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panfrost/blend: Distribute to_c_factor

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Easier to understand, I think.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10393>
This commit is contained in:
Alyssa Rosenzweig
2021-04-21 12:30:09 -04:00
committed by Marge Bot
parent 613722e046
commit 120dd92e86
1 changed files with 23 additions and 26 deletions
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src/panfrost/lib/pan_blend.c
+23 -26
View File
@@ -162,41 +162,32 @@ pan_blend_can_fixed_function(const struct panfrost_device *dev,
rt_state->equation.alpha_dst_factor);
}
static void
to_c_factor(enum blend_factor factor, bool invert_factor,
struct MALI_BLEND_FUNCTION *function)
static enum mali_blend_operand_c
to_c_factor(enum blend_factor factor)
{
function->invert_c = invert_factor;
switch (factor) {
case BLEND_FACTOR_ZERO:
function->c = MALI_BLEND_OPERAND_C_ZERO;
break;
return MALI_BLEND_OPERAND_C_ZERO;
case BLEND_FACTOR_SRC_ALPHA:
function->c = MALI_BLEND_OPERAND_C_SRC_ALPHA;
break;
return MALI_BLEND_OPERAND_C_SRC_ALPHA;
case BLEND_FACTOR_DST_ALPHA:
function->c = MALI_BLEND_OPERAND_C_DEST_ALPHA;
break;
return MALI_BLEND_OPERAND_C_DEST_ALPHA;
case BLEND_FACTOR_SRC_COLOR:
function->c = MALI_BLEND_OPERAND_C_SRC;
break;
return MALI_BLEND_OPERAND_C_SRC;
case BLEND_FACTOR_DST_COLOR:
function->c = MALI_BLEND_OPERAND_C_DEST;
break;
return MALI_BLEND_OPERAND_C_DEST;
case BLEND_FACTOR_CONSTANT_COLOR:
case BLEND_FACTOR_CONSTANT_ALPHA:
function->c = MALI_BLEND_OPERAND_C_CONSTANT;
break;
default:
unreachable("Invalid blend factor");
}
return MALI_BLEND_OPERAND_C_CONSTANT;
default:
unreachable("Unsupported blend factor");
}
}
static void
@@ -214,7 +205,8 @@ to_panfrost_function(enum blend_func blend_func,
function->b = MALI_BLEND_OPERAND_B_DEST;
if (blend_func == BLEND_FUNC_SUBTRACT)
function->negate_b = true;
to_c_factor(dest_factor, invert_dest, function);
function->invert_c = invert_dest;
function->c = to_c_factor(dest_factor);
} else if (src_factor == BLEND_FACTOR_ZERO && invert_src) {
function->a = MALI_BLEND_OPERAND_A_SRC;
function->b = MALI_BLEND_OPERAND_B_DEST;
@@ -222,13 +214,15 @@ to_panfrost_function(enum blend_func blend_func,
function->negate_b = true;
else if (blend_func == BLEND_FUNC_REVERSE_SUBTRACT)
function->negate_a = true;
to_c_factor(dest_factor, invert_dest, function);
function->invert_c = invert_dest;
function->c = to_c_factor(dest_factor);
} else if (dest_factor == BLEND_FACTOR_ZERO && !invert_dest) {
function->a = MALI_BLEND_OPERAND_A_ZERO;
function->b = MALI_BLEND_OPERAND_B_SRC;
if (blend_func == BLEND_FUNC_REVERSE_SUBTRACT)
function->negate_b = true;
to_c_factor(src_factor, invert_src, function);
function->invert_c = invert_src;
function->c = to_c_factor(src_factor);
} else if (dest_factor == BLEND_FACTOR_ZERO && invert_dest) {
function->a = MALI_BLEND_OPERAND_A_DEST;
function->b = MALI_BLEND_OPERAND_B_SRC;
@@ -236,10 +230,12 @@ to_panfrost_function(enum blend_func blend_func,
function->negate_a = true;
else if (blend_func == BLEND_FUNC_REVERSE_SUBTRACT)
function->negate_b = true;
to_c_factor(src_factor, invert_src, function);
function->invert_c = invert_src;
function->c = to_c_factor(src_factor);
} else if (src_factor == dest_factor && invert_src == invert_dest) {
function->a = MALI_BLEND_OPERAND_A_ZERO;
to_c_factor(src_factor, invert_src, function);
function->invert_c = invert_src;
function->c = to_c_factor(src_factor);
switch (blend_func) {
case BLEND_FUNC_ADD:
@@ -258,7 +254,8 @@ to_panfrost_function(enum blend_func blend_func,
assert(src_factor == dest_factor && invert_src != invert_dest);
function->a = MALI_BLEND_OPERAND_A_DEST;
to_c_factor(src_factor, invert_src, function);
function->invert_c = invert_src;
function->c = to_c_factor(src_factor);
switch (blend_func) {
case BLEND_FUNC_ADD: