/* Calculate interpolants for triangle and line rasterization.
*/
static void upload_sf_prog(struct brw_context *brw)
{
GLcontext *ctx = &brw->intel.ctx;
struct brw_sf_prog_key key;
memset(&key, 0, sizeof(key));
/* Populate the key, noting state dependencies:
*/
/* CACHE_NEW_VS_PROG */
key.attrs = brw->vs.prog_data->outputs_written;
/* BRW_NEW_REDUCED_PRIMITIVE */
switch (brw->intel.reduced_primitive) {
case GL_TRIANGLES:
/* NOTE: We just use the edgeflag attribute as an indicator that
* unfilled triangles are active. We don't actually do the
* edgeflag testing here, it is already done in the clip
* program.
*/
if (key.attrs & (1<<VERT_RESULT_EDGE))
key.primitive = SF_UNFILLED_TRIS;
else
key.primitive = SF_TRIANGLES;
break;
case GL_LINES:
key.primitive = SF_LINES;
break;
case GL_POINTS:
key.primitive = SF_POINTS;
break;
}
key.do_point_sprite = ctx->Point.PointSprite;
key.SpriteOrigin = ctx->Point.SpriteOrigin;
/* _NEW_LIGHT */
key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
key.do_twoside_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);
/* _NEW_POLYGON */
if (key.do_twoside_color) {
/* If we're rendering to a FBO, we have to invert the polygon
* face orientation, just as we invert the viewport in
* sf_unit_create_from_key(). ctx->DrawBuffer->Name will be
* nonzero if we're rendering to such an FBO.
*/
key.frontface_ccw = (ctx->Polygon.FrontFace == GL_CCW) ^ (ctx->DrawBuffer->Name != 0);
}
dri_bo_unreference(brw->sf.prog_bo);
brw->sf.prog_bo = brw_search_cache(&brw->cache, BRW_SF_PROG,
&key, sizeof(key),
NULL, 0,
&brw->sf.prog_data);
if (brw->sf.prog_bo == NULL)
compile_sf_prog( brw, &key );
}
/* Calculate interpolants for triangle and line rasterization.
*/
void
brw_upload_sf_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_sf_prog_key key;
if (!brw_state_dirty(brw,
_NEW_BUFFERS |
_NEW_HINT |
_NEW_LIGHT |
_NEW_POINT |
_NEW_POLYGON |
_NEW_PROGRAM |
_NEW_TRANSFORM,
BRW_NEW_BLORP |
BRW_NEW_FS_PROG_DATA |
BRW_NEW_REDUCED_PRIMITIVE |
BRW_NEW_VUE_MAP_GEOM_OUT))
return;
/* _NEW_BUFFERS */
bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
memset(&key, 0, sizeof(key));
/* Populate the key, noting state dependencies:
*/
/* BRW_NEW_VUE_MAP_GEOM_OUT */
key.attrs = brw->vue_map_geom_out.slots_valid;
/* BRW_NEW_REDUCED_PRIMITIVE */
switch (brw->reduced_primitive) {
case GL_TRIANGLES:
/* NOTE: We just use the edgeflag attribute as an indicator that
* unfilled triangles are active. We don't actually do the
* edgeflag testing here, it is already done in the clip
* program.
*/
if (key.attrs & BITFIELD64_BIT(VARYING_SLOT_EDGE))
key.primitive = BRW_SF_PRIM_UNFILLED_TRIS;
else
key.primitive = BRW_SF_PRIM_TRIANGLES;
break;
case GL_LINES:
key.primitive = BRW_SF_PRIM_LINES;
break;
case GL_POINTS:
key.primitive = BRW_SF_PRIM_POINTS;
break;
}
/* _NEW_TRANSFORM */
key.userclip_active = (ctx->Transform.ClipPlanesEnabled != 0);
/* _NEW_POINT */
key.do_point_sprite = ctx->Point.PointSprite;
if (key.do_point_sprite) {
key.point_sprite_coord_replace = ctx->Point.CoordReplace & 0xff;
}
if (brw->programs[MESA_SHADER_FRAGMENT]->info.inputs_read &
BITFIELD64_BIT(VARYING_SLOT_PNTC)) {
key.do_point_coord = 1;
}
/*
* Window coordinates in a FBO are inverted, which means point
* sprite origin must be inverted, too.
