1 files changed, 348 insertions, 0 deletions

diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.c b/src/gallium/winsys/radeon/drm/radeon_r300.c
new file mode 100644
index 0000000000..38fcf889c8
--- /dev/null
+++ b/src/gallium/winsys/radeon/drm/radeon_r300.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 "radeon_r300.h"
+#include "radeon_buffer.h"
+
+#include "radeon_bo_gem.h"
+#include "radeon_cs_gem.h"
+#include "state_tracker/drm_api.h"
+
+static struct r300_winsys_buffer *
+radeon_r300_winsys_buffer_create(struct r300_winsys_screen *rws,
+				 unsigned alignment,
+				 unsigned usage,
+				 unsigned size)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct pb_desc desc;
+    struct pb_manager *provider;
+    struct pb_buffer *buffer;
+
+    memset(&desc, 0, sizeof(desc));
+    desc.alignment = alignment;
+    desc.usage = usage;
+
+    if (usage & PIPE_BUFFER_USAGE_CONSTANT)
+        provider = ws->mman;
+    else if ((usage & PIPE_BUFFER_USAGE_VERTEX) ||
+	     (usage & PIPE_BUFFER_USAGE_INDEX))
+	provider = ws->cman;
+    else
+        provider = ws->kman;
+    buffer = provider->create_buffer(provider, size, &desc);
+    if (!buffer)
+	return NULL;
+
+    return radeon_libdrm_winsys_buffer(buffer);
+}
+
+static void radeon_r300_winsys_buffer_destroy(struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    pb_destroy(_buf);
+}
+static void radeon_r300_winsys_buffer_set_tiling(struct r300_winsys_screen *rws,
+						  struct r300_winsys_buffer *buf,
+						  uint32_t pitch,
+						  enum r300_buffer_tiling microtiled,
+						  enum r300_buffer_tiling macrotiled)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    radeon_drm_bufmgr_set_tiling(_buf, microtiled, macrotiled, pitch);
+}
+
+static void *radeon_r300_winsys_buffer_map(struct r300_winsys_screen *ws,
+					   struct r300_winsys_buffer *buf,
+					   unsigned usage)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    
+    return pb_map(_buf, usage);
+}
+
+static void radeon_r300_winsys_buffer_unmap(struct r300_winsys_screen *ws,
+					    struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    pb_unmap(_buf);
+}
+
+static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
+						struct r300_winsys_buffer **pdst,
+						struct r300_winsys_buffer *src)
+{
+    struct pb_buffer *_src = radeon_pb_buffer(src);
+    struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
+
+    pb_reference(&_dst, _src);
+
+    *pdst = radeon_libdrm_winsys_buffer(_dst);
+}
+
+static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
+						       struct r300_winsys_buffer *buf)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    return radeon_drm_bufmgr_is_buffer_referenced(_buf);
+}
+
+static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
+									struct pipe_screen *screen,
+									struct winsys_handle *whandle,
+									unsigned *stride)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct pb_buffer *_buf;
+
+    _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
+    *stride = whandle->stride;
+    return radeon_libdrm_winsys_buffer(_buf);
+}
+
+static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
+						    struct r300_winsys_buffer *buffer,
+						    unsigned stride,
+						    struct winsys_handle *whandle)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buffer);
+    boolean ret;
+    ret = radeon_drm_bufmgr_get_handle(_buf, whandle);
+    if (ret)
+	whandle->stride = stride;
+    return ret;
+}
+
+static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
+                                void (*flush_cb)(void *),
+                                void *data)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    ws->flush_cb = flush_cb;
+    ws->flush_data = data;
+    radeon_cs_space_set_flush(ws->cs, flush_cb, data);
+}
+
+static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
+                                 struct r300_winsys_buffer *buf,
+                                 uint32_t rd,
+                                 uint32_t wd)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+
+    return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
+}
+
+static boolean radeon_validate(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    if (radeon_cs_space_check(ws->cs) < 0) {
+        return FALSE;
+    }
+
+    /* Things are fine, we can proceed as normal. */
+    return TRUE;
+}
+
+static boolean radeon_check_cs(struct r300_winsys_screen *rws, int size)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    struct radeon_cs *cs = ws->cs;
+
+    return radeon_validate(rws) && cs->cdw + size <= cs->ndw;
+}
+
+static void radeon_begin_cs(struct r300_winsys_screen *rws,
+                            int size,
+                            const char* file,
+                            const char* function,
+                            int line)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_begin(ws->cs, size, file, function, line);
+}
+
+static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
+                                  uint32_t dword)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_write_dword(ws->cs, dword);
+}
+
+static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
+                                  struct r300_winsys_buffer *buf,
+                                  uint32_t rd,
+                                  uint32_t wd,
+                                  uint32_t flags)
+{
+    struct pb_buffer *_buf = radeon_pb_buffer(buf);
+    radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
+}
+
+static void radeon_reset_bos(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_space_reset_bos(ws->cs);
+}
+
+static void radeon_end_cs(struct r300_winsys_screen *rws,
+                          const char* file,
+                          const char* function,
+                          int line)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    radeon_cs_end(ws->cs, file, function, line);
+}
+
+static void radeon_flush_cs(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
+    int retval;
+
+    /* Don't flush a zero-sized CS. */
+    if (!ws->cs->cdw) {
+        return;
+    }
+
+    radeon_drm_bufmgr_flush_maps(ws->kman);
+    /* Emit the CS. */
+    retval = radeon_cs_emit(ws->cs);
+    if (retval) {
+        debug_printf("radeon: Bad CS, dumping...\n");
+        radeon_cs_print(ws->cs, stderr);
+    }
+
+    /* Reset CS.
