nvc0: import nvc0 gallium driver

1 files changed, 361 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_surface.c b/src/gallium/drivers/nvc0/nvc0_surface.c
new file mode 100644
index 0000000000..b52b09877c
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_surface.c
@@ -0,0 +1,361 @@
+/*
+ * Copyright 2008 Ben Skeggs
+ *
+ * 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 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 <stdint.h>
+
+#include "pipe/p_defines.h"
+
+#include "util/u_inlines.h"
+#include "util/u_pack_color.h"
+#include "util/u_format.h"
+
+#include "nvc0_context.h"
+#include "nvc0_resource.h"
+
+#include "nv50_defs.xml.h"
+
+/* return TRUE for formats that can be converted among each other by NVC0_2D */
+static INLINE boolean
+nvc0_2d_format_faithful(enum pipe_format format)
+{
+   switch (format) {
+   case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_B8G8R8A8_SRGB:
+   case PIPE_FORMAT_B8G8R8X8_SRGB:
+   case PIPE_FORMAT_B5G6R5_UNORM:
+   case PIPE_FORMAT_B5G5R5A1_UNORM:
+   case PIPE_FORMAT_B10G10R10A2_UNORM:
+   case PIPE_FORMAT_R8_UNORM:
+   case PIPE_FORMAT_R32G32B32A32_FLOAT:
+   case PIPE_FORMAT_R32G32B32_FLOAT:
+      return TRUE;
+   default:
+      return FALSE;
+   }
+}
+
+static INLINE uint8_t
+nvc0_2d_format(enum pipe_format format)
+{
+   uint8_t id = nvc0_format_table[format].rt;
+
+   /* Hardware values for color formats range from 0xc0 to 0xff,
+    * but the 2D engine doesn't support all of them.
+    */
+   if ((id >= 0xc0) && (0xff0843e080608409ULL & (1ULL << (id - 0xc0))))
+      return id;
+
+   switch (util_format_get_blocksize(format)) {
+   case 1:
+      return NV50_SURFACE_FORMAT_R8_UNORM;
+   case 2:
+      return NV50_SURFACE_FORMAT_R16_UNORM;
+   case 4:
+      return NV50_SURFACE_FORMAT_A8R8G8B8_UNORM;
+   default:
+      return 0;
+   }
+}
+
+static int
+nvc0_surface_set(struct nvc0_screen *screen, struct pipe_surface *ps, int dst)
+{
+   struct nvc0_miptree *mt = nvc0_miptree(ps->texture);
+   struct nouveau_channel *chan = screen->base.channel;
+   struct nouveau_bo *bo = nvc0_miptree(ps->texture)->base.bo;
+   int format, mthd = dst ? NVC0_2D_DST_FORMAT : NVC0_2D_SRC_FORMAT;
+   int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
+
+   format = nvc0_2d_format(ps->format);
+   if (!format) {
+      NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
+                  util_format_name(ps->format));
+      return 1;
+   }
+
+   if (!bo->tile_flags) {
+      BEGIN_RING(chan, RING_2D_(mthd), 2);
+      OUT_RING  (chan, format);
+      OUT_RING  (chan, 1);
+      BEGIN_RING(chan, RING_2D_(mthd + 0x14), 5);
+      OUT_RING  (chan, mt->level[ps->level].pitch);
+      OUT_RING  (chan, ps->width);
+      OUT_RING  (chan, ps->height);
+      OUT_RELOCh(chan, bo, ps->offset, flags);
+      OUT_RELOCl(chan, bo, ps->offset, flags);
+   } else {
+      BEGIN_RING(chan, RING_2D_(mthd), 5);
+      OUT_RING  (chan, format);
+      OUT_RING  (chan, 0);
+      OUT_RING  (chan, mt->level[ps->level].tile_mode);
+      OUT_RING  (chan, 1);
+      OUT_RING  (chan, 0);
+      BEGIN_RING(chan, RING_2D_(mthd + 0x18), 4);
+      OUT_RING  (chan, ps->width);
+      OUT_RING  (chan, ps->height);
+      OUT_RELOCh(chan, bo, ps->offset, flags);
+      OUT_RELOCl(chan, bo, ps->offset, flags);
+   }
+ 
+#if 0
+   if (dst) {
+      BEGIN_RING(chan, RING_2D_(NVC0_2D_CLIP_X), 4);
+      OUT_RING  (chan, 0);
+      OUT_RING  (chan, 0);
+      OUT_RING  (chan, surf->width);
+      OUT_RING  (chan, surf->height);
+   }
+#endif
+   return 0;
+}
+
+static int
+nvc0_surface_do_copy(struct nvc0_screen *screen,
+                     struct pipe_surface *dst, int dx, int dy,
