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-rw-r--r--src/gallium/drivers/vc4/vc4_context.h2
-rw-r--r--src/gallium/drivers/vc4/vc4_draw.c2
-rw-r--r--src/gallium/drivers/vc4/vc4_program.c41
3 files changed, 33 insertions, 12 deletions
diff --git a/src/gallium/drivers/vc4/vc4_context.h b/src/gallium/drivers/vc4/vc4_context.h
index bdd174cd365..641609b65e9 100644
--- a/src/gallium/drivers/vc4/vc4_context.h
+++ b/src/gallium/drivers/vc4/vc4_context.h
@@ -227,6 +227,6 @@ void vc4_flush(struct pipe_context *pctx);
void vc4_flush_for_bo(struct pipe_context *pctx, struct vc4_bo *bo);
void vc4_emit_state(struct pipe_context *pctx);
void vc4_generate_code(struct qcompile *c);
-void vc4_update_compiled_shaders(struct vc4_context *vc4);
+void vc4_update_compiled_shaders(struct vc4_context *vc4, uint8_t prim_mode);
#endif /* VC4_CONTEXT_H */
diff --git a/src/gallium/drivers/vc4/vc4_draw.c b/src/gallium/drivers/vc4/vc4_draw.c
index ec218d379e9..3f19862f5ea 100644
--- a/src/gallium/drivers/vc4/vc4_draw.c
+++ b/src/gallium/drivers/vc4/vc4_draw.c
@@ -99,7 +99,7 @@ vc4_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info)
}
vc4_start_draw(vc4);
- vc4_update_compiled_shaders(vc4);
+ vc4_update_compiled_shaders(vc4, info->mode);
vc4_emit_state(pctx);
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index c87ea52c25e..e99abc6d3bd 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -47,6 +47,8 @@ struct tgsi_to_qir {
struct qreg *outputs;
struct qreg *uniforms;
struct qreg *consts;
+ struct qreg line_x, point_x, point_y;
+
uint32_t num_consts;
struct pipe_shader_state *shader_state;
@@ -68,6 +70,8 @@ struct vc4_fs_key {
struct vc4_key base;
enum pipe_format color_format;
bool depth_enabled;
+ bool is_points;
+ bool is_lines;
};
struct vc4_vs_key {
@@ -600,20 +604,28 @@ emit_fragcoord_input(struct tgsi_to_qir *trans, int attr)
trans->inputs[attr * 4 + 3] = qir_FRAG_RCP_W(c);
}
+static struct qreg
+emit_fragment_varying(struct tgsi_to_qir *trans, int index)
+{
+ struct qcompile *c = trans->c;
+
+ struct qreg vary = {
+ QFILE_VARY,
+ index
+ };
+
+ /* XXX: multiply by W */
+ return qir_VARY_ADD_C(c, qir_MOV(c, vary));
+}
+
static void
emit_fragment_input(struct tgsi_to_qir *trans, int attr)
{
struct qcompile *c = trans->c;
for (int i = 0; i < 4; i++) {
- struct qreg vary = {
- QFILE_VARY,
- attr * 4 + i
- };
-
- /* XXX: multiply by W */
trans->inputs[attr * 4 + i] =
- qir_VARY_ADD_C(c, qir_MOV(c, vary));
+ emit_fragment_varying(trans, attr * 4 + i);
c->num_inputs++;
}
}
@@ -906,6 +918,12 @@ vc4_shader_tgsi_to_qir(struct vc4_compiled_shader *shader, enum qstage stage,
switch (stage) {
case QSTAGE_FRAG:
trans->fs_key = (struct vc4_fs_key *)key;
+ if (trans->fs_key->is_points) {
+ trans->point_x = emit_fragment_varying(trans, 0);
+ trans->point_y = emit_fragment_varying(trans, 0);
+ } else if (trans->fs_key->is_lines) {
+ trans->line_x = emit_fragment_varying(trans, 0);
+ }
break;
case QSTAGE_VERT:
trans->vs_key = (struct vc4_vs_key *)key;
@@ -1047,13 +1065,16 @@ vc4_vs_compile(struct vc4_context *vc4, struct vc4_compiled_shader *shader,
}
static void
-vc4_update_compiled_fs(struct vc4_context *vc4)
+vc4_update_compiled_fs(struct vc4_context *vc4, uint8_t prim_mode)
{
struct vc4_fs_key local_key;
struct vc4_fs_key *key = &local_key;
memset(key, 0, sizeof(*key));
key->base.shader_state = vc4->prog.bind_fs;
+ key->is_points = (prim_mode == PIPE_PRIM_POINTS);
+ key->is_lines = (prim_mode >= PIPE_PRIM_LINES &&
+ prim_mode <= PIPE_PRIM_LINE_STRIP);
if (vc4->framebuffer.cbufs[0])
key->color_format = vc4->framebuffer.cbufs[0]->format;
@@ -1101,9 +1122,9 @@ vc4_update_compiled_vs(struct vc4_context *vc4)
}
void
-vc4_update_compiled_shaders(struct vc4_context *vc4)
+vc4_update_compiled_shaders(struct vc4_context *vc4, uint8_t prim_mode)
{
- vc4_update_compiled_fs(vc4);
+ vc4_update_compiled_fs(vc4, prim_mode);
vc4_update_compiled_vs(vc4);
}