intel: Merge intel_context.c from i915 and i965.

2 files changed, 14 insertions, 831 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 3c463c3b9a6..6b2e16e4e87 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -38,6 +38,8 @@
 #include "intel_tex.h"
 #include "intel_blit.h"
 #include "intel_batchbuffer.h"
+#include "intel_pixel.h"
+#include "tnl/t_pipeline.h"
 
 #include "utils.h"
 #include "api_noop.h"
@@ -91,6 +93,15 @@ static void brwInitProgFuncs( struct dd_function_table *functions )
 static void brwInitDriverFunctions( struct dd_function_table *functions )
 {
    intelInitDriverFunctions( functions );
+
+   /* CopyPixels can be accelerated even with the current memory
+    * manager:
+    */
+   if (!getenv("INTEL_NO_BLIT")) {
+      functions->CopyPixels = intelCopyPixels;
+      functions->Bitmap = intelBitmap;
+   }
+
    brwInitFragProgFuncs( functions );
    brwInitProgFuncs( functions );
 }
@@ -143,6 +154,8 @@ GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
       return GL_FALSE;
    }
 
+   TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
+
    ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT;
    ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
    ctx->Const.MaxTextureCoordUnits = BRW_MAX_TEX_UNIT;
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c
index 93899dfef14..27a1cbb255e 100644..120000
--- a/src/mesa/drivers/dri/i965/intel_context.c
+++ b/src/mesa/drivers/dri/i965/intel_context.c
@@ -1,831 +1 @@
-/**************************************************************************
- * 
- * 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 "glheader.h"
-#include "context.h"
-#include "matrix.h"
-#include "simple_list.h"
-#include "extensions.h"
-#include "framebuffer.h"
-#include "imports.h"
-#include "points.h"
-
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "vbo/vbo.h"
-
-#include "tnl/t_pipeline.h"
-#include "tnl/t_vertex.h"
-
-#include "drivers/common/driverfuncs.h"
-
-#include "intel_screen.h"
-#include "intel_chipset.h"
-
-#include "i830_dri.h"
-
-#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-#include "intel_blit.h"
-#include "intel_regions.h"
-#include "intel_buffers.h"
-#include "intel_buffer_objects.h"
-#include "intel_decode.h"
-#include "intel_fbo.h"
-#include "intel_bufmgr_ttm.h"
-#include "intel_pixel.h"
-
-#include "drirenderbuffer.h"
-#include "i915_drm.h"
-
-#include "utils.h"
-#include "vblank.h"
-#ifndef INTEL_DEBUG
-int INTEL_DEBUG = (0);
-#endif
-
-#define need_GL_NV_point_sprite
-#define need_GL_ARB_multisample
-#define need_GL_ARB_point_parameters
-#define need_GL_ARB_texture_compression
-#define need_GL_ARB_vertex_buffer_object
-#define need_GL_ARB_vertex_program
-#define need_GL_ARB_window_pos
-#define need_GL_ARB_occlusion_query
-#define need_GL_EXT_blend_color
-#define need_GL_EXT_blend_equation_separate
-#define need_GL_EXT_blend_func_separate
-#define need_GL_EXT_blend_minmax
-#define need_GL_EXT_cull_vertex
-#define need_GL_EXT_fog_coord
-#define need_GL_EXT_framebuffer_object
-#define need_GL_EXT_multi_draw_arrays
-#define need_GL_EXT_secondary_color
-#define need_GL_ATI_separate_stencil
-#define need_GL_EXT_point_parameters
-#define need_GL_VERSION_2_0
-#define need_GL_VERSION_2_1
-#define need_GL_ARB_shader_objects
-#define need_GL_ARB_vertex_shader
-
-#include "extension_helper.h"
-
-#ifndef VERBOSE
-int VERBOSE = 0;
-#endif
-
-/***************************************
- * Mesa's Driver Functions
- ***************************************/
-
-#define DRIVER_VERSION                     "4.1.3002"
-
-static const GLubyte *intelGetString( GLcontext *ctx, GLenum name )
-{
-   const char * chipset;
-   static char buffer[128];
-
-   switch (name) {
-   case GL_VENDOR:
-      return (GLubyte *)"Tungsten Graphics, Inc";
-      break;
-      
-   case GL_RENDERER:
-      switch (intel_context(ctx)->intelScreen->deviceID) {
-      case PCI_CHIP_I965_Q:
-	 chipset = "Intel(R) 965Q";
-         break;
-      case PCI_CHIP_I965_G:
-      case PCI_CHIP_I965_G_1:
-	 chipset = "Intel(R) 965G";
-         break;
-      case PCI_CHIP_I946_GZ:
-	 chipset = "Intel(R) 946GZ";
-         break;
-      case PCI_CHIP_I965_GM:
-	 chipset = "Intel(R) 965GM";
-         break;
-      case PCI_CHIP_I965_GME:
-	 chipset = "Intel(R) 965GME/GLE";
-         break;
-      case PCI_CHIP_IGD_GM:
-	 chipset = "Intel(R) Integrated Graphics Device";
-         break;
-      default:
-	 chipset = "Unknown Intel Chipset";
-      }
-
-      (void) driGetRendererString( buffer, chipset, DRIVER_VERSION, 0 );
-      return (GLubyte *) buffer;
-
-   default:
-      return NULL;
-   }
-}
-
-
-/**
- * Extension strings exported by the intel driver.