+                     struct pipe_surface *src, int sx, int sy,
+                     int w, int h)
+{
+   struct nouveau_channel *chan = screen->base.channel;
+   int ret;
+
+   ret = MARK_RING(chan, 2*16 + 32, 4);
+   if (ret)
+      return ret;
+
+   ret = nvc0_surface_set(screen, dst, 1);
+   if (ret)
+      return ret;
+
+   ret = nvc0_surface_set(screen, src, 0);
+   if (ret)
+      return ret;
+
+   /* 0/1 = CENTER/CORNER, 10/00 = POINT/BILINEAR */
+   BEGIN_RING(chan, RING_2D(BLIT_CONTROL), 1);
+   OUT_RING  (chan, 0);
+   BEGIN_RING(chan, RING_2D(BLIT_DST_X), 4);
+   OUT_RING  (chan, dx);
+   OUT_RING  (chan, dy);
+   OUT_RING  (chan, w);
+   OUT_RING  (chan, h);
+   BEGIN_RING(chan, RING_2D(BLIT_DU_DX_FRACT), 4);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, 1);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_2D(BLIT_SRC_X_FRACT), 4);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, sx);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, sy);
+
+   return 0;
+}
+
+static void
+nvc0_surface_copy(struct pipe_context *pipe,
+		  struct pipe_resource *dest, struct pipe_subresource subdst,
+		  unsigned destx, unsigned desty, unsigned destz,
+		  struct pipe_resource *src, struct pipe_subresource subsrc,
+		  unsigned srcx, unsigned srcy, unsigned srcz,
+		  unsigned width, unsigned height)
+{
+   struct nvc0_context *nv50 = nvc0_context(pipe);
+   struct nvc0_screen *screen = nv50->screen;
+   struct pipe_surface *ps_dst, *ps_src;
+
+   assert((src->format == dest->format) ||
+          (nvc0_2d_format_faithful(src->format) &&
+           nvc0_2d_format_faithful(dest->format)));
+
+   ps_src = nvc0_miptree_surface_new(pipe->screen, src, subsrc.face,
+                                     subsrc.level, srcz, 0 /* bind flags */);
+   ps_dst = nvc0_miptree_surface_new(pipe->screen, dest, subdst.face,
+                                     subdst.level, destz, 0 /* bind flags */);
+
+   nvc0_surface_do_copy(screen, ps_dst, destx, desty, ps_src, srcx,
+                        srcy, width, height);
+
+   nvc0_miptree_surface_del(ps_src);
+   nvc0_miptree_surface_del(ps_dst);
+}
+
+static void
+nvc0_clear_render_target(struct pipe_context *pipe,
+			 struct pipe_surface *dst,
+			 const float *rgba,
+			 unsigned dstx, unsigned dsty,
+			 unsigned width, unsigned height)
+{
+	struct nvc0_context *nv50 = nvc0_context(pipe);
+	struct nvc0_screen *screen = nv50->screen;
+	struct nouveau_channel *chan = screen->base.channel;
+	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
+	struct nouveau_bo *bo = mt->base.bo;
+
+	BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
+	OUT_RINGf (chan, rgba[0]);
+	OUT_RINGf (chan, rgba[1]);
+	OUT_RINGf (chan, rgba[2]);
+	OUT_RINGf (chan, rgba[3]);
+
+	if (MARK_RING(chan, 18, 2))
+		return;
+
+	BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
+	OUT_RING  (chan, 1);
+	BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 8);
+	OUT_RELOCh(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RELOCl(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RING  (chan, dst->width);
+	OUT_RING  (chan, dst->height);
+	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
+	OUT_RING  (chan, mt->level[dst->level].tile_mode);
+	OUT_RING  (chan, 1);
+	OUT_RING  (chan, 0);
+
+	/* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
+
+	BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
+	OUT_RING  (chan, (width << 16) | dstx);
+	OUT_RING  (chan, (height << 16) | dsty);
+
+	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
+	OUT_RING  (chan, 0x3c);
+
+	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
