-/* $Id: t_vb_render.c,v 1.18 2001/04/26 14:53:48 keithw Exp $ */
+/* $Id: t_vb_render.c,v 1.32 2002/10/24 23:57:25 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.0.1
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* This file makes calls to project vertices and to the point, line
* and triangle rasterizers via the function pointers:
*
- * context->Driver.BuildProjectedVertices()
+ * context->Driver.Render.*
*
- * context->Driver.PointsFunc()
- * context->Driver.LineFunc()
- * context->Driver.TriangleFunc()
- * context->Driver.QuadFunc()
- *
- * context->Driver.RenderTabVerts[]
- * context->Driver.RenderTabElts[]
- *
- * None of these may be null.
*/
#include "glheader.h"
#include "context.h"
+#include "enums.h"
#include "macros.h"
-#include "mem.h"
+#include "imports.h"
#include "mtypes.h"
#include "mmath.h"
#if defined(USE_IEEE)
-#define NEGATIVE(x) ((*(GLuint *)&x) & (1<<31))
-#define DIFFERENT_SIGNS(x,y) (((*(GLuint *)&x)^(*(GLuint *)&y)) & (1<<31))
+#define NEGATIVE(x) (GET_FLOAT_BITS(x) & (1<<31))
+#define DIFFERENT_SIGNS(x,y) ((GET_FLOAT_BITS(x) ^ GET_FLOAT_BITS(y)) & (1<<31))
#else
#define NEGATIVE(x) (x < 0)
#define DIFFERENT_SIGNS(x,y) (x * y <= 0 && x - y != 0)
*/
#endif
-#define LINTERP_SZ( t, vec, to, a, b, sz ) \
-do { \
- switch (sz) { \
- case 2: vec[to][2] = 0.0; \
- case 3: vec[to][3] = 1.0; \
- } \
- switch (sz) { \
- case 4: vec[to][3] = LINTERP( t, vec[a][3], vec[b][3] ); \
- case 3: vec[to][2] = LINTERP( t, vec[a][2], vec[b][2] ); \
- case 2: vec[to][1] = LINTERP( t, vec[a][1], vec[b][1] ); \
- vec[to][0] = LINTERP( t, vec[a][0], vec[b][0] ); \
- } \
-} while(0)
-
-#define LINTERP_4F( t, vec, to, a, b, sz ) \
-do { \
- vec[to][3] = LINTERP( t, vec[a][3], vec[b][3] ); \
- vec[to][2] = LINTERP( t, vec[a][2], vec[b][2] ); \
- vec[to][1] = LINTERP( t, vec[a][1], vec[b][1] ); \
- vec[to][0] = LINTERP( t, vec[a][0], vec[b][0] ); \
-} while (0)
#define W(i) coord[i][3]
#define Z(i) coord[i][2]
/* Vertices, with the possibility of clipping.
*/
#define RENDER_POINTS( start, count ) \
- tnl->Driver.PointsFunc( ctx, start, count )
+ tnl->Driver.Render.Points( ctx, start, count )
#define RENDER_LINE( v1, v2 ) \
do { \
const GLuint * const elt = VB->Elts; \
const GLubyte *mask = VB->ClipMask; \
const GLuint sz = VB->ClipPtr->size; \
- const line_func LineFunc = tnl->Driver.LineFunc; \
- const triangle_func TriangleFunc = tnl->Driver.TriangleFunc; \
- const quad_func QuadFunc = tnl->Driver.QuadFunc; \
+ const line_func LineFunc = tnl->Driver.Render.Line; \
+ const triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
+ const quad_func QuadFunc = tnl->Driver.Render.Quad; \
const GLboolean stipple = ctx->Line.StippleFlag; \
(void) (LineFunc && TriangleFunc && QuadFunc); \
(void) elt; (void) mask; (void) sz; (void) stipple;
#define TAG(x) clip_##x##_verts
-#define INIT(x) tnl->Driver.RenderPrimitive( ctx, x )
-#define RESET_STIPPLE if (stipple) tnl->Driver.ResetLineStipple( ctx )
+#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
+#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
#define PRESERVE_VB_DEFS
#include "t_vb_rendertmp.h"
GLuint flags )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
- render_func render_tris = tnl->Driver.RenderTabElts[GL_TRIANGLES];
+ render_func render_tris = tnl->Driver.Render.PrimTabElts[GL_TRIANGLES];
struct vertex_buffer *VB = &tnl->vb;
const GLuint * const elt = VB->Elts;
GLubyte *mask = VB->ClipMask;
GLuint j;
(void) flags;
- tnl->Driver.RenderPrimitive( ctx, GL_TRIANGLES );
+ tnl->Driver.Render.PrimitiveNotify( ctx, GL_TRIANGLES );
for (j=start; j < last; j+=3 ) {
GLubyte c1 = mask[elt[j]];
/* Vertices, no clipping.
