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/*
* Author: Max Lingua <sunmax@libero.it>
*/
#include "glheader.h"
#include "context.h"
#include "macros.h"
#include "mtypes.h"
#include "tnl/t_context.h"
#include "s3v_context.h"
#include "s3v_tris.h"
#include "s3v_vb.h"
#define HAVE_POINTS 0
#define HAVE_LINES 0
#define HAVE_LINE_STRIPS 0
#define HAVE_TRIANGLES 0
#define HAVE_TRI_STRIPS 0
#define HAVE_TRI_STRIP_1 0
#define HAVE_TRI_FANS 0
#define HAVE_QUADS 0
#define HAVE_QUAD_STRIPS 0
#define HAVE_POLYGONS 0
#define HAVE_ELTS 0
#if 0
static void VERT_FALLBACK( GLcontext *ctx,
GLuint start,
GLuint count,
GLuint flags )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
/* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */
int _flags;
DEBUG(("VERT_FALLBACK: flags & PRIM_MODE_MASK = %i\n",
flags & PRIM_MODE_MASK));
DEBUG(("VERT_FALLBACK: flags=%i PRIM_MODE_MASK=%i\n",
flags, PRIM_MODE_MASK));
#if 0
tnl->Driver.Render.PrimitiveNotify( ctx, flags & PRIM_MODE_MASK );
#endif
tnl->Driver.Render.BuildVertices( ctx, start, count, ~0 );
_flags = flags & PRIM_MODE_MASK;
tnl->Driver.Render.PrimTabVerts[_flags]( ctx, start, count, flags );
S3V_CONTEXT(ctx)->SetupNewInputs = VERT_BIT_POS;
}
#endif
static const GLuint hw_prim[GL_POLYGON+1] = {
PrimType_Points,
PrimType_Lines,
PrimType_LineLoop,
PrimType_LineStrip,
PrimType_Triangles,
PrimType_TriangleStrip,
PrimType_TriangleFan,
PrimType_Quads,
PrimType_QuadStrip,
PrimType_Polygon
};
static __inline void s3vStartPrimitive( s3vContextPtr vmesa, GLenum prim )
{
__DRIdrawablePrivate *dPriv = vmesa->driDrawable;
int _hw_prim = hw_prim[prim];
DEBUG(("s3vStartPrimitive (new #%i) ", prim));
if (_hw_prim != vmesa->restore_primitive) {
if (prim == 4) { /* TRI */
DEBUG(("switching to tri\n"));
vmesa->prim_cmd = vmesa->_tri[vmesa->_3d_mode];
vmesa->alpha_cmd = vmesa->_alpha[vmesa->_3d_mode];
DMAOUT_CHECK(3DTRI_Z_BASE, 12);
} else if (prim == 1) { /* LINE */
DEBUG(("switching to line\n"));
vmesa->prim_cmd = DO_3D_LINE;
vmesa->alpha_cmd = vmesa->_alpha[0];
DMAOUT_CHECK(3DLINE_Z_BASE, 12);
} else {
DEBUG(("Never mind the bollocks!\n"));
}
DMAOUT(vmesa->s3vScreen->depthOffset & 0x003FFFF8);
DMAOUT(vmesa->DestBase);
/* DMAOUT(vmesa->ScissorLR); */
/* DMAOUT(vmesa->ScissorTB); */
DMAOUT( (0 << 16) | (dPriv->w-1) );
DMAOUT( (0 << 16) | (dPriv->h-1) );
DMAOUT( (vmesa->SrcStride << 16) | vmesa->TexStride );
DMAOUT(vmesa->SrcStride);
DMAOUT(vmesa->TexOffset);
DMAOUT(vmesa->TextureBorderColor);
DMAOUT(0); /* FOG */
DMAOUT(0);
DMAOUT(0);
DMAOUT(vmesa->CMD | vmesa->prim_cmd | vmesa->alpha_cmd);
DMAFINISH();
}
vmesa->restore_primitive = _hw_prim;
}
static __inline void s3vEndPrimitive( s3vContextPtr vmesa )
{
/* GLcontext *ctx = vmesa->glCtx; */
DEBUG(("s3vEndPrimitive\n"));
}
#define LOCAL_VARS s3vContextPtr vmesa = S3V_CONTEXT(ctx)
#define INIT( prim ) s3vStartPrimitive( vmesa, prim )
#define FINISH s3vEndPrimitive( vmesa )
#define NEW_PRIMITIVE() (void) vmesa
#define NEW_BUFFER() (void) vmesa
#define FIRE_VERTICES() (void) vmesa
#define GET_CURRENT_VB_MAX_VERTS() \
(vmesa->bufSize - vmesa->bufCount) / 2
#define GET_SUBSEQUENT_VB_MAX_VERTS() \
S3V_DMA_BUF_SZ / 2
/* XXX */
#define ALLOC_VERTS(nr) NULL
#define EMIT_VERTS(ctx, start, count, buf) NULL
#define FLUSH() s3vEndPrimitive( vmesa )
#define TAG(x) s3v_##x
#include "tnl_dd/t_dd_dmatmp.h"
/**********************************************************************/
/* Render pipeline stage */
/**********************************************************************/
static GLboolean s3v_run_render( GLcontext *ctx,
struct tnl_pipeline_stage *stage )
{
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint i;
tnl_render_func *tab;
DEBUG(("s3v_run_render\n"));
/* FIXME: hw clip */
if (VB->ClipOrMask || vmesa->RenderIndex != 0) {
DEBUG(("*** CLIPPED in render ***\n"));
#if 1
return GL_TRUE; /* don't handle clipping here */
#endif
}
/* We don't do elts */
if (VB->Elts)
return GL_TRUE;
tab = TAG(render_tab_verts);
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;
DEBUG(("s3v_run_render (loop=%i) (lenght=%i)\n", i, length));
if (length) {
tnl->Driver.Render.BuildVertices( ctx, start,
start+length, ~0 /*stage->inputs*/); /* XXX */
tnl->Driver.Render.PrimTabVerts[prim & PRIM_MODE_MASK]
( ctx, start, start + length, prim );
vmesa->SetupNewInputs = VERT_BIT_POS;
}
}
tnl->Driver.Render.Finish( ctx );
return GL_FALSE; /* finished the pipe */
}
static void s3v_check_render( GLcontext *ctx,
struct tnl_pipeline_stage *stage )
{
s3vContextPtr vmesa = S3V_CONTEXT(ctx);
GLuint inputs = VERT_BIT_POS | VERT_BIT_COLOR0;
DEBUG(("s3v_check_render\n"));
if (ctx->RenderMode == GL_RENDER) {
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
DEBUG(("DD_SEPARATE_SPECULAR\n"));
inputs |= VERT_BIT_COLOR1;
}
if (ctx->Texture.Unit[0]._ReallyEnabled) {
DEBUG(("ctx->Texture.Unit[0]._ReallyEnabled\n"));
inputs |= VERT_BIT_TEX(0);
}
if (ctx->Texture.Unit[1]._ReallyEnabled) {
DEBUG(("ctx->Texture.Unit[1]._ReallyEnabled\n"));
inputs |= VERT_BIT_TEX(1);
}
if (ctx->Fog.Enabled) {
DEBUG(("ctx->Fog.Enabled\n"));
inputs |= VERT_BIT_FOG;
}
}
stage->inputs = inputs;
vmesa->SetupNewInputs = inputs;
}
static void dtr( struct tnl_pipeline_stage *stage )
{
(void)stage;
/* hack to silence a compiler warning */
(void) &s3v_validate_render;
}
const struct tnl_pipeline_stage _s3v_render_stage =
{
"s3v render",
(_DD_NEW_SEPARATE_SPECULAR |
_NEW_TEXTURE|
_NEW_FOG|
_NEW_RENDERMODE), /* re-check (new inputs) */
0, /* re-run (always runs) */
GL_TRUE, /* active */
0, 0, /* inputs (set in check_render), outputs */
0, 0, /* changed_inputs, private */
dtr, /* destructor */
s3v_check_render, /* check - initially set to alloc data */
s3v_run_render /* run */
};
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