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Diffstat (limited to 'src/gallium/drivers/svga/svga_draw_private.h')
-rw-r--r--src/gallium/drivers/svga/svga_draw_private.h158
1 files changed, 158 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_draw_private.h b/src/gallium/drivers/svga/svga_draw_private.h
new file mode 100644
index 00000000000..9aa40e16642
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_draw_private.h
@@ -0,0 +1,158 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc. All rights reserved.
+ *
+ * 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 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.
+ *
+ **********************************************************/
+
+#ifndef SVGA_DRAW_H_
+#define SVGA_DRAW_H_
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h"
+#include "indices/u_indices.h"
+#include "svga_hw_reg.h"
+#include "svga3d_shaderdefs.h"
+
+struct svga_context;
+struct u_upload_mgr;
+
+/* Should include polygon?
+ */
+static const unsigned svga_hw_prims =
+ ((1 << PIPE_PRIM_POINTS) |
+ (1 << PIPE_PRIM_LINES) |
+ (1 << PIPE_PRIM_LINE_STRIP) |
+ (1 << PIPE_PRIM_TRIANGLES) |
+ (1 << PIPE_PRIM_TRIANGLE_STRIP) |
+ (1 << PIPE_PRIM_TRIANGLE_FAN));
+
+
+static INLINE unsigned svga_translate_prim(unsigned mode,
+ unsigned count,
+ unsigned *out_count)
+{
+ switch (mode) {
+ case PIPE_PRIM_POINTS:
+ *out_count = count;
+ return SVGA3D_PRIMITIVE_POINTLIST;
+
+ case PIPE_PRIM_LINES:
+ *out_count = count / 2;
+ return SVGA3D_PRIMITIVE_LINELIST;
+
+ case PIPE_PRIM_LINE_STRIP:
+ *out_count = count - 1;
+ return SVGA3D_PRIMITIVE_LINESTRIP;
+
+ case PIPE_PRIM_TRIANGLES:
+ *out_count = count / 3;
+ return SVGA3D_PRIMITIVE_TRIANGLELIST;
+
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ *out_count = count - 2;
+ return SVGA3D_PRIMITIVE_TRIANGLESTRIP;
+
+ case PIPE_PRIM_TRIANGLE_FAN:
+ *out_count = count - 2;
+ return SVGA3D_PRIMITIVE_TRIANGLEFAN;
+
+ default:
+ assert(0);
+ *out_count = 0;
+ return 0;
+ }
+}
+
+
+struct index_cache {
+ u_generate_func generate;
+ unsigned gen_nr;
+
+ /* If non-null, this buffer is filled by calling
+ * generate(nr, map(buffer))
+ */
+ struct pipe_buffer *buffer;
+};
+
+#define QSZ 32
+
+struct draw_cmd {
+ struct svga_winsys_context *swc;
+
+ SVGA3dVertexDecl vdecl[SVGA3D_INPUTREG_MAX];
+ struct pipe_buffer *vdecl_vb[SVGA3D_INPUTREG_MAX];
+ unsigned vdecl_count;
+
+ SVGA3dPrimitiveRange prim[QSZ];
+ struct pipe_buffer *prim_ib[QSZ];
+ unsigned prim_count;
+ unsigned min_index[QSZ];
+ unsigned max_index[QSZ];
+};
+
+#define IDX_CACHE_MAX 8
+
+struct svga_hwtnl {
+ struct svga_context *svga;
+ struct u_upload_mgr *upload_ib;
+
+ /* Flatshade information:
+ */
+ unsigned api_pv;
+ unsigned hw_pv;
+ unsigned api_fillmode;
+
+ /* Cache the results of running a particular generate func on each
+ * primitive type.
+ */
+ struct index_cache index_cache[PIPE_PRIM_MAX][IDX_CACHE_MAX];
+
+ /* Try to build the maximal draw command packet before emitting:
+ */
+ struct draw_cmd cmd;
+};
+
+
+
+/***********************************************************************
+ * Internal functions
+ */
+enum pipe_error
+svga_hwtnl_prim( struct svga_hwtnl *hwtnl,
+ const SVGA3dPrimitiveRange *range,
+ unsigned min_index,
+ unsigned max_index,
+ struct pipe_buffer *ib );
+
+enum pipe_error
+svga_hwtnl_simple_draw_range_elements( struct svga_hwtnl *hwtnl,
+ struct pipe_buffer *indexBuffer,
+ unsigned index_size,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned prim,
+ unsigned start,
+ unsigned count,
+ unsigned bias );
+
+
+#endif