*/
if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo)
key.sprite_origin_lower_left = true;
/* BRW_NEW_FS_PROG_DATA */
const struct brw_wm_prog_data *wm_prog_data =
brw_wm_prog_data(brw->wm.base.prog_data);
if (wm_prog_data) {
key.contains_flat_varying = wm_prog_data->contains_flat_varying;
STATIC_ASSERT(sizeof(key.interp_mode) ==
sizeof(wm_prog_data->interp_mode));
memcpy(key.interp_mode, wm_prog_data->interp_mode,
sizeof(key.interp_mode));
}
/* _NEW_LIGHT | _NEW_PROGRAM */
key.do_twoside_color = _mesa_vertex_program_two_side_enabled(ctx);
/* _NEW_POLYGON */
if (key.do_twoside_color) {
/* If we're rendering to a FBO, we have to invert the polygon
* face orientation, just as we invert the viewport in
* sf_unit_create_from_key().
*/
key.frontface_ccw = brw->polygon_front_bit == render_to_fbo;
}
if (!brw_search_cache(&brw->cache, BRW_CACHE_SF_PROG,
&key, sizeof(key),
&brw->sf.prog_offset, &brw->sf.prog_data)) {
compile_sf_prog( brw, &key );
}
}
/* Calculate interpolants for triangle and line rasterization.
*/
static void
brw_upload_sf_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_sf_prog_key key;
/* _NEW_BUFFERS */
bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
memset(&key, 0, sizeof(key));
/* Populate the key, noting state dependencies:
*/
/* BRW_NEW_VUE_MAP_GEOM_OUT */
key.attrs = brw->vue_map_geom_out.slots_valid;
/* BRW_NEW_REDUCED_PRIMITIVE */
switch (brw->reduced_primitive) {
case GL_TRIANGLES:
/* NOTE: We just use the edgeflag attribute as an indicator that
* unfilled triangles are active. We don't actually do the
* edgeflag testing here, it is already done in the clip
* program.
*/
if (key.attrs & BITFIELD64_BIT(VARYING_SLOT_EDGE))
key.primitive = SF_UNFILLED_TRIS;
else
key.primitive = SF_TRIANGLES;
break;
case GL_LINES:
key.primitive = SF_LINES;
break;
case GL_POINTS:
key.primitive = SF_POINTS;
break;
}
/* _NEW_TRANSFORM */
key.userclip_active = (ctx->Transform.ClipPlanesEnabled != 0);
/* _NEW_POINT */
key.do_point_sprite = ctx->Point.PointSprite;
if (key.do_point_sprite) {
int i;
for (i = 0; i < 8; i++) {
if (ctx->Point.CoordReplace[i])
key.point_sprite_coord_replace |= (1 << i);
}
}
if (brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(VARYING_SLOT_PNTC))
key.do_point_coord = 1;
/*
* Window coordinates in a FBO are inverted, which means point
* sprite origin must be inverted, too.
*/
if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo)
key.sprite_origin_lower_left = true;
/* BRW_NEW_INTERPOLATION_MAP */
key.interpolation_mode = brw->interpolation_mode;
/* _NEW_LIGHT | _NEW_PROGRAM */
key.do_twoside_color = ((ctx->Light.Enabled && ctx->Light.Model.TwoSide) ||
ctx->VertexProgram._TwoSideEnabled);
/* _NEW_POLYGON */
if (key.do_twoside_color) {
/* If we're rendering to a FBO, we have to invert the polygon
* face orientation, just as we invert the viewport in
* sf_unit_create_from_key().
*/
key.frontface_ccw = (ctx->Polygon.FrontFace == GL_CCW) != render_to_fbo;
}
if (!brw_search_cache(&brw->cache, BRW_SF_PROG,
&key, sizeof(key),
&brw->sf.prog_offset, &brw->sf.prog_data)) {
compile_sf_prog( brw, &key );
}
}
/* Calculate interpolants for triangle and line rasterization.
