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-rw-r--r--src/gallium/drivers/panfrost/midgard/nir_lower_framebuffer.c40
1 files changed, 26 insertions, 14 deletions
diff --git a/src/gallium/drivers/panfrost/midgard/nir_lower_framebuffer.c b/src/gallium/drivers/panfrost/midgard/nir_lower_framebuffer.c
index d64292bc29e..fddd8e3f12a 100644
--- a/src/gallium/drivers/panfrost/midgard/nir_lower_framebuffer.c
+++ b/src/gallium/drivers/panfrost/midgard/nir_lower_framebuffer.c
@@ -73,16 +73,20 @@ nir_unorm8_to_float(nir_builder *b, nir_ssa_def *c_native)
}
static nir_ssa_def *
-nir_float_to_native(nir_builder *b,
- nir_ssa_def *c_float,
+nir_shader_to_native(nir_builder *b,
+ nir_ssa_def *c_shader,
const struct util_format_description *desc,
unsigned bits,
bool homogenous_bits)
{
+ bool float_or_pure_int =
+ util_format_is_float(desc->format) ||
+ util_format_is_pure_integer(desc->format);
+
if (util_format_is_unorm8(desc))
- return nir_float_to_unorm8(b, c_float);
- else if (util_format_is_float(desc->format) && homogenous_bits)
- return c_float;
+ return nir_float_to_unorm8(b, c_shader);
+ else if (homogenous_bits && float_or_pure_int)
+ return c_shader; /* type is already correct */
else {
printf("%s\n", desc->name);
unreachable("Unknown format name");
@@ -90,16 +94,20 @@ nir_float_to_native(nir_builder *b,
}
static nir_ssa_def *
-nir_native_to_float(nir_builder *b,
+nir_native_to_shader(nir_builder *b,
nir_ssa_def *c_native,
const struct util_format_description *desc,
unsigned bits,
bool homogenous_bits)
{
+ bool float_or_pure_int =
+ util_format_is_float(desc->format) ||
+ util_format_is_pure_integer(desc->format);
+
if (util_format_is_unorm8(desc))
return nir_unorm8_to_float(b, c_native);
- else if (util_format_is_float(desc->format) && homogenous_bits)
- return c_native;
+ else if (homogenous_bits && float_or_pure_int)
+ return c_native; /* type is already correct */
else {
printf("%s\n", desc->name);
unreachable("Unknown format name");
@@ -159,12 +167,16 @@ nir_lower_framebuffer(nir_shader *shader, enum pipe_format format)
nir_ssa_def *c_nir = nir_ssa_for_src(&b, intr->src[1], 4);
/* Format convert */
- nir_ssa_def *converted = nir_float_to_native(&b, c_nir, format_desc, bits, homogenous_bits);
+ nir_ssa_def *converted = nir_shader_to_native(&b, c_nir, format_desc, bits, homogenous_bits);
- if (raw_bitsize_out == 16)
- converted = nir_f2f16(&b, converted);
- else if (raw_bitsize_out == 32)
- converted = nir_f2f32(&b, converted);
+ if (util_format_is_float(format)) {
+ if (raw_bitsize_out == 16)
+ converted = nir_f2f16(&b, converted);
+ else if (raw_bitsize_out == 32)
+ converted = nir_f2f32(&b, converted);
+ } else {
+ converted = nir_i2i(&b, converted, raw_bitsize_out);
+ }
/* Rewrite to use a native store by creating a new intrinsic */
nir_intrinsic_instr *new =
@@ -195,7 +207,7 @@ nir_lower_framebuffer(nir_shader *shader, enum pipe_format format)
/* Convert the raw value */
nir_ssa_def *raw = &new->dest.ssa;
- nir_ssa_def *converted = nir_native_to_float(&b, raw, format_desc, bits, homogenous_bits);
+ nir_ssa_def *converted = nir_native_to_shader(&b, raw, format_desc, bits, homogenous_bits);
/* Rewrite to use the converted value */
nir_src rewritten = nir_src_for_ssa(converted);