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authorTapani Pälli <[email protected]>2017-11-24 07:46:07 +0200
committerTapani Pälli <[email protected]>2017-11-30 11:43:10 +0200
commitfaccbaf3faf9a7cdcda3e4032fafd0f6064459bd (patch)
treedff07c0c37ff3198f58ae018f2b04762612d0e3d /src/mesa
parent8c1e4b1afc8d396ccf99c725c59b29a9aa305557 (diff)
mesa: add AllowGLSLCrossStageInterpolationMismatch workaround
This fixes issues seen with certain versions of Unreal Engine 4 editor and games built with that using GLSL 4.30. v2: add driinfo_gallium change (Emil Velikov) Signed-off-by: Tapani Pälli <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97852 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103801 Acked-by: Andres Gomez <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c3
-rw-r--r--src/mesa/drivers/dri/i965/intel_screen.c1
-rw-r--r--src/mesa/main/mtypes.h5
-rw-r--r--src/mesa/state_tracker/st_extensions.c2
4 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index dd55b436698..b62852d90c8 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -816,6 +816,9 @@ brw_process_driconf_options(struct brw_context *brw)
brw->dual_color_blend_by_location =
driQueryOptionb(options, "dual_color_blend_by_location");
+ ctx->Const.AllowGLSLCrossStageInterpolationMismatch =
+ driQueryOptionb(options, "allow_glsl_cross_stage_interpolation_mismatch");
+
ctx->Const.dri_config_options_sha1 = ralloc_array(brw, unsigned char, 20);
driComputeOptionsSha1(&brw->screen->optionCache,
ctx->Const.dri_config_options_sha1);
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index 38769babf0c..db1552c1880 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -81,6 +81,7 @@ DRI_CONF_BEGIN
DRI_CONF_DUAL_COLOR_BLEND_BY_LOCATION("false")
DRI_CONF_ALLOW_GLSL_EXTENSION_DIRECTIVE_MIDSHADER("false")
DRI_CONF_ALLOW_GLSL_BUILTIN_VARIABLE_REDECLARATION("false")
+ DRI_CONF_ALLOW_GLSL_CROSS_STAGE_INTERPOLATION_MISMATCH("false")
DRI_CONF_ALLOW_HIGHER_COMPAT_VERSION("false")
DRI_CONF_FORCE_GLSL_ABS_SQRT("false")
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 96775824ea6..0e8a05359a4 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3718,6 +3718,11 @@ struct gl_constants
GLboolean AllowGLSLBuiltinVariableRedeclaration;
/**
+ * Allow GLSL interpolation qualifier mismatch across shader stages.
+ */
+ GLboolean AllowGLSLCrossStageInterpolationMismatch;
+
+ /**
* Allow creating a higher compat profile (version 3.1+) for apps that
* request it. Be careful when adding that driconf option because some
* features are unimplemented and might not work correctly.
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index de3d1ef4e9b..9ef0df1e926 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -941,6 +941,8 @@ void st_init_extensions(struct pipe_screen *screen,
consts->dri_config_options_sha1 = options->config_options_sha1;
+ consts->AllowGLSLCrossStageInterpolationMismatch = options->allow_glsl_cross_stage_interpolation_mismatch;
+
if (consts->GLSLVersion >= 400)
extensions->ARB_gpu_shader5 = GL_TRUE;
if (consts->GLSLVersion >= 410)