intel: Remove long-disabled meta readpixels, and associated meta support.

src/mesa/drivers/dri/i915/Makefile

 
 DRIVER_SOURCES = \
 	i830_context.c \
-	i830_metaops.c \
 	i830_state.c \
 	i830_texblend.c \
 	i830_texstate.c \
 	i915_debug.c \
 	i915_debug_fp.c \
 	i915_fragprog.c \
-	i915_metaops.c \
 	i915_program.c \
 	i915_state.c \
 	i915_vtbl.c \

src/mesa/drivers/dri/i915/i830_context.c

    intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
 
    i830InitState(i830);
-   i830InitMetaFuncs(i830);
 
    _tnl_allow_vertex_fog(ctx, 1);
    _tnl_allow_pixel_fog(ctx, 0);

src/mesa/drivers/dri/i915/i830_context.h

    GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
      DECLARE_RENDERINPUTS(last_index_bitset);
 
-   struct i830_hw_state meta, initial, state, *current;
+   struct i830_hw_state initial, state, *current;
 };
 
 
 extern void i830InitState(struct i830_context *i830);
 extern void i830_update_provoking_vertex(GLcontext *ctx);
 
-/* i830_metaops.c
- */
-extern void i830InitMetaFuncs(struct i830_context *i830);
-
 /*======================================================================
  * Inline conversion functions.  These are better-typed than the
  * macros used previously:

