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/*
* 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.
*/
#include "glheader.h"
#include "mtypes.h"
#include "imports.h"
#include "macros.h"
#include "colormac.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/t_context.h"
#include "via_context.h"
#include "via_vb.h"
#include "via_ioctl.h"
#include "via_tris.h"
#include "via_state.h"
static struct {
void (*emit)(GLcontext *, GLuint, GLuint, void *, GLuint);
tnl_interp_func interp;
tnl_copy_pv_func copyPv;
GLboolean (*check_tex_sizes)(GLcontext *ctx);
GLuint vertexSize;
GLuint vertexStrideShift;
GLuint vertexFormat;
} setup_tab[VIA_MAX_SETUP];
#define TINY_VERTEX_FORMAT 1
#define NOTEX_VERTEX_FORMAT 2
#define TEX0_VERTEX_FORMAT 3
#define TEX1_VERTEX_FORMAT 4
#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 & VIA_XYZW_BIT)
#define DO_RGBA (IND & VIA_RGBA_BIT)
#define DO_SPEC (IND & VIA_SPEC_BIT)
#define DO_FOG (IND & VIA_FOG_BIT)
#define DO_TEX0 (IND & VIA_TEX0_BIT)
#define DO_TEX1 (IND & VIA_TEX1_BIT)
#define DO_TEX2 0
#define DO_TEX3 0
#define DO_PTEX (IND & VIA_PTEX_BIT)
#define VERTEX viaVertex
#define VERTEX_COLOR via_color_t
#define GET_VIEWPORT_MAT() VIA_CONTEXT(ctx)->ViewportMatrix.m
#define GET_TEXSOURCE(n) n
#define GET_VERTEX_FORMAT() VIA_CONTEXT(ctx)->vertexSize
#define GET_VERTEX_SIZE() VIA_CONTEXT(ctx)->vertexSize
#define GET_VERTEX_STORE() VIA_CONTEXT(ctx)->verts
#define GET_VERTEX_STRIDE_SHIFT() VIA_CONTEXT(ctx)->vertexStrideShift
#define GET_UBYTE_COLOR_STORE() &VIA_CONTEXT(ctx)->UbyteColor
#define GET_UBYTE_SPEC_COLOR_STORE() &VIA_CONTEXT(ctx)->UbyteSecondaryColor
#define INVALIDATE_STORED_VERTICES()
#define HAVE_HW_VIEWPORT 0
#define HAVE_HW_DIVIDE 0
#define HAVE_RGBA_COLOR 0
#define HAVE_TINY_VERTICES 1
#define HAVE_NOTEX_VERTICES 1
#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 GLfloat h = VIA_CONTEXT(ctx)->driDrawable->h
#define UNVIEWPORT_X(x) x - SUBPIXEL_X
#define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y
#define UNVIEWPORT_Z(z) z * (float)0xffffffff
#define PTEX_FALLBACK() FALLBACK(VIA_CONTEXT(ctx), VIA_FALLBACK_TEXTURE, 1)
#define IMPORT_FLOAT_COLORS via_import_float_colors
#define IMPORT_FLOAT_SPEC_COLORS via_import_float_spec_colors
#define INTERP_VERTEX setup_tab[VIA_CONTEXT(ctx)->setupIndex].interp
#define COPY_PV_VERTEX setup_tab[VIA_CONTEXT(ctx)->setupIndex].copyPv
/***********************************************************************
* Generate pv-copying and translation functions *
***********************************************************************/
#define TAG(x) via_##x
#include "tnl_dd/t_dd_vb.c"
/***********************************************************************
* Generate vertex emit and interp functions *
***********************************************************************/
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT)
#define TAG(x) x##_wg
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_SPEC_BIT)
#define TAG(x) x##_wgs
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_TEX0_BIT)
#define TAG(x) x##_wgt0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_TEX0_BIT | VIA_TEX1_BIT)
#define TAG(x) x##_wgt0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_TEX0_BIT | VIA_PTEX_BIT)
