Commit 55376cb3 authored by Marek Olšák's avatar Marek Olšák

st/mesa: expose 0 shader binary formats for compat profiles for Qt

Cc: "18.0" <>
Tested-by: Kai Wasserbäch's avatarKai Wasserbäch <>
parent 8ba3750d
......@@ -468,7 +468,7 @@ st_create_context_priv(struct gl_context *ctx, struct pipe_context *pipe,
? true : false;
/* GL limits and extensions */
st_init_limits(pipe->screen, &ctx->Const, &ctx->Extensions);
st_init_limits(pipe->screen, &ctx->Const, &ctx->Extensions, ctx->API);
st_init_extensions(pipe->screen, &ctx->Const,
&ctx->Extensions, &st->options, ctx->API);
......@@ -75,7 +75,8 @@ static int _clamp(int a, int min, int max)
* Note that we have to limit/clamp against Mesa's internal limits too.
void st_init_limits(struct pipe_screen *screen,
struct gl_constants *c, struct gl_extensions *extensions)
struct gl_constants *c, struct gl_extensions *extensions,
gl_api api)
int supported_irs;
unsigned sh;
......@@ -437,8 +438,14 @@ void st_init_limits(struct pipe_screen *screen,
c->GLSLFrontFacingIsSysVal =
screen->get_param(screen, PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL);
/* GL_ARB_get_program_binary */
if (screen->get_disk_shader_cache && screen->get_disk_shader_cache(screen))
/* GL_ARB_get_program_binary
* The QT framework has a bug in their shader program cache, which is built
* on GL_ARB_get_program_binary. In an effort to allow them to fix the bug
* we don't enable more than 1 binary format for compatibility profiles.
if (api != API_OPENGL_COMPAT &&
screen->get_disk_shader_cache && screen->get_disk_shader_cache(screen))
c->NumProgramBinaryFormats = 1;
c->MaxAtomicBufferBindings =
......@@ -35,7 +35,8 @@ struct pipe_screen;
extern void st_init_limits(struct pipe_screen *screen,
struct gl_constants *c,
struct gl_extensions *extensions);
struct gl_extensions *extensions,
gl_api api);
extern void st_init_extensions(struct pipe_screen *screen,
struct gl_constants *consts,
......@@ -1207,7 +1207,7 @@ get_version(struct pipe_screen *screen,
_mesa_init_constants(&consts, api);
st_init_limits(screen, &consts, &extensions);
st_init_limits(screen, &consts, &extensions, api);
st_init_extensions(screen, &consts, &extensions, options, api);
return _mesa_get_version(&extensions, &consts, api);
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