src/mesa/drivers/dri/i915/i830_metaops.c

-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#include "main/glheader.h"
-#include "main/enums.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "utils.h"
-
-#include "intel_screen.h"
-#include "intel_batchbuffer.h"
-#include "intel_regions.h"
-
-#include "i830_context.h"
-#include "i830_reg.h"
-
-/* A large amount of state doesn't need to be uploaded.
- */
-#define ACTIVE (I830_UPLOAD_INVARIENT |         \
-		I830_UPLOAD_CTX |		\
-		I830_UPLOAD_BUFFERS |		\
-		I830_UPLOAD_STIPPLE |		\
-		I830_UPLOAD_TEXBLEND(0) |	\
-		I830_UPLOAD_TEX(0))
-
-
-#define SET_STATE( i830, STATE )		\
-do {						\
-   i830->current->emitted &= ~ACTIVE;			\
-   i830->current = &i830->STATE;		\
-   i830->current->emitted &= ~ACTIVE;			\
-} while (0)
-
-
-static void
-set_no_stencil_write(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE )
-    */
-   i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_STENCIL_TEST;
-   i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_STENCIL_WRITE;
-   i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_STENCIL_TEST;
-   i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_STENCIL_WRITE;
-
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-}
-
-static void
-set_no_depth_write(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   /* 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;
-
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-}
-
-/* Set depth unit to replace.
- */
-static void
-set_depth_replace(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
-    * ctx->Driver.DepthMask( ctx, GL_TRUE )
-    */
-   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] |= ENABLE_DEPTH_TEST;
-   i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_DEPTH_WRITE;
-
-   /* ctx->Driver.DepthFunc( ctx, GL_ALWAYS )
-    */
-   i830->meta.Ctx[I830_CTXREG_STATE3] &= ~DEPTH_TEST_FUNC_MASK;
-   i830->meta.Ctx[I830_CTXREG_STATE3] |= (ENABLE_DEPTH_TEST_FUNC |
-                                          DEPTH_TEST_FUNC
-                                          (COMPAREFUNC_ALWAYS));
-
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-}
-
-
-/* Set stencil unit to replace always with the reference value.
- */
-static void
-set_stencil_replace(struct intel_context *intel,
-                    GLuint s_mask, GLuint s_clear)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   /* 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.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;
-}
-
-
-static void
-set_color_mask(struct intel_context *intel, GLboolean state)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   const GLuint mask = ((1 << WRITEMASK_RED_SHIFT) |
-                        (1 << WRITEMASK_GREEN_SHIFT) |
-                        (1 << WRITEMASK_BLUE_SHIFT) |
-                        (1 << WRITEMASK_ALPHA_SHIFT));
-
-   i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~mask;
-
-   if (state) {
-      i830->meta.Ctx[I830_CTXREG_ENABLES_2] |=
-         (i830->state.Ctx[I830_CTXREG_ENABLES_2] & mask);
-   }
-
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-}
-
-/* Installs a one-stage passthrough texture blend pipeline.  Is there
- * more that can be done to turn off texturing?
- */
-static void
-set_no_texture(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   static const struct gl_tex_env_combine_state comb = {
-      GL_NONE, GL_NONE,
-      {GL_TEXTURE, 0, 0,}, {GL_TEXTURE, 0, 0,},
-      {GL_SRC_COLOR, 0, 0}, {GL_SRC_ALPHA, 0, 0},
-      0, 0, 0, 0
-   };
-
-   i830->meta.TexBlendWordsUsed[0] =
-      i830SetTexEnvCombine(i830, &comb, 0, TEXBLENDARG_TEXEL0,
-                           i830->meta.TexBlend[0], NULL);
-
-   i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE;
-   i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0);
-}
-
-/* Set up a single element blend stage for 'replace' texturing with no
- * funny ops.
- */
-static void
-set_texture_blend_replace(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   static const struct gl_tex_env_combine_state comb = {
-      GL_REPLACE, GL_REPLACE,
-      {GL_TEXTURE, GL_TEXTURE, GL_TEXTURE,}, {GL_TEXTURE, GL_TEXTURE,
-                                              GL_TEXTURE,},
-      {GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_COLOR}, {GL_SRC_ALPHA, GL_SRC_ALPHA,
-                                                   GL_SRC_ALPHA},
-      0, 0, 1, 1
-   };
-
-   i830->meta.TexBlendWordsUsed[0] =
-      i830SetTexEnvCombine(i830, &comb, 0, TEXBLENDARG_TEXEL0,
-                           i830->meta.TexBlend[0], NULL);
-
-   i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE;
-   i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0);
-
-/*    fprintf(stderr, "%s: TexBlendWordsUsed[0]: %d\n",  */
-/* 	   __FUNCTION__, i830->meta.TexBlendWordsUsed[0]); */
-}
-
-
-
-/* Set up an arbitary piece of memory as a rectangular texture
- * (including the front or back buffer).
- */
-static GLboolean
-set_tex_rect_source(struct intel_context *intel,
-                    dri_bo *buffer,
-                    GLuint offset,
-                    GLuint pitch, GLuint height, GLenum format, GLenum type)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   GLuint *setup = i830->meta.Tex[0];
-   GLint numLevels = 1;
-   GLuint textureFormat;
-   GLuint cpp;
-
-   /* A full implementation of this would do the upload through
-    * glTexImage2d, and get all the conversion operations at that
-    * point.  We are restricted, but still at least have access to the
-    * fragment program swizzle.
-    */
-   switch (format) {
-   case GL_BGRA:
-      switch (type) {
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_BYTE:
-         textureFormat = (MAPSURF_32BIT | MT_32BIT_ARGB8888);
-         cpp = 4;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_RGBA:
-      switch (type) {
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_BYTE:
-         textureFormat = (MAPSURF_32BIT | MT_32BIT_ABGR8888);
-         cpp = 4;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_BGR:
-      switch (type) {
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-         textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
-         cpp = 2;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_RGB:
-      switch (type) {
-      case GL_UNSIGNED_SHORT_5_6_5:
-         textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
-         cpp = 2;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-
-   default:
-      return GL_FALSE;
-   }
-
-   i830->meta.tex_buffer[0] = buffer;
-   i830->meta.tex_offset[0] = offset;
-
-   setup[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
-                               (LOAD_TEXTURE_MAP0 << 0) | 4);
-   setup[I830_TEXREG_TM0S1] = (((height - 1) << TM0S1_HEIGHT_SHIFT) |
-                               ((pitch - 1) << TM0S1_WIDTH_SHIFT) |
-                               textureFormat);
-   setup[I830_TEXREG_TM0S2] =
-      (((((pitch * cpp) / 4) -
-         1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);
-
-   setup[I830_TEXREG_TM0S3] =
-      ((((numLevels -
-          1) *
-         4) << TM0S3_MIN_MIP_SHIFT) | (FILTER_NEAREST <<
-                                       TM0S3_MIN_FILTER_SHIFT) |
-       (MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT) | (FILTER_NEAREST <<
-                                                     TM0S3_MAG_FILTER_SHIFT));
-
-   setup[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(0));
-
-   setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
-                             MAP_UNIT(0) |
-                             ENABLE_TEXCOORD_PARAMS |
-                             TEXCOORDS_ARE_IN_TEXELUNITS |
-                             TEXCOORDTYPE_CARTESIAN |
-                             ENABLE_ADDR_V_CNTL |
-                             TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
-                             ENABLE_ADDR_U_CNTL |
-                             TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
-
-   i830->meta.emitted &= ~I830_UPLOAD_TEX(0);
-   return GL_TRUE;
-}
-
-
-static void
-set_vertex_format(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   i830->meta.Ctx[I830_CTXREG_VF] = (_3DSTATE_VFT0_CMD |
-                                     VFT0_TEX_COUNT(1) |
-                                     VFT0_DIFFUSE | VFT0_XYZ);
-   i830->meta.Ctx[I830_CTXREG_VF2] = (_3DSTATE_VFT1_CMD |
-                                      VFT1_TEX0_FMT(TEXCOORDFMT_2D) |
-                                      VFT1_TEX1_FMT(TEXCOORDFMT_2D) |
-                                      VFT1_TEX2_FMT(TEXCOORDFMT_2D) |
-                                      VFT1_TEX3_FMT(TEXCOORDFMT_2D));
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-}
-
-
-static void
-meta_import_pixel_state(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   i830->meta.Ctx[I830_CTXREG_STATE1] = i830->state.Ctx[I830_CTXREG_STATE1];
-   i830->meta.Ctx[I830_CTXREG_STATE2] = i830->state.Ctx[I830_CTXREG_STATE2];
-   i830->meta.Ctx[I830_CTXREG_STATE3] = i830->state.Ctx[I830_CTXREG_STATE3];
-   i830->meta.Ctx[I830_CTXREG_STATE4] = i830->state.Ctx[I830_CTXREG_STATE4];
-   i830->meta.Ctx[I830_CTXREG_STATE5] = i830->state.Ctx[I830_CTXREG_STATE5];
-   i830->meta.Ctx[I830_CTXREG_IALPHAB] = i830->state.Ctx[I830_CTXREG_IALPHAB];
-   i830->meta.Ctx[I830_CTXREG_STENCILTST] =
-      i830->state.Ctx[I830_CTXREG_STENCILTST];
-   i830->meta.Ctx[I830_CTXREG_ENABLES_1] =
-      i830->state.Ctx[I830_CTXREG_ENABLES_1];
-   i830->meta.Ctx[I830_CTXREG_ENABLES_2] =
-      i830->state.Ctx[I830_CTXREG_ENABLES_2];
-   i830->meta.Ctx[I830_CTXREG_AA] = i830->state.Ctx[I830_CTXREG_AA];
-   i830->meta.Ctx[I830_CTXREG_FOGCOLOR] =
-      i830->state.Ctx[I830_CTXREG_FOGCOLOR];
-   i830->meta.Ctx[I830_CTXREG_BLENDCOLOR0] =
-      i830->state.Ctx[I830_CTXREG_BLENDCOLOR0];
-   i830->meta.Ctx[I830_CTXREG_BLENDCOLOR1] =
-      i830->state.Ctx[I830_CTXREG_BLENDCOLOR1];
-   i830->meta.Ctx[I830_CTXREG_MCSB0] = i830->state.Ctx[I830_CTXREG_MCSB0];
-   i830->meta.Ctx[I830_CTXREG_MCSB1] = i830->state.Ctx[I830_CTXREG_MCSB1];
-
-
-   i830->meta.Ctx[I830_CTXREG_STATE3] &= ~CULLMODE_MASK;
-   i830->meta.Stipple[I830_STPREG_ST1] &= ~ST1_ENABLE;
-   i830->meta.emitted &= ~I830_UPLOAD_CTX;
-
-
-   i830->meta.Buffer[I830_DESTREG_SENABLE] =
-      i830->state.Buffer[I830_DESTREG_SENABLE];
-   i830->meta.Buffer[I830_DESTREG_SR1] = i830->state.Buffer[I830_DESTREG_SR1];
-   i830->meta.Buffer[I830_DESTREG_SR2] = i830->state.Buffer[I830_DESTREG_SR2];
-   i830->meta.emitted &= ~I830_UPLOAD_BUFFERS;
-}
-
-
-
-/* Select between front and back draw buffers.
- */
-static void
-meta_draw_region(struct intel_context *intel,
-                 struct intel_region *color_region,
-                 struct intel_region *depth_region)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-
-   i830_state_draw_region(intel, &i830->meta, color_region, depth_region);
-}
-
-
-/* Operations where the 3D engine is decoupled temporarily from the
- * current GL state and used for other purposes than simply rendering
- * incoming triangles.
- */
-static void
-install_meta_state(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   memcpy(&i830->meta, &i830->initial, sizeof(i830->meta));
-
-   i830->meta.active = ACTIVE;
-   i830->meta.emitted = 0;
-
-   SET_STATE(i830, meta);
-   set_vertex_format(intel);
-   set_no_texture(intel);
-}
-
-static void
-leave_meta_state(struct intel_context *intel)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   intel_region_release(&i830->meta.draw_region);
-   intel_region_release(&i830->meta.depth_region);
-/*    intel_region_release(intel, &i830->meta.tex_region[0]); */
-   SET_STATE(i830, state);
-}
-
-
-
-void
-i830InitMetaFuncs(struct i830_context *i830)
-{
-   i830->intel.vtbl.install_meta_state = install_meta_state;
-   i830->intel.vtbl.leave_meta_state = leave_meta_state;
-   i830->intel.vtbl.meta_no_depth_write = set_no_depth_write;
-   i830->intel.vtbl.meta_no_stencil_write = set_no_stencil_write;
-   i830->intel.vtbl.meta_stencil_replace = set_stencil_replace;
-   i830->intel.vtbl.meta_depth_replace = set_depth_replace;
-   i830->intel.vtbl.meta_color_mask = set_color_mask;
-   i830->intel.vtbl.meta_no_texture = set_no_texture;
-   i830->intel.vtbl.meta_texture_blend_replace = set_texture_blend_replace;
-   i830->intel.vtbl.meta_tex_rect_source = set_tex_rect_source;
-   i830->intel.vtbl.meta_draw_region = meta_draw_region;
-   i830->intel.vtbl.meta_import_pixel_state = meta_import_pixel_state;
-}

