iris: Add mechanism for iris-specific driconf options

Based on Nicolai's 0f8c5de869.

Reviewed-by: Dylan Baker <dylan@pnwbakers.com>

src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c

@@ -74,7 +74,7 @@ static const struct drm_driver_descriptor driver_descriptors[] = {
     {
         .driver_name = "iris",
         .create_screen = pipe_iris_create_screen,
-        .configuration = pipe_default_configuration_query,
+        .configuration = pipe_iris_configuration_query,
     },
     {
         .driver_name = "nouveau",

src/gallium/auxiliary/target-helpers/drm_helper.h

@@ -68,10 +68,28 @@ pipe_iris_create_screen(int fd, const struct pipe_screen_config *config)
 {
    struct pipe_screen *screen;
 
-   screen = iris_drm_screen_create(fd);
+   screen = iris_drm_screen_create(fd, config);
    return screen ? debug_screen_wrap(screen) : NULL;
 }
 
+const struct drm_conf_ret *
+pipe_iris_configuration_query(enum drm_conf conf)
+{
+   static const struct drm_conf_ret xml_options_ret = {
+      .type = DRM_CONF_POINTER,
+      .val.val_pointer =
+#include "iris/iris_driinfo.h"
+   };
+
+   switch (conf) {
+   case DRM_CONF_XML_OPTIONS:
+      return &xml_options_ret;
+   default:
+      break;
+   }
+   return pipe_default_configuration_query(conf);
+}
+
 #else
 
 struct pipe_screen *
@@ -81,6 +99,12 @@ pipe_iris_create_screen(int fd, const struct pipe_screen_config *config)
    return NULL;
 }
 
+const struct drm_conf_ret *
+pipe_iris_configuration_query(enum drm_conf conf)
+{
+   return NULL;
+}
+
 #endif
 
 #ifdef GALLIUM_NOUVEAU

src/gallium/auxiliary/target-helpers/drm_helper_public.h

@@ -12,6 +12,8 @@ pipe_i915_create_screen(int fd, const struct pipe_screen_config *config);
 
 struct pipe_screen *
 pipe_iris_create_screen(int fd, const struct pipe_screen_config *config);
+const struct drm_conf_ret *
+pipe_iris_configuration_query(enum drm_conf conf);
 
 struct pipe_screen *
 pipe_nouveau_create_screen(int fd, const struct pipe_screen_config *config);

src/gallium/drivers/iris/Android.mk

@@ -125,6 +125,24 @@ include $(BUILD_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := libmesa_pipe_iris
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+
+intermediates := $(call local-generated-sources-dir)
+
+LOCAL_GENERATED_SOURCES := $(addprefix $(intermediates)/iris/,$(GENERATED_SOURCES))
+
+GEN_DRIINFO_INPUTS := \
+        $(MESA_TOP)/src/gallium/auxiliary/pipe-loader/driinfo_gallium.h \
+        $(LOCAL_PATH)/driinfo_iris.h
+
+MERGE_DRIINFO := $(MESA_TOP)/src/util/merge_driinfo.py
+
+$(intermediates)/iris/si_driinfo.h: $(MERGE_DRIINFO) $(GEN_DRIINFO_INPUTS)
+	@mkdir -p $(dir $@)
+	@echo "Gen Header: $(PRIVATE_MODULE) <= $(notdir $(@))"
+	$(hide) $(MESA_PYTHON2) $(MERGE_DRIINFO) $(GEN_DRIINFO_INPUTS) > $@ || ($(RM) $@; false)
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(intermediates)
 
 LOCAL_SRC_FILES := \
 	$(IRIS_C_SOURCES)

src/gallium/drivers/iris/Makefile.sources

@@ -20,7 +20,12 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 
+GENERATED_SOURCES := \
+	iris_driinfo.h
+
 IRIS_C_SOURCES = \
+	$(GENERATED_SOURCES) \
+	driinfo_iris.h \
 	iris_batch.c \
 	iris_batch.h \
 	iris_binder.c \

src/gallium/drivers/iris/driinfo_iris.h

@@ -0,0 +1 @@
+// iris specific driconf options

src/gallium/drivers/iris/iris_screen.c

@@ -552,7 +552,7 @@ iris_shader_perf_log(void *data, const char *fmt, ...)
 }
 
 struct pipe_screen *
-iris_screen_create(int fd)
+iris_screen_create(int fd, const struct pipe_screen_config *config)
 {
    struct iris_screen *screen = rzalloc(NULL, struct iris_screen);
    if (!screen)

src/gallium/drivers/iris/iris_screen.h

@@ -74,7 +74,8 @@ struct iris_screen {
    struct iris_bo *workaround_bo;
 };
 
-struct pipe_screen *iris_screen_create(int fd);
+struct pipe_screen *
+iris_screen_create(int fd, const struct pipe_screen_config *config);
 
 boolean
 iris_is_format_supported(struct pipe_screen *pscreen,

src/gallium/drivers/iris/meson.build

@@ -19,6 +19,7 @@
 # SOFTWARE.
 
 files_libiris = files(
+  'driinfo_iris.h',
   'iris_batch.c',
   'iris_batch.h',
   'iris_binder.c',
@@ -46,6 +47,17 @@ files_libiris = files(
   'iris_screen.h',
 )
 
+iris_driinfo_h = custom_target(
+  'iris_driinfo.h',
+  input : files(
+    '../../../util/merge_driinfo.py',
+    '../../auxiliary/pipe-loader/driinfo_gallium.h', 'driinfo_iris.h'
+  ),
+  output : 'iris_driinfo.h',
+  command : [prog_python, '@INPUT@'],
+  capture : true,
+)
+
 iris_gen_libs = []
 foreach v : ['80', '90', '100', '110']
   iris_gen_libs += static_library(
@@ -62,7 +74,8 @@ endforeach
 
 libiris = static_library(
   'iris',
-  [files_libiris, gen_xml_pack, nir_opcodes_h, nir_builder_opcodes_h],
+  [files_libiris, gen_xml_pack, nir_opcodes_h, nir_builder_opcodes_h,
+   iris_driinfo_h],
   include_directories : [
     inc_src, inc_include, inc_gallium, inc_gallium_aux, inc_intel, inc_nir,
     inc_gallium_drivers,
@@ -80,5 +93,6 @@ libiris = static_library(
 
 driver_iris = declare_dependency(
   compile_args : '-DGALLIUM_IRIS',
+  sources : iris_driinfo_h,
   link_with : [libiris, libiriswinsys],
 )

src/gallium/winsys/iris/drm/iris_drm_public.h

@@ -25,7 +25,9 @@
 #define IRIS_DRM_PUBLIC_H
 
 struct pipe_screen;
+struct pipe_screen_config;
 
-struct pipe_screen *iris_drm_screen_create(int drm_fd);
+struct pipe_screen *
+iris_drm_screen_create(int drm_fd, const struct pipe_screen_config *config);
 
 #endif /* IRIS_DRM_PUBLIC_H */

src/gallium/winsys/iris/drm/iris_drm_winsys.c

@@ -28,7 +28,7 @@
 #include "iris/iris_screen.h"
 
 struct pipe_screen *
-iris_drm_screen_create(int fd)
+iris_drm_screen_create(int fd, const struct pipe_screen_config *config)
 {
-   return iris_screen_create(fcntl(fd, F_DUPFD_CLOEXEC, 3));
+   return iris_screen_create(fcntl(fd, F_DUPFD_CLOEXEC, 3), config);
 }