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-rw-r--r--src/mesa/drivers/dri/r200/r200_context.c4
-rw-r--r--src/mesa/drivers/dri/r200/r200_context.h5
-rw-r--r--src/mesa/drivers/dri/r200/r200_maos_arrays.c56
-rw-r--r--src/mesa/drivers/dri/r200/r200_state.c33
-rw-r--r--src/mesa/drivers/dri/r200/r200_swtcl.c7
-rw-r--r--src/mesa/drivers/dri/r200/r200_tcl.c96
-rw-r--r--src/mesa/drivers/dri/r200/r200_tcl.h4
-rw-r--r--src/mesa/drivers/dri/r200/r200_vtxfmt.c37
-rw-r--r--src/mesa/drivers/dri/r200/r200_vtxfmt_c.c33
9 files changed, 266 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
index 0868febc34..d5d2ce150a 100644
--- a/src/mesa/drivers/dri/r200/r200_context.c
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -131,6 +131,7 @@ static const char * const card_extensions[] =
"GL_ARB_vertex_buffer_object",
"GL_EXT_blend_minmax",
"GL_EXT_blend_subtract",
+ "GL_EXT_fog_coord",
"GL_EXT_secondary_color",
"GL_EXT_stencil_wrap",
"GL_EXT_texture_edge_clamp",
@@ -252,6 +253,9 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
if ( !rmesa )
return GL_FALSE;
+
+ /* init exp fog table data */
+ r200InitStaticFogData();
/* Parse configuration files.
* Do this here so that initialMaxAnisotropy is set before we create
diff --git a/src/mesa/drivers/dri/r200/r200_context.h b/src/mesa/drivers/dri/r200/r200_context.h
index af07653244..9af5c9390a 100644
--- a/src/mesa/drivers/dri/r200/r200_context.h
+++ b/src/mesa/drivers/dri/r200/r200_context.h
@@ -731,6 +731,8 @@ struct dfn_lists {
struct dynfn MultiTexCoord2fvARB;
struct dynfn MultiTexCoord1fARB;
struct dynfn MultiTexCoord1fvARB;
+ struct dynfn FogCoordfEXT;
+ struct dynfn FogCoordfvEXT;
};
struct dfn_generators {
@@ -764,6 +766,8 @@ struct dfn_generators {
struct dynfn *(*MultiTexCoord2fvARB)( GLcontext *, const int * );
struct dynfn *(*MultiTexCoord1fARB)( GLcontext *, const int * );
struct dynfn *(*MultiTexCoord1fvARB)( GLcontext *, const int * );
+ struct dynfn *(*FogCoordfEXT)( GLcontext *, const int * );
+ struct dynfn *(*FogCoordfvEXT)( GLcontext *, const int * );
};
@@ -797,6 +801,7 @@ struct r200_vbinfo {
GLfloat *normalptr;
GLfloat *floatcolorptr;
+ GLfloat *fogptr;
r200_color_t *colorptr;
GLfloat *floatspecptr;
r200_color_t *specptr;
diff --git a/src/mesa/drivers/dri/r200/r200_maos_arrays.c b/src/mesa/drivers/dri/r200/r200_maos_arrays.c
index 0f8ca3048e..12ea462a40 100644
--- a/src/mesa/drivers/dri/r200/r200_maos_arrays.c
+++ b/src/mesa/drivers/dri/r200/r200_maos_arrays.c
@@ -49,6 +49,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "r200_state.h"
#include "r200_swtcl.h"
#include "r200_maos.h"
+#include "r200_tcl.h"
#if 0
@@ -175,7 +176,47 @@ do { \
#endif
+static void emit_vecfog( GLcontext *ctx,
+ struct r200_dma_region *rvb,
+ char *data,
+ int stride,
+ int count )
+{
+ int i;
+ GLfloat *out;
+ r200ContextPtr rmesa = R200_CONTEXT(ctx);
+
+ if (R200_DEBUG & DEBUG_VERTS)
+ fprintf(stderr, "%s count %d stride %d\n",
+ __FUNCTION__, count, stride);
+
+ assert (!rvb->buf);
+
