static void
brw_upload_gs_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_stage_state *stage_state = &brw->gs.base;
struct brw_gs_prog_key key;
/* BRW_NEW_GEOMETRY_PROGRAM */
struct brw_geometry_program *gp =
(struct brw_geometry_program *) brw->geometry_program;
if (gp == NULL) {
/* No geometry shader. Vertex data just passes straight through. */
if (brw->state.dirty.brw & BRW_NEW_VUE_MAP_VS) {
brw->vue_map_geom_out = brw->vue_map_vs;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
return;
}
struct gl_program *prog = &gp->program.Base;
memset(&key, 0, sizeof(key));
key.base.program_string_id = gp->id;
brw_setup_vec4_key_clip_info(brw, &key.base,
gp->program.Base.UsesClipDistanceOut);
/* _NEW_LIGHT | _NEW_BUFFERS */
key.base.clamp_vertex_color = ctx->Light._ClampVertexColor;
/* _NEW_TEXTURE */
brw_populate_sampler_prog_key_data(ctx, prog, stage_state->sampler_count,
&key.base.tex);
/* BRW_NEW_VUE_MAP_VS */
key.input_varyings = brw->vue_map_vs.slots_valid;
if (!brw_search_cache(&brw->cache, BRW_GS_PROG,
&key, sizeof(key),
&stage_state->prog_offset, &brw->gs.prog_data)) {
bool success = do_gs_prog(brw, ctx->Shader.CurrentGeometryProgram,
gp, &key);
assert(success);
}
brw->gs.base.prog_data = &brw->gs.prog_data->base.base;
if (memcmp(&brw->vs.prog_data->base.vue_map, &brw->vue_map_geom_out,
sizeof(brw->vue_map_geom_out)) != 0) {
brw->vue_map_geom_out = brw->gs.prog_data->base.vue_map;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
}
static void brw_upload_vs_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_vs_prog_key key;
/* BRW_NEW_VERTEX_PROGRAM */
struct brw_vertex_program *vp =
(struct brw_vertex_program *)brw->vertex_program;
struct gl_program *prog = (struct gl_program *) brw->vertex_program;
int i;
memset(&key, 0, sizeof(key));
/* Just upload the program verbatim for now. Always send it all
* the inputs it asks for, whether they are varying or not.
*/
key.base.program_string_id = vp->id;
brw_setup_vec4_key_clip_info(brw, &key.base,
vp->program.Base.UsesClipDistanceOut);
/* _NEW_POLYGON */
if (brw->gen < 6) {
key.copy_edgeflag = (ctx->Polygon.FrontMode != GL_FILL ||
ctx->Polygon.BackMode != GL_FILL);
}
/* _NEW_LIGHT | _NEW_BUFFERS */
key.base.clamp_vertex_color = ctx->Light._ClampVertexColor;
/* _NEW_POINT */
if (brw->gen < 6 && ctx->Point.PointSprite) {
for (i = 0; i < 8; i++) {
if (ctx->Point.CoordReplace[i])
key.point_coord_replace |= (1 << i);
}
}
/* _NEW_TEXTURE */
brw_populate_sampler_prog_key_data(ctx, prog, brw->vs.base.sampler_count,
&key.base.tex);
/* BRW_NEW_VERTICES */
if (brw->gen < 8 && !brw->is_haswell) {
/* Prior to Haswell, the hardware can't natively support GL_FIXED or
* 2_10_10_10_REV vertex formats. Set appropriate workaround flags.
*/
for (i = 0; i < VERT_ATTRIB_MAX; i++) {
if (!(vp->program.Base.InputsRead & BITFIELD64_BIT(i)))
continue;
uint8_t wa_flags = 0;
switch (brw->vb.inputs[i].glarray->Type) {
case GL_FIXED:
wa_flags = brw->vb.inputs[i].glarray->Size;
break;
case GL_INT_2_10_10_10_REV:
wa_flags |= BRW_ATTRIB_WA_SIGN;
/* fallthough */
case GL_UNSIGNED_INT_2_10_10_10_REV:
if (brw->vb.inputs[i].glarray->Format == GL_BGRA)
wa_flags |= BRW_ATTRIB_WA_BGRA;
if (brw->vb.inputs[i].glarray->Normalized)
wa_flags |= BRW_ATTRIB_WA_NORMALIZE;
else if (!brw->vb.inputs[i].glarray->Integer)
wa_flags |= BRW_ATTRIB_WA_SCALE;
break;
}
key.gl_attrib_wa_flags[i] = wa_flags;
}
}
if (!brw_search_cache(&brw->cache, BRW_VS_PROG,
&key, sizeof(key),
&brw->vs.base.prog_offset, &brw->vs.prog_data)) {
bool success =
do_vs_prog(brw, ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX], vp,
&key);
(void) success;
assert(success);
}
brw->vs.base.prog_data = &brw->vs.prog_data->base.base;
if (memcmp(&brw->vs.prog_data->base.vue_map, &brw->vue_map_geom_out,
sizeof(brw->vue_map_geom_out)) != 0) {
brw->vue_map_vs = brw->vs.prog_data->base.vue_map;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_VS;
if (brw->gen < 7) {
/* No geometry shader support, so the VS VUE map is the VUE map for
* the output of the "geometry" portion of the pipeline.
*/
brw->vue_map_geom_out = brw->vue_map_vs;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
}
}