- *
- * \note
- * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
- * old i830-specific driver.
- */
-const struct dri_extension card_extensions[] =
-{
-    { "GL_ARB_multisample",                GL_ARB_multisample_functions },
-    { "GL_ARB_multitexture",               NULL },
-    { "GL_ARB_point_parameters",           GL_ARB_point_parameters_functions },
-    { "GL_NV_point_sprite",                GL_NV_point_sprite_functions },
-    { "GL_ARB_texture_border_clamp",       NULL },
-    { "GL_ARB_texture_compression",        GL_ARB_texture_compression_functions },
-    { "GL_ARB_texture_cube_map",           NULL },
-    { "GL_ARB_texture_env_add",            NULL },
-    { "GL_ARB_texture_env_combine",        NULL },
-    { "GL_ARB_texture_env_dot3",           NULL },
-    { "GL_ARB_texture_mirrored_repeat",    NULL },
-    { "GL_ARB_texture_non_power_of_two",   NULL },
-    { "GL_ARB_texture_rectangle",          NULL },
-    { "GL_NV_texture_rectangle",           NULL },
-    { "GL_EXT_texture_rectangle",          NULL },
-    { "GL_ARB_texture_rectangle",          NULL },
-    { "GL_ARB_point_sprite",               NULL},
-    { "GL_ARB_point_parameters",	   NULL }, 
-    { "GL_ARB_vertex_buffer_object",       GL_ARB_vertex_buffer_object_functions },
-    { "GL_ARB_vertex_program",             GL_ARB_vertex_program_functions },
-    { "GL_ARB_window_pos",                 GL_ARB_window_pos_functions },
-    { "GL_EXT_blend_color",                GL_EXT_blend_color_functions },
-    { "GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions },
-    { "GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions },
-    { "GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions },
-    { "GL_EXT_blend_logic_op",             NULL },
-    { "GL_EXT_blend_subtract",             NULL },
-    { "GL_EXT_cull_vertex",                GL_EXT_cull_vertex_functions },
-    { "GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
-    { "GL_EXT_multi_draw_arrays",          GL_EXT_multi_draw_arrays_functions },
-    { "GL_EXT_secondary_color",            GL_EXT_secondary_color_functions },
-    { "GL_ATI_separate_stencil",           GL_ATI_separate_stencil_functions },
-    { "GL_EXT_stencil_wrap",               NULL },
-    /* Do not enable this extension.  It conflicts with GL_ATI_separate_stencil
-     * and 2.0's separate stencil, because mesa's computed _TestTwoSide will
-     * only reflect whether it's enabled through this extension, even if the
-     * application is using the other interfaces.