+ if (stride == 0) {
+ r200AllocDmaRegion( rmesa, rvb, 4, 4 );
+ count = 1;
+ rvb->aos_start = GET_START(rvb);
+ rvb->aos_stride = 0;
+ rvb->aos_size = 1;
+ }
+ else {
+ r200AllocDmaRegion( rmesa, rvb, count * 4, 4 ); /* alignment? */
+ rvb->aos_start = GET_START(rvb);
+ rvb->aos_stride = 1;
+ rvb->aos_size = 1;
+ }
+
+ /* Emit the data
+ */
+ out = (GLfloat *)(rvb->address + rvb->start);
+ for (i = 0; i < count; i++) {
+ out[0] = r200ComputeFogBlendFactor( ctx, *(GLfloat *)data );
+ out++;
+ data += stride;
+ }
+
+}
static void emit_vec4( GLcontext *ctx,
@@ -378,6 +419,18 @@ void r200EmitArrays( GLcontext *ctx, GLuint inputs )
component[nr++] = &rmesa->tcl.norm;
}
+ if (inputs & VERT_BIT_FOG) {
+ if (!rmesa->tcl.fog.buf)
+ emit_vecfog( ctx,
+ &(rmesa->tcl.fog),
+ (char *)VB->FogCoordPtr->data,
+ VB->FogCoordPtr->stride,
+ count);
+
+ vfmt0 |= R200_VTX_DISCRETE_FOG;
+ component[nr++] = &rmesa->tcl.fog;
+ }
+
if (inputs & VERT_BIT_COLOR0) {
int emitsize;
@@ -460,6 +513,9 @@ void r200ReleaseArrays( GLcontext *ctx, GLuint newinputs )
if (newinputs & VERT_BIT_NORMAL)
r200ReleaseDmaRegion( rmesa, &rmesa->tcl.norm, __FUNCTION__ );
+
+ if (newinputs & VERT_BIT_FOG)
+ r200ReleaseDmaRegion( rmesa, &rmesa->tcl.fog, __FUNCTION__ );
if (newinputs & VERT_BIT_COLOR0)
r200ReleaseDmaRegion( rmesa, &rmesa->tcl.rgba, __FUNCTION__ );
diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index 825c036e27..7701256edf 100644
--- a/src/mesa/drivers/dri/r200/r200_state.c
+++ b/src/mesa/drivers/dri/r200/r200_state.c
@@ -468,10 +468,37 @@ static void r200Fogfv( GLcontext *ctx, GLenum pname, const GLfloat *param )
rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_COLOR_MASK;
rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= i;
break;
- case GL_FOG_COORDINATE_SOURCE_EXT:
- /* What to do?
- */
+ case GL_FOG_COORD_SRC: {
+ GLuint fmt_0 = rmesa->hw.vtx.cmd[VTX_VTXFMT_0];
+ GLuint out_0 = rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0];
+ GLuint fog = rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR];
+
+ fog &= ~R200_FOG_USE_MASK;
+ if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) {
+ fog |= R200_FOG_USE_VTX_FOG;
+ fmt_0 |= R200_VTX_DISCRETE_FOG;
+ out_0 |= R200_VTX_DISCRETE_FOG;
+ }
+ else {
+ fog |= R200_FOG_USE_SPEC_ALPHA;
+ fmt_0 &= ~R200_VTX_DISCRETE_FOG;
+ out_0 &= ~R200_VTX_DISCRETE_FOG;
+ }
+
+ if ( fog != rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] ) {
+ R200_STATECHANGE( rmesa, ctx );
+ rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] = fog;
+ }
+
+ if ( (fmt_0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0])
+ || (out_0 != rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0])) {
+ R200_STATECHANGE( rmesa, vtx );
+ rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0;
+ rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] = out_0;
+ }
+
break;
+ }
default:
return;
}
diff --git a/src/mesa/drivers/dri/r200/r200_swtcl.c b/src/mesa/drivers/dri/r200/r200_swtcl.c
index 4c6f19da4f..7fb91a0730 100644
