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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_render.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_render.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_render.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_render.c
deleted file mode 100644
index b0592e9cd..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_render.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * 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 <keith@tungstengraphics.com>
- * Adapted for use on the I830:
- * Jeff Hartmann <jhartmann@2d3d.com>
- */
-/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_render.c,v 1.2 2002/12/10 01:26:53 dawes Exp $ */
-
-/*
- * 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 "enums.h"
-
-#include "tnl/t_context.h"
-
-#include "i830_screen.h"
-#include "i830_dri.h"
-
-#include "i830_context.h"
-#include "i830_tris.h"
-#include "i830_state.h"
-#include "i830_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 0 /* Has it, but can't use because subpixel has to
- * be adjusted for points on the I830/I845G
- */
-#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,
- PRIM3D_LINELIST,
- PRIM3D_LINESTRIP,
- PRIM3D_LINESTRIP,
- PRIM3D_TRILIST,
- PRIM3D_TRISTRIP,
- PRIM3D_TRIFAN,
- 0,
- 0,
- PRIM3D_POLY
-};
-
-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
-};
-
-static const int scale_prim[GL_POLYGON+1] = {
- 0, /* fallback case */
- 1,
- 2,
- 2,
- 1,
- 3,
- 3,
- 0, /* fallback case */
- 0, /* fallback case */
- 3
-};
-
-
-#define LOCAL_VARS i830ContextPtr imesa = I830_CONTEXT(ctx)
-#define INIT( prim ) do { \
- I830_STATECHANGE(imesa, 0); \
- i830RasterPrimitive( ctx, reduced_prim[prim], hw_prim[prim] ); \
-} while (0)
-
-#define FLUSH() I830_FIREVERTICES( imesa )
-#define GET_CURRENT_VB_MAX_VERTS() \
- (((int)imesa->vertex_high - (int)imesa->vertex_low) / (imesa->vertex_size*4))
-#define GET_SUBSEQUENT_VB_MAX_VERTS() \
- (I830_DMA_BUF_SZ-8) / (imesa->vertex_size * 4)
-
-
-#define ALLOC_VERTS( nr ) \
- i830AllocDmaLow( imesa, (nr) * imesa->vertex_size * 4)
-#define EMIT_VERTS( ctx, j, nr, buf ) \
- _tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf)
-
-#define TAG(x) i830_##x
-#include "tnl_dd/t_dd_dmatmp.h"
-
-
-/**********************************************************************/
-/* Render pipeline stage */
-/**********************************************************************/
-
-/* Heuristic for i830, which can only emit a single primitive per dma
- * buffer, and has only a small number of dma buffers.
- */
-static GLboolean choose_render( struct vertex_buffer *VB, int bufsz )
-{
- int nr_prims = 0;
- int nr_rprims = 0;
- int nr_rverts = 0;
- int rprim = 0;
- int i;
-
-
- for (i = 0 ; i < VB->PrimitiveCount ; i++)
- {
- GLuint prim = VB->Primitive[i].mode;
- GLuint length = VB->Primitive[i].count;
-
- if (!length)
- continue;
-
- if (!hw_prim[prim & PRIM_MODE_MASK])
- return GL_FALSE;
-
- nr_prims++;
- nr_rverts += length * scale_prim[prim & PRIM_MODE_MASK];
-
- if (reduced_prim[prim&PRIM_MODE_MASK] != rprim) {
- nr_rprims++;
- rprim = reduced_prim[prim&PRIM_MODE_MASK];
- }
- }
-
- nr_prims += i / bufsz;
- nr_rprims += nr_rverts / bufsz;
-
- if ((nr_prims > nr_rprims * 2) ||
- (nr_prims > nr_rprims + 3))
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-static GLboolean i830_run_render( GLcontext *ctx,
- struct tnl_pipeline_stage *stage )
-{
- i830ContextPtr imesa = I830_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 ||
- !i830_validate_render( ctx, VB ) ||
- !choose_render( VB, 200 )) { /* 200 is estimate of nr verts/buf */
- return GL_TRUE;
- }
-
- 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;
-
- i830_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 _i830_render_stage =
-{
- "i830 render",
- NULL,
- NULL,
- NULL,
- NULL,
- i830_run_render /* run */
-};
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