-     */
-/*{ "GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions },*/
-    { "GL_EXT_texture_edge_clamp",         NULL },
-    { "GL_EXT_texture_env_combine",        NULL },
-    { "GL_EXT_texture_env_dot3",           NULL },
-    { "GL_EXT_texture_filter_anisotropic", NULL },
-    { "GL_EXT_texture_lod_bias",           NULL },
-    { "GL_EXT_texture_sRGB",               NULL },
-    { "GL_3DFX_texture_compression_FXT1",  NULL },
-    { "GL_APPLE_client_storage",           NULL },
-    { "GL_MESA_pack_invert",               NULL },
-    { "GL_MESA_ycbcr_texture",             NULL },
-    { "GL_NV_blend_square",                NULL },
-    { "GL_SGIS_generate_mipmap",           NULL },
-    { "GL_ARB_shading_language_100",       GL_VERSION_2_0_functions},
-    { "GL_ARB_shading_language_120",       GL_VERSION_2_1_functions},
-    { "GL_ARB_shader_objects",             GL_ARB_shader_objects_functions},
-    { "GL_ARB_vertex_shader",              GL_ARB_vertex_shader_functions},
-    { "GL_ARB_fragment_shader",            NULL },
-    { "GL_ARB_draw_buffers",               NULL },
-    { NULL,                                NULL }
-};
-
-const struct dri_extension ttm_extensions[] = {
-   {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
-   {"GL_ARB_pixel_buffer_object", NULL},
-   {NULL, NULL}
-};
-
-const struct dri_extension arb_oc_extensions[] = {
-   {"GL_ARB_occlusion_query",            GL_ARB_occlusion_query_functions},
-   {NULL, NULL}
-};
-
-/**
- * Initializes potential list of extensions if ctx == NULL, or actually enables
- * extensions for a context.
- */
-static void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging)
-{
-   struct intel_context *intel = ctx?intel_context(ctx):NULL;
-
-   /* Disable imaging extension until convolution is working in teximage paths.
-    */
-   enable_imaging = GL_FALSE;
-
-   driInitExtensions(ctx, card_extensions, enable_imaging);
-
-   if (intel == NULL || intel->ttm)
-      driInitExtensions(ctx, ttm_extensions, GL_FALSE);
-
-   if (intel == NULL || intel->intelScreen->drmMinor >= 8)
-      driInitExtensions(ctx, arb_oc_extensions, GL_FALSE);
-}
-
-static const struct dri_debug_control debug_control[] =
-{
-    { "fall",  DEBUG_FALLBACKS },
-    { "tex",   DEBUG_TEXTURE },
-    { "ioctl", DEBUG_IOCTL },
-    { "prim",  DEBUG_PRIMS },
-    { "vert",  DEBUG_VERTS },
-    { "state", DEBUG_STATE },
-    { "verb",  DEBUG_VERBOSE },
-    { "dri",   DEBUG_DRI },
-    { "dma",   DEBUG_DMA },
-    { "san",   DEBUG_SANITY },
-    { "sync",  DEBUG_SYNC },
-    { "sleep", DEBUG_SLEEP },
-    { "pix",   DEBUG_PIXEL },
-    { "buf",   DEBUG_BUFMGR },
-    { "stats", DEBUG_STATS },
-    { "tile",  DEBUG_TILE },
-    { "sing",  DEBUG_SINGLE_THREAD },
-    { "thre",  DEBUG_SINGLE_THREAD },
-    { "wm",    DEBUG_WM },
-    { "vs",    DEBUG_VS },
-    { "bat",   DEBUG_BATCH },
-    { "blit",  DEBUG_BLIT},
-    { "mip",   DEBUG_MIPTREE},
-    { "reg",   DEBUG_REGION},
-    { "fbo",   DEBUG_FBO },
-    { NULL,    0 }
-};
-
-
-static void intelInvalidateState( GLcontext *ctx, GLuint new_state )
-{
-   struct intel_context *intel = intel_context(ctx);
-
-   _swrast_InvalidateState( ctx, new_state );
-   _swsetup_InvalidateState( ctx, new_state );
-   _vbo_InvalidateState( ctx, new_state );
-   _tnl_InvalidateState( ctx, new_state );
-   _tnl_invalidate_vertex_state( ctx, new_state );
-   
-   intel->NewGLState |= new_state;
-
-   if (intel->vtbl.invalidate_state)
-      intel->vtbl.invalidate_state( intel, new_state );
-}
-
-
-void intelFlush( GLcontext *ctx )
-{
-   struct intel_context *intel = intel_context( ctx );
