intel: add minimal implementation of dynamic states

The hardware states are simply zeroed.
diff --git a/icd/intel/state.c b/icd/intel/state.c
new file mode 100644
index 0000000..5924388
--- /dev/null
+++ b/icd/intel/state.c
@@ -0,0 +1,246 @@
+/*
+ * XGL
+ *
+ * Copyright (C) 2014 LunarG, Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "dev.h"
+#include "state.h"
+
+static void viewport_state_destroy(struct intel_obj *obj)
+{
+    struct intel_viewport_state *state = intel_viewport_state_from_obj(obj);
+
+    intel_viewport_state_destroy(state);
+}
+
+XGL_RESULT intel_viewport_state_create(struct intel_dev *dev,
+                                       const XGL_VIEWPORT_STATE_CREATE_INFO *info,
+                                       struct intel_viewport_state **state_ret)
+{
+    struct intel_viewport_state *state;
+
+    state = (struct intel_viewport_state *) intel_base_create(dev,
+            sizeof(*state), dev->base.dbg, XGL_DBG_OBJECT_VIEWPORT_STATE,
+            info, 0);
+    if (!state)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    state->obj.destroy = viewport_state_destroy;
+
+    //emit_viewport_state(dev->gpu, info, state->cmd);
+
+    *state_ret = state;
+
+    return XGL_SUCCESS;
+}
+
+void intel_viewport_state_destroy(struct intel_viewport_state *state)
+{
+    intel_base_destroy(&state->obj.base);
+}
+
+static void raster_state_destroy(struct intel_obj *obj)
+{
+    struct intel_raster_state *state = intel_raster_state_from_obj(obj);
+
+    intel_raster_state_destroy(state);
+}
+
+XGL_RESULT intel_raster_state_create(struct intel_dev *dev,
+                                     const XGL_RASTER_STATE_CREATE_INFO *info,
+                                     struct intel_raster_state **state_ret)
+{
+    struct intel_raster_state *state;
+
+    state = (struct intel_raster_state *) intel_base_create(dev,
+            sizeof(*state), dev->base.dbg, XGL_DBG_OBJECT_RASTER_STATE,
+            info, 0);
+    if (!state)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    state->obj.destroy = raster_state_destroy;
+
+    //emit_raster_state(dev->gpu, info, state->cmd);
+
+    *state_ret = state;
+
+    return XGL_SUCCESS;
+}
+
+void intel_raster_state_destroy(struct intel_raster_state *state)
+{
+    intel_base_destroy(&state->obj.base);
+}
+
+static void msaa_state_destroy(struct intel_obj *obj)
+{
+    struct intel_msaa_state *state = intel_msaa_state_from_obj(obj);
+
+    intel_msaa_state_destroy(state);
+}
+
+XGL_RESULT intel_msaa_state_create(struct intel_dev *dev,
+                                   const XGL_MSAA_STATE_CREATE_INFO *info,
+                                   struct intel_msaa_state **state_ret)
+{
+    struct intel_msaa_state *state;
+
+    state = (struct intel_msaa_state *) intel_base_create(dev,
+            sizeof(*state), dev->base.dbg, XGL_DBG_OBJECT_MSAA_STATE,
+            info, 0);
+    if (!state)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    state->obj.destroy = msaa_state_destroy;
+
+    //emit_msaa_state(dev->gpu, info, state->cmd);
+
+    *state_ret = state;
+
+    return XGL_SUCCESS;
+}
+
+void intel_msaa_state_destroy(struct intel_msaa_state *state)
+{
+    intel_base_destroy(&state->obj.base);
+}
+
+static void blend_state_destroy(struct intel_obj *obj)
+{
+    struct intel_blend_state *state = intel_blend_state_from_obj(obj);
+
+    intel_blend_state_destroy(state);
+}
+
+XGL_RESULT intel_blend_state_create(struct intel_dev *dev,