--- a/src/mesa/drivers/dri/r200/r200_swtcl.c
+++ b/src/mesa/drivers/dri/r200/r200_swtcl.c
@@ -172,7 +172,12 @@ static void r200SetVertexFormat( GLcontext *ctx )
}
}
-
+ if ( (rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] & R200_FOG_USE_MASK)
+ != R200_FOG_USE_SPEC_ALPHA ) {
+ R200_STATECHANGE( rmesa, ctx );
+ rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_USE_MASK;
+ rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= R200_FOG_USE_SPEC_ALPHA;
+ }
if ( rmesa->tnl_index != index ||
(rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0) ||
diff --git a/src/mesa/drivers/dri/r200/r200_tcl.c b/src/mesa/drivers/dri/r200/r200_tcl.c
index 78d16ed0f3..d2dfc5fda1 100644
--- a/src/mesa/drivers/dri/r200/r200_tcl.c
+++ b/src/mesa/drivers/dri/r200/r200_tcl.c
@@ -269,6 +269,90 @@ void r200TclPrimitive( GLcontext *ctx,
/**********************************************************************/
+/* Fog blend factor computation for hw tcl */
+/* same calculation used as in t_vb_fog.c */
+/**********************************************************************/
+
+#define FOG_EXP_TABLE_SIZE 256
+#define FOG_MAX (10.0)
+#define EXP_FOG_MAX .0006595
+#define FOG_INCR (FOG_MAX/FOG_EXP_TABLE_SIZE)
+static GLfloat exp_table[FOG_EXP_TABLE_SIZE];
+
+#if 1
+#define NEG_EXP( result, narg ) \
+do { \
+ GLfloat f = (GLfloat) (narg * (1.0/FOG_INCR)); \
+ GLint k = (GLint) f; \
+ if (k > FOG_EXP_TABLE_SIZE-2) \
+ result = (GLfloat) EXP_FOG_MAX; \
+ else \
+ result = exp_table[k] + (f-k)*(exp_table[k+1]-exp_table[k]); \
+} while (0)
+#else
+#define NEG_EXP( result, narg ) \
+do { \
+ result = exp(-narg); \
+} while (0)
+#endif
+
+
+/**
+ * Initialize the exp_table[] lookup table for approximating exp().
+ */
+void
+r200InitStaticFogData( void )
+{
+ GLfloat f = 0.0F;
+ GLint i = 0;
+ for ( ; i < FOG_EXP_TABLE_SIZE ; i++, f += FOG_INCR) {
+ exp_table[i] = (GLfloat) exp(-f);
+ }
+}
+
+
+/**
+ * Compute per-vertex fog blend factors from fog coordinates by
+ * evaluating the GL_LINEAR, GL_EXP or GL_EXP2 fog function.
+ * Fog coordinates are distances from the eye (typically between the
+ * near and far clip plane distances).
+ * Note the fog (eye Z) coords may be negative so we use ABS(z) below.
+ * Fog blend factors are in the range [0,1].
+ */
+float
+r200ComputeFogBlendFactor( GLcontext *ctx, GLfloat fogcoord )
+{
+ GLfloat end = ctx->Fog.End;
+ GLfloat d, temp;
+ const GLfloat z = FABSF(fogcoord);
+
+ switch (ctx->Fog.Mode) {
+ case GL_LINEAR:
+ if (ctx->Fog.Start == ctx->Fog.End)
+ d = 1.0F;
+ else
+ d = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+ temp = (end - z) * d;
+ return CLAMP(temp, 0.0F, 1.0F);
+ break;
+ case GL_EXP:
+ d = ctx->Fog.Density;
+ NEG_EXP( temp, d * z );
+ return temp;
+ break;
+ case GL_EXP2:
+ d = ctx->Fog.Density*ctx->Fog.Density;
+ NEG_EXP( temp, d * z * z );
+ return temp;
+ break;
+ default:
+ _mesa_problem(ctx, "Bad fog mode in make_fog_coord");
+ return 0;
+ }
+}
+
+
+/**********************************************************************/
