1 files changed, 104 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_screen.c b/src/gallium/drivers/freedreno/a5xx/fd5_screen.c
new file mode 100644
index 00000000000..96f83ed3340
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_screen.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 Rob Clark <[email protected]>
+ *
+ * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+#include "pipe/p_screen.h"
+#include "util/u_format.h"
+
+#include "fd5_screen.h"
+#include "fd5_context.h"
+#include "fd5_format.h"
+#include "ir3_compiler.h"
+
+static boolean
+fd5_screen_is_format_supported(struct pipe_screen *pscreen,
+		enum pipe_format format,
+		enum pipe_texture_target target,
+		unsigned sample_count,
+		unsigned usage)
+{
+	unsigned retval = 0;
+
+	if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
+			(sample_count > 1) || /* TODO add MSAA */
+			!util_format_is_supported(format, usage)) {
+		DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
+				util_format_name(format), target, sample_count, usage);
+		return FALSE;
+	}
+
+	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
+			(fd5_pipe2vtx(format) != (enum a5xx_vtx_fmt)~0)) {
+		retval |= PIPE_BIND_VERTEX_BUFFER;
+	}
+
+	if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
+			(target == PIPE_BUFFER ||
+			 util_format_get_blocksize(format) != 12) &&
+			(fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
+		retval |= PIPE_BIND_SAMPLER_VIEW;
+	}
+
+	if ((usage & (PIPE_BIND_RENDER_TARGET |
+				PIPE_BIND_DISPLAY_TARGET |
+				PIPE_BIND_SCANOUT |
+				PIPE_BIND_SHARED)) &&
+			(fd5_pipe2color(format) != (enum a5xx_color_fmt)~0) &&
+			(fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
+		retval |= usage & (PIPE_BIND_RENDER_TARGET |
+				PIPE_BIND_DISPLAY_TARGET |
+				PIPE_BIND_SCANOUT |
+				PIPE_BIND_SHARED);
+	}
+
+	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
+			(fd5_pipe2depth(format) != (enum a5xx_depth_format)~0) &&
+			(fd5_pipe2tex(format) != (enum a5xx_tex_fmt)~0)) {
+		retval |= PIPE_BIND_DEPTH_STENCIL;
+	}
+
+	if ((usage & PIPE_BIND_INDEX_BUFFER) &&
+			(fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
+		retval |= PIPE_BIND_INDEX_BUFFER;
+	}
+
+	if (retval != usage) {
+		DBG("not supported: format=%s, target=%d, sample_count=%d, "
+				"usage=%x, retval=%x", util_format_name(format),
+				target, sample_count, usage, retval);
+	}
+
+	return retval == usage;
+}
+
+void
+fd5_screen_init(struct pipe_screen *pscreen)
+{
+	struct fd_screen *screen = fd_screen(pscreen);
+	screen->max_rts = A5XX_MAX_RENDER_TARGETS;
+	screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
+	pscreen->context_create = fd5_context_create;
+	pscreen->is_format_supported = fd5_screen_is_format_supported;
+}