gallium: Add "pipe-loader" target.

This target generates pipe driver modules intended to be consumed by
auxiliary/pipe-loader.  Most of it was taken from the "gbm" target --
the duplicated code will be replaced with references to this target in
a future commit.

Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

src/gallium/targets/pipe-loader/Makefile

@@ -0,0 +1,165 @@
+# Makefile for building pipe driver shared libraries.
+#
+# Input variables: PIPE_INSTALL_DIR, PIPE_PREFIX (optional)
+#
+TOP = ../../../..
+include $(TOP)/configs/current
+
+PIPE_PREFIX ?= pipe_
+
+PIPE_CPPFLAGS = \
+	-DGALLIUM_RBUG \
+	-DGALLIUM_TRACE \
+	-DGALLIUM_GALAHAD \
+	-I$(TOP)/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/winsys
+
+PIPE_LIBS = \
+	$(TOP)/src/gallium/drivers/identity/libidentity.a \
+	$(TOP)/src/gallium/drivers/galahad/libgalahad.a \
+	$(TOP)/src/gallium/drivers/trace/libtrace.a \
+	$(TOP)/src/gallium/drivers/rbug/librbug.a \
+	$(GALLIUM_AUXILIARIES)
+
+PIPE_SYS = $(LIBDRM_LIB) -lm -lpthread $(DLOPEN_LIBS)
+
+PIPE_CFLAGS = $(LIBDRM_CFLAGS)
+
+PIPE_LDFLAGS = -Wl,--no-undefined
+
+# i915 pipe driver
+i915_LIBS = \
+	$(TOP)/src/gallium/winsys/i915/drm/libi915drm.a \
+	$(TOP)/src/gallium/drivers/i915/libi915.a
+i915_SYS = -ldrm_intel
+
+# nouveau pipe driver
+nouveau_LIBS = \
+	$(TOP)/src/gallium/winsys/nouveau/drm/libnouveaudrm.a \
+	$(TOP)/src/gallium/drivers/nv30/libnv30.a \
+	$(TOP)/src/gallium/drivers/nv50/libnv50.a \
+	$(TOP)/src/gallium/drivers/nvc0/libnvc0.a \
+	$(TOP)/src/gallium/drivers/nouveau/libnouveau.a
+nouveau_SYS = -ldrm_nouveau
+
+# r300 pipe driver
+r300_LIBS = \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
+	$(TOP)/src/gallium/drivers/r300/libr300.a
+r300_SYS += -ldrm_radeon
+
+# r600 pipe driver
+r600_LIBS = \
+	$(TOP)/src/gallium/winsys/radeon/drm/libradeonwinsys.a \
+	$(TOP)/src/gallium/drivers/r600/libr600.a
+r600_SYS += -ldrm_radeon
+
+# vmwgfx pipe driver
+vmwgfx_LIBS = \
+	$(TOP)/src/gallium/winsys/svga/drm/libsvgadrm.a \
+	$(TOP)/src/gallium/drivers/svga/libsvga.a
+
+ifneq ($(findstring llvmpipe,$(GALLIUM_DRIVERS_DIRS)),)
+   swrast_LIBS = $(TOP)/src/gallium/drivers/llvmpipe/libllvmpipe.a
+   PIPE_CFLAGS += -DGALLIUM_LLVMPIPE
+else ifneq ($(findstring softpipe,$(GALLIUM_DRIVERS_DIRS)),)
+   swrast_LIBS = $(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a
+   PIPE_CFLAGS += -DGALLIUM_SOFTPIPE
+endif
+
+# LLVM
+ifeq ($(MESA_LLVM),1)
+   PIPE_SYS += $(LLVM_LIBS)
+   PIPE_LDFLAGS += $(LLVM_LDFLAGS)
+endif
+
+# determine the targets/sources
+_PIPE_TARGETS_CC =
+_PIPE_TARGETS_CXX =
+PIPE_SOURCES =
+
+ifneq ($(findstring i915/drm,$(GALLIUM_WINSYS_DIRS)),)
+   _PIPE_TARGETS_CC += $(PIPE_PREFIX)i915.so
+   PIPE_SOURCES += pipe_i915.c
+endif
+
+ifneq ($(findstring nouveau/drm,$(GALLIUM_WINSYS_DIRS)),)
+   _PIPE_TARGETS_CXX += $(PIPE_PREFIX)nouveau.so
+   PIPE_SOURCES += pipe_nouveau.c
+endif
+
+ifneq ($(findstring radeon/drm,$(GALLIUM_WINSYS_DIRS)),)
+ifneq ($(findstring r300,$(GALLIUM_DRIVERS_DIRS)),)
+   _PIPE_TARGETS_CC += $(PIPE_PREFIX)r300.so
+   PIPE_SOURCES += pipe_r300.c
+endif
+endif
+
+ifneq ($(findstring radeon/drm,$(GALLIUM_WINSYS_DIRS)),)
+ifneq ($(findstring r600,$(GALLIUM_DRIVERS_DIRS)),)
+   _PIPE_TARGETS_CC += $(PIPE_PREFIX)r600.so
+   PIPE_SOURCES += pipe_r600.c
+endif
+endif
+
+ifneq ($(findstring svga/drm,$(GALLIUM_WINSYS_DIRS)),)
+   _PIPE_TARGETS_CC += $(PIPE_PREFIX)vmwgfx.so
+   PIPE_SOURCES += pipe_vmwgfx.c
+endif
+
+ifneq ($(filter llvmpipe softpipe,$(GALLIUM_DRIVERS_DIRS)),)
+   _PIPE_TARGETS_CC += $(PIPE_PREFIX)swrast.so
+   PIPE_SOURCES += pipe_swrast.c
+endif
+
+PIPE_OBJECTS := $(PIPE_SOURCES:.c=.o)
+
+ifeq ($(MESA_LLVM),1)
+   PIPE_TARGETS_CXX = $(_PIPE_TARGETS_CXX) $(_PIPE_TARGETS_CC)
+   PIPE_TARGETS_CC =
+else
+   PIPE_TARGETS_CXX = $(_PIPE_TARGETS_CXX)
+   PIPE_TARGETS_CC = $(_PIPE_TARGETS_CC)
+endif
+
+PIPE_TARGETS = $(PIPE_TARGETS_CC) $(PIPE_TARGETS_CXX)
+
+default: depend $(PIPE_TARGETS)
+
+.SECONDEXPANSION:
+
+$(PIPE_TARGETS_CC): $(PIPE_PREFIX)%.so: pipe_%.o $(PIPE_LIBS) $$(%_LIBS)
+	$(MKLIB) -o $@ -noprefix -linker '$(CC)' \
+		-ldflags '-L$(TOP)/$(LIB_DIR) $(PIPE_LDFLAGS) $(LDFLAGS)' \
+		$(MKLIB_OPTIONS) $< \
+		-Wl,--start-group $(PIPE_LIBS) $($*_LIBS) -Wl,--end-group \
+		$(PIPE_SYS) $($*_SYS)
+
+$(PIPE_TARGETS_CXX): $(PIPE_PREFIX)%.so: pipe_%.o $(PIPE_LIBS) $$(%_LIBS)
+	$(MKLIB) -o $@ -noprefix -linker '$(CXX)' \
+		-ldflags '-L$(TOP)/$(LIB_DIR) $(PIPE_LDFLAGS) $(LDFLAGS)' \
+		$(MKLIB_OPTIONS) $< \
+		-Wl,--start-group $(PIPE_LIBS) $($*_LIBS) -Wl,--end-group \
+		$(PIPE_SYS) $($*_SYS)
+
+$(PIPE_OBJECTS): %.o: %.c
+	$(CC) -c -o $@ $< $(PIPE_CPPFLAGS) $(PIPE_CFLAGS) $(CFLAGS)
+
+install: $(PIPE_TARGETS)
+	$(INSTALL) -d $(PIPE_INSTALL_DIR)
+	for tgt in $(PIPE_TARGETS); do \
+		$(MINSTALL) "$$tgt" $(PIPE_INSTALL_DIR); \
+	done
+
+clean:
+	rm -f $(PIPE_TARGETS) $(PIPE_OBJECTS) depend depend.bak
+
+depend: $(PIPE_SOURCES)
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(PIPE_CPPFLAGS) $(PIPE_SOURCES) 2>/dev/null
+
+sinclude depend

