n. 5
0
static void i830TexEnv( GLcontext *ctx, GLenum target, 
			GLenum pname, const GLfloat *param )
{
   i830ContextPtr i830 = I830_CONTEXT( ctx );
   GLuint unit = ctx->Texture.CurrentUnit;

   switch (pname) {
   case GL_TEXTURE_ENV_COLOR: 
#if 0
   {
      GLubyte r, g, b, a;
      GLuint col;
      
      UNCLAMPED_FLOAT_TO_UBYTE(r, param[RCOMP]);
      UNCLAMPED_FLOAT_TO_UBYTE(g, param[GCOMP]);
      UNCLAMPED_FLOAT_TO_UBYTE(b, param[BCOMP]);
      UNCLAMPED_FLOAT_TO_UBYTE(a, param[ACOMP]);

      col = ((a << 24) | (r << 16) | (g << 8) | b);

      if (col != i830->state.TexEnv[unit][I830_TEXENVREG_COL1]) {
	 I830_STATECHANGE(i830, I830_UPLOAD_TEXENV);
	 i830->state.TexEnv[unit][I830_TEXENVREG_COL1] = col;
      }

      break;
   }
#endif
   case GL_TEXTURE_ENV_MODE:
   case GL_COMBINE_RGB:
   case GL_COMBINE_ALPHA:
   case GL_SOURCE0_RGB:
   case GL_SOURCE1_RGB:
   case GL_SOURCE2_RGB:
   case GL_SOURCE0_ALPHA:
   case GL_SOURCE1_ALPHA:
   case GL_SOURCE2_ALPHA:
   case GL_OPERAND0_RGB:
   case GL_OPERAND1_RGB:
   case GL_OPERAND2_RGB:
   case GL_OPERAND0_ALPHA:
   case GL_OPERAND1_ALPHA:
   case GL_OPERAND2_ALPHA:
   case GL_RGB_SCALE:
   case GL_ALPHA_SCALE:
      break;

   case GL_TEXTURE_LOD_BIAS: {
      int b = (int) ((*param) * 16.0);
      if (b > 63) b = 63;
      if (b < -64) b = -64;
      I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
      i830->state.Tex[unit][I830_TEXREG_TM0S3] &= ~TM0S3_LOD_BIAS_MASK;
      i830->state.Tex[unit][I830_TEXREG_TM0S3] |= 
	 ((b << TM0S3_LOD_BIAS_SHIFT) & TM0S3_LOD_BIAS_MASK);
      break;
   }

   default:
      break;
   }
}