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Diffstat (limited to 'src/mesa/drivers/dri/mga/mgavb.c')
-rw-r--r--src/mesa/drivers/dri/mga/mgavb.c497
1 files changed, 497 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mga/mgavb.c b/src/mesa/drivers/dri/mga/mgavb.c
new file mode 100644
index 00000000000..d354fa43d2e
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/mgavb.c
@@ -0,0 +1,497 @@
+/*
+ * Copyright 2000-2001 VA Linux Systems, 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
+ * on 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
+ * VA LINUX SYSTEMS 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.
+ *
+ * Authors:
+ * Keith Whitwell <[email protected]>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgavb.c,v 1.15 2003/03/26 20:43:49 tsi Exp $ */
+
+#include "mgacontext.h"
+#include "mgavb.h"
+#include "mgatris.h"
+#include "mgaioctl.h"
+#include "mga_xmesa.h"
+
+#include "glheader.h"
+#include "mtypes.h"
+/*#include "mem.h" */
+#include "macros.h"
+#include "colormac.h"
+/*#include "mmath.h"*/
+
+#include "tnl/t_context.h"
+#include "swrast_setup/swrast_setup.h"
+#include "swrast/swrast.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+#define MGA_TEX1_BIT 0x1
+#define MGA_TEX0_BIT 0x2
+#define MGA_RGBA_BIT 0x4
+#define MGA_SPEC_BIT 0x8
+#define MGA_FOG_BIT 0x10
+#define MGA_XYZW_BIT 0x20
+#define MGA_PTEX_BIT 0x40
+#define MGA_MAX_SETUP 0x80
+
+static struct {
+ void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint );
+ interp_func interp;
+ copy_pv_func copy_pv;
+ GLboolean (*check_tex_sizes)( GLcontext *ctx );
+ GLuint vertex_size;
+ GLuint vertex_stride_shift;
+ GLuint vertex_format;
+} setup_tab[MGA_MAX_SETUP];
+
+
+#define TINY_VERTEX_FORMAT 0
+#define NOTEX_VERTEX_FORMAT 0
+#define TEX0_VERTEX_FORMAT (MGA_A|MGA_S|MGA_F)
+#define TEX1_VERTEX_FORMAT (MGA_A|MGA_S|MGA_F|MGA_T2)
+#define PROJ_TEX1_VERTEX_FORMAT 0
+#define TEX2_VERTEX_FORMAT 0
+#define TEX3_VERTEX_FORMAT 0
+#define PROJ_TEX3_VERTEX_FORMAT 0
+
+#define DO_XYZW (IND & MGA_XYZW_BIT)
+#define DO_RGBA (IND & MGA_RGBA_BIT)
+#define DO_SPEC (IND & MGA_SPEC_BIT)
+#define DO_FOG (IND & MGA_FOG_BIT)
+#define DO_TEX0 (IND & MGA_TEX0_BIT)
+#define DO_TEX1 (IND & MGA_TEX1_BIT)
+#define DO_TEX2 0
+#define DO_TEX3 0
+#define DO_PTEX (IND & MGA_PTEX_BIT)
+
+
+#define VERTEX mgaVertex
+#define VERTEX_COLOR mga_color_t
+#define LOCALVARS mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+#define GET_VIEWPORT_MAT() mmesa->hw_viewport
+#define GET_TEXSOURCE(n) mmesa->tmu_source[n]
+#define GET_VERTEX_FORMAT() mmesa->vertex_format
+#define GET_VERTEX_STORE() ((GLubyte *)mmesa->verts)
+#define GET_VERTEX_STRIDE_SHIFT() mmesa->vertex_stride_shift
+#define GET_UBYTE_COLOR_STORE() &mmesa->UbyteColor
+#define GET_UBYTE_SPEC_COLOR_STORE() &mmesa->UbyteSecondaryColor
+
+#define HAVE_HW_VIEWPORT 0
+#define HAVE_HW_DIVIDE 0
+#define HAVE_RGBA_COLOR 0
+#define HAVE_TINY_VERTICES 0
+#define HAVE_NOTEX_VERTICES 0
+#define HAVE_TEX0_VERTICES 1
+#define HAVE_TEX1_VERTICES 1
+#define HAVE_TEX2_VERTICES 0
+#define HAVE_TEX3_VERTICES 0
+#define HAVE_PTEX_VERTICES 0
+
+#define UNVIEWPORT_VARS \
+ const GLfloat dx = - mmesa->drawX - SUBPIXEL_X; \
+ const GLfloat dy = (mmesa->driDrawable->h + \
+ mmesa->drawY + SUBPIXEL_Y); \
+ const GLfloat sz = 1.0 / mmesa->depth_scale
+
+#define UNVIEWPORT_X(x) x + dx;
+#define UNVIEWPORT_Y(y) - y + dy;
+#define UNVIEWPORT_Z(z) z * sz;
+
+#define PTEX_FALLBACK() FALLBACK(ctx, MGA_FALLBACK_TEXTURE, 1)
+
+
+#define IMPORT_FLOAT_COLORS mga_import_float_colors
+#define IMPORT_FLOAT_SPEC_COLORS mga_import_float_spec_colors
+
+#define INTERP_VERTEX setup_tab[MGA_CONTEXT(ctx)->SetupIndex].interp
+#define COPY_PV_VERTEX setup_tab[MGA_CONTEXT(ctx)->SetupIndex].copy_pv
+
+
+/***********************************************************************
+ * Generate pv-copying and translation functions *