src/mesa/drivers/dri/i915/i830_vtbl.c

 		      I915_GEM_DOMAIN_SAMPLER, 0,
                       state->tex_offset[i]);
          }
-	 else if (state == &i830->meta) {
-	    assert(i == 0);
-	    OUT_BATCH(0);
-	 }
 	 else {
 	    OUT_BATCH(state->tex_offset[i]);
 	 }
 
    intel_region_release(&i830->state.draw_region);
    intel_region_release(&i830->state.depth_region);
-   intel_region_release(&i830->meta.draw_region);
-   intel_region_release(&i830->meta.depth_region);
    intel_region_release(&i830->initial.draw_region);
    intel_region_release(&i830->initial.depth_region);
 
    _tnl_free_vertices(&intel->ctx);
 }
 
-
-void
-i830_state_draw_region(struct intel_context *intel,
-		       struct i830_hw_state *state,
-		       struct intel_region *color_region,
-		       struct intel_region *depth_region)
+static void
+i830_set_draw_region(struct intel_context *intel,
+                     struct intel_region *color_regions[],
+                     struct intel_region *depth_region,
+		     GLuint num_regions)
 {
    struct i830_context *i830 = i830_context(&intel->ctx);
    GLcontext *ctx = &intel->ctx;
    struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);
    GLuint value;
+   struct i830_hw_state *state = &i830->state;
 
