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authorJakob Bornecrantz <jakob@vmware.com>2010-06-18 19:07:04 +0200
committerJakob Bornecrantz <jakob@vmware.com>2010-06-23 03:20:40 +0200
commitbd739e95763d8051679649cc44d16d4fcbb0fec1 (patch)
treed1d4d36973e467298abcfefd7a6810c5931d0892
parent0ee7a17d0ca14ddbf4ef48da764627851eca048c (diff)
target-helpers: Add inline helpers
-rw-r--r--src/gallium/auxiliary/target-helpers/inline_sw_helper.h63
-rw-r--r--src/gallium/auxiliary/target-helpers/inline_wrapper_sw_helper.h34
2 files changed, 97 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/target-helpers/inline_sw_helper.h b/src/gallium/auxiliary/target-helpers/inline_sw_helper.h
new file mode 100644
index 0000000000..036c1ee48a
--- /dev/null
+++ b/src/gallium/auxiliary/target-helpers/inline_sw_helper.h
@@ -0,0 +1,63 @@
+
+#ifndef INLINE_SW_HELPER_H
+#define INLINE_SW_HELPER_H
+
+#include "pipe/p_compiler.h"
+#include "util/u_debug.h"
+#include "state_tracker/sw_winsys.h"
+
+
+/* Helper function to choose and instantiate one of the software rasterizers:
+ * cell, llvmpipe, softpipe.
+ */
+
+#ifdef GALLIUM_SOFTPIPE
+#include "softpipe/sp_public.h"
+#endif
+
+#ifdef GALLIUM_LLVMPIPE
+#include "llvmpipe/lp_public.h"
+#endif
+
+#ifdef GALLIUM_CELL
+#include "cell/ppu/cell_public.h"
+#endif
+
+static INLINE struct pipe_screen *
+sw_screen_create(struct sw_winsys *winsys)
+{
+ const char *default_driver;
+ const char *driver;
+ struct pipe_screen *screen = NULL;
+
+#if defined(GALLIUM_CELL)
+ default_driver = "cell";
+#elif defined(GALLIUM_LLVMPIPE)
+ default_driver = "llvmpipe";
+#elif defined(GALLIUM_SOFTPIPE)
+ default_driver = "softpipe";
+#else
+ default_driver = "";
+#endif
+
+ driver = debug_get_option("GALLIUM_DRIVER", default_driver);
+
+#if defined(GALLIUM_CELL)
+ if (screen == NULL && strcmp(driver, "cell") == 0)
+ screen = cell_create_screen(winsys);
+#endif
+
+#if defined(GALLIUM_LLVMPIPE)
+ if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
+ screen = llvmpipe_create_screen(winsys);
+#endif
+
+#if defined(GALLIUM_SOFTPIPE)
+ if (screen == NULL)
+ screen = softpipe_create_screen(winsys);
+#endif
+
+ return screen;
+}
+
+#endif
diff --git a/src/gallium/auxiliary/target-helpers/inline_wrapper_sw_helper.h b/src/gallium/auxiliary/target-helpers/inline_wrapper_sw_helper.h
new file mode 100644
index 0000000000..0b4e740403
--- /dev/null
+++ b/src/gallium/auxiliary/target-helpers/inline_wrapper_sw_helper.h
@@ -0,0 +1,34 @@
+
+#ifndef INLINE_WRAPPER_SW_HELPER_H
+#define INLINE_WRAPPER_SW_HELPER_H
+
+#include "target-helpers/inline_sw_helper.h"
+#include "sw/wrapper/wrapper_sw_winsys.h"
+
+/**
+ * Try to wrap a hw screen with a software screen.
+ * On failure will return given screen.
+ */
+static INLINE struct pipe_screen *
+sw_screen_wrap(struct pipe_screen *screen)
+{
+ struct sw_winsys *sws;
+ struct pipe_screen *sw_screen;
+
+ sws = wrapper_sw_winsys_warp_pipe_screen(screen);
+ if (!sws)
+ goto err;
+
+ sw_screen = sw_screen_create(sws);
+ if (sw_screen == screen)
+ goto err_winsys;
+
+ return sw_screen;
+
+err_winsys:
+ sws->destroy(sws);
+err:
+ return screen;
+}
+
+#endif