From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../src/mesa/drivers/dri/unichrome/via_render.c | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_render.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_render.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_render.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_render.c new file mode 100644 index 000000000..387473ef5 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_render.c @@ -0,0 +1,131 @@ +/* + * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2003 S3 Graphics, 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, 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 + * VIA, S3 GRAPHICS, AND/OR ITS 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. + */ + + +/* + * Render unclipped vertex buffers by emitting vertices directly to + * dma buffers. Use strip/fan hardware acceleration where possible. + * + */ +#include "glheader.h" +#include "context.h" +#include "macros.h" +#include "mtypes.h" + +#include "tnl/t_context.h" + +#include "via_context.h" +#include "via_tris.h" +#include "via_state.h" +#include "via_ioctl.h" + +/* + * Render unclipped vertex buffers by emitting vertices directly to + * dma buffers. Use strip/fan hardware primitives where possible. + * Try to simulate missing primitives with indexed vertices. + */ +#define HAVE_POINTS 1 +#define HAVE_LINES 1 +#define HAVE_LINE_STRIPS 1 +#define HAVE_LINE_LOOP 1 +#define HAVE_TRIANGLES 1 +#define HAVE_TRI_STRIPS 1 +#define HAVE_TRI_STRIP_1 0 +#define HAVE_TRI_FANS 1 +#define HAVE_POLYGONS 1 +#define HAVE_QUADS 0 +#define HAVE_QUAD_STRIPS 0 + +#define HAVE_ELTS 0 + +#define LOCAL_VARS struct via_context *vmesa = VIA_CONTEXT(ctx) +#define INIT(prim) do { \ + viaRasterPrimitive(ctx, prim, prim); \ +} while (0) +#define GET_CURRENT_VB_MAX_VERTS() \ + ((VIA_DMA_BUF_SZ - (512 + (int)vmesa->dmaLow)) / (vmesa->vertexSize * 4)) +#define GET_SUBSEQUENT_VB_MAX_VERTS() \ + (VIA_DMA_BUF_SZ - 512) / (vmesa->vertexSize * 4) + +#define ALLOC_VERTS( nr ) \ + viaExtendPrimitive( vmesa, (nr) * vmesa->vertexSize * 4) + +#define EMIT_VERTS(ctx, j, nr, buf) \ + _tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf ) + +#define FLUSH() VIA_FINISH_PRIM( vmesa ) + +#define TAG(x) via_fast##x +#include "tnl_dd/t_dd_dmatmp.h" +#undef TAG +#undef LOCAL_VARS +#undef INIT + +/**********************************************************************/ +/* Fast Render pipeline stage */ +/**********************************************************************/ +static GLboolean via_run_fastrender(GLcontext *ctx, + struct tnl_pipeline_stage *stage) +{ + struct via_context *vmesa = VIA_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLuint i; + + + tnl->Driver.Render.Start(ctx); + + if (VB->ClipOrMask || + vmesa->renderIndex != 0 || + !via_fastvalidate_render( ctx, VB )) { + tnl->Driver.Render.Finish(ctx); + return GL_TRUE; + } + + tnl->clipspace.new_inputs |= VERT_BIT_POS; + + for (i = 0; i < VB->PrimitiveCount; ++i) { + GLuint mode = VB->Primitive[i].mode; + GLuint start = VB->Primitive[i].start; + GLuint length = VB->Primitive[i].count; + if (length) + via_fastrender_tab_verts[mode & PRIM_MODE_MASK](ctx, start, start+length, mode); + } + + tnl->Driver.Render.Finish(ctx); + + return GL_FALSE; /* finished the pipe */ +} + +const struct tnl_pipeline_stage _via_fastrender_stage = +{ + "via fast render", + NULL, + NULL, + NULL, + NULL, + via_run_fastrender /* run */ +}; + + -- cgit v1.2.3