-
-   if (intel->batch->map != intel->batch->ptr)
-      intel_batchbuffer_flush(intel->batch);
-}
-
-void intelFinish( GLcontext *ctx ) 
-{
-   struct intel_context *intel = intel_context( ctx );
-
-   intelFlush(ctx);
-   if (intel->batch->last_fence) {
-      dri_fence_wait(intel->batch->last_fence);
-      dri_fence_unreference(intel->batch->last_fence);
-      intel->batch->last_fence = NULL;
-   }
-}
-
-static void
-intelBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
-{
-	struct intel_context *intel = intel_context( ctx );
-	struct drm_i915_mmio io = {
-		.read_write = I915_MMIO_READ,
-		.reg = MMIO_REGS_PS_DEPTH_COUNT,
-		.data = &q->Result 
-	};
-	intel->stats_wm++;
-	intelFinish(&intel->ctx);
-	drmCommandWrite(intel->driFd, DRM_I915_MMIO, &io, sizeof(io));
-}
-
-static void
-intelEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
-{
-	struct intel_context *intel = intel_context( ctx );
-	GLuint64EXT tmp;	
-	struct drm_i915_mmio io = {
-		.read_write = I915_MMIO_READ,
-		.reg = MMIO_REGS_PS_DEPTH_COUNT,
-		.data = &tmp
-	};
-	intelFinish(&intel->ctx);
-	drmCommandWrite(intel->driFd, DRM_I915_MMIO, &io, sizeof(io));
-	q->Result = tmp - q->Result;
-	q->Ready = GL_TRUE;
-	intel->stats_wm--;
-}
-
-/** Driver-specific fence emit implementation for the fake memory manager. */
-static unsigned int
-intel_fence_emit(void *private)
-{
-   struct intel_context *intel = (struct intel_context *)private;
-   unsigned int fence;
-
-   /* XXX: Need to emit a flush, if we haven't already (at least with the
-    * current batchbuffer implementation, we have).
-    */
-
-   fence = intelEmitIrqLocked(intel);
-
-   return fence;
-}
-
-/** Driver-specific fence wait implementation for the fake memory manager. */
-static int
-intel_fence_wait(void *private, unsigned int cookie)
-{
-   struct intel_context *intel = (struct intel_context *)private;
-
-   intelWaitIrq(intel, cookie);
-
-   return 0;
-}
-
-static GLboolean
-intel_init_bufmgr(struct intel_context *intel)
-{
-   intelScreenPrivate *intelScreen = intel->intelScreen;
-   GLboolean ttm_disable = getenv("INTEL_NO_TTM") != NULL;
-
-   /* If we've got a new enough DDX that's initializing TTM and giving us
-    * object handles for the shared buffers, use that.
-    */
-   intel->ttm = GL_FALSE;
-   if (!ttm_disable &&
-       intel->intelScreen->driScrnPriv->ddx_version.minor >= 9 &&
-       intel->intelScreen->drmMinor >= 11 &&
-       intel->intelScreen->front.bo_handle != -1)
-   {
-      intel->bufmgr = intel_bufmgr_ttm_init(intel->driFd,
-					    DRM_FENCE_TYPE_EXE,
-					    DRM_FENCE_TYPE_EXE |
-					    DRM_I915_FENCE_TYPE_RW,
-					    BATCH_SZ);
-      if (intel->bufmgr != NULL)
-	 intel->ttm = GL_TRUE;
-   }
-   /* Otherwise, use the classic buffer manager. */
-   if (intel->bufmgr == NULL) {
-      if (ttm_disable) {
-	 fprintf(stderr, "TTM buffer manager disabled.  Using classic.\n");
-      } else {
-	 fprintf(stderr, "Failed to initialize TTM buffer manager.  "
-		 "Falling back to classic.\n");
-      }
-
-      if (intelScreen->tex.size == 0) {
-	 fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
-		 __func__, __LINE__);
-	 return GL_FALSE;
-      }
-
-      intel->bufmgr = dri_bufmgr_fake_init(intelScreen->tex.offset,
-					   intelScreen->tex.map,
-					   intelScreen->tex.size,
-					   intel_fence_emit,
-					   intel_fence_wait,
-					   intel);
-   }
-
-   return GL_TRUE;
-}
-
-
-void intelInitDriverFunctions( struct dd_function_table *functions )
-{
-   _mesa_init_driver_functions( functions );
-
-   functions->Flush = intelFlush;
-   functions->Finish = intelFinish;
-   functions->GetString = intelGetString;
-   functions->UpdateState = intelInvalidateState;
-   functions->BeginQuery = intelBeginQuery;
-   functions->EndQuery = intelEndQuery;
-
-   /* CopyPixels can be accelerated even with the current memory
-    * manager:
-    */
-   if (!getenv("INTEL_NO_BLIT")) {
-      functions->CopyPixels = intelCopyPixels;
-      functions->Bitmap = intelBitmap;
-   }
-
-   intelInitTextureFuncs( functions );
-   intelInitStateFuncs( functions );
-   intelInitBufferFuncs( functions );
-}
-
-GLboolean intelInitContext( struct intel_context *intel,
-			    const __GLcontextModes *mesaVis,
-			    __DRIcontextPrivate *driContextPriv,
-			    void *sharedContextPrivate,
-			    struct dd_function_table *functions )
-{
-   GLcontext *ctx = &intel->ctx;
-   GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
-   __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
-   intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
-   volatile struct drm_i915_sarea *saPriv = (struct drm_i915_sarea *)
-     (((GLubyte *)sPriv->pSAREA)+intelScreen->sarea_priv_offset);
-
-   if (!_mesa_initialize_context(&intel->ctx,
-				 mesaVis, shareCtx, 
-				 functions,
-				 (void*) intel)) {
-      _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-   driContextPriv->driverPrivate = intel;
-   intel->intelScreen = intelScreen;
-   intel->driScreen = sPriv;
-   intel->sarea = saPriv;
-
-   /* Dri stuff */
-   intel->hHWContext = driContextPriv->hHWContext;
-   intel->driFd = sPriv->fd;
-   intel->driHwLock = (drmLock *) &sPriv->pSAREA->lock;
-
-   intel->maxBatchSize = BATCH_SZ;
-
-   if (!intel_init_bufmgr(intel))
-      return GL_FALSE;
-
-   driParseConfigFiles (&intel->optionCache, &intelScreen->optionCache,
-		   intel->driScreen->myNum, "i965");
-
-   ctx->Const.MaxTextureMaxAnisotropy = 2.0;
-
-   if (getenv("INTEL_STRICT_CONFORMANCE")) {
-      intel->strict_conformance = 1;
-   }
-
-   if (intel->strict_conformance) {
-      ctx->Const.MinLineWidth = 1.0;
-      ctx->Const.MinLineWidthAA = 1.0;
-      ctx->Const.MaxLineWidth = 1.0;
-      ctx->Const.MaxLineWidthAA = 1.0;
-      ctx->Const.LineWidthGranularity = 1.0;
-   }
-   else {
-      ctx->Const.MinLineWidth = 1.0;
-      ctx->Const.MinLineWidthAA = 1.0;
-      ctx->Const.MaxLineWidth = 5.0;
-      ctx->Const.MaxLineWidthAA = 5.0;
-      ctx->Const.LineWidthGranularity = 0.5;
-   }
-
-   ctx->Const.MinPointSize = 1.0;
-   ctx->Const.MinPointSizeAA = 1.0;
-   ctx->Const.MaxPointSize = 255.0;
-   ctx->Const.MaxPointSizeAA = 3.0;
-   ctx->Const.PointSizeGranularity = 1.0;
-
-   /* reinitialize the context point state.
-    * It depend on constants in __GLcontextRec::Const
-    */
-   _mesa_init_point(ctx);
-
-   /* Initialize the software rasterizer and helper modules. */
-   _swrast_CreateContext( ctx );
-   _vbo_CreateContext( ctx );
-   _tnl_CreateContext( ctx );
-   _swsetup_CreateContext( ctx );
-
-   TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
-
-   /* Configure swrast to match hardware characteristics: */
-   _swrast_allow_pixel_fog( ctx, GL_FALSE );
-   _swrast_allow_vertex_fog( ctx, GL_TRUE );
-
-   intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
-   intel->hw_stipple = 1;
-
-   switch(mesaVis->depthBits) {
-   case 0:			/* what to do in this case? */
-   case 16:
-      intel->polygon_offset_scale = 1.0/0xffff;
-      break;
-   case 24:
-      intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */
-      break;
-   default:
-      assert(0); 
-      break;
-   }
-
-   /* Initialize swrast, tnl driver tables: */
-   intelInitSpanFuncs( ctx );
-