/* Render pipeline stage */
/**********************************************************************/
@@ -349,6 +433,10 @@ static void r200_check_tcl_render( GLcontext *ctx,
}
}
+ if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) {
+ inputs |= VERT_BIT_FOG;
+ }
+
for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++) {
if (ctx->Texture.Unit[unit]._ReallyEnabled) {
if (rmesa->TexGenNeedNormals[unit]) {
@@ -457,6 +545,14 @@ static void transition_to_hwtnl( GLcontext *ctx )
rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] |= R200_VAP_TCL_ENABLE;
rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] &= ~R200_VAP_FORCE_W_TO_ONE;
+ if ( ((rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] & R200_FOG_USE_MASK)
+ == R200_FOG_USE_SPEC_ALPHA) &&
+ (ctx->Fog.FogCoordinateSource == GL_FOG_COORD )) {
+ R200_STATECHANGE( rmesa, ctx );
+ rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_USE_MASK;
+ rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= R200_FOG_USE_VTX_FOG;
+ }
+
R200_STATECHANGE( rmesa, vte );
rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] &= ~(R200_VTX_XY_FMT|R200_VTX_Z_FMT);
diff --git a/src/mesa/drivers/dri/r200/r200_tcl.h b/src/mesa/drivers/dri/r200/r200_tcl.h
index b6ec8e28f8..7dd43bf7fa 100644
--- a/src/mesa/drivers/dri/r200/r200_tcl.h
+++ b/src/mesa/drivers/dri/r200/r200_tcl.h
@@ -47,6 +47,10 @@ extern void r200EmitPrimitive( GLcontext *ctx, GLuint first, GLuint last,
GLuint flags );
extern void r200TclFallback( GLcontext *ctx, GLuint bit, GLboolean mode );
+
+extern void r200InitStaticFogData( void );
+
+extern float r200ComputeFogBlendFactor( GLcontext *ctx, GLfloat fogcoord );
#define R200_TCL_FALLBACK_RASTER 0x1 /* rasterization */
#define R200_TCL_FALLBACK_UNFILLED 0x2 /* unfilled tris */
diff --git a/src/mesa/drivers/dri/r200/r200_vtxfmt.c b/src/mesa/drivers/dri/r200/r200_vtxfmt.c
index 7a2fa35d44..fde2141026 100644
--- a/src/mesa/drivers/dri/r200/r200_vtxfmt.c
+++ b/src/mesa/drivers/dri/r200/r200_vtxfmt.c
@@ -100,6 +100,8 @@ static void count_funcs( r200ContextPtr rmesa )
count_func( "MultiTexCoord2fvARB", &rmesa->vb.dfn_cache.MultiTexCoord2fvARB );
count_func( "MultiTexCoord1fARB", &rmesa->vb.dfn_cache.MultiTexCoord1fARB );
count_func( "MultiTexCoord1fvARB", &rmesa->vb.dfn_cache.MultiTexCoord1fvARB );
+/* count_func( "FogCoordfEXT", &rmesa->vb.dfn_cache.FogCoordfEXT );
+ count_func( "FogCoordfvEXT", &rmesa->vb.dfn_cache.FogCoordfvEXT );*/
}
@@ -119,6 +121,10 @@ void r200_copy_to_current( GLcontext *ctx )
ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2] = rmesa->vb.normalptr[2];
}
+ if (rmesa->vb.vtxfmt_0 & R200_VTX_DISCRETE_FOG) {
+ ctx->Current.Attrib[VERT_ATTRIB_FOG][0] = rmesa->vb.fogptr[0];
+ }
+
switch( VTX_COLOR(rmesa->vb.vtxfmt_0, 0) ) {
case R200_VTX_PK_RGBA:
ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0] = UBYTE_TO_FLOAT( rmesa->vb.colorptr->red );
@@ -474,6 +480,11 @@ void VFMT_FALLBACK( const char *caller )
offset += 3;
}
