-/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_tcl.c,v 1.2 2002/12/16 16:18:55 dawes Exp $ */
/*
Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
#include "colormac.h"
#include "light.h"
-#include "array_cache/acache.h"
+#include "vbo/vbo.h"
#include "tnl/tnl.h"
#include "tnl/t_pipeline.h"
r200ContextPtr rmesa = R200_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
- GLuint inputs = VERT_BIT_POS | VERT_BIT_COLOR0;
GLuint i;
+ GLubyte *vimap_rev;
+/* use hw fixed order for simplicity, pos 0, weight 1, normal 2, fog 3,
+ color0 - color3 4-7, texcoord0 - texcoord5 8-13, pos 1 14. Must not use
+ more than 12 of those at the same time. */
+ GLubyte map_rev_fixed[15] = {255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255};
+
/* TODO: separate this from the swtnl pipeline
*/
/* NOTE: inputs != tnl->render_inputs - these are the untransformed
* inputs.
*/
+ map_rev_fixed[0] = VERT_ATTRIB_POS;
+ /* technically there is no reason we always need VA_COLOR0. In theory
+ could disable it depending on lighting, color materials, texturing... */
+ map_rev_fixed[4] = VERT_ATTRIB_COLOR0;
+
if (ctx->Light.Enabled) {
- inputs |= VERT_BIT_NORMAL;
+ map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
}
+ /* this also enables VA_COLOR1 when using separate specular
+ lighting model, which is unnecessary.
+ FIXME: OTOH, we're missing the case where a ATI_fragment_shader accesses
+ the secondary color (if lighting is disabled). The chip seems
+ misconfigured for that though elsewhere (tcl output, might lock up) */
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
- inputs |= VERT_BIT_COLOR1;
+ map_rev_fixed[5] = VERT_ATTRIB_COLOR1;
}
if ( (ctx->Fog.FogCoordinateSource == GL_FOG_COORD) && ctx->Fog.Enabled ) {
- inputs |= VERT_BIT_FOG;
+ map_rev_fixed[3] = VERT_ATTRIB_FOG;
}
for (i = 0 ; i < ctx->Const.MaxTextureUnits; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled) {
if (rmesa->TexGenNeedNormals[i]) {
- inputs |= VERT_BIT_NORMAL;
+ map_rev_fixed[2] = VERT_ATTRIB_NORMAL;
}
- inputs |= VERT_BIT_TEX(i);
+ map_rev_fixed[8 + i] = VERT_ATTRIB_TEX0 + i;
}
}
+ vimap_rev = &map_rev_fixed[0];
}
else {
- GLuint out_vtxfmt0 = 0;
- GLuint out_vtxfmt1 = 0;
+ /* vtx_tcl_output_vtxfmt_0/1 need to match configuration of "fragment
+ part", since using some vertex interpolator later which is not in
+ out_vtxfmt0/1 will lock up. It seems to be ok to write in vertex
+ prog to a not enabled output however, so just don't mess with it.
+ We only need to change compsel. */
GLuint out_compsel = 0;
GLuint vp_out = rmesa->curr_vp_hw->mesa_program.Base.OutputsWritten;
- /* can't handle other inputs, generic attribs etc. currently - should never arrive here */
- assert ((rmesa->curr_vp_hw->mesa_program.Base.InputsRead &
- ~(VERT_BIT_POS | VERT_BIT_NORMAL | VERT_BIT_COLOR0 | VERT_BIT_COLOR1 |
- VERT_BIT_FOG | VERT_BIT_TEX0 | VERT_BIT_TEX1 | VERT_BIT_TEX2 |
- VERT_BIT_TEX3 | VERT_BIT_TEX4 | VERT_BIT_TEX5)) == 0);
- inputs |= rmesa->curr_vp_hw->mesa_program.Base.InputsRead;
- /* FIXME: this is a mess. Not really sure how to set up TCL_OUTPUT_VTXFMT
- in "undefined" cases (e.g. output needed later but not written by vertex program or vice versa)
- - however misconfiguration here will almost certainly lock up the chip.
- I think at the very least we need to enable tcl outputs which we write to. Maybe even need to
- fix up a vertex program so an output needed later always gets written?
- For now just set the compsel and output_vtxfmt to the outputs written.
- However, for simplicity we assume always all 4 values are written which may not be correct
- (but I don't know if it could lead to lockups). */
+
+ vimap_rev = &rmesa->curr_vp_hw->inputmap_rev[0];
assert(vp_out & (1 << VERT_RESULT_HPOS));
- out_vtxfmt0 = R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0;
- /* FIXME: need to always enable color_0 otherwise doom3's shadow vp (?) will lock up (?) */
- out_vtxfmt0 |= R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT;
out_compsel = R200_OUTPUT_XYZW;
if (vp_out & (1 << VERT_RESULT_COL0)) {
- out_vtxfmt0 |= R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT;
out_compsel |= R200_OUTPUT_COLOR_0;
}
if (vp_out & (1 << VERT_RESULT_COL1)) {
- out_vtxfmt0 |= R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT;
out_compsel |= R200_OUTPUT_COLOR_1;
}
- /* FIXME: probably not everything is set up for fogc to work correctly */
if (vp_out & (1 << VERT_RESULT_FOGC)) {
- out_vtxfmt0 |= R200_VTX_DISCRETE_FOG;
out_compsel |= R200_OUTPUT_DISCRETE_FOG;
}
if (vp_out & (1 << VERT_RESULT_PSIZ)) {
- out_vtxfmt0 |= R200_VTX_POINT_SIZE;
out_compsel |= R200_OUTPUT_PT_SIZE;
}
for (i = VERT_RESULT_TEX0; i < VERT_RESULT_TEX6; i++) {
if (vp_out & (1 << i)) {
- out_vtxfmt1 |= 4 << ((i - VERT_RESULT_TEX0) * 3);
out_compsel |= R200_OUTPUT_TEX_0 << (i - VERT_RESULT_TEX0);
}
}
- if ((rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] != out_vtxfmt0) ||
- (rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] != out_vtxfmt1) ||
- (rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] != out_compsel)) {
+ if (rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] != out_compsel) {
R200_STATECHANGE( rmesa, vtx );
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] = out_vtxfmt0;
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] = out_vtxfmt1;
rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = out_compsel;
- /* FIXME: should restore this when disabling vertex programs maybe? */
}
}
/* Do the actual work:
*/
r200ReleaseArrays( ctx, ~0 /* stage->changed_inputs */ );
- r200EmitArrays( ctx, inputs );
+ r200EmitArrays( ctx, vimap_rev );
rmesa->tcl.Elts = VB->Elts;
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);
rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] |= R200_VTX_W0_FMT;
projects / mesa.git / blobdiff