diff options
| -rw-r--r-- | src/glsl/linker.cpp | 3 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 11 |
2 files changed, 13 insertions, 1 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp index 42075cbbe09..a7c38a3426a 100644 --- a/src/glsl/linker.cpp +++ b/src/glsl/linker.cpp @@ -1805,7 +1805,8 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog) * present in a linked program. By checking for use of shading language * version 1.00, we also catch the GL_ARB_ES2_compatibility case. */ - if (ctx->API == API_OPENGLES2 || prog->Version == 100) { + if (!prog->InternalSeparateShader && + (ctx->API == API_OPENGLES2 || prog->Version == 100)) { if (prog->_LinkedShaders[MESA_SHADER_VERTEX] == NULL) { linker_error(prog, "program lacks a vertex shader\n"); } else if (prog->_LinkedShaders[MESA_SHADER_FRAGMENT] == NULL) { diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index a7d1cb2b111..17c645a7ee5 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2135,6 +2135,17 @@ struct gl_shader_program GLint RefCount; /**< Reference count */ GLboolean DeletePending; + /** + * Flags that the linker should not reject the program if it lacks + * a vertex or fragment shader. GLES2 doesn't allow separate + * shader objects, and would reject them. However, we internally + * build separate shader objects for fixed function programs, which + * we use for drivers/common/meta.c and for handling + * _mesa_update_state with no program bound (for example in + * glClear()). + */ + GLboolean InternalSeparateShader; + GLuint NumShaders; /**< number of attached shaders */ struct gl_shader **Shaders; /**< List of attached the shaders */ |