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radv: add new drirc option radv_enable_mrt_output_nan_fixup

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To replace NaN from FS with zeros to fix game bugs.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5359>
This commit is contained in:
Samuel Pitoiset 2020-06-05 14:24:33 +02:00
parent b33f811068
commit 6f21995f98
5 changed files with 17 additions and 0 deletions
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5
src/amd/vulkan/radv_device.c
View file

@ -590,6 +590,10 @@ radv_handle_per_app_options(struct radv_instance *instance,
instance->debug_flags |= RADV_DEBUG_ZERO_VRAM;
}
}
instance->enable_mrt_output_nan_fixup =
driQueryOptionb(&instance->dri_options,
"radv_enable_mrt_output_nan_fixup");
}
static const char radv_dri_options_xml[] =
@ -599,6 +603,7 @@ DRI_CONF_BEGIN
DRI_CONF_VK_X11_OVERRIDE_MIN_IMAGE_COUNT(0)
DRI_CONF_VK_X11_STRICT_IMAGE_COUNT("false")
DRI_CONF_RADV_REPORT_LLVM9_VERSION_STRING("false")
DRI_CONF_RADV_ENABLE_MRT_OUTPUT_NAN_FIXUP("false")
DRI_CONF_SECTION_END
DRI_CONF_SECTION_DEBUG

5
src/amd/vulkan/radv_private.h
View file

@ -354,6 +354,11 @@ struct radv_instance {
struct driOptionCache dri_options;
struct driOptionCache available_dri_options;
/**
* Workarounds for game bugs.
*/
bool enable_mrt_output_nan_fixup;
};
static inline

1
src/amd/vulkan/radv_shader.c
View file

@ -1116,6 +1116,7 @@ shader_variant_compile(struct radv_device *device,
options->address32_hi = device->physical_device->rad_info.address32_hi;
options->has_ls_vgpr_init_bug = device->physical_device->rad_info.has_ls_vgpr_init_bug;
options->use_ngg_streamout = device->physical_device->use_ngg_streamout;
options->enable_mrt_output_nan_fixup = device->instance->enable_mrt_output_nan_fixup;
struct radv_shader_args args = {};
args.options = options;

1
src/amd/vulkan/radv_shader.h
View file

@ -139,6 +139,7 @@ struct radv_nir_compiler_options {
bool check_ir;
bool has_ls_vgpr_init_bug;
bool use_ngg_streamout;
bool enable_mrt_output_nan_fixup;
enum radeon_family family;
enum chip_class chip_class;
uint32_t tess_offchip_block_dw_size;

5
src/util/xmlpool/t_options.h
View file

@ -430,3 +430,8 @@ DRI_CONF_OPT_END
DRI_CONF_OPT_BEGIN_B(radv_report_llvm9_version_string, def) \
DRI_CONF_DESC(en,gettext("Report LLVM 9.0.1 for games that apply shader workarounds if missing (for ACO only)")) \
DRI_CONF_OPT_END
#define DRI_CONF_RADV_ENABLE_MRT_OUTPUT_NAN_FIXUP(def) \
DRI_CONF_OPT_BEGIN_B(radv_enable_mrt_output_nan_fixup, def) \
DRI_CONF_DESC(en,gettext("Replace NaN outputs from fragment shaders with zeroes for floating point render target")) \
DRI_CONF_OPT_END