src/gallium/targets/pipe-loader/pipe_i915.c

@@ -0,0 +1,27 @@
+
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "i915/drm/i915_drm_public.h"
+#include "i915/i915_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct i915_winsys *iws;
+   struct pipe_screen *screen;
+
+   iws = i915_drm_winsys_create(fd);
+   if (!iws)
+      return NULL;
+
+   screen = i915_screen_create(iws);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("i915", "i915", create_screen, NULL)

src/gallium/targets/pipe-loader/pipe_nouveau.c

@@ -0,0 +1,21 @@
+
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "nouveau/drm/nouveau_drm_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct pipe_screen *screen;
+
+   screen = nouveau_drm_screen_create(fd);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("nouveau", "nouveau", create_screen, NULL)

src/gallium/targets/pipe-loader/pipe_r300.c

@@ -0,0 +1,27 @@
+
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "radeon/drm/radeon_drm_public.h"
+#include "r300/r300_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct radeon_winsys *sws;
+   struct pipe_screen *screen;
+
+   sws = radeon_drm_winsys_create(fd);
+   if (!sws)
+      return NULL;
+
+   screen = r300_screen_create(sws);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("r300", "radeon", create_screen, NULL)

src/gallium/targets/pipe-loader/pipe_r600.c

@@ -0,0 +1,26 @@
+#include "state_tracker/drm_driver.h"
+#include "target-helpers/inline_debug_helper.h"
+#include "radeon/drm/radeon_drm_public.h"
+#include "r600/r600_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct radeon_winsys *rw;
+   struct pipe_screen *screen;
+
+   rw = radeon_drm_winsys_create(fd);
+   if (!rw)
+      return NULL;
+
+   screen = r600_screen_create(rw);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("r600", "radeon", create_screen, NULL)

src/gallium/targets/pipe-loader/pipe_swrast.c

@@ -0,0 +1,22 @@
+
+#include "target-helpers/inline_sw_helper.h"
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+
+PUBLIC struct pipe_screen *
+swrast_create_screen(struct sw_winsys *ws);
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("swrast", NULL, NULL, NULL)
+
+struct pipe_screen *
+swrast_create_screen(struct sw_winsys *ws)
+{
+   struct pipe_screen *screen;
+
+   screen = sw_screen_create(ws);
+   if (screen)
+      screen = debug_screen_wrap(screen);
+
+   return screen;
+}

src/gallium/targets/pipe-loader/pipe_vmwgfx.c

@@ -0,0 +1,27 @@
+
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "svga/drm/svga_drm_public.h"
+#include "svga/svga_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct svga_winsys_screen *sws;
+   struct pipe_screen *screen;
+
+   sws = svga_drm_winsys_screen_create(fd);
+   if (!sws)
+      return NULL;
+
+   screen = svga_screen_create(sws);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("vmwgfx", "vmwgfx", create_screen, NULL)