-   if (!intel->intelScreen->irq_active) {
-      _mesa_printf("IRQs not active.  Exiting\n");
-      exit(1);
-   }
-   intelInitExtensions(ctx, GL_TRUE); 
-
-   INTEL_DEBUG  = driParseDebugString( getenv( "INTEL_DEBUG" ),
-				       debug_control );
-   if (INTEL_DEBUG & DEBUG_BUFMGR)
-      dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
-
-   intel_recreate_static_regions(intel);
-
-   intel_bufferobj_init( intel );
-   intel_fbo_init( intel );
-
-   intel->batch = intel_batchbuffer_alloc( intel );
-   intel->last_swap_fence = NULL;
-   intel->first_swap_fence = NULL;
-
-   if (intel->ctx.Mesa_DXTn) {
-      _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
-      _mesa_enable_extension( ctx, "GL_S3_s3tc" );
-   }
-   else if (driQueryOptionb (&intel->optionCache, "force_s3tc_enable")) {
-      _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
-   }
-
-/*    driInitTextureObjects( ctx, & intel->swapped, */
-/* 			  DRI_TEXMGR_DO_TEXTURE_1D | */
-/* 			  DRI_TEXMGR_DO_TEXTURE_2D |  */
-/* 			  DRI_TEXMGR_DO_TEXTURE_RECT ); */
-
-   /* Force all software fallbacks */
-   if (driQueryOptionb(&intel->optionCache, "no_rast")) {
-      fprintf(stderr, "disabling 3D rasterization\n");
-      intel->no_rast = 1;
-   }
-
-   /* Disable all hardware rendering (skip emitting batches and fences/waits
-    * to the kernel)
-    */
-   intel->no_hw = getenv("INTEL_NO_HW") != NULL;
-
-   return GL_TRUE;
-}
-
-void intelDestroyContext(__DRIcontextPrivate *driContextPriv)
-{
-   struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate;
-
-   assert(intel); /* should never be null */
-   if (intel) {
-      GLboolean   release_texture_heaps;
-
-
-      intel->vtbl.destroy( intel );
-
-      release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
-      _swsetup_DestroyContext (&intel->ctx);
-      _tnl_DestroyContext (&intel->ctx);
-      _vbo_DestroyContext (&intel->ctx);
-
-      _swrast_DestroyContext (&intel->ctx);
-      intel->Fallback = 0;	/* don't call _swrast_Flush later */
-      intel_batchbuffer_free(intel->batch);
-      intel->batch = NULL;
-
-      if (intel->last_swap_fence) {
-	 dri_fence_wait(intel->last_swap_fence);
-	 dri_fence_unreference(intel->last_swap_fence);
-	 intel->last_swap_fence = NULL;
-      }
-      if (intel->first_swap_fence) {
-	 dri_fence_wait(intel->first_swap_fence);
-	 dri_fence_unreference(intel->first_swap_fence);
-	 intel->first_swap_fence = NULL;
-      }
-
-      if ( release_texture_heaps ) {
-         /* This share group is about to go away, free our private
-          * texture object data.
-          */
-
-	 /* XXX: destroy the shared bufmgr struct here?
-	  */
-      }
-
-      /* free the Mesa context */
-      intel->ctx.VertexProgram.Current = NULL;
-      intel->ctx.FragmentProgram.Current = NULL;
-      _mesa_destroy_context(&intel->ctx);
-   }
-
-   driContextPriv->driverPrivate = NULL;
-}
-
-GLboolean intelUnbindContext(__DRIcontextPrivate *driContextPriv)
-{
-   return GL_TRUE;
-}
-
-GLboolean intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
-			  __DRIdrawablePrivate *driDrawPriv,
-			  __DRIdrawablePrivate *driReadPriv)
-{
-
-   if (driContextPriv) {
-      struct intel_context *intel =
-	 (struct intel_context *) driContextPriv->driverPrivate;
-      struct intel_framebuffer *intel_fb =
-	 (struct intel_framebuffer *) driDrawPriv->driverPrivate;
-      GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
-
-      /* XXX FBO temporary fix-ups! */
-      /* if the renderbuffers don't have regions, init them from the context.
-       * They will be unreferenced when the renderbuffer is destroyed.