+}
+
+static void
+nvc0_clear_depth_stencil(struct pipe_context *pipe,
+                         struct pipe_surface *dst,
+                         unsigned clear_flags,
+                         double depth,
+                         unsigned stencil,
+                         unsigned dstx, unsigned dsty,
+                         unsigned width, unsigned height)
+{
+	struct nvc0_context *nv50 = nvc0_context(pipe);
+	struct nvc0_screen *screen = nv50->screen;
+	struct nouveau_channel *chan = screen->base.channel;
+	struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
+	struct nouveau_bo *bo = mt->base.bo;
+	uint32_t mode = 0;
+
+	if (clear_flags & PIPE_CLEAR_DEPTH) {
+		BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
+		OUT_RINGf (chan, depth);
+		mode |= NVC0_3D_CLEAR_BUFFERS_Z;
+	}
+
+	if (clear_flags & PIPE_CLEAR_STENCIL) {
+		BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
+		OUT_RING  (chan, stencil & 0xff);
+		mode |= NVC0_3D_CLEAR_BUFFERS_S;
+	}
+
+	if (MARK_RING(chan, 17, 2))
+		return;
+
+	BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
+	OUT_RELOCh(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RELOCl(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RING  (chan, nvc0_format_table[dst->format].rt);
+	OUT_RING  (chan, mt->level[dst->level].tile_mode);
+	OUT_RING  (chan, 0);
+	BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
+	OUT_RING  (chan, 1);
+	BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
+	OUT_RING  (chan, dst->width);
+	OUT_RING  (chan, dst->height);
+	OUT_RING  (chan, (1 << 16) | 1);
+
+	BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
+	OUT_RING  (chan, (width << 16) | dstx);
+	OUT_RING  (chan, (height << 16) | dsty);
+
+	BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
+	OUT_RING  (chan, mode);
+
+	nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
+}
+
+void
+nvc0_clear(struct pipe_context *pipe, unsigned buffers,
+           const float *rgba, double depth, unsigned stencil)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
+   unsigned i;
+   const unsigned dirty = nvc0->dirty;
+   uint32_t mode = 0;
+
+   /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
+   nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
+   if (!nvc0_state_validate(nvc0))
+      return;
+
+   if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
+      BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
+      OUT_RINGf (chan, rgba[0]);
+      OUT_RINGf (chan, rgba[1]);
+      OUT_RINGf (chan, rgba[2]);
+      OUT_RINGf (chan, rgba[3]);
+      mode =
+         NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
+         NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
+   }
+
+   if (buffers & PIPE_CLEAR_DEPTH) {
+      BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
+      OUT_RING  (chan, fui(depth));
+      mode |= NVC0_3D_CLEAR_BUFFERS_Z;
+   }
+
+   if (buffers & PIPE_CLEAR_STENCIL) {
+      BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
+      OUT_RING  (chan, stencil & 0xff);
+      mode |= NVC0_3D_CLEAR_BUFFERS_S;
+   }
+
+   BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
+   OUT_RING  (chan, mode);
+
+   for (i = 1; i < fb->nr_cbufs; i++) {
+      BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
+      OUT_RING  (chan, (i << 6) | 0x3c);
+   }
+
+   nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
+}
+
+void
+nvc0_init_surface_functions(struct nvc0_context *nvc0)
+{
+	nvc0->pipe.resource_copy_region = nvc0_surface_copy;
+	nvc0->pipe.clear_render_target = nvc0_clear_render_target;
+	nvc0->pipe.clear_depth_stencil = nvc0_clear_depth_stencil;
+}
+
+