+ if (ind0 & R200_VTX_DISCRETE_FOG) {
+ GL_CALL(FogCoordfvEXT)( &tmp[i][offset] );
+ offset++;
+ }
+
if (VTX_COLOR(ind0, 0) == R200_VTX_PK_RGBA) {
GL_CALL(Color4ubv)( (GLubyte *)&tmp[i][offset] );
offset++;
@@ -504,7 +515,10 @@ void VFMT_FALLBACK( const char *caller )
/* Replay current vertex
*/
if (ind0 & R200_VTX_N0)
- GL_CALL(Normal3fv)( rmesa->vb.normalptr );
+ GL_CALL(Normal3fv)( rmesa->vb.normalptr );
+ if (ind0 & R200_VTX_DISCRETE_FOG) {
+ GL_CALL(FogCoordfvEXT)( rmesa->vb.fogptr );
+ }
if (VTX_COLOR(ind0, 0) == R200_VTX_PK_RGBA) {
GL_CALL(Color4ub)( rmesa->vb.colorptr->red,
@@ -672,6 +686,10 @@ static GLboolean check_vtx_fmt( GLcontext *ctx )
}
}
+ if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) {
+ ind0 |= R200_VTX_DISCRETE_FOG;
+ }
+
for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) {
count[i] = 0;
@@ -711,6 +729,7 @@ static GLboolean check_vtx_fmt( GLcontext *ctx )
rmesa->vb.normalptr = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
rmesa->vb.colorptr = NULL;
rmesa->vb.floatcolorptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
+ rmesa->vb.fogptr = ctx->Current.Attrib[VERT_ATTRIB_FOG];
rmesa->vb.specptr = NULL;
rmesa->vb.floatspecptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
rmesa->vb.texcoordptr[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
@@ -733,6 +752,12 @@ static GLboolean check_vtx_fmt( GLcontext *ctx )
rmesa->vb.normalptr[2] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2];
}
+ if (ind0 & R200_VTX_DISCRETE_FOG) {
+ rmesa->vb.fogptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
+ rmesa->vb.vertex_size += 1;
+ rmesa->vb.fogptr[0] = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
+ }
+
if (VTX_COLOR(ind0, 0) == R200_VTX_PK_RGBA) {
rmesa->vb.colorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].color;
rmesa->vb.vertex_size += 1;
@@ -1060,8 +1085,6 @@ void r200VtxfmtInit( GLcontext *ctx, GLboolean useCodegen )
/* Not active in supported states; just keep ctx->Current uptodate:
*/
- vfmt->FogCoordfvEXT = _mesa_noop_FogCoordfvEXT;
- vfmt->FogCoordfEXT = _mesa_noop_FogCoordfEXT;
vfmt->EdgeFlag = _mesa_noop_EdgeFlag;
vfmt->EdgeFlagv = _mesa_noop_EdgeFlagv;
vfmt->Indexf = _mesa_noop_Indexf;
@@ -1094,7 +1117,9 @@ void r200VtxfmtInit( GLcontext *ctx, GLboolean useCodegen )
vfmt->VertexAttrib3fvNV = r200_fallback_VertexAttrib3fvNV;
vfmt->VertexAttrib4fNV = r200_fallback_VertexAttrib4fNV;
vfmt->VertexAttrib4fvNV = r200_fallback_VertexAttrib4fvNV;
-
+ vfmt->FogCoordfEXT = r200_fallback_FogCoordfEXT;
+ vfmt->FogCoordfvEXT = r200_fallback_FogCoordfvEXT;
+
(void)r200_fallback_vtxfmt;
TNL_CONTEXT(ctx)->Driver.NotifyBegin = r200NotifyBegin;
@@ -1133,6 +1158,8 @@ void r200VtxfmtInit( GLcontext *ctx, GLboolean useCodegen )
make_empty_list( &rmesa->vb.dfn_cache.MultiTexCoord2fvARB );
make_empty_list( &rmesa->vb.dfn_cache.MultiTexCoord1fARB );
make_empty_list( &rmesa->vb.dfn_cache.MultiTexCoord1fvARB );
+/* make_empty_list( &rmesa->vb.dfn_cache.FogCoordfEXT );
+ make_empty_list( &rmesa->vb.dfn_cache.FogCoordfvEXT );*/
