static void import_float_spec_colors( GLcontext *ctx )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
struct gl_client_array *to = &SWSETUP_CONTEXT(ctx)->ChanSecondaryColor;
do_import( VB, to, VB->SecondaryColorPtr[0] );
VB->SecondaryColorPtr[0] = to;
}
/**
* Prepare to render a vertex buffer.
* Called via tnl->Driver.Render.Start.
*/
static void
_swsetup_RenderStart( struct gl_context *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
if (swsetup->NewState & _SWSETUP_NEW_RENDERINDEX) {
_swsetup_choose_trifuncs(ctx);
}
if (swsetup->NewState & _NEW_PROGRAM) {
swsetup->last_index_bitset = 0;
}
swsetup->NewState = 0;
/* This will change if drawing unfilled tris */
_swrast_SetFacing(ctx, 0);
_swrast_render_start(ctx);
/* Important */
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
setup_vertex_format(ctx);
}
static void interp_extras( GLcontext *ctx,
GLfloat t,
GLuint dst, GLuint out, GLuint in,
GLboolean force_boundary )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (VB->ColorPtr[1]) {
INTERP_4CHAN( t,
GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], out),
GET_COLOR(VB->ColorPtr[1], in) );
if (VB->SecondaryColorPtr[1]) {
INTERP_3CHAN( t,
GET_COLOR(VB->SecondaryColorPtr[1], dst),
GET_COLOR(VB->SecondaryColorPtr[1], out),
GET_COLOR(VB->SecondaryColorPtr[1], in) );
}
}
else if (VB->IndexPtr[1]) {
VB->IndexPtr[1]->data[dst] = (GLuint) (GLint)
LINTERP( t,
(GLfloat) VB->IndexPtr[1]->data[out],
(GLfloat) VB->IndexPtr[1]->data[in] );
}
if (VB->EdgeFlag) {
VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
}
interp_tab[SWSETUP_CONTEXT(ctx)->SetupIndex](ctx, t, dst, out, in,
force_boundary);
}
void
_swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
swsetup->NewState |= new_state;
_tnl_invalidate_vertex_state( ctx, new_state );
}
void
_swsetup_Wakeup( struct gl_context *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
tnl->Driver.Render.Start = _swsetup_RenderStart;
tnl->Driver.Render.Finish = _swsetup_RenderFinish;
tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive;
tnl->Driver.Render.Interp = _tnl_interp;
tnl->Driver.Render.CopyPV = _tnl_copy_pv;
tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */
tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */
/* points */
/* line */
/* triangle */
/* quad */
tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
tnl->Driver.Render.Multipass = 0;
_tnl_invalidate_vertices( ctx, ~0 );
_tnl_need_projected_coords( ctx, GL_TRUE );
_swsetup_InvalidateState( ctx, ~0 );
swsetup->verts = (SWvertex *)tnl->clipspace.vertex_buf;
swsetup->last_index_bitset = 0;
}
/*
* We patch this function into tnl->Driver.Render.Start.
* It's called when we start rendering a vertex buffer.
*/
static void
_swsetup_RenderStart( GLcontext *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint new_state = swsetup->NewState;
if (new_state & _SWSETUP_NEW_RENDERINDEX) {
_swsetup_choose_trifuncs( ctx );
}
swsetup->NewState = 0;
_swrast_render_start( ctx );
/* Important:
*/
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
if (tnl->render_inputs != swsetup->last_index) {
GLuint index = tnl->render_inputs;
struct tnl_attr_map map[_TNL_ATTRIB_MAX];
int i, e = 0;
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, win );
if (index & _TNL_BIT_COLOR0)
EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
if (index & _TNL_BIT_COLOR1)
EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4CHAN_4F_RGBA, specular);
if (index & _TNL_BIT_FOG)
EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, fog);
if (index & _TNL_BITS_TEX_ANY) {
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
if (index & _TNL_BIT_TEX(i)) {
EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_4F, texcoord[i] );
}
}
}
if (index & _TNL_BIT_INDEX)
EMIT_ATTR( _TNL_ATTRIB_INDEX, EMIT_1F, index );
if (index & _TNL_BIT_POINTSIZE)
EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );
_tnl_install_attrs( ctx, map, e,
ctx->Viewport._WindowMap.m,
sizeof(SWvertex) );
swsetup->last_index = index;
}
}
void
_swsetup_DestroyContext( struct gl_context *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
if (swsetup) {
free(swsetup);
ctx->swsetup_context = 0;
}
_tnl_free_vertices( ctx );
}
void
_swsetup_choose_rastersetup_func(GLcontext *ctx)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
int funcindex = 0;
if (ctx->RenderMode == GL_RENDER) {
if (ctx->Visual.rgbMode) {
funcindex = COLOR;
if (ctx->Texture._ReallyEnabled & ~TEXTURE0_ANY)
funcindex |= MULTITEX;
else if (ctx->Texture._ReallyEnabled & TEXTURE0_ANY)
funcindex |= TEX0;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
funcindex |= SPEC;
}
else {
funcindex = INDEX;
}
if (ctx->Point._Attenuated)
funcindex |= POINT;
if (ctx->Fog.Enabled)
funcindex |= FOG;
}
else if (ctx->RenderMode == GL_FEEDBACK) {
if (ctx->Visual.rgbMode)
funcindex = (COLOR | TEX0); /* is feedback color subject to fogging? */
else
funcindex = INDEX;
}
else
funcindex = 0;
swsetup->SetupIndex = funcindex;
tnl->Driver.Render.BuildVertices = setup_tab[funcindex];
if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
tnl->Driver.Render.Interp = interp_extras;
tnl->Driver.Render.CopyPV = copy_pv_extras;
}
else {
tnl->Driver.Render.Interp = interp_tab[funcindex];
tnl->Driver.Render.CopyPV = copy_pv_tab[funcindex];
}
ASSERT(tnl->Driver.Render.BuildVertices);
ASSERT(tnl->Driver.Render.BuildVertices != emit_invalid);
}
/*
* Render a triangle respecting cull and shade model.
