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-rw-r--r--src/gallium/drivers/r300/r300_context.h11
-rw-r--r--src/gallium/drivers/r300/r300_emit.c5
-rw-r--r--src/gallium/drivers/r300/r300_state.c19
-rw-r--r--src/gallium/drivers/r300/r300_state_derived.c39
4 files changed, 52 insertions, 22 deletions
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 3b6cb8f7a11..550d3a75d27 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -447,6 +447,13 @@ enum r300_hiz_func {
HIZ_FUNC_MIN,
};
+/* For deferred fragment shader state validation. */
+enum r300_fs_validity_status {
+ FRAGMENT_SHADER_VALID, /* No need to change/validate the FS. */
+ FRAGMENT_SHADER_MAYBE_DIRTY,/* Validate the FS if external state was changed. */
+ FRAGMENT_SHADER_DIRTY /* Always validate the FS (if the FS was changed) */
+};
+
struct r300_context {
/* Parent class */
struct pipe_context context;
@@ -598,6 +605,10 @@ struct r300_context {
enum r300_hiz_func hiz_func;
/* HiZ clear value. */
uint32_t hiz_clear_value;
+ /* Whether fragment shader needs to be validated. */
+ enum r300_fs_validity_status fs_status;
+ /* Framebuffer multi-write. */
+ boolean fb_multiwrite;
void *dsa_decompress_zmask;
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 3b79b36221d..6b91f93e6d6 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -387,8 +387,7 @@ void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
if (r300->screen->caps.is_r500) {
rb3d_cctl = R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE;
}
- if (fb->nr_cbufs &&
- r300_fragment_shader_writes_all(r300_fs(r300))) {
+ if (fb->nr_cbufs && r300->fb_multiwrite) {
rb3d_cctl |= R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs);
}
@@ -483,7 +482,7 @@ void r300_emit_fb_state_pipelined(struct r300_context *r300,
/* If we use the multiwrite feature, the colorbuffers 2,3,4 must be
* marked as UNUSED in the US block. */
- if (r300_fragment_shader_writes_all(r300_fs(r300))) {
+ if (r300->fb_multiwrite) {
num_cbufs = MIN2(num_cbufs, 1);
}
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 890e3961b18..61d6751e5d3 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -969,24 +969,14 @@ static void r300_bind_fs_state(struct pipe_context* pipe, void* shader)
{
struct r300_context* r300 = r300_context(pipe);
struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
- struct pipe_framebuffer_state *fb = r300->fb_state.state;
- boolean last_multi_write;
if (fs == NULL) {
r300->fs.state = NULL;
return;
}
- last_multi_write = r300_fragment_shader_writes_all(r300_fs(r300));
-
r300->fs.state = fs;
- r300_pick_fragment_shader(r300);
- r300_mark_fs_code_dirty(r300);
-
- if (fb->nr_cbufs > 1 &&
- last_multi_write != r300_fragment_shader_writes_all(fs)) {
- r300_mark_fb_state_dirty(r300, R300_CHANGED_MULTIWRITE);
- }
+ r300->fs_status = FRAGMENT_SHADER_DIRTY;
r300_mark_atom_dirty(r300, &r300->rs_block_state); /* Will be updated before the emission. */
}
@@ -1256,8 +1246,8 @@ static void r300_bind_rs_state(struct pipe_context* pipe, void* state)
}
if (last_frag_clamp != r300->frag_clamp &&
- r300->fs.state && r300_pick_fragment_shader(r300)) {
- r300_mark_fs_code_dirty(r300);
+ r300->fs_status == FRAGMENT_SHADER_VALID) {
+ r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY;
}
}
@@ -1555,7 +1545,8 @@ static void r300_set_viewport_state(struct pipe_context* pipe,
}
r300_mark_atom_dirty(r300, &r300->viewport_state);
- if (r300->fs.state && r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED) {
+ if (r300->fs.state && r300_fs(r300)->shader &&
+ r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED) {
r300_mark_atom_dirty(r300, &r300->fs_rc_constant_state);
}
}
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index 02fc1219e95..e943f1a715f 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -961,11 +961,10 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
r300->textures_state.size = size;
/* Pick a fragment shader based on either the texture compare state
- * or the uses_pitch flag. */
- if (r300->fs.state && count) {
- if (r300_pick_fragment_shader(r300)) {
- r300_mark_fs_code_dirty(r300);
- }
+ * or the uses_pitch flag or some other external state. */
+ if (count &&
+ r300->fs_status == FRAGMENT_SHADER_VALID) {
+ r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY;
}
}
@@ -994,6 +993,34 @@ static void r300_decompress_depth_textures(struct r300_context *r300)
}
}
+static void r300_validate_fragment_shader(struct r300_context *r300)
+{
+ struct pipe_framebuffer_state *fb = r300->fb_state.state;
+
+ if (r300->fs.state && r300->fs_status != FRAGMENT_SHADER_VALID) {
+ /* Pick the fragment shader based on external states.
+ * Then mark the state dirty if the fragment shader is either dirty
+ * or the function r300_pick_fragment_shader changed the shader. */
+ if (r300_pick_fragment_shader(r300) ||
+ r300->fs_status == FRAGMENT_SHADER_DIRTY) {
+ /* Mark the state atom as dirty. */
+ r300_mark_fs_code_dirty(r300);
+
+ /* Does Multiwrite need to be changed? */
+ if (fb->nr_cbufs > 1) {
+ boolean new_multiwrite =
+ r300_fragment_shader_writes_all(r300_fs(r300));
+
+ if (r300->fb_multiwrite != new_multiwrite) {
+ r300->fb_multiwrite = new_multiwrite;
+ r300_mark_fb_state_dirty(r300, R300_CHANGED_MULTIWRITE);
+ }
+ }
+ }
+ r300->fs_status = FRAGMENT_SHADER_VALID;
+ }
+}
+
void r300_update_derived_state(struct r300_context* r300)
{
if (r300->textures_state.dirty) {
@@ -1001,6 +1028,8 @@ void r300_update_derived_state(struct r300_context* r300)
r300_merge_textures_and_samplers(r300);
}
+ r300_validate_fragment_shader(r300);
+
if (r300->rs_block_state.dirty) {
r300_update_rs_block(r300);