-   ASSERT(state == &i830->state || state == &i830->meta);
-
-   if (state->draw_region != color_region) {
+   if (state->draw_region != color_regions[0]) {
       intel_region_release(&state->draw_region);
-      intel_region_reference(&state->draw_region, color_region);
+      intel_region_reference(&state->draw_region, color_regions[0]);
    }
    if (state->depth_region != depth_region) {
       intel_region_release(&state->depth_region);
     * Set stride/cpp values
     */
    i915_set_buf_info_for_region(&state->Buffer[I830_DESTREG_CBUFADDR0],
-				color_region, BUF_3D_ID_COLOR_BACK);
+				color_regions[0], BUF_3D_ID_COLOR_BACK);
 
    i915_set_buf_info_for_region(&state->Buffer[I830_DESTREG_DBUFADDR0],
 				depth_region, BUF_3D_ID_DEPTH);
    state->Buffer[I830_DESTREG_DRAWRECT5] = 0;
 
    I830_STATECHANGE(i830, I830_UPLOAD_BUFFERS);
-
-
-}
-
-
-static void
-i830_set_draw_region(struct intel_context *intel,
-                     struct intel_region *color_regions[],
-                     struct intel_region *depth_region,
-		     GLuint num_regions)
-{
-   struct i830_context *i830 = i830_context(&intel->ctx);
-   i830_state_draw_region(intel, &i830->state, color_regions[0], depth_region);
 }
 
 /* This isn't really handled at the moment.

src/mesa/drivers/dri/i915/i915_context.c

       _mesa_printf("\ntexmem-0-3 branch\n\n");
 
    i915InitVtbl(i915);
-   i915InitMetaFuncs(i915);
 
    i915InitDriverFunctions(&functions);
 

src/mesa/drivers/dri/i915/i915_context.h

 
    struct i915_fragment_program *current_program;
 
-   struct i915_hw_state meta, initial, state, *current;
+   struct i915_hw_state initial, state, *current;
 };
 
 
 extern void i915UpdateTextureState(struct intel_context *intel);
 extern void i915InitTextureFuncs(struct dd_function_table *functions);
 
-/*======================================================================
- * i915_metaops.c
- */
-void i915InitMetaFuncs(struct i915_context *i915);
-
-
 /*======================================================================
  * i915_fragprog.c
  */