*/
static void upload_sf_prog( struct brw_context *brw )
{
const struct brw_fragment_program *fs = brw->attribs.FragmentProgram;
struct brw_sf_prog_key key;
struct tgsi_parse_context parse;
int i, done = 0;
memset(&key, 0, sizeof(key));
/* Populate the key, noting state dependencies:
*/
/* CACHE_NEW_VS_PROG */
key.vp_output_count = brw->vs.prog_data->outputs_written;
/* BRW_NEW_FS */
key.fp_input_count = brw->attribs.FragmentProgram->info.file_max[TGSI_FILE_INPUT] + 1;
/* BRW_NEW_REDUCED_PRIMITIVE */
switch (brw->reduced_primitive) {
case PIPE_PRIM_TRIANGLES:
// if (key.attrs & (1<<VERT_RESULT_EDGE))
// key.primitive = SF_UNFILLED_TRIS;
// else
key.primitive = SF_TRIANGLES;
break;
case PIPE_PRIM_LINES:
key.primitive = SF_LINES;
break;
case PIPE_PRIM_POINTS:
key.primitive = SF_POINTS;
break;
}
/* Scan fp inputs to figure out what interpolation modes are
* required for each incoming vp output. There is an assumption
* that the state tracker makes sure there is a 1:1 linkage between
* these sets of attributes (XXX: position??)
*/
tgsi_parse_init( &parse, fs->program.tokens );
while( !done &&
!tgsi_parse_end_of_tokens( &parse ) )
{
tgsi_parse_token( &parse );
switch( parse.FullToken.Token.Type ) {
case TGSI_TOKEN_TYPE_DECLARATION:
if (parse.FullToken.FullDeclaration.Declaration.File == TGSI_FILE_INPUT)
{
int first = parse.FullToken.FullDeclaration.DeclarationRange.First;
int last = parse.FullToken.FullDeclaration.DeclarationRange.Last;
int interp_mode = parse.FullToken.FullDeclaration.Declaration.Interpolate;
//int semantic = parse.FullToken.FullDeclaration.Semantic.SemanticName;
//int semantic_index = parse.FullToken.FullDeclaration.Semantic.SemanticIndex;
debug_printf("fs input %d..%d interp mode %d\n", first, last, interp_mode);
switch (interp_mode) {
case TGSI_INTERPOLATE_CONSTANT:
for (i = first; i <= last; i++)
key.const_mask |= (1 << i);
break;
case TGSI_INTERPOLATE_LINEAR:
for (i = first; i <= last; i++)
key.linear_mask |= (1 << i);
break;
case TGSI_INTERPOLATE_PERSPECTIVE:
for (i = first; i <= last; i++)
key.persp_mask |= (1 << i);
break;
default:
break;
}
/* Also need stuff for flat shading, twosided color.
*/
}
break;
default:
done = 1;
break;
}
}
/* Hack: Adjust for position. Optimize away when not required (ie
* for perspective interpolation).
*/
key.persp_mask <<= 1;
key.linear_mask <<= 1;
key.linear_mask |= 1;
key.const_mask <<= 1;
debug_printf("key.persp_mask: %x\n", key.persp_mask);
debug_printf("key.linear_mask: %x\n", key.linear_mask);
debug_printf("key.const_mask: %x\n", key.const_mask);
// key.do_point_sprite = brw->attribs.Point->PointSprite;
// key.SpriteOrigin = brw->attribs.Point->SpriteOrigin;
// key.do_flat_shading = (brw->attribs.Raster->flatshade);
// key.do_twoside_color = (brw->attribs.Light->Enabled && brw->attribs.Light->Model.TwoSide);
// if (key.do_twoside_color)
// key.frontface_ccw = (brw->attribs.Polygon->FrontFace == GL_CCW);
if (!search_cache(brw, &key))
compile_sf_prog( brw, &key );
}