+                                    const XGL_COLOR_BLEND_STATE_CREATE_INFO *info,
+                                    struct intel_blend_state **state_ret)
+{
+    struct intel_blend_state *state;
+
+    state = (struct intel_blend_state *) intel_base_create(dev,
+            sizeof(*state), dev->base.dbg, XGL_DBG_OBJECT_MSAA_STATE,
+            info, 0);
+    if (!state)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    state->obj.destroy = blend_state_destroy;
+
+    //emit_blend_state(dev->gpu, info, state->cmd);
+
+    *state_ret = state;
+
+    return XGL_SUCCESS;
+}
+
+void intel_blend_state_destroy(struct intel_blend_state *state)
+{
+    intel_base_destroy(&state->obj.base);
+}
+
+static void ds_state_destroy(struct intel_obj *obj)
+{
+    struct intel_ds_state *state = intel_ds_state_from_obj(obj);
+
+    intel_ds_state_destroy(state);
+}
+
+XGL_RESULT intel_ds_state_create(struct intel_dev *dev,
+                                 const XGL_DEPTH_STENCIL_STATE_CREATE_INFO *info,
+                                 struct intel_ds_state **state_ret)
+{
+    struct intel_ds_state *state;
+
+    state = (struct intel_ds_state *) intel_base_create(dev,
+            sizeof(*state), dev->base.dbg, XGL_DBG_OBJECT_MSAA_STATE,
+            info, 0);
+    if (!state)
+        return XGL_ERROR_OUT_OF_MEMORY;
+
+    state->obj.destroy = ds_state_destroy;
+
+    //emit_ds_state(dev->gpu, info, state->cmd);
+
+    *state_ret = state;
+
+    return XGL_SUCCESS;
+}
+
+void intel_ds_state_destroy(struct intel_ds_state *state)
+{
+    intel_base_destroy(&state->obj.base);
+}
+
+XGL_RESULT XGLAPI intelCreateViewportState(
+    XGL_DEVICE                                  device,
+    const XGL_VIEWPORT_STATE_CREATE_INFO*       pCreateInfo,
+    XGL_VIEWPORT_STATE_OBJECT*                  pState)
+{
+    struct intel_dev *dev = intel_dev(device);
+
+    return intel_viewport_state_create(dev, pCreateInfo,
+            (struct intel_viewport_state **) pState);
+}
+
+XGL_RESULT XGLAPI intelCreateRasterState(
+    XGL_DEVICE                                  device,
+    const XGL_RASTER_STATE_CREATE_INFO*         pCreateInfo,
+    XGL_RASTER_STATE_OBJECT*                    pState)
+{
+    struct intel_dev *dev = intel_dev(device);
+
+    return intel_raster_state_create(dev, pCreateInfo,
+            (struct intel_raster_state **) pState);
+}
+
+XGL_RESULT XGLAPI intelCreateMsaaState(
+    XGL_DEVICE                                  device,
+    const XGL_MSAA_STATE_CREATE_INFO*           pCreateInfo,
+    XGL_MSAA_STATE_OBJECT*                      pState)
+{
+    struct intel_dev *dev = intel_dev(device);
+
+    return intel_msaa_state_create(dev, pCreateInfo,
+            (struct intel_msaa_state **) pState);
+}
+
+XGL_RESULT XGLAPI intelCreateColorBlendState(
+    XGL_DEVICE                                  device,
+    const XGL_COLOR_BLEND_STATE_CREATE_INFO*    pCreateInfo,
+    XGL_COLOR_BLEND_STATE_OBJECT*               pState)
+{
+    struct intel_dev *dev = intel_dev(device);
+
+    return intel_blend_state_create(dev, pCreateInfo,
+            (struct intel_blend_state **) pState);
+}
+
+XGL_RESULT XGLAPI intelCreateDepthStencilState(
+    XGL_DEVICE                                  device,
+    const XGL_DEPTH_STENCIL_STATE_CREATE_INFO*  pCreateInfo,
+    XGL_DEPTH_STENCIL_STATE_OBJECT*             pState)
+{
+    struct intel_dev *dev = intel_dev(device);
+
+    return intel_ds_state_create(dev, pCreateInfo,
+            (struct intel_ds_state **) pState);
+}