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authorKeith Whitwell <keith@tungstengraphics.com>2006-11-01 12:03:11 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2006-11-01 12:03:11 +0000
commit6b9e31f3eb3dbe20cbc8493b963bbc6530e392c6 (patch)
treebe747898011b6bf7e45d89f2f35699973445620a /src/mesa/drivers/dri/i915tex/i915_context.c
parent3c6e99ce95bdee526f95ce8aaadd0c8923b83af0 (diff)
Import texmem i915 driver to its new location as i915tex.
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/i915_context.c')
-rw-r--r--src/mesa/drivers/dri/i915tex/i915_context.c174
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;
+}