On Tue, Nov 8, 2011 at 1:13 AM, Paul Berry <stereotype...@gmail.com> wrote:
> +/**
> + * Update gl_transform_feedback_info to reflect this tfeedback_decl.
> + *
> + * If an error occurs, the error is reported through linker_error() and false
> + * is returned.
> + */
> +bool
> +tfeedback_decl::store(struct gl_shader_program *prog,
> + struct gl_transform_feedback_info *info,
> + unsigned buffer) const
> +{
> + if (!this->is_assigned()) {
> + /* From GL_EXT_transform_feedback:
> + * A program will fail to link if:
> + *
> + * * any variable name specified in the <varyings> array is not
> + * declared as an output in the geometry shader (if present) or
> + * the vertex shader (if no geometry shader is present);
> + */
> + linker_error(prog, "Transform feedback varying %s undeclared.",
> + this->orig_name);
> + return false;
> + }
> + for (unsigned v = 0; v < this->vector_elements; ++v) {
I think the number of iterations should be this->matrix_columns, not
this->vector_elements.
Marek
> + info->Outputs[info->NumOutputs].OutputRegister = this->location + v;
> + info->Outputs[info->NumOutputs].NumComponents = this->vector_elements;
> + info->Outputs[info->NumOutputs].OutputBuffer = buffer;
> + ++info->NumOutputs;
> + }
> + return true;
> +}
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