*/
#define RENDER_POINTS( start, count ) \
- tnl->Driver.PointsFunc( ctx, start, count )
+ tnl->Driver.Render.Points( ctx, start, count )
#define RENDER_LINE( v1, v2 ) \
LineFunc( ctx, v1, v2 )
TNLcontext *tnl = TNL_CONTEXT(ctx); \
struct vertex_buffer *VB = &tnl->vb; \
const GLuint * const elt = VB->Elts; \
- const line_func LineFunc = tnl->Driver.LineFunc; \
- const triangle_func TriangleFunc = tnl->Driver.TriangleFunc; \
- const quad_func QuadFunc = tnl->Driver.QuadFunc; \
+ const line_func LineFunc = tnl->Driver.Render.Line; \
+ const triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
+ const quad_func QuadFunc = tnl->Driver.Render.Quad; \
+ const GLboolean stipple = ctx->Line.StippleFlag; \
(void) (LineFunc && TriangleFunc && QuadFunc); \
- (void) elt;
+ (void) elt; (void) stipple
-#define RESET_STIPPLE tnl->Driver.ResetLineStipple( ctx )
+#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define RESET_OCCLUSION ctx->OcclusionResult = GL_TRUE
-#define INIT(x) tnl->Driver.RenderPrimitive( ctx, x )
+#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define RENDER_TAB_QUALIFIER
#define PRESERVE_VB_DEFS
#include "t_vb_rendertmp.h"
#include "t_vb_rendertmp.h"
+/**********************************************************************/
+/* Helper functions for drivers */
+/**********************************************************************/
+
+void _tnl_RenderClippedPolygon( GLcontext *ctx, const GLuint *elts, GLuint n )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint *tmp = VB->Elts;
+
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END );
+ VB->Elts = tmp;
+}
+
+void _tnl_RenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.Render.Line( ctx, ii, jj );
+}
+
/**********************************************************************/
render_func *tab;
GLint pass = 0;
-
/* Allow the drivers to lock before projected verts are built so
* that window coordinates are guarenteed not to change before
* rendering.
*/
- ASSERT(tnl->Driver.RenderStart);
+ ASSERT(tnl->Driver.Render.Start);
- tnl->Driver.RenderStart( ctx );
+ tnl->Driver.Render.Start( ctx );
- ASSERT(tnl->Driver.BuildProjectedVertices);
- ASSERT(tnl->Driver.RenderPrimitive);
- ASSERT(tnl->Driver.PointsFunc);
- ASSERT(tnl->Driver.LineFunc);
- ASSERT(tnl->Driver.TriangleFunc);
- ASSERT(tnl->Driver.QuadFunc);
- ASSERT(tnl->Driver.ResetLineStipple);
- ASSERT(tnl->Driver.RenderInterp);
- ASSERT(tnl->Driver.RenderCopyPV);
- ASSERT(tnl->Driver.RenderClippedLine);
- ASSERT(tnl->Driver.RenderClippedPolygon);
- ASSERT(tnl->Driver.RenderFinish);
+ ASSERT(tnl->Driver.Render.BuildVertices);
+ ASSERT(tnl->Driver.Render.PrimitiveNotify);
+ ASSERT(tnl->Driver.Render.Points);
+ ASSERT(tnl->Driver.Render.Line);
+ ASSERT(tnl->Driver.Render.Triangle);
+ ASSERT(tnl->Driver.Render.Quad);
+ ASSERT(tnl->Driver.Render.ResetLineStipple);
+ ASSERT(tnl->Driver.Render.Interp);
+ ASSERT(tnl->Driver.Render.CopyPV);
+ ASSERT(tnl->Driver.Render.ClippedLine);
+ ASSERT(tnl->Driver.Render.ClippedPolygon);
+ ASSERT(tnl->Driver.Render.Finish);
- tnl->Driver.BuildProjectedVertices( ctx, 0, VB->Count, new_inputs );
+ tnl->Driver.Render.BuildVertices( ctx, 0, VB->Count, new_inputs );
if (VB->ClipOrMask) {
tab = VB->Elts ? clip_render_tab_elts : clip_render_tab_verts;
clip_render_tab_elts[GL_TRIANGLES] = clip_elt_triangles;
}
else {
- tab = VB->Elts ? tnl->Driver.RenderTabElts : tnl->Driver.RenderTabVerts;
+ tab = (VB->Elts ?
+ tnl->Driver.Render.PrimTabElts :
+ tnl->Driver.Render.PrimTabVerts);
}
do
{
GLuint i, length, flags = 0;
- for (i = 0 ; !(flags & PRIM_LAST) ; i += length)
+ for (i = VB->FirstPrimitive ; !(flags & PRIM_LAST) ; i += length)
{
flags = VB->Primitive[i];
length= VB->PrimitiveLength[i];
ASSERT(length || (flags & PRIM_LAST));
ASSERT((flags & PRIM_MODE_MASK) <= GL_POLYGON+1);
+
+ if (MESA_VERBOSE & VERBOSE_PRIMS)
+ _mesa_debug(NULL, "MESA prim %s %d..%d\n",
+ _mesa_lookup_enum_by_nr(flags & PRIM_MODE_MASK),
+ i, i+length);
+
if (length)
tab[flags & PRIM_MODE_MASK]( ctx, i, i + length, flags );
}
- } while (tnl->Driver.MultipassFunc &&
- tnl->Driver.MultipassFunc( ctx, ++pass ));
+ } while (tnl->Driver.Render.Multipass &&
+ tnl->Driver.Render.Multipass( ctx, ++pass ));
- tnl->Driver.RenderFinish( ctx );
-/* usleep(100000); */
+ tnl->Driver.Render.Finish( ctx );
+/* _swrast_flush(ctx); */
+/* usleep(1000000); */
return GL_FALSE; /* finished the pipe */
}
*/
static void check_render( GLcontext *ctx, struct gl_pipeline_stage *stage )
{
- GLuint inputs = VERT_CLIP;
+ GLuint inputs = VERT_BIT_CLIP;
GLuint i;
if (ctx->Visual.rgbMode) {
- inputs |= VERT_RGBA;
+ inputs |= VERT_BIT_COLOR0;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
- inputs |= VERT_SPEC_RGB;
+ inputs |= VERT_BIT_COLOR1;
- if (ctx->Texture._ReallyEnabled) {
+ if (ctx->Texture._EnabledUnits) {
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled)
- inputs |= VERT_TEX(i);
+ inputs |= VERT_BIT_TEX(i);
}
}
}
else {
- inputs |= VERT_INDEX;
+ inputs |= VERT_BIT_INDEX;
}
if (ctx->Point._Attenuated)
- inputs |= VERT_POINT_SIZE;
+ inputs |= VERT_BIT_POINT_SIZE;
/* How do drivers turn this off?
*/
if (ctx->Fog.Enabled)
- inputs |= VERT_FOG_COORD;
+ inputs |= VERT_BIT_FOG;
if (ctx->_TriangleCaps & DD_TRI_UNFILLED)
- inputs |= VERT_EDGE;
+ inputs |= VERT_BIT_EDGEFLAG;
if (ctx->RenderMode==GL_FEEDBACK)
- inputs |= VERT_TEX_ANY;
+ inputs |= VERT_BITS_TEX_ANY;
stage->inputs = inputs;
}
const struct gl_pipeline_stage _tnl_render_stage =
{
- "render",
+ "render", /* name */
(_NEW_BUFFERS |
_DD_NEW_SEPARATE_SPECULAR |
_DD_NEW_FLATSHADE |
_DD_NEW_TRI_UNFILLED |
_NEW_RENDERMODE), /* re-check (new inputs, interp function) */
0, /* re-run (always runs) */
- GL_TRUE, /* active */
- 0, 0, /* inputs (set in check_render), outputs */
- 0, 0, /* changed_inputs, private */
+ GL_TRUE, /* active? */
+ 0, /* inputs (set in check_render) */
+ 0, /* outputs */
+ 0, /* changed_inputs */
+ NULL, /* private data */
dtr, /* destructor */
check_render, /* check */
run_render /* run */
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