Import texmem i915 driver to its new location as i915tex.

1 files changed, 174 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i915tex/i915_context.c b/src/mesa/drivers/dri/i915tex/i915_context.c
new file mode 100644
index 0000000000..924de169c7
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/i915_context.c
@@ -0,0 +1,174 @@
+/**************************************************************************
+ * 
+ * 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 "i915_context.h"
+#include "imports.h"
+#include "intel_tex.h"
+#include "intel_tris.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+#include "tnl/t_vertex.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "array_cache/acache.h"
+
+#include "utils.h"
+#include "i915_reg.h"
+
+#include "intel_regions.h"
+#include "intel_batchbuffer.h"
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+static const struct dri_extension i915_extensions[] = {
+   {"GL_ARB_depth_texture", NULL},
+   {"GL_ARB_fragment_program", NULL},
+   {"GL_ARB_shadow", NULL},
+   {"GL_ARB_texture_env_crossbar", NULL},
+   {"GL_ARB_texture_non_power_of_two", NULL},
+   {"GL_EXT_shadow_funcs", NULL},
+   /* ARB extn won't work if not enabled */
+   {"GL_SGIX_depth_texture", NULL},
+   {NULL, NULL}
+};
+
+/* Override intel default.
+ */
+static void
+i915InvalidateState(GLcontext * ctx, GLuint new_state)
+{
+   _swrast_InvalidateState(ctx, new_state);
+   _swsetup_InvalidateState(ctx, new_state);
+   _ac_InvalidateState(ctx, new_state);
+   _tnl_InvalidateState(ctx, new_state);
+   _tnl_invalidate_vertex_state(ctx, new_state);
+   intel_context(ctx)->NewGLState |= new_state;
+
+   /* Todo: gather state values under which tracked parameters become
+    * invalidated, add callbacks for things like
+    * ProgramLocalParameters, etc.
+    */
+   {
+      struct i915_fragment_program *p =
+         (struct i915_fragment_program *) ctx->FragmentProgram._Current;
+      if (p && p->nr_params)
+         p->params_uptodate = 0;
+   }
+
+   if (new_state & (_NEW_FOG | _NEW_HINT | _NEW_PROGRAM))
+      i915_update_fog(ctx);
+}
+
+
+static void
+i915InitDriverFunctions(struct dd_function_table *functions)
+{
+   intelInitDriverFunctions(functions);
+   i915InitStateFunctions(functions);
+   i915InitTextureFuncs(functions);
+   i915InitFragProgFuncs(functions);
+   functions->UpdateState = i915InvalidateState;
+}
+
+
+
+GLboolean
+i915CreateContext(const __GLcontextModes * mesaVis,
+                  __DRIcontextPrivate * driContextPriv,
+                  void *sharedContextPrivate)
+{
+   struct dd_function_table functions;
+   struct i915_context *i915 =
+      (struct i915_context *) CALLOC_STRUCT(i915_context);
+   struct intel_context *intel = &i915->intel;
+   GLcontext *ctx = &intel->ctx;
+
+   if (!i915)
+      return GL_FALSE;
+
+   _mesa_printf("\ntexmem-0-3 branch\n\n");
+
+   i915InitVtbl(i915);
+   i915InitMetaFuncs(i915);
+
+   i915InitDriverFunctions(&functions);
+
+   if (!intelInitContext(intel, mesaVis, driContextPriv,
+                         sharedContextPrivate, &functions)) {
+      FREE(i915);
+      return GL_FALSE;
+   }
+
+   ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
+   ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
+   ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
+
+
+   /* Advertise the full hardware capabilities.  The new memory
+    * manager should cope much better with overload situations:
+    */
+   ctx->Const.MaxTextureLevels = 12;
+   ctx->Const.Max3DTextureLevels = 9;
+   ctx->Const.MaxCubeTextureLevels = 12;
+   ctx->Const.MaxTextureRectSize = (1 << 11);
+   ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
+
+   /* GL_ARB_fragment_program limits - don't think Mesa actually
+    * validates programs against these, and in any case one ARB
+    * instruction can translate to more than one HW instruction, so
+    * we'll still have to check and fallback each time.
+    */
+   ctx->Const.FragmentProgram.MaxNativeTemps = I915_MAX_TEMPORARY;
+   ctx->Const.FragmentProgram.MaxNativeAttribs = 11;    /* 8 tex, 2 color, fog */
+   ctx->Const.FragmentProgram.MaxNativeParameters = I915_MAX_CONSTANT;
+   ctx->Const.FragmentProgram.MaxNativeAluInstructions = I915_MAX_ALU_INSN;
+   ctx->Const.FragmentProgram.MaxNativeTexInstructions = I915_MAX_TEX_INSN;
+   ctx->Const.FragmentProgram.MaxNativeInstructions = (I915_MAX_ALU_INSN +
+                                                       I915_MAX_TEX_INSN);
+   ctx->Const.FragmentProgram.MaxNativeTexIndirections =
+      I915_MAX_TEX_INDIRECT;
+   ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* I don't think we have one */
+
+   ctx->_MaintainTexEnvProgram = 1;
+   ctx->_UseTexEnvProgram = 1;
+
+   driInitExtensions(ctx, i915_extensions, GL_FALSE);
+
+
+   _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12,
+                      36 * sizeof(GLfloat));
+
+   intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
+
+   i915InitState(i915);
+
+   return GL_TRUE;
+}