From fa602c208815c3e4d757072cadc00e617e30b933 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Thu, 28 May 2015 19:11:07 +0200 Subject: mesa: add _mesa_has_tessellation Reviewed-by: Kenneth Graunke --- src/mesa/main/context.h | 11 +++++++++++ src/mesa/main/queryobj.c | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-) (limited to 'src/mesa') diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h index 6f3c941016f..7d256b18d47 100644 --- a/src/mesa/main/context.h +++ b/src/mesa/main/context.h @@ -344,6 +344,17 @@ _mesa_has_compute_shaders(const struct gl_context *ctx) } +/** + * Checks if the context supports tessellation. + */ +static inline GLboolean +_mesa_has_tessellation(const struct gl_context *ctx) +{ + return ctx->API == API_OPENGL_CORE && + ctx->Extensions.ARB_tessellation_shader; +} + + #ifdef __cplusplus } #endif diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c index e5c6f9ae31e..98366857f62 100644 --- a/src/mesa/main/queryobj.c +++ b/src/mesa/main/queryobj.c @@ -217,7 +217,7 @@ get_query_binding_point(struct gl_context *ctx, GLenum target, GLuint index) case GL_TESS_CONTROL_SHADER_PATCHES_ARB: case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB: - if (ctx->Extensions.ARB_tessellation_shader) + if (_mesa_has_tessellation(ctx)) return get_pipe_stats_binding_point(ctx, target); else return NULL; -- cgit v1.2.3