+ ***********************************************************************/
+
+#define TAG(x) mga_##x
+#include "tnl_dd/t_dd_vb.c"
+
+/***********************************************************************
+ * Generate vertex emit and interp functions *
+ ***********************************************************************/
+
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT)
+#define TAG(x) x##_wg
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT)
+#define TAG(x) x##_wgs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_wgt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_wgt0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT)
+#define TAG(x) x##_wgpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_wgst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_wgst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT)
+#define TAG(x) x##_wgspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT)
+#define TAG(x) x##_wgf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT)
+#define TAG(x) x##_wgfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_wgft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_wgft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT)
+#define TAG(x) x##_wgfpt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_wgfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_wgfst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT)
+#define TAG(x) x##_wgfspt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_TEX0_BIT)
+#define TAG(x) x##_t0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_t0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_FOG_BIT)
+#define TAG(x) x##_f
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_FOG_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_ft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_ft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT)
+#define TAG(x) x##_g
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_SPEC_BIT)
+#define TAG(x) x##_gs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_gt0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_gt0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_gst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_gst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT)
+#define TAG(x) x##_gf
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT)
+#define TAG(x) x##_gfs
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_gft0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_gft0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT)
+#define TAG(x) x##_gfst0
+#include "tnl_dd/t_dd_vbtmp.h"
+
+#define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT)
+#define TAG(x) x##_gfst0t1
+#include "tnl_dd/t_dd_vbtmp.h"
+
+
+static void init_setup_tab( void )
+{
+ init_wg();
+ init_wgs();
+ init_wgt0();
+ init_wgt0t1();
+ init_wgpt0();
+ init_wgst0();
+ init_wgst0t1();
+ init_wgspt0();
+ init_wgf();
+ init_wgfs();
+ init_wgft0();
+ init_wgft0t1();
+ init_wgfpt0();
+ init_wgfst0();
+ init_wgfst0t1();
+ init_wgfspt0();
+ init_t0();
+ init_t0t1();
+ init_f();
+ init_ft0();
+ init_ft0t1();
+ init_g();
+ init_gs();
+ init_gt0();
+ init_gt0t1();
+ init_gst0();
+ init_gst0t1();
+ init_gf();
+ init_gfs();
+ init_gft0();
+ init_gft0t1();
+ init_gfst0();
+ init_gfst0t1();
+}
+
+
+
+
+void mgaPrintSetupFlags(char *msg, GLuint flags )
+{
+ fprintf(stderr, "%s: %d %s%s%s%s%s%s\n",
+ msg,
+ (int)flags,
+ (flags & MGA_XYZW_BIT) ? " xyzw," : "",
+ (flags & MGA_RGBA_BIT) ? " rgba," : "",
+ (flags & MGA_SPEC_BIT) ? " spec," : "",
+ (flags & MGA_FOG_BIT) ? " fog," : "",
+ (flags & MGA_TEX0_BIT) ? " tex-0," : "",
+ (flags & MGA_TEX1_BIT) ? " tex-1," : "");
+}
+
+
+void mgaCheckTexSizes( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT( ctx );
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ /*fprintf(stderr, "%s\n", __FUNCTION__);*/