#define TAG(x) x##_wgpt0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_TEX0_BIT | VIA_TEX1_BIT |\
VIA_PTEX_BIT)
#define TAG(x) x##_wgpt0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_SPEC_BIT | VIA_TEX0_BIT)
#define TAG(x) x##_wgst0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_SPEC_BIT | VIA_TEX0_BIT |\
VIA_TEX1_BIT)
#define TAG(x) x##_wgst0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_SPEC_BIT | VIA_TEX0_BIT |\
VIA_PTEX_BIT)
#define TAG(x) x##_wgspt0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_SPEC_BIT | VIA_TEX0_BIT |\
VIA_TEX1_BIT | VIA_PTEX_BIT)
#define TAG(x) x##_wgspt0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT)
#define TAG(x) x##_wgf
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_SPEC_BIT)
#define TAG(x) x##_wgfs
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_TEX0_BIT)
#define TAG(x) x##_wgft0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_TEX0_BIT |\
VIA_TEX1_BIT)
#define TAG(x) x##_wgft0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_TEX0_BIT |\
VIA_PTEX_BIT)
#define TAG(x) x##_wgfpt0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_TEX0_BIT |\
VIA_TEX1_BIT | VIA_PTEX_BIT)
#define TAG(x) x##_wgfpt0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_SPEC_BIT |\
VIA_TEX0_BIT)
#define TAG(x) x##_wgfst0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_SPEC_BIT |\
VIA_TEX0_BIT | VIA_TEX1_BIT)
#define TAG(x) x##_wgfst0t1
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_SPEC_BIT |\
VIA_TEX0_BIT | VIA_PTEX_BIT)
#define TAG(x) x##_wgfspt0
#include "via_dd_vbtmp.h"
#define IND (VIA_XYZW_BIT | VIA_RGBA_BIT | VIA_FOG_BIT | VIA_SPEC_BIT |\
VIA_TEX0_BIT | VIA_TEX1_BIT | VIA_PTEX_BIT)
#define TAG(x) x##_wgfspt0t1
#include "via_dd_vbtmp.h"
static void init_setup_tab(void) {
init_wg();
init_wgs();
init_wgt0();
init_wgt0t1();
init_wgpt0();
init_wgpt0t1();
init_wgst0();
init_wgst0t1();
init_wgspt0();
init_wgspt0t1();
init_wgf();
init_wgfs();
init_wgft0();
init_wgft0t1();
init_wgfpt0();
init_wgfpt0t1();
init_wgfst0();
init_wgfst0t1();
init_wgfspt0();
init_wgfspt0t1();
}
void viaPrintSetupFlags(char *msg, GLuint flags) {
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n",
msg,
(int)flags,
(flags & VIA_XYZW_BIT) ? " xyzw," : "",
(flags & VIA_RGBA_BIT) ? " rgba," : "",
(flags & VIA_SPEC_BIT) ? " spec," : "",
(flags & VIA_FOG_BIT) ? " fog," : "",
(flags & VIA_TEX0_BIT) ? " tex-0," : "",
(flags & VIA_TEX1_BIT) ? " tex-1," : "");
#endif
}
void viaCheckTexSizes(GLcontext *ctx) {
TNLcontext *tnl = TNL_CONTEXT(ctx);
viaContextPtr vmesa = VIA_CONTEXT(ctx);
#ifdef DEBUG
if (VIA_DEBUG) {
fprintf(stderr, "%s - in\n", __FUNCTION__);
fprintf(stderr, "setupIndex = %x\n", vmesa->setupIndex);
}
#endif
if (!setup_tab[vmesa->setupIndex].check_tex_sizes(ctx)) {
/* Invalidate stored verts
*/
vmesa->setupNewInputs = ~0;
vmesa->setupIndex |= VIA_PTEX_BIT;
if (!vmesa->Fallback &&
!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
tnl->Driver.Render.Interp = setup_tab[vmesa->setupIndex].interp;
tnl->Driver.Render.CopyPV = setup_tab[vmesa->setupIndex].copyPv;
}
}
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
}
void viaBuildVertices(GLcontext *ctx,
GLuint start,
GLuint count,
GLuint newinputs)
{
viaContextPtr vmesa = VIA_CONTEXT(ctx);
GLubyte *v = ((GLubyte *)vmesa->verts + (start << vmesa->vertexStrideShift));
GLuint stride = 1 << vmesa->vertexStrideShift;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
newinputs |= vmesa->setupNewInputs;
vmesa->setupNewInputs = 0;
if (!newinputs)
return;
if (newinputs & VERT_BIT_CLIP) {
setup_tab[vmesa->setupIndex].emit(ctx, start, count, v, stride);
}
else {
GLuint ind = 0;
if (newinputs & VERT_BIT_COLOR0)
ind |= VIA_RGBA_BIT;
if (newinputs & VERT_BIT_COLOR1)
ind |= VIA_SPEC_BIT;
if (newinputs & VERT_BIT_TEX0)
ind |= VIA_TEX0_BIT;
if (newinputs & VERT_BIT_TEX1)
ind |= VIA_TEX1_BIT;
if (newinputs & VERT_BIT_FOG)
ind |= VIA_FOG_BIT;
if (vmesa->setupIndex & VIA_PTEX_BIT)
ind = ~0;
ind &= vmesa->setupIndex;
ind |= VIA_XYZW_BIT;
if (ind) {
setup_tab[ind].emit(ctx, start, count, v, stride);
}
}
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
}
void viaChooseVertexState(GLcontext *ctx) {
TNLcontext *tnl = TNL_CONTEXT(ctx);
viaContextPtr vmesa = VIA_CONTEXT(ctx);
GLuint ind = VIA_XYZW_BIT | VIA_RGBA_BIT;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
#endif
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
ind |= VIA_SPEC_BIT;
if (ctx->Fog.Enabled)
ind |= VIA_FOG_BIT;
if (ctx->Texture._EnabledUnits > 1)
ind |= VIA_TEX1_BIT | VIA_TEX0_BIT;
else if (ctx->Texture._EnabledUnits == 1)
ind |= VIA_TEX0_BIT;
vmesa->setupIndex = ind;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "setupIndex = %x\n", vmesa->setupIndex);
#endif
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = via_interp_extras;
tnl->Driver.Render.CopyPV = via_copy_pv_extras;
}
else {
tnl->Driver.Render.Interp = setup_tab[ind].interp;
tnl->Driver.Render.CopyPV = setup_tab[ind].copyPv;
}
vmesa->vertexSize = setup_tab[ind].vertexSize;
vmesa->vertexStrideShift = setup_tab[ind].vertexStrideShift;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
}
void via_emit_contiguous_verts(GLcontext *ctx,
GLuint start,
GLuint count) {
viaContextPtr vmesa = VIA_CONTEXT(ctx);
GLuint vertexSize = vmesa->vertexSize * 4;
GLuint *dest = viaCheckDma(vmesa, (count - start) * vertexSize);
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
if (VIA_DEBUG) fprintf(stderr, "choose setup_tab[0x%x]\n", vmesa->setupIndex);
#endif
setup_tab[vmesa->setupIndex].emit(ctx, start, count, dest, vertexSize);
vmesa->dmaLow += (count - start) * vertexSize;
#ifdef DEBUG
if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
#endif
}
void viaInitVB(GLcontext *ctx) {
viaContextPtr vmesa = VIA_CONTEXT(ctx);
GLuint size = TNL_CONTEXT(ctx)->vb.Size;
vmesa->verts = ALIGN_MALLOC(size * 4 * 16, 32);
{
static int firsttime = 1;
if (firsttime) {
init_setup_tab();
firsttime = 0;
}
}
}
void viaFreeVB(GLcontext *ctx) {
viaContextPtr vmesa = VIA_CONTEXT(ctx);
if (vmesa->verts) {
ALIGN_FREE(vmesa->verts);
vmesa->verts = 0;
}
if (vmesa->UbyteSecondaryColor.Ptr) {
ALIGN_FREE((void*)vmesa->UbyteSecondaryColor.Ptr);
vmesa->UbyteSecondaryColor.Ptr = 0;
}
if (vmesa->UbyteColor.Ptr) {
ALIGN_FREE((void*)vmesa->UbyteColor.Ptr);
vmesa->UbyteColor.Ptr = 0;
}
}
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