*/
static void _swsetup_render_tri(struct gl_context *ctx,
GLuint e0,
GLuint e1,
GLuint e2,
GLuint facing,
swsetup_edge_render_prim_tri render)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte *ef = VB->EdgeFlag;
SWvertex *verts = swsetup->verts;
SWvertex *v0 = &verts[e0];
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
/* cull testing */
if (ctx->Polygon.CullFlag) {
if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT)
return;
if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK)
return;
}
_swrast_SetFacing(ctx, facing);
if (ctx->Light.ShadeModel == GL_FLAT) {
GLchan c[2][4];
GLfloat s[2][4];
/* save colors/indexes for v0, v1 vertices */
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]);
/* copy v2 color/indexes to v0, v1 indexes */
COPY_CHAN4(v0->color, v2->color);
COPY_CHAN4(v1->color, v2->color);
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
render(ctx, ef, e0, e1, e2, v0, v1, v2);
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]);
}
else {
render(ctx, ef, e0, e1, e2, v0, v1, v2);
}
}
static void _swsetup_render_line_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2 )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte *ef = VB->EdgeFlag;
SWvertex *verts = swsetup->verts;
SWvertex *v0 = &verts[e0];
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLchan s[2][4];
GLuint i[2];
if (ctx->_TriangleCaps & DD_FLATSHADE) {
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
COPY_CHAN4(s[0], v0->specular);
COPY_CHAN4(s[1], v1->specular);
i[0] = v0->index;
i[1] = v1->index;
COPY_CHAN4(v0->color, v2->color);
COPY_CHAN4(v1->color, v2->color);
COPY_CHAN4(v0->specular, v2->specular);
COPY_CHAN4(v1->specular, v2->specular);
v0->index = v2->index;
v1->index = v2->index;
}
if (swsetup->render_prim == GL_POLYGON) {
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
} else {
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
}
if (ctx->_TriangleCaps & DD_FLATSHADE) {
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_CHAN4(v0->specular, s[0]);
COPY_CHAN4(v1->specular, s[1]);
v0->index = i[0];
v1->index = i[1];
}
}
static void swsetup_points( struct gl_context *ctx, GLuint first, GLuint last )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
GLuint i;
if (VB->Elts) {
for (i = first; i < last; i++)
if (VB->ClipMask[VB->Elts[i]] == 0)
_swrast_Point( ctx, &verts[VB->Elts[i]] );
}
else {
for (i = first; i < last; i++)
if (VB->ClipMask[i] == 0)
_swrast_Point( ctx, &verts[i] );
}
}
/*
* We patch this function into tnl->Driver.Render.Start.
* It's called when we start rendering a vertex buffer.
*/
static void
_swsetup_RenderStart( GLcontext *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
GLuint new_state = swsetup->NewState;
if (new_state & _SWSETUP_NEW_RENDERINDEX) {
_swsetup_choose_trifuncs( ctx );
}
if (new_state & _SWSETUP_NEW_VERTS) {
_swsetup_choose_rastersetup_func( ctx );
}
swsetup->NewState = 0;
_swrast_render_start( ctx );
}
/**
* Tell the tnl module how to build SWvertex objects for swrast.
* We'll build the map[] array with that info and pass it to
* _tnl_install_attrs().