src/mesa/drivers/dri/i915/i915_metaops.c

-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#include "main/glheader.h"
-#include "main/enums.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "utils.h"
-
-#include "intel_screen.h"
-#include "intel_batchbuffer.h"
-#include "intel_regions.h"
-
-#include "i915_context.h"
-#include "i915_reg.h"
-
-/* We touch almost everything:
- */
-#define ACTIVE (I915_UPLOAD_INVARIENT | 	\
-		I915_UPLOAD_CTX |		\
-		I915_UPLOAD_BUFFERS |		\
-		I915_UPLOAD_STIPPLE |		\
-                I915_UPLOAD_PROGRAM | 		\
-                I915_UPLOAD_FOG | 		\
-		I915_UPLOAD_TEX(0))
-
-#define SET_STATE( i915, STATE )		\
-do {						\
-   i915->current->emitted &= ~ACTIVE;		\
-   i915->current = &i915->STATE;		\
-   i915->current->emitted &= ~ACTIVE;		\
-} while (0)
-
-
-static void
-meta_no_stencil_write(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
-                                         S5_STENCIL_WRITE_ENABLE);
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-static void
-meta_no_depth_write(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS6] &= ~(S6_DEPTH_TEST_ENABLE |
-                                         S6_DEPTH_WRITE_ENABLE);
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-static void
-meta_depth_replace(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_TRUE )
-    * ctx->Driver.DepthMask( ctx, GL_TRUE )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS6] |= (S6_DEPTH_TEST_ENABLE |
-                                        S6_DEPTH_WRITE_ENABLE);
-
-   /* ctx->Driver.DepthFunc( ctx, GL_ALWAYS )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_FUNC_MASK;
-   i915->meta.Ctx[I915_CTXREG_LIS6] |=
-      COMPAREFUNC_ALWAYS << S6_DEPTH_TEST_FUNC_SHIFT;
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-/* Set stencil unit to replace always with the reference value.
- */
-static void
-meta_stencil_replace(struct intel_context *intel,
-                     GLuint s_mask, GLuint s_clear)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   GLuint op = STENCILOP_REPLACE;
-   GLuint func = COMPAREFUNC_ALWAYS;
-
-   /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
-                                        S5_STENCIL_WRITE_ENABLE);
-
-   /* ctx->Driver.StencilMask( ctx, s_mask )
-    */
-   i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
-
-   i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
-                                          STENCIL_WRITE_MASK(s_mask));
-
-   /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE )
-    */
-   i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK |
-                                         S5_STENCIL_PASS_Z_FAIL_MASK |
-                                         S5_STENCIL_PASS_Z_PASS_MASK);
-
-   i915->meta.Ctx[I915_CTXREG_LIS5] |= ((op << S5_STENCIL_FAIL_SHIFT) |
-                                        (op << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
-                                        (op << S5_STENCIL_PASS_Z_PASS_SHIFT));
-
-
-   /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_ref, ~0 )
-    */
-   i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
-   i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
-                                          STENCIL_TEST_MASK(0xff));
-
-   i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK |
-                                         S5_STENCIL_TEST_FUNC_MASK);
-
-   i915->meta.Ctx[I915_CTXREG_LIS5] |= ((s_clear << S5_STENCIL_REF_SHIFT) |
-                                        (func << S5_STENCIL_TEST_FUNC_SHIFT));
-
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-static void
-meta_color_mask(struct intel_context *intel, GLboolean state)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   const GLuint mask = (S5_WRITEDISABLE_RED |
-                        S5_WRITEDISABLE_GREEN |
-                        S5_WRITEDISABLE_BLUE | S5_WRITEDISABLE_ALPHA);
-
-   /* Copy colormask state from "regular" hw context.
-    */
-   if (state) {
-      i915->meta.Ctx[I915_CTXREG_LIS5] &= ~mask;
-      i915->meta.Ctx[I915_CTXREG_LIS5] |=
-         (i915->state.Ctx[I915_CTXREG_LIS5] & mask);
-   }
-   else
-      i915->meta.Ctx[I915_CTXREG_LIS5] |= mask;
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-
-static void
-meta_import_pixel_state(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   memcpy(i915->meta.Fog, i915->state.Fog, I915_FOG_SETUP_SIZE * 4);
-
-   i915->meta.Ctx[I915_CTXREG_LIS5] = i915->state.Ctx[I915_CTXREG_LIS5];
-   i915->meta.Ctx[I915_CTXREG_LIS6] = i915->state.Ctx[I915_CTXREG_LIS6];
-   i915->meta.Ctx[I915_CTXREG_STATE4] = i915->state.Ctx[I915_CTXREG_STATE4];
-   i915->meta.Ctx[I915_CTXREG_BLENDCOLOR1] =
-      i915->state.Ctx[I915_CTXREG_BLENDCOLOR1];
-   i915->meta.Ctx[I915_CTXREG_IAB] = i915->state.Ctx[I915_CTXREG_IAB];
-
-   i915->meta.Buffer[I915_DESTREG_SENABLE] =
-      i915->state.Buffer[I915_DESTREG_SENABLE];
-   i915->meta.Buffer[I915_DESTREG_SR1] = i915->state.Buffer[I915_DESTREG_SR1];
-   i915->meta.Buffer[I915_DESTREG_SR2] = i915->state.Buffer[I915_DESTREG_SR2];
-
-   i915->meta.emitted &= ~I915_UPLOAD_FOG;
-   i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-
-
-#define REG( type, nr ) (((type)<<5)|(nr))
-
-#define REG_R(x)       REG(REG_TYPE_R, x)
-#define REG_T(x)       REG(REG_TYPE_T, x)
-#define REG_CONST(x)   REG(REG_TYPE_CONST, x)
-#define REG_S(x)       REG(REG_TYPE_S, x)
-#define REG_OC         REG(REG_TYPE_OC, 0)
-#define REG_OD	       REG(REG_TYPE_OD, 0)
-#define REG_U(x)       REG(REG_TYPE_U, x)
-
-#define REG_T_DIFFUSE  REG(REG_TYPE_T, T_DIFFUSE)
-#define REG_T_SPECULAR REG(REG_TYPE_T, T_SPECULAR)
-#define REG_T_FOG_W    REG(REG_TYPE_T, T_FOG_W)
-#define REG_T_TEX(x)   REG(REG_TYPE_T, x)
-
-
-#define A0_DEST_REG( reg ) ( (reg) << A0_DEST_NR_SHIFT )
-#define A0_SRC0_REG( reg ) ( (reg) << A0_SRC0_NR_SHIFT )
-#define A1_SRC1_REG( reg ) ( (reg) << A1_SRC1_NR_SHIFT )
-#define A1_SRC2_REG( reg ) ( (reg) << A1_SRC2_NR_SHIFT )
-#define A2_SRC2_REG( reg ) ( (reg) << A2_SRC2_NR_SHIFT )
-#define D0_DECL_REG( reg ) ( (reg) << D0_NR_SHIFT )
-#define T0_DEST_REG( reg ) ( (reg) << T0_DEST_NR_SHIFT )
-
-#define T0_SAMPLER( unit )     ((unit)<<T0_SAMPLER_NR_SHIFT)
-
-#define T1_ADDRESS_REG( type, nr ) (((type)<<T1_ADDRESS_REG_TYPE_SHIFT)| \
-				    ((nr)<<T1_ADDRESS_REG_NR_SHIFT))
-
-
-#define A1_SRC0_XYZW ((SRC_X << A1_SRC0_CHANNEL_X_SHIFT) |	\
-		      (SRC_Y << A1_SRC0_CHANNEL_Y_SHIFT) |	\
-		      (SRC_Z << A1_SRC0_CHANNEL_Z_SHIFT) |	\
-		      (SRC_W << A1_SRC0_CHANNEL_W_SHIFT))
-
-#define A1_SRC1_XY   ((SRC_X << A1_SRC1_CHANNEL_X_SHIFT) |	\
-		      (SRC_Y << A1_SRC1_CHANNEL_Y_SHIFT))
-
-#define A2_SRC1_ZW   ((SRC_Z << A2_SRC1_CHANNEL_Z_SHIFT) |	\
-		      (SRC_W << A2_SRC1_CHANNEL_W_SHIFT))
-
-#define A2_SRC2_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) |	\
-		      (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) |	\
-		      (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) |	\
-		      (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
-
-
-
-
-
-static void