+     * Someday, when we care about performance, we should really find a way
+     * to rotate between two or three CS objects so that the GPU can be
+     * spinning through one CS while another one is being filled. */
+    radeon_cs_erase(ws->cs);
+}
+
+static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
+			     enum r300_value_id id)
+{
+    struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
+
+    switch(id) {
+    case R300_VID_PCI_ID:
+	return ws->pci_id;
+    case R300_VID_GB_PIPES:
+	return ws->gb_pipes;
+    case R300_VID_Z_PIPES:
+	return ws->z_pipes;
+    case R300_VID_SQUARE_TILING_SUPPORT:
+        return ws->squaretiling;
+    }
+    return 0;
+}
+
+static void
+radeon_winsys_destroy(struct r300_winsys_screen *rws)
+{
+    struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
+    radeon_cs_destroy(ws->cs);
+
+    ws->cman->destroy(ws->cman);
+    ws->kman->destroy(ws->kman);
+    ws->mman->destroy(ws->mman);
+
+    radeon_bo_manager_gem_dtor(ws->bom);
+    radeon_cs_manager_gem_dtor(ws->csm);
+}
+
+boolean
+radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
+{
+    
+    ws->csm = radeon_cs_manager_gem_ctor(fd);
+    if (!ws->csm)
+	goto fail;
+    ws->bom = radeon_bo_manager_gem_ctor(fd);
+    if (!ws->bom)
+	goto fail;
+    ws->kman = radeon_drm_bufmgr_create(ws);
+    if (!ws->kman)
+	goto fail;
+
+    ws->cman = pb_cache_manager_create(ws->kman, 100000);
+    if (!ws->cman)
+	goto fail;
+
+    ws->mman = pb_malloc_bufmgr_create();
+    if (!ws->mman)
+	goto fail;
+
+    /* Size limit on IBs is 64 kibibytes. */
+    ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
+    if (!ws->cs)
+	goto fail;
+    radeon_cs_set_limit(ws->cs,
+            RADEON_GEM_DOMAIN_GTT, ws->gart_size);
+    radeon_cs_set_limit(ws->cs,
+            RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
+
+    ws->base.add_buffer = radeon_add_buffer;
+    ws->base.validate = radeon_validate;
+    ws->base.destroy = radeon_winsys_destroy;
+    ws->base.check_cs = radeon_check_cs;
+    ws->base.begin_cs = radeon_begin_cs;
+    ws->base.write_cs_dword = radeon_write_cs_dword;
+    ws->base.write_cs_reloc = radeon_write_cs_reloc;
+    ws->base.end_cs = radeon_end_cs;
+    ws->base.flush_cs = radeon_flush_cs;
+    ws->base.reset_bos = radeon_reset_bos;
+    ws->base.set_flush_cb = radeon_set_flush_cb;
+    ws->base.get_value = radeon_get_value;
+
+    ws->base.buffer_create = radeon_r300_winsys_buffer_create;
+    ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
+    ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
+    ws->base.buffer_map = radeon_r300_winsys_buffer_map;
+    ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
+    ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
+    ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
+    ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
+    ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
+    return TRUE;
+
+fail:
+    if (ws->csm)
+	radeon_cs_manager_gem_dtor(ws->csm);
+
+    if (ws->bom)
+	radeon_bo_manager_gem_dtor(ws->bom);
+
+    if (ws->cman)
+	ws->cman->destroy(ws->cman);
+    if (ws->kman)
+	ws->kman->destroy(ws->kman);
+    if (ws->mman)
+	ws->mman->destroy(ws->mman);
+
+    if (ws->cs)
+	radeon_cs_destroy(ws->cs);
+    return FALSE;
+}