+
+ if (!setup_tab[mmesa->SetupIndex].check_tex_sizes(ctx)) {
+ mmesa->SetupIndex |= MGA_PTEX_BIT;
+ mmesa->SetupNewInputs = ~0;
+
+ if (!mmesa->Fallback &&
+ !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
+ tnl->Driver.Render.Interp = setup_tab[mmesa->SetupIndex].interp;
+ tnl->Driver.Render.CopyPV = setup_tab[mmesa->SetupIndex].copy_pv;
+ }
+ }
+}
+
+
+void mgaBuildVertices( GLcontext *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint newinputs )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT( ctx );
+ GLubyte *v = ((GLubyte *)mmesa->verts + (start<<mmesa->vertex_stride_shift));
+ GLuint stride = 1<<mmesa->vertex_stride_shift;
+
+ newinputs |= mmesa->SetupNewInputs;
+ mmesa->SetupNewInputs = 0;
+
+ if (!newinputs)
+ return;
+
+ if (newinputs & VERT_BIT_CLIP) {
+ setup_tab[mmesa->SetupIndex].emit( ctx, start, count, v, stride );
+ } else {
+ GLuint ind = 0;
+
+ if (newinputs & VERT_BIT_COLOR0)
+ ind |= MGA_RGBA_BIT;
+
+ if (newinputs & VERT_BIT_COLOR1)
+ ind |= MGA_SPEC_BIT;
+
+ if (newinputs & VERT_BIT_TEX0)
+ ind |= MGA_TEX0_BIT;
+
+ if (newinputs & VERT_BIT_TEX1)
+ ind |= MGA_TEX0_BIT|MGA_TEX1_BIT;
+
+ if (newinputs & VERT_BIT_FOG)
+ ind |= MGA_FOG_BIT;
+
+ if (mmesa->SetupIndex & MGA_PTEX_BIT)
+ ind = ~0;
+
+ ind &= mmesa->SetupIndex;
+
+ if (ind) {
+ setup_tab[ind].emit( ctx, start, count, v, stride );
+ }
+ }
+}
+
+
+void mgaChooseVertexState( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT( ctx );
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint ind = MGA_XYZW_BIT|MGA_RGBA_BIT;
+
+ if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+ ind |= MGA_SPEC_BIT;
+
+ if (ctx->Fog.Enabled)
+ ind |= MGA_FOG_BIT;
+
+ if (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
+ if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
+ ind |= MGA_TEX1_BIT|MGA_TEX0_BIT;
+ }
+ else {
+ ind |= MGA_TEX0_BIT;
+ }
+ }
+ else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
+ ind |= MGA_TEX0_BIT;
+ }
+
+ mmesa->SetupIndex = ind;
+
+ if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
+ tnl->Driver.Render.Interp = mga_interp_extras;
+ tnl->Driver.Render.CopyPV = mga_copy_pv_extras;
+ } else {
+ tnl->Driver.Render.Interp = setup_tab[ind].interp;
+ tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
+ }
+
+ if (setup_tab[ind].vertex_format != mmesa->vertex_format) {
+ FLUSH_BATCH(mmesa);
+ mmesa->new_state |= MGA_NEW_WARP;
+ mmesa->dirty |= MGA_UPLOAD_PIPE;
+ mmesa->vertex_format = setup_tab[ind].vertex_format;
+ mmesa->vertex_size = setup_tab[ind].vertex_size;
+ mmesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift;
+ }
+}
+
+
+
+void mga_emit_contiguous_verts( GLcontext *ctx,
+ GLuint start,
+ GLuint count )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+ GLuint vertex_size = mmesa->vertex_size * 4;
+ GLuint *dest = mgaAllocDmaLow( mmesa, (count-start) * vertex_size);
+ setup_tab[mmesa->SetupIndex].emit( ctx, start, count, dest, vertex_size );
+}
+
+
+
+void mgaInitVB( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+ GLuint size = TNL_CONTEXT(ctx)->vb.Size;
+
+ mmesa->verts = (char *)ALIGN_MALLOC(size * sizeof(mgaVertex), 32);
+
+ {
+ static int firsttime = 1;
+ if (firsttime) {
+ init_setup_tab();
+ firsttime = 0;
+ }
+ }
+
+ mmesa->new_state |= MGA_NEW_WARP;
+ mmesa->dirty |= MGA_UPLOAD_PIPE;
+ mmesa->vertex_format = setup_tab[0].vertex_format;
+ mmesa->vertex_size = setup_tab[0].vertex_size;
+ mmesa->vertex_stride_shift = setup_tab[0].vertex_stride_shift;
+}
+
+
+void mgaFreeVB( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+ if (mmesa->verts) {
+ ALIGN_FREE(mmesa->verts);
+ mmesa->verts = 0;
+ }
+
+ if (mmesa->UbyteSecondaryColor.Ptr) {
+ ALIGN_FREE(mmesa->UbyteSecondaryColor.Ptr);
+ mmesa->UbyteSecondaryColor.Ptr = 0;
+ }
+
+ if (mmesa->UbyteColor.Ptr) {
+ ALIGN_FREE(mmesa->UbyteColor.Ptr);
+ mmesa->UbyteColor.Ptr = 0;
+ }
+}
+