-meta_no_texture(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   static const GLuint prog[] = {
-      _3DSTATE_PIXEL_SHADER_PROGRAM,
-
-      /* Declare incoming diffuse color:
-       */
-      (D0_DCL | D0_DECL_REG(REG_T_DIFFUSE) | D0_CHANNEL_ALL),
-      D1_MBZ,
-      D2_MBZ,
-
-      /* output-color = mov(t_diffuse)
-       */
-      (A0_MOV |
-       A0_DEST_REG(REG_OC) |
-       A0_DEST_CHANNEL_ALL | A0_SRC0_REG(REG_T_DIFFUSE)),
-      (A1_SRC0_XYZW),
-      0,
-   };
-
-
-   memcpy(i915->meta.Program, prog, sizeof(prog));
-   i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
-   i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
-   i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
-}
-
-static void
-meta_texture_blend_replace(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   static const GLuint prog[] = {
-      _3DSTATE_PIXEL_SHADER_PROGRAM,
-
-      /* Declare the sampler:
-       */
-      (D0_DCL | D0_DECL_REG(REG_S(0)) | D0_SAMPLE_TYPE_2D | D0_CHANNEL_NONE),
-      D1_MBZ,
-      D2_MBZ,
-
-      /* Declare the interpolated texture coordinate:
-       */
-      (D0_DCL | D0_DECL_REG(REG_T_TEX(0)) | D0_CHANNEL_ALL),
-      D1_MBZ,
-      D2_MBZ,
-
-      /* output-color = texld(sample0, texcoord0) 
-       */
-      (T0_TEXLD | T0_DEST_REG(REG_OC) | T0_SAMPLER(0)),
-      T1_ADDRESS_REG(REG_TYPE_T, 0),
-      T2_MBZ
-   };
-
-   memcpy(i915->meta.Program, prog, sizeof(prog));
-   i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
-   i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
-   i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
-}
-
-
-
-
-
-/* Set up an arbitary piece of memory as a rectangular texture
- * (including the front or back buffer).
- */
-static GLboolean
-meta_tex_rect_source(struct intel_context *intel,
-                     dri_bo *buffer,
-                     GLuint offset,
-                     GLuint pitch, GLuint height, GLenum format, GLenum type)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   GLuint unit = 0;
-   GLint numLevels = 1;
-   GLuint *state = i915->meta.Tex[0];
-   GLuint textureFormat;
-   GLuint cpp;
-
-   /* A full implementation of this would do the upload through
-    * glTexImage2d, and get all the conversion operations at that
-    * point.  We are restricted, but still at least have access to the
-    * fragment program swizzle.
-    */
-   switch (format) {
-   case GL_BGRA:
-      switch (type) {
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_BYTE:
-         textureFormat = (MAPSURF_32BIT | MT_32BIT_ARGB8888);
-         cpp = 4;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_RGBA:
-      switch (type) {
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_BYTE:
-         textureFormat = (MAPSURF_32BIT | MT_32BIT_ABGR8888);
-         cpp = 4;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_BGR:
-      switch (type) {
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-         textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
-         cpp = 2;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-   case GL_RGB:
-      switch (type) {
-      case GL_UNSIGNED_SHORT_5_6_5:
-         textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
-         cpp = 2;
-         break;
-      default:
-         return GL_FALSE;
-      }
-      break;
-
-   default:
-      return GL_FALSE;
-   }
-
-
-   if ((pitch * cpp) & 3) {
-      _mesa_printf("%s: texture is not dword pitch\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-/*    intel_region_release(&i915->meta.tex_region[0]); */
-/*    intel_region_reference(&i915->meta.tex_region[0], region); */
-   i915->meta.tex_buffer[0] = buffer;
-   i915->meta.tex_offset[0] = offset;
-
-   state[I915_TEXREG_MS3] = (((height - 1) << MS3_HEIGHT_SHIFT) |
-                             ((pitch - 1) << MS3_WIDTH_SHIFT) |
-                             textureFormat | MS3_USE_FENCE_REGS);
-
-   state[I915_TEXREG_MS4] = (((((pitch * cpp) / 4) - 1) << MS4_PITCH_SHIFT) |
-                             MS4_CUBE_FACE_ENA_MASK |
-                             ((((numLevels - 1) * 4)) << MS4_MAX_LOD_SHIFT));
-
-   state[I915_TEXREG_SS2] = ((FILTER_NEAREST << SS2_MIN_FILTER_SHIFT) |
-                             (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT) |
-                             (FILTER_NEAREST << SS2_MAG_FILTER_SHIFT));
-
-   state[I915_TEXREG_SS3] = ((TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT) |
-                             (TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT) |
-                             (TEXCOORDMODE_WRAP << SS3_TCZ_ADDR_MODE_SHIFT) |
-                             (unit << SS3_TEXTUREMAP_INDEX_SHIFT));
-
-   state[I915_TEXREG_SS4] = 0;
-
-   i915->meta.emitted &= ~I915_UPLOAD_TEX(0);
-   return GL_TRUE;
-}
-
-
-/**
- * Set the color and depth drawing region for meta ops.
- */
-static void
-meta_draw_region(struct intel_context *intel,
-                 struct intel_region *color_region,
-                 struct intel_region *depth_region)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   i915_state_draw_region(intel, &i915->meta, color_region, depth_region);
-}
-
-
-static void
-set_vertex_format(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-
-   i915->meta.Ctx[I915_CTXREG_LIS2] =
-      (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));
-
-   i915->meta.Ctx[I915_CTXREG_LIS4] &= ~S4_VFMT_MASK;
-
-   i915->meta.Ctx[I915_CTXREG_LIS4] |= (S4_VFMT_COLOR | S4_VFMT_XYZ);
-
-   i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-
-/* Operations where the 3D engine is decoupled temporarily from the
- * current GL state and used for other purposes than simply rendering
- * incoming triangles.
- */
-static void
-install_meta_state(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   memcpy(&i915->meta, &i915->initial, sizeof(i915->meta));
-   i915->meta.active = ACTIVE;
-   i915->meta.emitted = 0;
-
-   SET_STATE(i915, meta);
-   set_vertex_format(intel);
-   meta_no_texture(intel);
-}
-
-static void
-leave_meta_state(struct intel_context *intel)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   intel_region_release(&i915->meta.draw_region);
-   intel_region_release(&i915->meta.depth_region);
-/*    intel_region_release(&i915->meta.tex_region[0]); */
-   SET_STATE(i915, state);
-}
-
-
-
-void
-i915InitMetaFuncs(struct i915_context *i915)
-{
-   i915->intel.vtbl.install_meta_state = install_meta_state;
-   i915->intel.vtbl.leave_meta_state = leave_meta_state;
-   i915->intel.vtbl.meta_no_depth_write = meta_no_depth_write;
-   i915->intel.vtbl.meta_no_stencil_write = meta_no_stencil_write;
-   i915->intel.vtbl.meta_stencil_replace = meta_stencil_replace;
-   i915->intel.vtbl.meta_depth_replace = meta_depth_replace;
-   i915->intel.vtbl.meta_color_mask = meta_color_mask;
-   i915->intel.vtbl.meta_no_texture = meta_no_texture;
-   i915->intel.vtbl.meta_texture_blend_replace = meta_texture_blend_replace;
-   i915->intel.vtbl.meta_tex_rect_source = meta_tex_rect_source;
-   i915->intel.vtbl.meta_draw_region = meta_draw_region;
-   i915->intel.vtbl.meta_import_pixel_state = meta_import_pixel_state;
-}

