/* Calculate interpolants for triangle and line rasterization.
*/
static void
brw_upload_clip_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_clip_prog_key key;
memset(&key, 0, sizeof(key));
/* Populate the key:
*/
/* BRW_NEW_INTERPOLATION_MAP */
key.interpolation_mode = brw->interpolation_mode;
/* BRW_NEW_REDUCED_PRIMITIVE */
key.primitive = brw->reduced_primitive;
/* BRW_NEW_VUE_MAP_GEOM_OUT */
key.attrs = brw->vue_map_geom_out.slots_valid;
/* _NEW_LIGHT */
key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
/* _NEW_TRANSFORM (also part of VUE map)*/
key.nr_userclip = _mesa_bitcount_64(ctx->Transform.ClipPlanesEnabled);
if (brw->gen == 5)
key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
else
key.clip_mode = BRW_CLIPMODE_NORMAL;
/* _NEW_POLYGON */
if (key.primitive == GL_TRIANGLES) {
if (ctx->Polygon.CullFlag &&
ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
else {
GLuint fill_front = CLIP_CULL;
GLuint fill_back = CLIP_CULL;
GLuint offset_front = 0;
GLuint offset_back = 0;
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_FRONT) {
switch (ctx->Polygon.FrontMode) {
case GL_FILL:
fill_front = CLIP_FILL;
offset_front = 0;
break;
case GL_LINE:
fill_front = CLIP_LINE;
offset_front = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_front = CLIP_POINT;
offset_front = ctx->Polygon.OffsetPoint;
break;
}
}
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_BACK) {
switch (ctx->Polygon.BackMode) {
case GL_FILL:
fill_back = CLIP_FILL;
offset_back = 0;
break;
case GL_LINE:
fill_back = CLIP_LINE;
offset_back = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_back = CLIP_POINT;
offset_back = ctx->Polygon.OffsetPoint;
break;
}
}
if (ctx->Polygon.BackMode != GL_FILL ||
ctx->Polygon.FrontMode != GL_FILL) {
key.do_unfilled = 1;
/* Most cases the fixed function units will handle. Cases where
* one or more polygon faces are unfilled will require help:
*/
key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED;
if (offset_back || offset_front) {
/* _NEW_POLYGON, _NEW_BUFFERS */
key.offset_units = ctx->Polygon.OffsetUnits * ctx->DrawBuffer->_MRD * 2;
key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD;
}
switch (ctx->Polygon.FrontFace) {
case GL_CCW:
key.fill_ccw = fill_front;
key.fill_cw = fill_back;
key.offset_ccw = offset_front;
key.offset_cw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_cw != CLIP_CULL)
key.copy_bfc_cw = 1;
break;
case GL_CW:
key.fill_cw = fill_front;
key.fill_ccw = fill_back;
key.offset_cw = offset_front;
key.offset_ccw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_ccw != CLIP_CULL)
key.copy_bfc_ccw = 1;
break;
}
}
}
}
if (!brw_search_cache(&brw->cache, BRW_CLIP_PROG,
&key, sizeof(key),
&brw->clip.prog_offset, &brw->clip.prog_data)) {
compile_clip_prog( brw, &key );
}
}
/* Calculate interpolants for triangle and line rasterization.
*/
void
brw_upload_clip_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_clip_prog_key key;
if (!brw_state_dirty(brw,
_NEW_BUFFERS |
_NEW_LIGHT |
_NEW_POLYGON |
_NEW_TRANSFORM,
BRW_NEW_BLORP |
BRW_NEW_FS_PROG_DATA |
BRW_NEW_REDUCED_PRIMITIVE |
BRW_NEW_VUE_MAP_GEOM_OUT))
return;
memset(&key, 0, sizeof(key));
/* Populate the key:
*/
/* 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;
key.contains_noperspective_varying =
wm_prog_data->contains_noperspective_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));
}
/* BRW_NEW_REDUCED_PRIMITIVE */
key.primitive = brw->reduced_primitive;
/* BRW_NEW_VUE_MAP_GEOM_OUT */
key.attrs = brw->vue_map_geom_out.slots_valid;
/* _NEW_LIGHT */
key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
/* _NEW_TRANSFORM (also part of VUE map)*/
if (ctx->Transform.ClipPlanesEnabled)
key.nr_userclip = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1;
if (brw->gen == 5)
key.clip_mode = BRW_CLIP_MODE_KERNEL_CLIP;
else
key.clip_mode = BRW_CLIP_MODE_NORMAL;
/* _NEW_POLYGON */
if (key.primitive == GL_TRIANGLES) {
if (ctx->Polygon.CullFlag &&
ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
key.clip_mode = BRW_CLIP_MODE_REJECT_ALL;
else {
GLuint fill_front = BRW_CLIP_FILL_MODE_CULL;
GLuint fill_back = BRW_CLIP_FILL_MODE_CULL;
GLuint offset_front = 0;
GLuint offset_back = 0;
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_FRONT) {
switch (ctx->Polygon.FrontMode) {
case GL_FILL:
fill_front = BRW_CLIP_FILL_MODE_FILL;
offset_front = 0;
break;
case GL_LINE:
fill_front = BRW_CLIP_FILL_MODE_LINE;
offset_front = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_front = BRW_CLIP_FILL_MODE_POINT;
offset_front = ctx->Polygon.OffsetPoint;
break;
}
}
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_BACK) {
switch (ctx->Polygon.BackMode) {
case GL_FILL:
fill_back = BRW_CLIP_FILL_MODE_FILL;
offset_back = 0;
break;
case GL_LINE:
fill_back = BRW_CLIP_FILL_MODE_LINE;
offset_back = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_back = BRW_CLIP_FILL_MODE_POINT;
offset_back = ctx->Polygon.OffsetPoint;
break;
}
}
if (ctx->Polygon.BackMode != GL_FILL ||
ctx->Polygon.FrontMode != GL_FILL) {
key.do_unfilled = 1;
/* Most cases the fixed function units will handle. Cases where
* one or more polygon faces are unfilled will require help:
*/
key.clip_mode = BRW_CLIP_MODE_CLIP_NON_REJECTED;
if (offset_back || offset_front) {
/* _NEW_POLYGON, _NEW_BUFFERS */
key.offset_units = ctx->Polygon.OffsetUnits * ctx->DrawBuffer->_MRD * 2;
key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD;
key.offset_clamp = ctx->Polygon.OffsetClamp * ctx->DrawBuffer->_MRD;
}
if (!brw->polygon_front_bit) {
key.fill_ccw = fill_front;
key.fill_cw = fill_back;
key.offset_ccw = offset_front;
key.offset_cw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_cw != BRW_CLIP_FILL_MODE_CULL)
key.copy_bfc_cw = 1;
} else {
key.fill_cw = fill_front;
key.fill_ccw = fill_back;
key.offset_cw = offset_front;
key.offset_ccw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_ccw != BRW_CLIP_FILL_MODE_CULL)
key.copy_bfc_ccw = 1;
}
}
}
}
if (!brw_search_cache(&brw->cache, BRW_CACHE_CLIP_PROG,
&key, sizeof(key),
&brw->clip.prog_offset, &brw->clip.prog_data)) {
compile_clip_prog( brw, &key );
}
}
/* Calculate interpolants for triangle and line rasterization.
*/
static void upload_clip_prog(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
GLcontext *ctx = &intel->ctx;
struct brw_clip_prog_key key;
memset(&key, 0, sizeof(key));
/* Populate the key:
*/
/* BRW_NEW_REDUCED_PRIMITIVE */
key.primitive = brw->intel.reduced_primitive;
/* CACHE_NEW_VS_PROG */
key.attrs = brw->vs.prog_data->outputs_written;
/* _NEW_LIGHT */
key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
/* _NEW_TRANSFORM */
key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled);
if (intel->gen == 5)
key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
else
key.clip_mode = BRW_CLIPMODE_NORMAL;
/* _NEW_POLYGON */
if (key.primitive == GL_TRIANGLES) {
if (ctx->Polygon.CullFlag &&
ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
else {
GLuint fill_front = CLIP_CULL;
GLuint fill_back = CLIP_CULL;
GLuint offset_front = 0;
GLuint offset_back = 0;
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_FRONT) {
switch (ctx->Polygon.FrontMode) {
case GL_FILL:
fill_front = CLIP_FILL;
offset_front = 0;
break;
case GL_LINE:
fill_front = CLIP_LINE;
offset_front = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_front = CLIP_POINT;
offset_front = ctx->Polygon.OffsetPoint;
break;
}
}
if (!ctx->Polygon.CullFlag ||
ctx->Polygon.CullFaceMode != GL_BACK) {
switch (ctx->Polygon.BackMode) {
case GL_FILL:
fill_back = CLIP_FILL;
offset_back = 0;
break;
case GL_LINE:
fill_back = CLIP_LINE;
offset_back = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_back = CLIP_POINT;
offset_back = ctx->Polygon.OffsetPoint;
break;
}
}
if (ctx->Polygon.BackMode != GL_FILL ||
ctx->Polygon.FrontMode != GL_FILL) {
key.do_unfilled = 1;
/* Most cases the fixed function units will handle. Cases where
* one or more polygon faces are unfilled will require help:
*/
key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED;
if (offset_back || offset_front) {
/* _NEW_POLYGON, _NEW_BUFFERS */
key.offset_units = ctx->Polygon.OffsetUnits * brw->intel.polygon_offset_scale;
key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD;
}
switch (ctx->Polygon.FrontFace) {
case GL_CCW:
key.fill_ccw = fill_front;
key.fill_cw = fill_back;
key.offset_ccw = offset_front;
key.offset_cw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_cw != CLIP_CULL)
key.copy_bfc_cw = 1;
break;
case GL_CW:
key.fill_cw = fill_front;
key.fill_ccw = fill_back;
key.offset_cw = offset_front;
key.offset_ccw = offset_back;
if (ctx->Light.Model.TwoSide &&
key.fill_ccw != CLIP_CULL)
key.copy_bfc_ccw = 1;
break;
}
}
}
}
drm_intel_bo_unreference(brw->clip.prog_bo);
brw->clip.prog_bo = brw_search_cache(&brw->cache, BRW_CLIP_PROG,
&key, sizeof(key),
NULL, 0,
&brw->clip.prog_data);
if (brw->clip.prog_bo == NULL)
compile_clip_prog( brw, &key );
}