-       */
-      {
-         struct intel_renderbuffer *irbDepth
-             = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
-         struct intel_renderbuffer *irbStencil
-             = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
-
-         if (intel_fb->color_rb[0]) {
-             intel_renderbuffer_set_region(intel_fb->color_rb[0],
-                                           intel->front_region);
-         }
-         if (intel_fb->color_rb[1]) {
-             intel_renderbuffer_set_region(intel_fb->color_rb[1],
-                                           intel->back_region);
-         }
-
-#if 0
-         if (intel_fb->color_rb[2]) {
-             intel_renderbuffer_set_region(intel_fb->color_rb[2],
-                                           intel->third_region);
-         }
-#endif
-         if (irbDepth) {
-             intel_renderbuffer_set_region(irbDepth, intel->depth_region);
-         }
-         if (irbStencil) {
-             intel_renderbuffer_set_region(irbStencil, intel->depth_region);
-         }
-      }
-
-      /* set GLframebuffer size to match window, if needed */
-      driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
-
-      if (intel->driReadDrawable != driReadPriv) {
-          intel->driReadDrawable = driReadPriv;
-      }
-
-      if ( intel->driDrawable != driDrawPriv ) {
-	 if (driDrawPriv->swap_interval == (unsigned)-1) {
-	    driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
-	       ? driGetDefaultVBlankFlags(&intel->optionCache)
-	       : VBLANK_FLAG_NO_IRQ;
-	    driDrawableInitVBlank( driDrawPriv );
-	 }
-
-	 intel->driDrawable = driDrawPriv;
-	 intelWindowMoved( intel );
-	 /* Shouldn't the readbuffer be stored also? */
-      }
-
-      _mesa_make_current(&intel->ctx,
-			 &intel_fb->Base,
-			 readFb);
-
-      intel_draw_buffer(&intel->ctx, &intel_fb->Base);
-   } else {
-      _mesa_make_current(NULL, NULL, NULL);
-   }
-
-   return GL_TRUE;
-}
-
-
-static void intelContendedLock( struct intel_context *intel, GLuint flags )
-{
-   __DRIdrawablePrivate *dPriv = intel->driDrawable;
-   __DRIscreenPrivate *sPriv = intel->driScreen;
-   volatile struct drm_i915_sarea * sarea = intel->sarea;
-   int me = intel->hHWContext;
-
-   drmGetLock(intel->driFd, intel->hHWContext, flags);
-
-   /* If the window moved, may need to set a new cliprect now.
-    *
-    * NOTE: This releases and regains the hw lock, so all state
-    * checking must be done *after* this call:
-    */
-   if (dPriv)
-      DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
-
-
-   intel->locked = 1;
-
-   /* Lost context?
-    */
-   if (sarea->ctxOwner != me) {
-      if (INTEL_DEBUG & DEBUG_BUFMGR) {
-	 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n",
-		 sarea->ctxOwner, me);
-      }
-      sarea->ctxOwner = me;
-   }
-
-   /* If the last consumer of the texture memory wasn't us, notify the fake
-    * bufmgr and record the new owner.  We should have the memory shared
-    * between contexts of a single fake bufmgr, but this will at least make
-    * things correct for now.
-    */
-   if (!intel->ttm && sarea->texAge != intel->hHWContext) {
-      sarea->texAge = intel->hHWContext;
-      dri_bufmgr_fake_contended_lock_take(intel->bufmgr);
-      if (INTEL_DEBUG & DEBUG_BATCH)
-	 intel_decode_context_reset();
-      if (INTEL_DEBUG & DEBUG_BUFMGR) {
-	 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n",
-		 sarea->ctxOwner, intel->hHWContext);
-      }
-   }
-
-   /* Drawable changed?
-    */
-   if (dPriv && intel->lastStamp != dPriv->lastStamp) {
-      intelWindowMoved( intel );
-      intel->lastStamp = dPriv->lastStamp;
-   }
-}
-
-_glthread_DECLARE_STATIC_MUTEX(lockMutex);
-
-/* Lock the hardware and validate our state.  
- */
-void LOCK_HARDWARE( struct intel_context *intel )
-{
-    char __ret=0;
-
-    _glthread_LOCK_MUTEX(lockMutex);
-    assert(!intel->locked);
-
-
-    DRM_CAS(intel->driHwLock, intel->hHWContext,
-	    (DRM_LOCK_HELD|intel->hHWContext), __ret);
-    if (__ret)
-        intelContendedLock( intel, 0 );
-
-   intel->locked = 1;
-
-}
- 
-  
-/* Unlock the hardware using the global current context 
- */
-void UNLOCK_HARDWARE( struct intel_context *intel )
-{
-   intel->vtbl.note_unlock( intel );
-   intel->locked = 0;
-
-   DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
-   _glthread_UNLOCK_MUTEX(lockMutex); 
-
-   /**
-    * Nothing should be left in batch outside of LOCK/UNLOCK which references
-    * cliprects.
-    */
-   assert(intel->batch->cliprect_mode != REFERENCES_CLIPRECTS);
-}
-
-
+../intel/intel_context.c
\ No newline at end of file