src/mesa/drivers/dri/i915/i915_vtbl.c

 			 I915_GEM_DOMAIN_SAMPLER, 0,
                          state->tex_offset[i]);
             }
-            else if (state == &i915->meta) {
-               assert(i == 0);
-               OUT_BATCH(0);
-            }
             else {
                OUT_BATCH(state->tex_offset[i]);
             }
 
    intel_region_release(&i915->state.draw_region);
    intel_region_release(&i915->state.depth_region);
-   intel_region_release(&i915->meta.draw_region);
-   intel_region_release(&i915->meta.depth_region);
    intel_region_release(&i915->initial.draw_region);
    intel_region_release(&i915->initial.depth_region);
 
    }
 }
 
-/**
- * Set the drawing regions for the color and depth/stencil buffers.
- * This involves setting the pitch, cpp and buffer ID/location.
- * Also set pixel format for color and Z rendering
- * Used for setting both regular and meta state.
- */
-void
-i915_state_draw_region(struct intel_context *intel,
-                       struct i915_hw_state *state,
-                       struct intel_region *color_region,
-                       struct intel_region *depth_region)
+static void
+i915_set_draw_region(struct intel_context *intel,
+                     struct intel_region *color_regions[],
+                     struct intel_region *depth_region,
+		     GLuint num_regions)
 {
    struct i915_context *i915 = i915_context(&intel->ctx);
    GLcontext *ctx = &intel->ctx;
    struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);
    GLuint value;
+   struct i915_hw_state *state = &i915->state;
 
-   ASSERT(state == &i915->state || state == &i915->meta);
-
-   if (state->draw_region != color_region) {
+   if (state->draw_region != color_regions[0]) {
       intel_region_release(&state->draw_region);
-      intel_region_reference(&state->draw_region, color_region);
+      intel_region_reference(&state->draw_region, color_regions[0]);
    }
    if (state->depth_region != depth_region) {
       intel_region_release(&state->depth_region);
     * Set stride/cpp values
     */
    i915_set_buf_info_for_region(&state->Buffer[I915_DESTREG_CBUFADDR0],
-				color_region, BUF_3D_ID_COLOR_BACK);
+				color_regions[0], BUF_3D_ID_COLOR_BACK);
 
    i915_set_buf_info_for_region(&state->Buffer[I915_DESTREG_DBUFADDR0],
 				depth_region, BUF_3D_ID_DEPTH);
 }
 
 
-static void
-i915_set_draw_region(struct intel_context *intel,
-                     struct intel_region *color_regions[],
-                     struct intel_region *depth_region,
-		     GLuint num_regions)
-{
-   struct i915_context *i915 = i915_context(&intel->ctx);
-   i915_state_draw_region(intel, &i915->state, color_regions[0], depth_region);
-}
-
-
 
 static void
 i915_new_batch(struct intel_context *intel)

src/mesa/drivers/dri/intel/intel_context.h

       void (*invalidate_state) (struct intel_context *intel,
 				GLuint new_state);
 
-
-      /* Metaops: 
-       */
-      void (*install_meta_state) (struct intel_context * intel);
-      void (*leave_meta_state) (struct intel_context * intel);
-
-      void (*meta_draw_region) (struct intel_context * intel,
-                                struct intel_region * draw_region,
-                                struct intel_region * depth_region);
-
-      void (*meta_color_mask) (struct intel_context * intel, GLboolean);
-
-      void (*meta_stencil_replace) (struct intel_context * intel,
-                                    GLuint mask, GLuint clear);
-
-      void (*meta_depth_replace) (struct intel_context * intel);
-
-      void (*meta_texture_blend_replace) (struct intel_context * intel);
-
-      void (*meta_no_stencil_write) (struct intel_context * intel);
-      void (*meta_no_depth_write) (struct intel_context * intel);
-      void (*meta_no_texture) (struct intel_context * intel);
-
-      void (*meta_import_pixel_state) (struct intel_context * intel);
-      void (*meta_frame_buffer_texture) (struct intel_context *intel,
-					 GLint xoff, GLint yoff);
-
-      GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
-					dri_bo * buffer,
-					GLuint offset,
-					GLuint pitch,
-					GLuint height,
-					GLenum format, GLenum type);
-
       void (*assert_not_dirty) (struct intel_context *intel);
 
       void (*debug_batch)(struct intel_context *intel);

src/mesa/drivers/dri/intel/intel_pixel_read.c

  * any case.
  */
 
-
-static GLboolean
-do_texture_readpixels(GLcontext * ctx,
-                      GLint x, GLint y, GLsizei width, GLsizei height,
-                      GLenum format, GLenum type,
-                      const struct gl_pixelstore_attrib *pack,
-                      struct intel_region *dest_region)
-{
-#if 0
-   struct intel_context *intel = intel_context(ctx);
-   intelScreenPrivate *screen = intel->intelScreen;
-   GLint pitch = pack->RowLength ? pack->RowLength : width;
-   __DRIdrawable *dPriv = intel->driDrawable;
-   int textureFormat;
-   GLenum glTextureFormat;
-   int destFormat, depthFormat, destPitch;
-   drm_clip_rect_t tmp;
-
-   if (INTEL_DEBUG & DEBUG_PIXEL)
-      fprintf(stderr, "%s\n", __FUNCTION__);
-
-
-   if (ctx->_ImageTransferState ||
-       pack->SwapBytes || pack->LsbFirst || !pack->Invert) {
-      if (INTEL_DEBUG & DEBUG_PIXEL)
-         fprintf(stderr, "%s: check_color failed\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-   intel->vtbl.meta_texrect_source(intel, intel_readbuf_region(intel));
-
-   if (!intel->vtbl.meta_render_dest(intel, dest_region, type, format)) {
-      if (INTEL_DEBUG & DEBUG_PIXEL)
-         fprintf(stderr, "%s: couldn't set dest %s/%s\n",
-                 __FUNCTION__,
-                 _mesa_lookup_enum_by_nr(type),
-                 _mesa_lookup_enum_by_nr(format));
-      return GL_FALSE;
-   }
-
-   if (intel->driDrawable->numClipRects) {
-      intel->vtbl.install_meta_state(intel);
-      intel->vtbl.meta_no_depth_write(intel);
-      intel->vtbl.meta_no_stencil_write(intel);
-
-      if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
-         SET_STATE(i830, state);
-         if (INTEL_DEBUG & DEBUG_PIXEL)
-            fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
-         return GL_TRUE;
-      }
-
-      y = dPriv->h - y - height;
-      x += dPriv->x;
-      y += dPriv->y;
-
-
-      /* Set the frontbuffer up as a large rectangular texture.
-       */
-      intel->vtbl.meta_tex_rect_source(intel, src_region, textureFormat);
-
-
-      intel->vtbl.meta_texture_blend_replace(i830, glTextureFormat);
-
-
-      /* Set the 3d engine to draw into the destination region:
-       */
-
-      intel->vtbl.meta_draw_region(intel, dest_region);
-      intel->vtbl.meta_draw_format(intel, destFormat, depthFormat);     /* ?? */
-
-
-      /* Draw a single quad, no cliprects:
-       */
-      intel->vtbl.meta_disable_cliprects(intel);
-
-      intel->vtbl.draw_quad(intel,
-                            0, width, 0, height,
-                            0x00ff00ff, x, x + width, y, y + height);
-
-      intel->vtbl.leave_meta_state(intel);
-   }
-
-   intel_region_wait_fence(ctx, dest_region);   /* required by GL */
-   return GL_TRUE;
-#endif
-
-   return GL_FALSE;
-}
-
-
-
-
 static GLboolean
 do_blit_readpixels(GLcontext * ctx,
                    GLint x, GLint y, GLsizei width, GLsizei height,
        (ctx, x, y, width, height, format, type, pack, pixels))
       return;
 
-#ifdef I915
-   if (do_texture_readpixels
-       (ctx, x, y, width, height, format, type, pack, pixels))
-      return;
-#else
-   (void)do_blit_readpixels;
-   (void)do_texture_readpixels;
-#endif
-
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s: fallback to swrast\n", __FUNCTION__);