r200InitCodegen( &rmesa->vb.codegen, useCodegen );
}
@@ -1192,5 +1219,7 @@ void r200VtxfmtDestroy( GLcontext *ctx )
free_funcs( &rmesa->vb.dfn_cache.MultiTexCoord2fvARB );
free_funcs( &rmesa->vb.dfn_cache.MultiTexCoord1fARB );
free_funcs( &rmesa->vb.dfn_cache.MultiTexCoord1fvARB );
+/* free_funcs( &rmesa->vb.dfn_cache.FogCoordfEXT );
+ free_funcs( &rmesa->vb.dfn_cache.FogCoordfvEXT );*/
}
diff --git a/src/mesa/drivers/dri/r200/r200_vtxfmt_c.c b/src/mesa/drivers/dri/r200/r200_vtxfmt_c.c
index 70301afb04..670a2fb05a 100644
--- a/src/mesa/drivers/dri/r200/r200_vtxfmt_c.c
+++ b/src/mesa/drivers/dri/r200/r200_vtxfmt_c.c
@@ -42,6 +42,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "vtxfmt.h"
#include "r200_vtxfmt.h"
+#include "r200_tcl.h"
/* Fallback versions of all the entrypoints for situations where
* codegen isn't available. This is still a lot faster than the
@@ -512,6 +513,27 @@ static void r200_Normal3fv( const GLfloat *v )
}
+/* FogCoord
+ */
+static void r200_FogCoordfEXT( GLfloat f )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ r200ContextPtr rmesa = R200_CONTEXT(ctx);
+ GLfloat *dest = rmesa->vb.fogptr;
+ dest[0] = r200ComputeFogBlendFactor( ctx, f );
+/* ctx->Current.Attrib[VERT_ATTRIB_FOG][0] = f;*/
+}
+
+static void r200_FogCoordfvEXT( const GLfloat *v )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ r200ContextPtr rmesa = R200_CONTEXT(ctx);
+ GLfloat *dest = rmesa->vb.fogptr;
+ dest[0] = r200ComputeFogBlendFactor( ctx, v[0] );
+/* ctx->Current.Attrib[VERT_ATTRIB_FOG][0] = v[0];*/
+}
+
+
/* TexCoord
*/
@@ -778,7 +800,8 @@ static void choose_##FN ARGS1 \
*/
#define MASK_XYZW (R200_VTX_W0|R200_VTX_Z0)
#define MASK_NORM (MASK_XYZW|R200_VTX_N0)
-#define MASK_COLOR (MASK_NORM |(R200_VTX_COLOR_MASK<<R200_VTX_COLOR_0_SHIFT))
+#define MASK_FOG (MASK_NORM |R200_VTX_DISCRETE_FOG)
+#define MASK_COLOR (MASK_FOG |(R200_VTX_COLOR_MASK<<R200_VTX_COLOR_0_SHIFT))
#define MASK_SPEC (MASK_COLOR|(R200_VTX_COLOR_MASK<<R200_VTX_COLOR_1_SHIFT))
/* VTXFMT_1
@@ -871,6 +894,10 @@ CHOOSE(Vertex2f, p2f, ~0, ~0,
CHOOSE(Vertex2fv, pfv, ~0, ~0,
(const GLfloat *v), (v))
+CHOOSE(FogCoordfEXT, p1f, MASK_FOG, ~0,
+ (GLfloat f), (f))
+CHOOSE(FogCoordfvEXT, pfv, MASK_FOG, ~0,
+ (const GLfloat *f), (f))
@@ -901,6 +928,8 @@ void r200VtxfmtInitChoosers( GLvertexformat *vfmt )
vfmt->Vertex2fv = choose_Vertex2fv;
vfmt->Vertex3f = choose_Vertex3f;
vfmt->Vertex3fv = choose_Vertex3fv;
+/* vfmt->FogCoordfEXT = choose_FogCoordfEXT;
+ vfmt->FogCoordfvEXT = choose_FogCoordfvEXT;*/
/* TODO: restore ubyte colors to vtxfmt.
*/
@@ -943,6 +972,8 @@ void r200InitCodegen( struct dfn_generators *gen, GLboolean useCodegen )
gen->MultiTexCoord2fvARB = codegen_noop;
gen->MultiTexCoord1fARB = codegen_noop;
gen->MultiTexCoord1fvARB = codegen_noop;
+/* gen->FogCoordfEXT = codegen_noop;
+ gen->FogCoordfvEXT = codegen_noop;*/
gen->Vertex2f = codegen_noop;
gen->Vertex2fv = codegen_noop;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 10:58:30 +0000