*/
static void
setup_vertex_format(struct gl_context *ctx)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
GLboolean intColors = ctx->RenderMode == GL_RENDER
&& CHAN_TYPE != GL_FLOAT;
if (intColors != swsetup->intColors ||
tnl->render_inputs_bitset != swsetup->last_index_bitset) {
GLbitfield64 index_bitset = tnl->render_inputs_bitset;
struct tnl_attr_map map[_TNL_ATTRIB_MAX];
unsigned e = 0;
swsetup->intColors = intColors;
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, attrib[FRAG_ATTRIB_WPOS] );
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR)) {
if (swsetup->intColors)
EMIT_ATTR( _TNL_ATTRIB_COLOR, EMIT_4CHAN_4F_RGBA, color );
else
EMIT_ATTR( _TNL_ATTRIB_COLOR, EMIT_4F, attrib[FRAG_ATTRIB_COL]);
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, attrib[FRAG_ATTRIB_FOGC]);
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX)) {
EMIT_ATTR( _TNL_ATTRIB_TEX, EMIT_4F,
attrib[FRAG_ATTRIB_TEX] );
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE))
EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );
_tnl_install_attrs( ctx, map, e,
ctx->Viewport._WindowMap.m,
sizeof(SWvertex) );
swsetup->last_index_bitset = index_bitset;
}
}
void
_swsetup_DestroyContext( GLcontext *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
if (swsetup) {
if (swsetup->verts)
ALIGN_FREE(swsetup->verts);
if (swsetup->ChanSecondaryColor.Ptr)
ALIGN_FREE(swsetup->ChanSecondaryColor.Ptr);
if (swsetup->ChanColor.Ptr)
ALIGN_FREE(swsetup->ChanColor.Ptr);
FREE(swsetup);
ctx->swsetup_context = 0;
}
}
static void copy_pv_extras( GLcontext *ctx, GLuint dst, GLuint src )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
if (VB->ColorPtr[1]) {
COPY_CHAN4( GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], src) );
if (VB->SecondaryColorPtr[1]) {
COPY_3V( GET_COLOR(VB->SecondaryColorPtr[1], dst),
GET_COLOR(VB->SecondaryColorPtr[1], src) );
}
}
else if (VB->IndexPtr[1]) {
VB->IndexPtr[1]->data[dst] = VB->IndexPtr[1]->data[src];
}
copy_pv_tab[SWSETUP_CONTEXT(ctx)->SetupIndex](ctx, dst, src);
}
/**
* Prepare to render a vertex buffer.
* Called via tnl->Driver.Render.Start.
*/
static void
_swsetup_RenderStart( struct gl_context *ctx )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
if (swsetup->NewState & _SWSETUP_NEW_RENDERINDEX) {
_swsetup_choose_trifuncs(ctx);
}
swsetup->NewState = 0;
_swrast_render_start(ctx);
/* Important */
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
setup_vertex_format(ctx);
}
/*
* Render a triangle using lines and respecting edge flags.
*/
static void
_swsetup_edge_render_line_tri(struct gl_context *ctx,
const GLubyte *ef,
GLuint e0,
GLuint e1,
GLuint e2,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
if (swsetup->render_prim == GL_POLYGON) {
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
} else {
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
}
}
/**
* Tell the tnl module how to build SWvertex objects for swrast.
* We'll build the map[] array with that info and pass it to
* _tnl_install_attrs().
*/
static void
setup_vertex_format(struct gl_context *ctx)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
GLboolean intColors = !ctx->FragmentProgram._Current
&& !ctx->ATIFragmentShader._Enabled
&& ctx->RenderMode == GL_RENDER
&& CHAN_TYPE != GL_FLOAT;
if (intColors != swsetup->intColors ||
tnl->render_inputs_bitset != swsetup->last_index_bitset) {
GLbitfield64 index_bitset = tnl->render_inputs_bitset;
struct tnl_attr_map map[_TNL_ATTRIB_MAX];
unsigned int i, e = 0;
swsetup->intColors = intColors;
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, attrib[VARYING_SLOT_POS] );
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR0)) {
if (swsetup->intColors)
EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
else
EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F, attrib[VARYING_SLOT_COL0]);
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR1)) {
EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F, attrib[VARYING_SLOT_COL1]);
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
const GLint emit = ctx->FragmentProgram._Current ? EMIT_4F : EMIT_1F;
EMIT_ATTR( _TNL_ATTRIB_FOG, emit, attrib[VARYING_SLOT_FOGC]);
}
if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX))
{
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX(i))) {
EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F,
attrib[VARYING_SLOT_TEX0 + i] );
}
}
}
/* shader varying vars */
if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_GENERIC0, _TNL_NUM_GENERIC)) {
for (i = 0; i < ctx->Const.MaxVarying; i++) {
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_GENERIC(i))) {
EMIT_ATTR( _TNL_ATTRIB_GENERIC(i), VARYING_EMIT_STYLE,
attrib[VARYING_SLOT_VAR0 + i] );
}
}
}
if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE))
EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );
_tnl_install_attrs( ctx, map, e,
ctx->Viewport._WindowMap.m,
sizeof(SWvertex) );
swsetup->last_index_bitset = index_bitset;
}
}
static void swsetup_line( struct gl_context *ctx, GLuint v0, GLuint v1 )
{
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
_swrast_Line( ctx, &verts[v0], &verts[v1] );
}
void
_swsetup_InvalidateState( GLcontext *ctx, GLuint new_state )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
swsetup->NewState |= new_state;
}
static void
_swsetup_RenderPrimitive( struct gl_context *ctx, GLenum mode )
{
SWSETUP_CONTEXT(ctx)->render_prim = mode;
_swrast_render_primitive( ctx, mode );
}
static void
_swsetup_RenderPrimitive( GLcontext *ctx, GLenum mode )
{
SWSETUP_CONTEXT(ctx)->render_prim = mode;
}