[Mesa-dev] [PATCH 01/26] i965/meta: Split conversion of color and setting it
Topi Pohjolainen
topi.pohjolainen at gmail.com
Tue Oct 11 19:26:33 UTC 2016
And fix a mangled comment while at it.
Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
CC: Ben Widawsky <benjamin.widawsky at intel.com>
CC: Jason Ekstrand <jason.ekstrand at intel.com>
---
src/mesa/drivers/dri/i965/brw_blorp.c | 7 +++-
src/mesa/drivers/dri/i965/brw_meta_util.c | 56 +++++++++++++++++--------------
src/mesa/drivers/dri/i965/brw_meta_util.h | 10 ++++--
3 files changed, 45 insertions(+), 28 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index b6c27982..f301192 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -809,12 +809,17 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
brw, irb->mt);
if (can_fast_clear) {
+ union gl_color_union override_color;
+ brw_meta_convert_fast_clear_color(brw, irb->mt, &ctx->Color.ClearColor,
+ &override_color);
+
/* Record the clear color in the miptree so that it will be
* programmed in SURFACE_STATE by later rendering and resolve
* operations.
*/
const bool color_updated = brw_meta_set_fast_clear_color(
- brw, irb->mt, &ctx->Color.ClearColor);
+ brw, &irb->mt->gen9_fast_clear_color,
+ &override_color);
/* If the buffer is already in INTEL_FAST_CLEAR_STATE_CLEAR, and the
* buffer isn't compressed, the clear is redundant and can be skipped.
diff --git a/src/mesa/drivers/dri/i965/brw_meta_util.c b/src/mesa/drivers/dri/i965/brw_meta_util.c
index 499b6ea..1badea1 100644
--- a/src/mesa/drivers/dri/i965/brw_meta_util.c
+++ b/src/mesa/drivers/dri/i965/brw_meta_util.c
@@ -372,15 +372,14 @@ brw_is_color_fast_clear_compatible(struct brw_context *brw,
/**
* Convert the given color to a bitfield suitable for ORing into DWORD 7 of
* SURFACE_STATE (DWORD 12-15 on SKL+).
- *
- * Returned boolean tells if the given color differs from the stored.
*/
-bool
-brw_meta_set_fast_clear_color(struct brw_context *brw,
- struct intel_mipmap_tree *mt,
- const union gl_color_union *color)
+void
+brw_meta_convert_fast_clear_color(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ const union gl_color_union *color,
+ union gl_color_union *override_color)
{
- union gl_color_union override_color = *color;
+ *override_color = *color;
/* The sampler doesn't look at the format of the surface when the fast
* clear color is used so we need to implement luminance, intensity and
@@ -388,55 +387,62 @@ brw_meta_set_fast_clear_color(struct brw_context *brw,
*/
switch (_mesa_get_format_base_format(mt->format)) {
case GL_INTENSITY:
- override_color.ui[3] = override_color.ui[0];
+ override_color->ui[3] = override_color->ui[0];
/* flow through */
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
- override_color.ui[1] = override_color.ui[0];
- override_color.ui[2] = override_color.ui[0];
+ override_color->ui[1] = override_color->ui[0];
+ override_color->ui[2] = override_color->ui[0];
break;
default:
for (int i = 0; i < 3; i++) {
if (!_mesa_format_has_color_component(mt->format, i))
- override_color.ui[i] = 0;
+ override_color->ui[i] = 0;
}
break;
}
if (!_mesa_format_has_color_component(mt->format, 3)) {
if (_mesa_is_format_integer_color(mt->format))
- override_color.ui[3] = 1;
+ override_color->ui[3] = 1;
else
- override_color.f[3] = 1.0f;
+ override_color->f[3] = 1.0f;
}
- /* Handle linear→SRGB conversion */
+ /* Handle linear to SRGB conversion */
if (brw->ctx.Color.sRGBEnabled &&
_mesa_get_srgb_format_linear(mt->format) != mt->format) {
for (int i = 0; i < 3; i++) {
- override_color.f[i] =
- util_format_linear_to_srgb_float(override_color.f[i]);
+ override_color->f[i] =
+ util_format_linear_to_srgb_float(override_color->f[i]);
}
}
+}
+/* Returned boolean tells if the given color differs from the current. */
+bool
+brw_meta_set_fast_clear_color(struct brw_context *brw,
+ union gl_color_union *curr_color,
+ const union gl_color_union *new_color)
+{
bool updated;
+
if (brw->gen >= 9) {
- updated = memcmp(&mt->gen9_fast_clear_color, &override_color,
- sizeof(mt->gen9_fast_clear_color));
- mt->gen9_fast_clear_color = override_color;
+ updated = memcmp(curr_color, new_color, sizeof(*curr_color));
+ *curr_color = *new_color;
} else {
- const uint32_t old_color_value = mt->fast_clear_color_value;
+ const uint32_t old_color_value = *(uint32_t *)curr_color;
+ uint32_t adjusted = 0;
- mt->fast_clear_color_value = 0;
for (int i = 0; i < 4; i++) {
/* Testing for non-0 works for integer and float colors */
- if (override_color.f[i] != 0.0f) {
- mt->fast_clear_color_value |=
- 1 << (GEN7_SURFACE_CLEAR_COLOR_SHIFT + (3 - i));
+ if (new_color->f[i] != 0.0f) {
+ adjusted |= 1 << (GEN7_SURFACE_CLEAR_COLOR_SHIFT + (3 - i));
}
}
- updated = (old_color_value != mt->fast_clear_color_value);
+ updated = (old_color_value != adjusted);
+ *(uint32_t *)curr_color = adjusted;
}
return updated;
diff --git a/src/mesa/drivers/dri/i965/brw_meta_util.h b/src/mesa/drivers/dri/i965/brw_meta_util.h
index b9c4eac..c0e3100 100644
--- a/src/mesa/drivers/dri/i965/brw_meta_util.h
+++ b/src/mesa/drivers/dri/i965/brw_meta_util.h
@@ -42,10 +42,16 @@ brw_meta_mirror_clip_and_scissor(const struct gl_context *ctx,
GLfloat *dstX1, GLfloat *dstY1,
bool *mirror_x, bool *mirror_y);
+void
+brw_meta_convert_fast_clear_color(const struct brw_context *brw,
+ const struct intel_mipmap_tree *mt,
+ const union gl_color_union *color,
+ union gl_color_union *override_color);
+
bool
brw_meta_set_fast_clear_color(struct brw_context *brw,
- struct intel_mipmap_tree *mt,
- const union gl_color_union *color);
+ union gl_color_union *curr_color,
+ const union gl_color_union *new_color);
bool
brw_is_color_fast_clear_compatible(struct brw_context *brw,
--
2.5.5
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