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 --- .../Mesa/src/mesa/drivers/dri/i810/i810render.c | 173 +++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810render.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810render.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810render.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810render.c new file mode 100644 index 000000000..a31d54236 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810render.c @@ -0,0 +1,173 @@ +/* + * Intel i810 DRI driver for Mesa 3.5 + * + * Copyright (C) 1999-2000 Keith Whitwell 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 KEITH WHITWELL 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. + * + * Author: + * Keith Whitwell + */ + + +/* + * 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 "imports.h" +#include "mtypes.h" + +#include "tnl/t_context.h" + +#include "i810screen.h" +#include "i810_dri.h" + +#include "i810context.h" +#include "i810tris.h" +#include "i810state.h" +#include "i810vb.h" +#include "i810ioctl.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 0 +#define HAVE_LINES 1 +#define HAVE_LINE_STRIPS 1 +#define HAVE_TRIANGLES 1 +#define HAVE_TRI_STRIPS 1 +#define HAVE_TRI_STRIP_1 0 /* has it, template can't use it yet */ +#define HAVE_TRI_FANS 1 +#define HAVE_POLYGONS 1 +#define HAVE_QUADS 0 +#define HAVE_QUAD_STRIPS 0 + +#define HAVE_ELTS 0 + + +static GLuint hw_prim[GL_POLYGON+1] = { + 0, + PR_LINES, + 0, + PR_LINESTRIP, + PR_TRIANGLES, + PR_TRISTRIP_0, + PR_TRIFAN, + 0, + 0, + PR_POLYGON +}; + +static const GLenum reduced_prim[GL_POLYGON+1] = { + GL_POINTS, + GL_LINES, + GL_LINES, + GL_LINES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES +}; + + + + +#define LOCAL_VARS i810ContextPtr imesa = I810_CONTEXT(ctx) +#define INIT( prim ) do { \ + I810_STATECHANGE(imesa, 0); \ + i810RasterPrimitive( ctx, reduced_prim[prim], hw_prim[prim] ); \ +} while (0) +#define GET_CURRENT_VB_MAX_VERTS() \ + (((int)imesa->vertex_high - (int)imesa->vertex_low) / (imesa->vertex_size*4)) +#define GET_SUBSEQUENT_VB_MAX_VERTS() \ + (I810_DMA_BUF_SZ-4) / (imesa->vertex_size * 4) + +#define ALLOC_VERTS( nr ) \ + i810AllocDmaLow( imesa, (nr) * imesa->vertex_size * 4) +#define EMIT_VERTS( ctx, j, nr, buf ) \ + i810_emit_contiguous_verts(ctx, j, (j)+(nr), buf) + +#define FLUSH() I810_FIREVERTICES( imesa ) + + +#define TAG(x) i810_##x +#include "tnl_dd/t_dd_dmatmp.h" + + +/**********************************************************************/ +/* Render pipeline stage */ +/**********************************************************************/ + + +static GLboolean i810_run_render( GLcontext *ctx, + struct tnl_pipeline_stage *stage ) +{ + i810ContextPtr imesa = I810_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLuint i; + + /* Don't handle clipping or indexed vertices. + */ + if (imesa->RenderIndex != 0 || + !i810_validate_render( ctx, VB )) { + return GL_TRUE; + } + + imesa->SetupNewInputs = VERT_BIT_POS; + + tnl->Driver.Render.Start( ctx ); + + for (i = 0 ; i < VB->PrimitiveCount ; i++) + { + GLuint prim = VB->Primitive[i].mode; + GLuint start = VB->Primitive[i].start; + GLuint length = VB->Primitive[i].count; + + if (!length) + continue; + + i810_render_tab_verts[prim & PRIM_MODE_MASK]( ctx, start, start + length, + prim ); + } + + tnl->Driver.Render.Finish( ctx ); + + return GL_FALSE; /* finished the pipe */ +} + + + +const struct tnl_pipeline_stage _i810_render_stage = +{ + "i810 render", + NULL, + NULL, + NULL, + NULL, + i810_run_render /* run */ +}; -- cgit v1.2.3