Now that we have the is_arb_asm flag we can just skip the initialisation. --- src/compiler/glsl/link_uniforms.cpp | 11 ----------- src/mesa/program/program.c | 21 ++++++++++++++++----- 2 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/src/compiler/glsl/link_uniforms.cpp b/src/compiler/glsl/link_uniforms.cpp index 38b4cb4..3f8d81f 100644 --- a/src/compiler/glsl/link_uniforms.cpp +++ b/src/compiler/glsl/link_uniforms.cpp @@ -1305,17 +1305,6 @@ link_assign_uniform_locations(struct gl_shader_program *prog, if (sh == NULL) continue; - /* Uniforms that lack an initializer in the shader code have an initial - * value of zero. This includes sampler uniforms. - * - * Page 24 (page 30 of the PDF) of the GLSL 1.20 spec says: - * - * "The link time initial value is either the value of the variable's - * initializer, if present, or 0 if no initializer is present. Sampler - * types cannot have initializers." - */ - memset(sh->SamplerUnits, 0, sizeof(sh->SamplerUnits)); - link_update_uniform_buffer_variables(sh, i); /* Reset various per-shader target counts. diff --git a/src/mesa/program/program.c b/src/mesa/program/program.c index fc6dea1..d54f7f8 100644 --- a/src/mesa/program/program.c +++ b/src/mesa/program/program.c @@ -181,8 +181,6 @@ struct gl_program * _mesa_init_gl_program(struct gl_program *prog, GLenum target, GLuint id, bool is_arb_asm) { - GLuint i; - if (!prog) return NULL; @@ -194,9 +192,22 @@ _mesa_init_gl_program(struct gl_program *prog, GLenum target, GLuint id, prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB; prog->is_arb_asm = is_arb_asm; - /* default mapping from samplers to texture units */ - for (i = 0; i < MAX_SAMPLERS; i++) - prog->SamplerUnits[i] = i; + /* Uniforms that lack an initializer in the shader code have an initial + * value of zero. This includes sampler uniforms. + * + * Page 24 (page 30 of the PDF) of the GLSL 1.20 spec says: + * + * "The link time initial value is either the value of the variable's + * initializer, if present, or 0 if no initializer is present. Sampler + * types cannot have initializers." + * + * So we only initialise ARB assembly style programs. + */ + if (is_arb_asm) { + /* default mapping from samplers to texture units */ + for (unsigned i = 0; i < MAX_SAMPLERS; i++) + prog->SamplerUnits[i] = i; + } return prog; } -- 2.7.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev